SECTION 013323 - SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES
PART 1 - GENERAL
1-1. For the purposes of this contract, samples, test reports, certificates, and manufacturers' literature and data shall also be subject to the previously referenced requirements. The following text refers to all items collectively as SUBMITTALS.
1-2. Submit for approval, all of the items specifically mentioned under the separate sections of the specification, with information sufficient to evidence full compliance with contract requirements. Materials, fabricated articles and the like to be installed in permanent work shall equal those of approved submittals. After an item has been approved, no change in brand or make will be permitted unless:
A. Satisfactory written evidence is presented to, and approved by the Owner, that manufacturer cannot make scheduled delivery of approved item or; B. Item delivered has been rejected and substitution of a suitable item is an urgent necessity or; C. Other conditions become apparent which indicates approval of such substitute item to be in best interest of the Owner. 1-3. Forward submittals in sufficient time to permit proper consideration and approval action by Owner. Time submission to assure adequate lead time for procurement of contract - required items. Delays attributable to untimely and rejected submittals will not serve as a basis for extending contract time for completion.
1-4. Submittals will be reviewed for compliance with contract requirements by Engineer, and action thereon will be taken by the Owner.
1-5. The Owner reserves the right to require additional submittals, whether or not particularly mentioned in this contract. If additional submittals beyond those required by the contract are furnished pursuant to request therefore by the Owner, adjustment in contract price and time will be made.
1-6. Schedules called for in specifications and shown on shop drawings shall be submitted for use and information of the Engineer. However, the Contractor shall assume responsibility for coordinating and verifying schedules. The Owner and Engineer assume no responsibility for checking schedules or layout drawings for exact sizes, exact numbers and detailed positioning of items.
SHOP DRAWINGS, PRODUCT DATE, AND SAMPLES 013323 - 1 ESC, INC. PROJECT 15228 1-7. Submittals must be submitted by Contractor only and shipped prepaid. The Owner assumes no responsibility for checking quantities or exact numbers included in such submittals.
A. Submittals will receive consideration only when covered by a transmittal letter signed by Contractor and shall contain the list of items, name of the Project, name of Contractor, contract number, applicable specification paragraph numbers, applicable drawing numbers (and other information required for exact identification of location for each item), manufacturer and brand, ASTM or Federal Specification Number (if any) and such additional information as may be required by specifications for particular item being furnished. In addition, catalogs shall be marked to indicate specific items submitted for approval. B. Submittal drawings (shop, erection or setting drawings) and schedules, required for work of various trades, shall be checked before submission by technically qualified employees of Contractor for accuracy, completeness and compliance with contract requirements. These drawings and schedules shall be stamped and signed by Contractor certifying to such check. 1. For each drawing required, submit one legible photographic paper. 2. Reproducible shall be full size. 3. Each drawing shall have marked thereon, proper descriptive title, including project location, project number, manufacturer's number, reference to contract drawing number, detail Section Number, and Specification Section Number. 4. A space 4-3/4 by 5 inches shall be reserved on each drawing to accommodate approval or disapproval stamp. 5. Submit drawings fully protected for shipment. 6. One reproducible print of approved or disapproved shop drawings will be forwarded to Contractor. 7. When work is directly related and involves more than one trade, shop drawings shall be submitted to Engineer under one cover. 1-8. Samples, shop drawings, test reports, certificates and manufacturers' literature and data, shall be submitted for approval to:
SHOP DRAWINGS, PRODUCT DATE, AND SAMPLES 013323 - 2 ESC, INC. PROJECT 15228 ____ESC, Inc.______
(Engineer)
__1922 N. Broadway Ave. ______
(Address)
___Springfield, MO 65803______
(City, State and Zip Code)
SHOP DRAWINGS, PRODUCT DATE, AND SAMPLES 013323 - 3 ESC, INC. PROJECT 15228
SECTION 033053 - CAST-IN-PLACE CONCRETE
PART 1 - GENERAL 1.1 DESCRIPTION: This section specifies cast-in-place structural concrete and material and mixes for other concrete. 1.2 TOLERANCES: A. ACI 117. B. Slab Finishes: ACI 117, F-number method in accordance with ASTM E1155. 1.3 REGULATORY REQUIREMENTS: A. ACI SP-66 ACI Detailing Manual B. ACI 318 - Building Code Requirements for Reinforced Concrete. 1.4 SUBMITTALS: A. Submit in accordance with Section 013323, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Concrete Mix Design. C. Shop Drawings: Reinforcing steel: Complete shop drawings. D. Manufacturer's Certificates: Air-entraining admixture, chemical admixtures, curing compounds. 1.5 APPLICABLE PUBLICATIONS: A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by basic designation only. B. American Concrete Institute (ACI): 117-10...... Specification for Tolerances for Concrete Construction, Materials and Commentary 211.1-91(R2009) ...... Standard Practice for Proportions for Normal, Heavyweight, and Mass Concrete 211.2-98(R2004) ...... Standard Practice for Selecting Proportions for Structural Lightweight Concrete 301-10...... Specifications for Structural Concrete 305.1-06 ...... Specification for Hot Weather Concreting 306.1-90(R2002) ...... Standard Specification for Cold Weather Concreting SP-66-04 ...... ACI Detailing Manual 318-11...... Building Code Requirements for Structural Concrete and Commentary
CAST-IN-PLACE CONCRETE 033053 - 1 ESC, INC. PROJECT 15228
347-04...... Guide to Formwork for Concrete C. American Society for Testing And Materials (ASTM): A185/A185M-07...... Standard Specification for Steel Welded Wire Reinforcement, Plain, for Concrete Reinforcement A615/A615M-09...... Standard Specification for Deformed and Plain Carbon Steel Bars for Concrete Reinforcement A996/A996M-09...... Standard Specification for Rail Steel and Axle Steel Deformed Bars for Concrete Reinforcement C31/C31M-10...... Standard Practice for Making and Curing Concrete Test Specimens in the Field C33/C33M-11a ...... Standard Specification for Concrete Aggregates C39/C39M-12...... Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens C94/C94M-12...... Standard Specification for Ready Mixed Concrete C143/C143M-10 ...... Standard Test Method for Slump of Hydraulic Cement Concrete C150-11 ...... Standard Specification for Portland Cement C171-07 ...... Standard Specification for Sheet Material for Curing Concrete C172-10 ...... Standard Practice for Sampling Freshly Mixed Concrete C173-10 ...... Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method C192/C192M-07 ...... Standard Practice for Making and Curing Concrete Test Specimens in the Laboratory C231-10 ...... Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method C260-10 ...... Standard Specification for Air-Entraining Admixtures for Concrete C330-09 ...... Standard Specification for Lightweight Aggregates for Structural Concrete C494/C494M-11 ...... Standard Specification for Chemical Admixtures for Concrete C618-12 ...... Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
CAST-IN-PLACE CONCRETE 033053 - 2 ESC, INC. PROJECT 15228
D1751-04(R2008) ...... Standard Specification for Preformed Expansion Joint Fillers for Concrete Paving and Structural Construction (Non-extruding and Resilient Bituminous Types) D4397-10 ...... Standard Specification for Polyethylene Sheeting for Construction, Industrial and Agricultural Applications
E1155-96(2008) ...... Standard Test Method for Determining FF Floor Flatness and FL Floor Levelness Numbers PART 2 - PRODUCTS 2.1 FORMS: Wood, plywood, metal, or other materials, approved by the Engineer, of grade or type suitable to obtain type of finish specified. 2.2 MATERIALS: A. Portland Cement: ASTM C150, Type I or II. B. Fly Ash: ASTM C618, Class C or F including supplementary optional requirements relating to reactive aggregates and alkalis, and loss on ignition (LOI) not to exceed 5 percent. C. Coarse Aggregate: ASTM C33, Size 67. Size 467 may be used for footings and walls over 12 inches thick. Coarse aggregate for applied topping and metal pan stair fill shall be Size 7. D. Fine Aggregate: ASTM C33. E. Lightweight Aggregate for Structural Concrete: ASTM C330, Table 1 F. Mixing Water: Fresh, clean, and potable. G. Air-Entraining Admixture: ASTM C260. H. Chemical Admixtures: ASTM C494. I. Vapor Barrier: ASTM D4397, 10 mil. J. Reinforcing Steel: ASTM A615 or ASTM A996, deformed. See structural drawings for grade. K. Welded Wire Fabric: ASTM A185. L. Expansion Joint Filler: ASTM D1751. M. Sheet Materials for Curing Concrete: ASTM C171. N. Abrasive Aggregates: Aluminum oxide grains or emery grits. O. Liquid Hardener and Dustproofer: Fluosilicate solution or magnesium fluosilicate or zinc fluosilicate. Magnesium and zinc may be used separately or in combination as recommended by manufacturer. P. Liquid Densifier/Sealer: 100 percent active colorless aqueous siliconate solution.
CAST-IN-PLACE CONCRETE 033053 - 3 ESC, INC. PROJECT 15228
Q. Grout, Non-Shrinking: Premixed ferrous or non-ferrous, mixed and applied in accordance with manufacturer's recommendations. Grout shall show no settlement or vertical drying shrinkage at 3 days or thereafter based on initial measurement made at time of placement, and produce a compressive strength of at least 2500 psi at 3 days and 5000 psi at 28 days. 2.3 CONCRETE MIXES: A. Design of concrete mixes using materials specified shall be the responsibility of the Contractor as set forth under Option C of ASTM C94. B. Compressive strength at 28 days shall be not less than 4000 psi. C. Establish strength of concrete by testing prior to beginning concreting operation. Test consists of average of three cylinders made and cured in accordance with ASTM C192 and tested in accordance with ASTM C39. D. Maximum slump for vibrated concrete is 4 inches tested in accordance with ASTM C143. E. Cement and water factor (See Table I):
TABLE I - CEMENT AND WATER FACTORS FOR CONCRETE
Concrete: Strength Non-Air-Entrained Air-Entrained Min. 28 Day Comp. Str. Min. Cement Max. Water Min. Cement Max. Water Cement Ratio MPa (psi) kg/m3 (lbs/c. yd) kg/m3 (lbs/c. Cement Ratio yd) 35 (5000)1,3 375 (630) 0.45 385 (650) 0.40 30 (4000)1,3 325 (550) 0.55 340 (570) 0.50 25 (3000)1,3 280 (470) 0.65 290 (490) 0.55
1,2 25 (3000) 300 (500) * 310 (520) *
1. If trial mixes are used, the proposed mix design shall achieve a compressive strength 1200 psi in excess of f'c. For concrete strengths above 5000 psi, the proposed mix design shall achieve a compressive strength 1400 psi in excess of f’c. 2. Lightweight Structural Concrete. Pump mixes may require higher cement values. 3. For concrete exposed to high sulfate content soils maximum water cement ratio is 0.44. 4. Determined by Laboratory in accordance with ACI 211.1 for normal concrete or ACI 211.2 for lightweight structural concrete.
CAST-IN-PLACE CONCRETE 033053 - 4 ESC, INC. PROJECT 15228
F. Air-entrainment is required for all exterior concrete. Air content shall conform with the following table:
TABLE I - TOTAL AIR CONTENT FOR VARIOUS SIZES OF COARSE AGGREGATES (NORMAL CONCRETE) Nominal Maximum Size of Total Air Content Coarse Aggregate Percentage by Volume 10 mm (3/8 in) 6 to 10 13 mm (1/2 in) 5 to 9 19 mm (3/4 in) 4 to 8 25 mm (1 in) 3 1/2 to 6 1/2 40 mm (1 1/2 in) 3 to 6
2.4 BATCHING & MIXING: A. Store, batch, and mix materials as specified in ASTM C94. 1. Job-Mixed: Concrete mixed at job site shall be mixed in a batch mixer in manner specified for stationary mixers in ASTM C94. 2. Ready-Mixed: Ready-mixed concrete comply with ASTM C94, except use of non-agitating equipment for transporting concrete to the site will not be permitted. With each load of concrete delivered to project, ready-mixed concrete producer shall furnish, in duplicate, certification as required by ASTM C94. 3. Mixing structural lightweight concrete: Charge mixer with 2/3 of total mixing water and all of the aggregate. Mix ingredients for not less than 30 seconds in a stationary mixer or not less than 10 revolutions at mixing speed in a truck mixer. Add remaining mixing water and other ingredients and continue mixing. Above procedure may be modified as recommended by aggregate producer. PART 3 - EXECUTION 3.1 FORMWORK: A. Installation conform to ACI 347. Sufficiently tight to hold concrete without leakage, sufficiently braced to withstand vibration of concrete, and to carry, without appreciable deflection, all dead and live loads to which they may be subjected.
CAST-IN-PLACE CONCRETE 033053 - 5 ESC, INC. PROJECT 15228
B. Treating and Wetting: Treat or wet contact forms as follows: 1. Coat plywood and board forms with non-staining form sealer. In hot weather cool forms by wetting with cool water just before concrete is placed. 2. Clean and coat removable metal forms with light form oil before reinforcement is placed. In hot weather cool metal forms by thoroughly wetting with water just before placing concrete. 3. Use sealer on reused plywood forms as specified for new material. C. Inserts, sleeves, and similar items: Flashing reglets, masonry ties, anchors, inserts, wires, hangers, sleeves, boxes for floor hinges and other items specified as furnished under this and other sections of specifications and required to be in their final position at time concrete is placed shall be properly located, accurately positioned and built into construction, and maintained securely in place. D. Construction Tolerances: 1. Contractor is responsible for setting and maintaining concrete formwork to assure erection of completed work within tolerances specified to accommodate installation or other rough and finish materials. Remedial work necessary for correcting excessive tolerances is the responsibility of the Contractor. Erected work that exceeds specified tolerance limits shall be remedied or removed and replaced, at no additional cost to the Government. 2. Permissible surface irregularities for various classes of materials are defined as "finishes" in specification sections covering individual materials. They are to be distinguished from tolerances specified which are applicable to surface irregularities of structural elements. 3.2 REINFORCEMENT: Details of concrete reinforcement, unless otherwise shown, in accordance with ACI 318 and ACI SP-66. Support and securely tie reinforcing steel to prevent displacement during placing of concrete. 3.3 VAPOR BARRIER: A. Except where membrane waterproofing is required, place interior concrete slabs on a continuous vapor barrier. B. Place 4 inches of fine granular fill over the vapor barrier to act as a blotter for concrete slab. C. Lap joints 6 inches and seal with a compatible pressure-sensitive tape. D. Patch punctures and tears.
CAST-IN-PLACE CONCRETE 033053 - 6 ESC, INC. PROJECT 15228
3.4 PLACING CONCRETE: A. Remove water from excavations before concrete is placed. Remove hardened concrete, debris and other foreign materials from interior of forms, and from inside of mixing and conveying equipment. Obtain approval of the Owner or Engineer before placing concrete. Provide screeds at required elevations for concrete slabs. B. Before placing new concrete on or against concrete which has set, existing surfaces shall be roughened and cleaned free from all laitance, foreign matter, and loose particles. C. Convey concrete from mixer to final place of deposit by method which will prevent segregation or loss of ingredients. Do not deposit in work concrete that has attained its initial set or has contained its water or cement more than 1 1/2 hours. Do not allow concrete to drop freely more than 5 feet in unexposed work nor more than 3 feet in exposed work. Place and consolidate concrete in horizontal layers not exceeding 12 inches in thickness. Consolidate concrete by spading, rodding, and mechanical vibrator. Do not secure vibrator to forms or reinforcement. Vibration shall be carried on continuously with placing of concrete. D. Hot weather placing of concrete: Follow recommendations of ACI 305R to prevent problems in the manufacturing, placing, and curing of concrete that can adversely affect the properties and serviceability of the hardened concrete. E. Cold weather placing of concrete: Follow recommendations of ACI 306R, to prevent freezing of thin sections less than 12 inches and to permit concrete to gain strength properly, except that use of calcium chloride shall not be permitted without written approval from Resident Engineer. 3.5 PROTECTION AND CURING: Protect exposed surfaces of concrete from premature drying, wash by rain or running water, wind, mechanical injury, and excessively hot or cold temperature. Curing method shall be subject to approval by the Engineer. 3.6 FORM REMOVAL: Forms remain in place until concrete has a sufficient strength to carry its own weight and loads supported. Removal of forms at any time is the Contractor's sole responsibility. 3.7 SURFACE PREPARATION: Immediately after forms have been removed and work has been examined and approved by the Owner or Engineer, remove loose materials, and patch all stone pockets, surface honeycomb, or similar deficiencies with cement mortar made with 1 part portland cement and 2 to 3 parts sand.
CAST-IN-PLACE CONCRETE 033053 - 7 ESC, INC. PROJECT 15228
3.8 FINISHES: A. Vertical and Overhead Surface Finishes: 1. Unfinished Areas: Vertical and overhead concrete surfaces exposed in unfinished areas, above suspended ceilings in manholes, and other unfinished areas exposed or concealed will not require additional finishing. 2. Interior and Exterior Exposed Areas (to be painted): Fins, burrs and similar projections on surface shall be knocked off flush by mechanical means approved by the Engineer and rubbed lightly with a fine abrasive stone or hone. Use an ample amount of water during rubbing without working up a lather of mortar or changing texture of concrete. 3. Interior and Exterior Exposed Areas (finished): Finished areas, unless otherwise shown, shall be given a grout finish of uniform color and shall have a smooth finish treated as follows: a. After concrete has hardened and laitance, fins and burrs have been removed, scrub concrete with wire brushes. Clean stained concrete surfaces by use of a hone or stone. b. Apply grout composed of 1 part portland cement and 1 part clean, fine sand (smaller than No. 30 sieve). Work grout into surface of concrete with cork floats or fiber brushes until all pits and honeycomb are filled. c. After grout has hardened, but still plastic, remove surplus grout with a sponge rubber float and by rubbing with clean burlap. d. In hot, dry weather use a fog spray to keep grout wet during setting period. Complete finish for any area in same day. Confine limits of finished areas to natural breaks in wall surface. Do not leave grout on concrete surface overnight. B. Slab Finishes: 1. Scratch Finish: Slab surfaces to receive a bonded applied cementitious application shall all be thoroughly raked or wire broomed after partial setting (within 2 hours after placing) to roughen surface to insure a permanent bond between base slab and applied cementitious materials. 2. Floating: Allow water brought to surface by float used for rough finishing to evaporate before surface is again floated or troweled. Do not sprinkle dry cement on surface to absorb water. 3. Float Finish: Ramps, stair treads, and platforms, both interior and exterior, equipment pads, and slabs to receive non-cementitious materials, except as specified, shall be screened and floated to a smooth dense finish. After first floating, while surface is still soft, surfaces shall be checked for alignment using a straightedge or template. Correct high spots by cutting down with a trowel or similar tool and correct low spots by filling in with material of same
CAST-IN-PLACE CONCRETE 033053 - 8 ESC, INC. PROJECT 15228
composition as floor finish. Remove any surface projections on floated finish by rubbing or dry grinding. Refloat the slab to a uniform sandy texture. 4. Steel Trowel Finish: Applied toppings, concrete surfaces to receive resilient floor covering or carpet, future floor roof and all monolithic concrete floor slabs exposed in finished work and for which no other finish is shown or specified shall be steel troweled. Final steel troweling to secure a smooth, dense surface shall be delayed as long as possible, generally when the surface can no longer be dented with finger. During final troweling, tilt steel trowel at a slight angle and exert heavy pressure on trowel to compact cement paste and form a dense, smooth surface. Finished surface shall be free of trowel marks, uniform in texture and appearance. 5. Broom Finish: Finish all exterior slabs, ramps, and stair treads with a bristle brush moistened with clear water after the surfaces have been floated. 6. Finished slab flatness (FF) and levelness (FL) values comply with the following minimum requirements:
Slab on grade & Shored suspended slabs Unshored suspended slabs
Specified overall value FF 25/FL 20 Specified overall value FF 25
Minimum local value FF 17/FL 15 Minimum local value FF 17
3.9 SURFACE TREATMENTS: A. Surface treatments shall be mixed and applied in accordance with manufacturer's printed instructions. B. Liquid Densifier/Sealer: Use on all exposed concrete floors and concrete floors to receive carpeting except those specified to receive non-slip finish. C. Non-Slip Finish: Except where safety nosing and tread coverings are shown, apply non-slip abrasive aggregate to treads and platforms of all concrete steps and stairs, and to surfaces of exterior concrete ramps and platforms. Aggregate shall be broadcast uniformly over concrete surface. Trowel concrete surface to smooth dense finish. After curing, rub the treated surface with abrasive brick and water sufficiently to slightly expose abrasive aggregate. 3.10 APPLIED TOPPING: A. Separate concrete topping with thickness and strength shown with only enough water to insure a stiff, workable, plastic mix.
CAST-IN-PLACE CONCRETE 033053 - 9 ESC, INC. PROJECT 15228
B. Continuously place applied topping until entire section is complete, struck off with straightedge, compact by rolling or tamping, float and steel trowel to a hard smooth finish. 3.11 RESURFACING FLOORS: Remove existing flooring, in areas to receive resurfacing, to expose existing structural slab and to extend not less than 1 inch below new finished floor level. Prepare exposed structural slab surface by roughening, broom cleaning, wetting, and grouting. Apply topping as specified. 3.12 RETAINING WALLS: A. Concrete for retaining walls shall be as shown and air-entrained. B. Install and construct expansion and contraction joints, waterstops, weep holes, reinforcement and railing sleeves as shown. C. Finish exposed surfaces to match adjacent concrete surfaces, new or existing. D. Porous backfill shall be placed as shown. 3.13 PRECAST CONCRETE ITEMS: Precast concrete items, not specified elsewhere, shall be cast using 3000 psi air-entrained concrete to shapes and dimensions shown. Finish surfaces to match corresponding adjacent concrete surfaces. Reinforce with steel as necessary for safe handling and erection. - - - E N D - - -
CAST-IN-PLACE CONCRETE 033053 - 10 ESC, INC. PROJECT 15228 SECTION 055000 - METAL FABRICATIONS
PART 1 - GENERAL 1.1 DESCRIPTION A. This section specifies items and assemblies fabricated from structural steel shapes and other materials as shown and specified. B. Items specified. 1. Support for Wall and Ceiling Mounted Items: (12, 14A, 14C) 2. Frames: (24E) 3. Guards 4. Covers and Frames for Pits and Trenches. 5. Gratings 6. Loose Lintels 7. Shelf Angles 8. Gas Racks 9. Plate Door Sill 10. Safety Nosings 11. Ladders 12. Railings: (10) 13. Catwalks and Platforms 14. Trap Doors with Ceiling Hatch 15. Sidewalk Access Doors 16. Screened Access Doors 17. Steel Counter or Bench Top Frame and Leg 1.2 SUBMITTALS A. Submit in accordance with Section 013323, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Manufacturer's Literature and Data:
Grating, each type Floor plate Trap door Wheel guards Ceiling hatch Sidewalk Access door Manhole Covers Safety nosing
METAL FABRICATIONS 055000 - 1 ESC, INC. PROJECT 15228 C. Shop Drawings: 1. Each item specified, showing complete detail, location in the project, material and size of components, method of joining various components and assemblies, finish, and location, size and type of anchors. 2. Mark items requiring field assembly for erection identification and furnish erection drawings and instructions. 3. Provide templates and rough-in measurements as required. D. Manufacturer's Certificates: 1. Anodized finish as specified. 2. Live load designs as specified. E. Design Calculations for specified live loads including dead loads. F. Furnish setting drawings and instructions for installation of anchors to be preset into concrete and masonry work, and for the positioning of items having anchors to be built into concrete or masonry construction. 1.3 QUALITY ASSURANCE A. Each manufactured product shall meet, as a minimum, the requirements specified, and shall be a standard commercial product of a manufacturer regularly presently manufacturing items of type specified. B. Each product type shall be the same and be made by the same manufacturer. C. Assembled product to the greatest extent possible before delivery to the site. D. Include additional features, which are not specifically prohibited by this specification, but which are a part of the manufacturer's standard commercial product. 1.4 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. B. American Society of Mechanical Engineers (ASME): B18.6.1-97 ...... Wood Screws B18.2.2-87(R2005) ...... Square and Hex Nuts C. American Society for Testing and Materials (ASTM): A36/A36M-08 ...... Structural Steel A47-99(R2009) ...... Malleable Iron Castings A48-03(R2008) ...... Gray Iron Castings
METAL FABRICATIONS 055000 - 2 ESC, INC. PROJECT 15228 A53-10 ...... Pipe, Steel, Black and Hot-Dipped, Zinc-Coated Welded and Seamless A123-09 ...... Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products A167-99(R2009) ...... Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet and Strip A269-10 ...... Seamless and Welded Austenitic Stainless Steel Tubing for General Service A307-10 ...... Carbon Steel Bolts and Studs, 60,000 PSI Tensile Strength A312/A312M-09 ...... Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes A391/A391M-07 ...... Grade 80 Alloy Steel Chain A653/A653M-10 ...... Steel Sheet, Zinc Coated (Galvanized) or Zinc-Iron Alloy Coated (Galvannealed) by the Hot-Dip Process A786/A786M-09 ...... Rolled Steel Floor Plate B221-08 ...... Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes B456-03(R2009) ...... Electrodeposited Coatings of Copper Plus Nickel Plus Chromium and Nickel Plus Chromium B632-08 ...... Aluminum-Alloy Rolled Tread Plate C1107-08 ...... Packaged Dry, Hydraulic-Cement Grout (Nonshrink) D3656-07 ...... Insect Screening and Louver Cloth Woven from Vinyl-Coated Glass Yarns F436-10 ...... Hardened Steel Washers F468-10 ...... Nonferrous Bolts, Hex Cap Screws, and Studs for General Use F593-02(R2008) ...... Stainless Steel Bolts, Hex Cap Screws, and Studs F1667-11 ...... Driven Fasteners: Nails, Spikes and Staples D. American Welding Society (AWS): D1.1-10 ...... Structural Welding Code Steel D1.2-08 ...... Structural Welding Code Aluminum D1.3-08 ...... Structural Welding Code Sheet Steel E. National Association of Architectural Metal Manufacturers (NAAMM) AMP 521-01 ...... Pipe Railing Manual AMP 500-06 ...... Metal Finishes Manual
METAL FABRICATIONS 055000 - 3 ESC, INC. PROJECT 15228 MBG 531-09 ...... Metal Bar Grating Manual MBG 532-09 ...... Heavy Duty Metal Bar Grating Manual F. Structural Steel Painting Council (SSPC)/Society of Protective Coatings: SP 1-04 ...... No. 1, Solvent Cleaning SP 2-04 ...... No. 2, Hand Tool Cleaning SP 3-04 ...... No. 3, Power Tool Cleaning G. Federal Specifications (Fed. Spec): RR-T-650E ...... Treads, Metallic and Nonmetallic, Nonskid PART 2 - PRODUCTS 2.1 DESIGN CRITERIA A. In addition to the dead loads, design fabrications to support the following live loads unless otherwise specified. B. Ladders and Rungs: 250 pounds at any point. C. Railings and Handrails: 200 pounds in any direction at any point. D. Floor Plates, Gratings, Covers, Trap Doors, Catwalks, and Platforms: 100 pounds per square foot. E. Manhole Covers: 250 pounds per square foot. 2.2 MATERIALS A. Structural Steel: ASTM A36. B. Stainless Steel: ASTM A167, Type 302 or 304. C. Aluminum, Extruded: ASTM B221, Alloy 6063-T5 unless otherwise specified. For structural shapes use alloy 6061-T6 and alloy 6061-T4511. D. Floor Plate: 1. Steel ASTM A786. 2. Aluminum: ASTM B632. E. Steel Pipe: ASTM A53. 1. Galvanized for exterior locations. 2. Type S, Grade A unless specified otherwise. 3. NPS (inside diameter) as shown. F. Cast-Iron: ASTM A48, Class 30, commercial pattern. G. Malleable Iron Castings: A47. H. Primer Paint: As specified in Section 099100, PAINTING. I. Stainless Steel Tubing: ASTM A269, type 302 or 304.
METAL FABRICATIONS 055000 - 4 ESC, INC. PROJECT 15228 J. Modular Channel Units: 1. Factory fabricated, channel shaped, cold formed sheet steel shapes, complete with fittings bolts and nuts required for assembly. 2. Form channel with in turned pyramid shaped clamping ridges on each side. 3. Provide case hardened steel nuts with serrated grooves in the top edges designed to be inserted in the channel at any point and be given a quarter turn so as to engage the channel clamping ridges. Provide each nut with a spring designed to hold the nut in place. 4. Factory finish channels and parts with oven baked primer when exposed to view. Channels fabricated of ASTM A525, G90 galvanized steel may have primer omitted in concealed locations. Finish screws and nuts with zinc coating. 5. Fabricate snap-in closure plates to fit and close exposed channel openings of not more than 0.0125 inch thick stainless steel. K. Grout: ASTM C1107, pourable type. L. Insect Screening: ASTM D3656. 2.3 HARDWARE A. Rough Hardware: 1. Furnish rough hardware with a standard plating, applied after punching, forming and assembly of parts; galvanized, cadmium plated, or zinc-coated by electro-galvanizing process. Galvanized G-90 where specified. 2. Use G90 galvanized coating on ferrous metal for exterior work unless non-ferrous metal or stainless is used. B. Fasteners: 1. Bolts with Nuts: a. ASME B18.2.2. b. ASTM A307 for 415 MPa (60,000 psi) tensile strength bolts. c. ASTM F468 for nonferrous bolts. d. ASTM F593 for stainless steel. 2. Screws: ASME B18.6.1. 3. Washers: ASTM F436, type to suit material and anchorage. 4. Nails: ASTM F1667, Type I, style 6 or 14 for finish work. 2.4 FABRICATION GENERAL A. Material
METAL FABRICATIONS 055000 - 5 ESC, INC. PROJECT 15228 1. Use material as specified. Use material of commercial quality and suitable for intended purpose for material that is not named or its standard of quality not specified. 2. Use material free of defects which could affect the appearance or service ability of the finished product. B. Size: 1. Size and thickness of members as shown. 2. When size and thickness is not specified or shown for an individual part, use size and thickness not less than that used for the same component on similar standard commercial items or in accordance with established shop methods. C. Connections 1. Except as otherwise specified, connections may be made by welding, riveting or bolting. 2. Field riveting will not be approved. 3. Design size, number and placement of fasteners, to develop a joint strength of not less than the design value. 4. Holes, for rivets and bolts: Accurately punched or drilled and burrs removed. 5. Size and shape welds to develop the full design strength of the parts connected by welds and to transmit imposed stresses without permanent deformation or failure when subject to service loadings. 6. Use Rivets and bolts of material selected to prevent corrosion (electrolysis) at bimetallic contacts. Plated or coated material will not be approved. 7. Use stainless steel connectors for removable members machine screws or bolts. D. Fasteners and Anchors 1. Use methods for fastening or anchoring metal fabrications to building construction as shown or specified. 2. Where fasteners and anchors are not shown, design the type, size, location and spacing to resist the loads imposed without deformation of the members or causing failure of the anchor or fastener, and suit the sequence of installation. 3. Use material and finish of the fasteners compatible with the kinds of materials which are fastened together and their location in the finished work. 4. Fasteners for securing metal fabrications to new construction only, may be by use of threaded or wedge type inserts or by anchors for welding to the metal fabrication for installation before the concrete is placed or as masonry is laid.
METAL FABRICATIONS 055000 - 6 ESC, INC. PROJECT 15228 5. Fasteners for securing metal fabrication to existing construction or new construction may be expansion bolts, toggle bolts, power actuated drive pins, welding, self drilling and tapping screws or bolts. E. Workmanship 1. General: a. Fabricate items to design shown. b. Furnish members in longest lengths commercially available within the limits shown and specified. c. Fabricate straight, true, free from warp and twist, and where applicable square and in same plane. d. Provide holes, sinkages and reinforcement shown and required for fasteners and anchorage items. e. Provide openings, cut-outs, and tapped holes for attachment and clearances required for work of other trades. f. Prepare members for the installation and fitting of hardware. g. Cut openings in gratings and floor plates for the passage of ducts, sumps, pipes, conduits and similar items. Provide reinforcement to support cut edges. h. Fabricate surfaces and edges free from sharp edges, burrs and projections which may cause injury. 2. Welding: a. Weld in accordance with AWS. b. Welds shall show good fusion, be free from cracks and porosity and accomplish secure and rigid joints in proper alignment. c. Where exposed in the finished work, continuous weld for the full length of the members joined and have depressed areas filled and protruding welds finished smooth and flush with adjacent surfaces. d. Finish welded joints to match finish of adjacent surface. 3. Joining: a. Miter or butt members at corners. b. Where frames members are butted at corners, cut leg of frame member perpendicular to surface, as required for clearance.
METAL FABRICATIONS 055000 - 7 ESC, INC. PROJECT 15228 4. Anchors: a. Where metal fabrications are shown to be preset in concrete, weld 1-1/4 by 1/8 inch steel strap anchors, 6 inches long with one inch hooked end, to back of member at 2 feet on center, unless otherwise shown. b. Where metal fabrications are shown to be built into masonry use 1-1/4 by 1/8 inch steel strap anchors, 10 inches long with 2 inch hooked end, welded to back of member at 2 feet on center, unless otherwise shown. 5. Cutting and Fitting: a. Accurately cut, machine and fit joints, corners, copes, and miters. b. Fit removable members to be easily removed. c. Design and construct field connections in the most practical place for appearance and ease of installation. d. Fit pieces together as required. e. Fabricate connections for ease of assembly and disassembly without use of special tools. f. Joints firm when assembled. g. Conceal joining, fitting and welding on exposed work as far as practical. h. Do not show rivets and screws prominently on the exposed face. i. The fit of components and the alignment of holes shall eliminate the need to modify component or to use exceptional force in the assembly of item and eliminate the need to use other than common tools.
F. Finish: 1. Finish exposed surfaces in accordance with NAAMM Metal Finishes Manual. 2. Aluminum: NAAMM AMP 501. a. Mill finish, AA-M10, as fabricated, use unless specified otherwise. b. Clear anodic coating, AA-C22A41, chemically etched medium matte, with Architectural Class 1, 0.7 mils or thicker. c. Colored anodic coating, AA-C22A42, chemically etched medium matte with Architectural Class 1, 0.7 mils or thicker. d. Painted: AA-C22R10. 3. Steel and Iron: NAAMM AMP 504. a. Zinc coated (Galvanized): ASTM A123, G90 unless noted otherwise. b. Surfaces exposed in the finished work: 1) Finish smooth rough surfaces and remove projections.
METAL FABRICATIONS 055000 - 8 ESC, INC. PROJECT 15228 2) Fill holes, dents and similar voids and depressions with epoxy type patching compound. c. Shop Prime Painting: 1) Surfaces of Ferrous metal: a) Items not specified to have other coatings. b) Galvanized surfaces specified to have prime paint. c) Remove all loose mill scale, rust, and paint, by hand or power tool cleaning as defined in SSPC-SP2 and SP3. d) Clean of oil, grease, soil and other detrimental matter by use of solvents or cleaning compounds as defined in SSPC-SP1. e) After cleaning and finishing apply one coat of primer as specified in Section 09 91 00, PAINTING. 2) Non ferrous metals: Comply with MAAMM-500 series. 4. Stainless Steel: NAAMM AMP-504 Finish No. 4. G. Protection: 1. Insulate aluminum surfaces that will come in contact with concrete, masonry, plaster, or metals other than stainless steel, zinc or white bronze by giving a coat of heavy-bodied alkali resisting bituminous paint or other approved paint in shop. 2. Spot prime all abraded and damaged areas of zinc coating which expose the bare metal, using zinc rich paint on hot-dip zinc coat items and zinc dust primer on all other zinc coated items. 2.5 SUPPORTS A. General: 1. Fabricate ASTM A36 structural steel shapes as shown. 2. Use clip angles or make provisions for welding hangers and braces to overhead construction. 3. Field connections may be welded or bolted. B. For Ceiling Hung Toilet Stall: 1. Use a continuous steel channel above pilasters with hangers centered over pilasters. 2. Make provision for installation of stud bolts in lower flange of channel. 3. Provide a continuous steel angle at wall and channel braces spaced as shown. 4. Use threaded rod hangers. 5. Provide diagonal angle brace where the suspended ceiling over toilet stalls does not extend to side wall of room. C. For Wall Mounted Items:
METAL FABRICATIONS 055000 - 9 ESC, INC. PROJECT 15228 1. For items supported by metal stud partitions. 2. Steel strip or hat channel minimum of 0.0598 inch thick. 3. Steel strip minimum of 6 inches wide, length extending one stud space beyond end of item supported. 4. Steel hat channels where shown. Flange cut and flatted for anchorage to stud. 5. Structural steel tube or channel for grab bar at water closets floor to structure above with clip angles or end plates formed for anchors. 6. Use steel angles for thru wall counters. Drill angle for fasteners at ends and not over 4 inches on center between ends. D. For Trapeze Bars: 1. Construct assembly above ceilings as shown and design to support not less than a 750 pound working load at any point. 2. Fabricate trapeze supports as shown, with all exposed members, including screws, nuts, bolts and washers, fabricated of stainless steel. 3. Fabricate concealed components of structural steel shapes unless shown otherwise. 4. Stainless steel ceiling plate drilled for eye bolt. 5. Continuously weld connections where welds shown. 6. Use modular channel where shown with manufacturers bolts and fittings. a. Weld ends of steel angle braces to steel plates and secure to modular channel units as shown. Drill plates for anchor bolts. b. Fabricate eye bolt, special clamp bolt, and plate closure full length of modular channel at ceiling line and secure to modular channel unit with manufacturers standard fittings. 2.6 RAILINGS A. In addition to the dead load design railing assembly to support live load specified. B. Fabrication General: 1. Provide continuous welded joints, dressed smooth and flush. 2. Standard flush fittings, designed to be welded, may be used. 3. Exposed threads will not be approved. 4. Form handrail brackets to size and design shown. 5. Exterior Post Anchors. a. Fabricate tube or pipe sleeves with closed ends or plates as shown. b. Where inserts interfere with reinforcing bars, provide flanged fittings welded or threaded to posts for securing to concrete with expansion bolts.
METAL FABRICATIONS 055000 - 10 ESC, INC. PROJECT 15228 c. Provide heavy pattern sliding flange base plate with set screws at base of pipe or tube posts. 6. Interior Post Anchors: a. Provide flanged fittings for securing fixed posts to floor with expansion bolts, unless shown otherwise. b. Weld or thread flanged fitting to posts at base. c. For securing removable posts to floor, provide close fitting sleeve insert or inverted flange base plate with stud bolts or rivets concrete anchor welded to the base plate. d. Provide sliding flange base plate on posts secured with set screws. e. Weld flange base plate to removable posts set in sleeves. C. Handrails: 1. Close free ends of rail with flush metal caps welded in place except where flanges for securing to walls with bolts are shown. 2. Make provisions for attaching handrail brackets to wall, posts, and handrail as shown. D. Steel Pipe Railings: 1. Fabricate of steel pipe with welded joints. 2. Number and space of rails as shown. 3. Space posts for railings not over 6 feet on centers between end posts. 4. Form handrail brackets from malleable iron. 5. Fabricate removable sections with posts at end of section. 6. Removable Rails: a. Provide "U" shape brackets at each end to hold removable rail as shown. Use for top and bottom horizontal rail when rails are joined together with vertical members. b. Secure rail to brackets with 3/8 inch stainless steel through bolts and nuts at top rail only when rails joined with vertical members. c. Continuously weld brackets to post. d. Provide slotted bolt holes in rail bracket. e. Weld bolt heads flush with top of rail. f. Weld flanged fitting to post where posts are installed in sleeves. 7. Opening Guard Rails: a. Fabricate rails with flanged fitting at each end to fit between wall opening jambs. b. Design flange fittings for fastening with machine screws to steel plate anchored to jambs. c. Fabricate rails for floor openings for anchorage in sleeves.
METAL FABRICATIONS 055000 - 11 ESC, INC. PROJECT 15228 8. Gates: a. Fabricate from steel pipe as specified for railings. b. Fabricate gate fittings from either malleable iron or wrought steel. c. Hang each gate on suitable spring hinges of clamp on or through bolted type. Use bronze hinges for exterior gates. d. Provide suitable stops, so that gate will swing as shown. 9. Chains: a. Chains: ASTM A391, Grade 63, straight link style, normal size chain bar 5/16 inch diameter, eight links per foot and with boat type snap hook on one end, and through type eye bolt on other end. b. Fabricate eye bolt for attaching chain to pipe posts, size not less than 3/8 inch diameter. c. Fabricate anchor at walls, for engagement of snap hook of either a 3/8 inch diameter eye bolt or punched angle. d. Galvanize chain and bolts after fabrication. PART 3 - EXECUTION 3.1 INSTALLATION, GENERAL A. Set work accurately, in alignment and where shown, plumb, level, free of rack and twist, and set parallel or perpendicular as required to line and plane of surface. B. Items set into concrete or masonry. 1. Provide temporary bracing for such items until concrete or masonry is set. 2. Place in accordance with setting drawings and instructions. 3. Build strap anchors, into masonry as work progresses. C. Set frames of gratings, covers, corner guards, trap doors and similar items flush with finish floor or wall surface and, where applicable, flush with side of opening. D. Field weld in accordance with AWS. 1. Design and finish as specified for shop welding. 2. Use continuous weld unless specified otherwise. E. Install anchoring devices and fasteners as shown and as necessary for securing metal fabrications to building construction as specified. Power actuated drive pins may be used except for removable items and where members would be deformed or substrate damaged by their use. F. Spot prime all abraded and damaged areas of zinc coating as specified and all abraded and damaged areas of shop prime coat with same kind of paint used for shop priming.
METAL FABRICATIONS 055000 - 12 ESC, INC. PROJECT 15228 G. Isolate aluminum from dissimilar metals and from contact with concrete and masonry materials as required to prevent electrolysis and corrosion. H. Secure escutcheon plate with set screw. 3.2 INSTALLATION OF SUPPORTS A. Anchorage to structure. 1. Secure angles or channels and clips to overhead structural steel by continuous welding unless bolting is shown. 2. Secure supports to concrete inserts by bolting or continuous welding as shown. 3. Secure supports to mid height of concrete beams when inserts do not exist with expansion bolts and to slabs, with expansion bolts, unless shown otherwise. 4. Secure steel plate or hat channels to studs as detailed. 3.3 RAILINGS A. Steel Posts: 1. Secure fixed posts to concrete with expansion bolts through flanged fittings except where sleeves are shown with pourable grout. 2. Install sleeves in concrete formwork. 3. Set post in sleeve and pour grout to surface. Apply beveled bead of urethane sealant at perimeter of post or under flange fitting. 4. Secure removable posts to concrete with either machine screws through flanged fittings which are secured to inverted flanges embedded in and set flush with finished floor, or set posts in close fitting pipe sleeves without grout. 5. Secure sliding flanged fittings to posts at base with set screws. 6. Secure fixed flanged fittings to concrete with expansion bolts. 7. Secure posts to steel with welds. B. Anchor to Walls: 1. Anchor rails to concrete or solid masonry with machine screws through flanged fitting to steel plate. a. Anchor steel plate to concrete or solid masonry with expansion bolts. b. Anchor steel plate to hollow masonry with toggle bolts. 2. Anchor flanged fitting with toggle bolt to steel support in frame walls. C. Removable Rails: 1. Rest rails in brackets at each end and secure to bracket with stainless steel bolts and nuts where part of a continuous railing.
METAL FABRICATIONS 055000 - 13 ESC, INC. PROJECT 15228 2. Rest rail posts in sleeves where not part of a continuous railing. Do not grout posts. D. Gates: 1. Hang gate to swing as shown. 2. Bolt gate hinges to jamb post with clamp on or through bolts. E. Chains: 1. Eye bolt chains to pipe posts. 2. Eye bolt anchoring at walls. a. Expansion bolt to concrete or solid masonry. b. Toggle bolt to hollow masonry of frame wall installed support. F. Handrails: 1. Anchor brackets for metal handrails as detailed. 2. Install brackets within 12 inches of return of walls, and at evenly spaced intermediate points not exceeding 4 feet on centers unless shown otherwise. 3. Expansion bolt to concrete or solid masonry. 4. Toggle bolt to installed supporting frame wall and to hollow masonry unless shown otherwise. 3.4 CLEAN AND ADJUSTING A. Adjust movable parts including hardware to operate as designed without binding or deformation of the members centered in the opening or frame and, where applicable, contact surfaces fit tight and even without forcing or warping the components. B. Clean after installation exposed prefinished and plated items and items fabricated from stainless steel, aluminum and copper alloys, as recommended by the metal manufacture and protected from damage until completion of the project. - - - E N D - - -
METAL FABRICATIONS 055000 - 14 ESC, INC. PROJECT 15228 SECTION 099100 - PAINTING
PART 1 - GENERAL 1.1 DESCRIPTION A. Section specifies field painting. B. Section specifies prime coats which may be applied in shop under other sections. C. Painting includes shellacs, stains, varnishes, coatings specified, and striping or markers and identity markings. 1.2 SUBMITTALS A. Submit in accordance with Section 013323, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Manufacturer's Literature and Data: Before work is started, or sample panels are prepared, submit manufacturer's literature, the current Master Painters Institute (MPI) "Approved Product List" indicating brand label, product name and product code as of the date of contract award, will be used to determine compliance with the submittal requirements of this specification. The Contractor may choose to use subsequent MPI "Approved Product List", however, only one list may be used for the entire contract and each coating system is to be from a single manufacturer. All coats on a particular substrate must be from a single manufacturer. No variation from the MPI "Approved Product List" where applicable is acceptable. C. Sample of identity markers if used. D. Manufacturers' Certificates indicating compliance with specified requirements: 1. Manufacturer's paint substituted for Federal Specification paints meets or exceeds performance of paint specified. 2. High temperature aluminum paint. 3. Epoxy coating. 4. Intumescent clear coating or fire retardant paint. 5. Plastic floor coating. 1.3 DELIVERY AND STORAGE A. Deliver materials to site in manufacturer's sealed container marked to show following: 1. Name of manufacturer. 2. Product type. 3. Batch number. 4. Instructions for use.
PAINTING 099100 - 1 ESC, INC. PROJECT 15228 5. Safety precautions. B. In addition to manufacturer's label, provide a label legibly printed as following: 1. Federal Specification Number, where applicable, and name of material. 2. Surface upon which material is to be applied. 3. If paint or other coating, state coat types; prime, body or finish. C. Maintain space for storage, and handling of painting materials and equipment in a neat and orderly condition to prevent spontaneous combustion from occurring or igniting adjacent items. D. Store materials at site at least 24 hours before using, at a temperature between 65 and 85 degrees F. 1.4 APPLICABLE PUBLICATIONS A. Publications listed below form a part of this specification to the extent referenced. Publications are referenced in the text by basic designation only. B. American Conference of Governmental Industrial Hygienists (ACGIH): ACGIH TLV-BKLT-2012 ...... Threshold Limit Values (TLV) for Chemical Substances and Physical Agents and Biological Exposure Indices (BEIs) ACGIH TLV-DOC-2012 ...... Documentation of Threshold Limit Values and Biological Exposure Indices, (Seventh Edition) C. American National Standards Institute (ANSI): A13.1-07 ...... Scheme for the Identification of Piping Systems D. American Society for Testing and Materials (ASTM): D260-86...... Boiled Linseed Oil E. Commercial Item Description (CID): A-A-1555 ...... Water Paint, Powder (Cementitious, White and Colors) (WPC) (cancelled) A-A-3120 ...... Paint, For Swimming Pools (RF) (cancelled) F. Federal Specifications (Fed Spec): TT-P-1411A ...... Paint, Copolymer-Resin, Cementitious (For Waterproofing Concrete and Masonry Walls) (CEP) G. Master Painters Institute (MPI): No. 1-12 ...... Aluminum Paint (AP) No. 4-12 ...... Interior/ Exterior Latex Block Filler No. 5-12 ...... Exterior Alkyd Wood Primer No. 7-12 ...... Exterior Oil Wood Primer No. 8-12 ...... Exterior Alkyd, Flat MPI Gloss Level 1 (EO)
PAINTING 099100 - 2 ESC, INC. PROJECT 15228 No. 9-12 ...... Exterior Alkyd Enamel MPI Gloss Level 6 (EO) No. 10-12 ...... Exterior Latex, Flat (AE) No. 11-12 ...... Exterior Latex, Semi-Gloss (AE) No. 18-12 ...... Organic Zinc Rich Primer No. 22-12 ...... Aluminum Paint, High Heat (up to 590% - 1100F) (HR) No. 26-12 ...... Cementitious Galvanized Metal Primer No. 27-12 ...... Exterior / Interior Alkyd Floor Enamel, Gloss (FE) No. 31-12 ...... Polyurethane, Moisture Cured, Clear Gloss (PV) No. 36-12 ...... Knot Sealer No. 43-12 ...... Interior Satin Latex, MPI Gloss Level 4 No. 44-12 ...... Interior Low Sheen Latex, MPI Gloss Level 2 No. 45-12 ...... Interior Primer Sealer No. 46-12 ...... Interior Enamel Undercoat No. 47-12 ...... Interior Alkyd, Semi-Gloss, MPI Gloss Level 5 (AK) No. 48-12 ...... Interior Alkyd, Gloss, MPI Gloss Level 6 (AK) No. 49-12 ...... Interior Alkyd, Flat, MPI Gloss Level 1 (AK) No. 50-12 ...... Interior Latex Primer Sealer No. 51-12 ...... Interior Alkyd, Eggshell, MPI Gloss Level 3 No. 52-12 ...... Interior Latex, MPI Gloss Level 3 (LE) No. 53-12 ...... Interior Latex, Flat, MPI Gloss Level 1 (LE) No. 54-12 ...... Interior Latex, Semi-Gloss, MPI Gloss Level 5 (LE) No. 59-12 ...... Interior/Exterior Alkyd Porch & Floor Enamel, Low Gloss (FE) No. 60-12 ...... Interior/Exterior Latex Porch & Floor Paint, Low Gloss No. 66-12 ...... Interior Alkyd Fire Retardant, Clear Top-Coat (ULC Approved) (FC) No. 67-12 ...... Interior Latex Fire Retardant, Top-Coat (ULC Approved) (FR) No. 68-12 ...... Interior/ Exterior Latex Porch & Floor Paint, Gloss No. 71-12 ...... Polyurethane, Moisture Cured, Clear, Flat (PV) No. 74-12 ...... Interior Alkyd Varnish, Semi-Gloss No. 77-12 ...... Epoxy Cold Cured, Gloss (EC) No. 79-12 ...... Marine Alkyd Metal Primer No. 90-12 ...... Interior Wood Stain, Semi-Transparent (WS) No. 91-12 ...... Wood Filler Paste
PAINTING 099100 - 3 ESC, INC. PROJECT 15228 No. 94-12 ...... Exterior Alkyd, Semi-Gloss (EO) No. 95-12 ...... Fast Drying Metal Primer No. 98-12 ...... High Build Epoxy Coating No. 101-12 ...... Epoxy Anti-Corrosive Metal Primer No. 108-12 ...... High Build Epoxy Coating, Low Gloss (EC) No. 114-12 ...... Interior Latex, Gloss (LE) and (LG) No. 119-12 ...... Exterior Latex, High Gloss (acrylic) (AE) No. 135-12 ...... Non-Cementitious Galvanized Primer No. 138-12 ...... Interior High Performance Latex, MPI Gloss Level 2 (LF) No. 139-12 ...... Interior High Performance Latex, MPI Gloss Level 3 (LL) No. 140-12 ...... Interior High Performance Latex, MPI Gloss Level 4 No. 141-12 ...... Interior High Performance Latex (SG) MPI Gloss Level 5 H. Steel Structures Painting Council (SSPC): SSPC SP 1-04 (R2004) ...... Solvent Cleaning SSPC SP 2-04 (R2004) ...... Hand Tool Cleaning SSPC SP 3-04 (R2004) ...... Power Tool Cleaning PART 2 - PRODUCTS 2.1 MATERIALS A. Cementitious Paint (CEP): TT-P-1411A [Paint, Copolymer-Resin, Cementitious (CEP)], Type 1 for exterior use, Type II for interior use. B. Wood Sealer: MPI 31 (gloss) or MPI 71 (flat) thinned with thinner recommended by manufacturer at rate of about one part of thinner to four parts of varnish. C. Plastic Tape: 1. Pigmented vinyl plastic film in colors as specified. 2. Pressure sensitive adhesive back. 3. Widths as shown. D. Identity markers options: 1. Pressure sensitive vinyl markers. 2. Snap-on coil plastic markers. E. Aluminum Paint (AP): MPI 1. F. Interior/Exterior Latex Block Filler: MPI 4. G. Exterior Alkyd Wood Primer: MPI 5. H. Exterior Oil Wood Primer: MPI 7.
PAINTING 099100 - 4 ESC, INC. PROJECT 15228 I. Exterior Alkyd, Flat (EO): MPI 8. J. Exterior Alkyd Enamel (EO): MPI 9. K. Exterior Latex, Flat (AE): MPI 10. L. Exterior Latex, Semi-Gloss (AE): MPI 11. M. Organic Zinc rich Coating (HR): MPI 22. N. High Heat Resistant Coating (HR): MPI 22. O. Cementitious Galvanized Metal Primer: MPI 26. P. Exterior/ interior Alkyd Floor Enamel, Gloss (FE): MPI 27. Q. Knot Sealer: MPI 36. R. Interior Satin Latex: MPI 43. S. Interior Low Sheen Latex: MPI 44. T. Interior Primer Sealer: MPI 45. U. Interior Enamel Undercoat: MPI 47. V. Interior Alkyd, Semi-Gloss (AK): MPI 47. W. Interior Alkyd, Gloss (AK): MPI 49. x. Interior Latex Primer Sealer: MPI 50. Y. Interior Alkyd, Eggshell: MPI 51 Z. Interior Latex, MPI Gloss Level 3 (LE): MPI 52. AA. Interior Latex, Flat, MPI Gloss Level 1 (LE): MPI 53. BB. Interior Latex, Semi-Gloss, MPI Gloss Level 5 (LE): MPI 54. DD. Interior / Exterior Alkyd Porch & Floor Enamel, Low Gloss (FE): MPI 59. EE. Interior/ Exterior Latex Porch & Floor Paint, Low Gloss: MPI 60. FF. Interior Alkyd Fire Retardant, Clear Top-Coat (ULC Approved) (FC): MPI 66. GG. Interior Latex Fire Retardant, Top-Coat (ULC Approved) (FR): MPI 67. HH. Interior/ Exterior Latex Porch & Floor Paint, gloss: MPI 68. II. Epoxy Cold Cured, Gloss (EC): MPI 77. JJ. Marine Alkyd Metal primer: MPI 79. KK. Interior Wood Stain, Semi-Transparent (WS): MPI 90. LL. Wood Filler Paste: MPI 91. MM. Exterior Alkyd, Semi-Gloss (EO): MPI 94. NN. Fast Drying Metal Primer: MPI 95. OO. High Build Epoxy Coating: MPI 98. PP. Epoxy Anti-Corrosive Metal Primer: MPI 101.
PAINTING 099100 - 5 ESC, INC. PROJECT 15228 QQ. High Build Epoxy Marine Coating (EC): MPI 108. RR. Interior latex, Gloss (LE) and (LG): MPI 114. SS. Exterior Latex, High Gloss (acrylic) (AE): MPI 119. TT. Waterborne Galvanized Primer: MPI 134. UU. Non-Cementitious Galvanized Primer: MPI 135. VV. Interior High Performance Latex, MPI Gloss Level 2(LF): MPI 138. WW. Interior High Performance Latex, MPI Gloss Level 3 (LL): MPI 139. XX. Interior High Performance Latex, MPI Gloss Level 4: MPI 140. YY. Interior High Performance Latex (SG), MPI Gloss Level 5: MPI 141. 2.2 PAINT PROPERTIES A. Use ready-mixed (including colors), except two component epoxies, polyurethanes, polyesters, paints having metallic powders packaged separately and paints requiring specified additives. B. Where no requirements are given in the referenced specifications for primers, use primers with pigment and vehicle, compatible with substrate and finish coats specified. 2.3 REGULATORY REQUIREMENTS/QUALITY ASSURANCE A. Paint materials shall conform to the restrictions of the local Environmental and Toxic Control jurisdiction. 1. Volatile Organic Compounds (VOC): VOC content of paint materials shall not exceed 10g/l for interior latex paints/primers and 50g/l for exterior latex paints and primers. 2. Lead-Base Paint: a. Comply with Section 410 of the Lead-Based Paint Poisoning Prevention Act, as amended, and with implementing regulations promulgated by Secretary of Housing and Urban Development. b. Regulations concerning prohibition against use of lead-based paint in federal and federally assisted construction, or rehabilitation of residential structures are set forth in Subpart F, Title 24, Code of Federal Regulations, Department of Housing and Urban Development. 3. Asbestos: Materials shall not contain asbestos. 4. Chromate, Cadmium, Mercury, and Silica: Materials shall not contain zinc-chromate, strontium- chromate, Cadmium, mercury or mercury compounds or free crystalline silica. 5. Human Carcinogens: Materials shall not contain any of the ACGIH-BKLT and ACGHI-DOC confirmed or suspected human carcinogens. 6. Use high performance acrylic paints in place of alkyd paints, where possible.
PAINTING 099100 - 6 ESC, INC. PROJECT 15228 7. VOC content for solvent-based paints shall not exceed 250g/l and shall not be formulated with more than one percent aromatic hydro carbons by weight. PART 3 - EXECUTION 3.1 JOB CONDITIONS A. Safety: Observe required safety regulations and manufacturer's warning and instructions for storage, handling and application of painting materials. 1. Take necessary precautions to protect personnel and property from hazards due to falls, injuries, toxic fumes, fire, explosion, or other harm. 2. Deposit soiled cleaning rags and waste materials in metal containers approved for that purpose. Dispose of such items off the site at end of each days work. B. Atmospheric and Surface Conditions: 1. Do not apply coating when air or substrate conditions are: a. Less than 5 degrees F above dew point. b. Below 50 degrees F or over 95 degrees F, unless specifically pre-approved by the Contracting Officer and the product manufacturer. Under no circumstances shall application conditions exceed manufacturer recommendations. 2. Maintain interior temperatures until paint dries hard. 3. Do no exterior painting when it is windy and dusty. 4. Do not paint in direct sunlight or on surfaces that the sun will soon warm. 5. Apply only on clean, dry and frost free surfaces except as follows: a. Apply water thinned acrylic and cementitious paints to damp (not wet) surfaces where allowed by manufacturer's printed instructions. b. Dampened with a fine mist of water on hot dry days concrete and masonry surfaces to which water thinned acrylic and cementitious paints are applied to prevent excessive suction and to cool surface. 6. Varnishing: a. Apply in clean areas and in still air. b. Before varnishing vacuum and dust area. c. Immediately before varnishing wipe down surfaces with a tack rag. 3.2 SURFACE PREPARATION A. Method of surface preparation is optional, provided results of finish painting produce solid even color and texture specified with no overlays.
PAINTING 099100 - 7 ESC, INC. PROJECT 15228 B. General: 1. Remove prefinished items not to be painted such as lighting fixtures, escutcheon plates, hardware, trim, and similar items for reinstallation after paint is dried. 2. Remove items for reinstallation and complete painting of such items and adjacent areas when item or adjacent surface is not accessible or finish is different. 3. See other sections of specifications for specified surface conditions and prime coat. 4. Clean surfaces for painting with materials and methods compatible with substrate and specified finish. Remove any residue remaining from cleaning agents used. Do not use solvents, acid, or steam on concrete and masonry. C. Wood: 1. Sand to a smooth even surface and then dust off. 2. Sand surfaces showing raised grain smooth between each coat. 3. Wipe surface with a tack rag prior to applying finish. 4. Surface painted with an opaque finish: a. Coat knots, sap and pitch streaks with MPI 36 (Knot Sealer) before applying paint. b. Apply two coats of MPI 36 (Knot Sealer) over large knots. 5. After application of prime or first coat of stain, fill cracks, nail and screw holes, depressions and similar defects with wood filler paste. Sand the surface to make smooth and finish flush with adjacent surface. 6. Before applying finish coat, reapply wood filler paste if required, and sand surface to remove surface blemishes. Finish flush with adjacent surfaces. 7. Fill open grained wood such as oak, walnut, ash and mahogany with MPI 91 (Wood Filler Paste), colored to match wood color. a. Thin filler in accordance with manufacturer's instructions for application. b. Remove excess filler, wipe as clean as possible, dry, and sand as specified. D. Ferrous Metals: 1. Remove oil, grease, soil, drawing and cutting compounds, flux and other detrimental foreign matter in accordance with SSPC-SP 1 (Solvent Cleaning). 2. Remove loose mill scale, rust, and paint, by hand or power tool cleaning, as defined in SSPC-SP 2 (Hand Tool Cleaning) and SSPC-SP 3 (Power Tool Cleaning). Exception: where high temperature aluminum paint is used, prepare surface in accordance with paint manufacturer's instructions.
PAINTING 099100 - 8 ESC, INC. PROJECT 15228 3. Fill dents, holes and similar voids and depressions in flat exposed surfaces of hollow steel doors and frames, access panels, roll-up steel doors and similar items specified to have semi-gloss or gloss finish with TT-F-322D (Filler, Two-Component Type, For Dents, Small Holes and Blow- Holes). Finish flush with adjacent surfaces. a. This includes flat head countersunk screws used for permanent anchors. b. Do not fill screws of item intended for removal such as glazing beads. 4. Spot prime abraded and damaged areas in shop prime coat which expose bare metal with same type of paint used for prime coat. Feather edge of spot prime to produce smooth finish coat. 5. Spot prime abraded and damaged areas which expose bare metal of factory finished items with paint as recommended by manufacturer of item. E. Surfaces Specified Painted: 1. Clean surfaces to remove grease, oil and other deterrents to paint adhesion in accordance with SSPC-SP 1 (Solvent Cleaning). 2. Spot coat abraded and damaged areas of zinc-coating which expose base metal on hot-dip zinc- coated items with MPI 18 (Organic Zinc Rich Coating). Prime or spot prime with MPI 134 (Waterborne Galvanized Primer) or MPI 135 (Non- Cementitious Galvanized Primer) depending on finish coat compatibility. F. Masonry, Concrete, Cement Board, Cement Plaster and Stucco: 1. Clean and remove dust, dirt, oil, grease efflorescence, form release agents, laitance, and other deterrents to paint adhesion. 2. Use emulsion type cleaning agents to remove oil, grease, paint and similar products. Use of solvents, acid, or steam is not permitted. 3. Remove loose mortar in masonry work. 4. Replace mortar and fill open joints, holes, cracks and depressions with new mortar. Finish to match adjacent surfaces. 5. Neutralize Concrete floors to be painted by washing with a solution of 3 pounds of zinc sulfate crystals to 1 gallon of water, allow to dry three days and brush thoroughly free of crystals. 6. Repair broken and spalled concrete edges with concrete patching compound to match adjacent surfaces as specified in CONCRETE Sections. Remove projections to level of adjacent surface by grinding or similar methods. G. Gypsum Plaster and Gypsum Board: 1. Remove efflorescence, loose and chalking plaster or finishing materials. 2. Remove dust, dirt, and other deterrents to paint adhesion.
PAINTING 099100 - 9 ESC, INC. PROJECT 15228 3. Fill holes, cracks, and other depressions with CID-A-A-1272A [Plaster, Gypsum (Spackling Compound) finished flush with adjacent surface, with texture to match texture of adjacent surface. Patch holes over 1-inch in diameter as specified in Section for plaster or gypsum board. 3.3 PAINT PREPARATION A. Thoroughly mix painting materials to ensure uniformity of color, complete dispersion of pigment and uniform composition. B. Do not thin unless necessary for application and when finish paint is used for body and prime coats. Use materials and quantities for thinning as specified in manufacturer's printed instructions. C. Remove paint skins, then strain paint through commercial paint strainer to remove lumps and other particles. D. Mix two component and two-part paint and those requiring additives in such a manner as to uniformly blend as specified in manufacturer's printed instructions unless specified otherwise. E. For tinting required to produce exact shades specified, use color pigment recommended by the paint manufacturer. 3.4 APPLICATION A. Start of surface preparation or painting will be construed as acceptance of the surface as satisfactory for the application of materials. B. Unless otherwise specified, apply paint in three coats; prime, body, and finish. When two coats applied to prime coat are the same, first coat applied over primer is body coat and second coat is finish coat. C. Apply each coat evenly and cover substrate completely. D. Allow not less than 48 hours between application of succeeding coats, except as allowed by manufacturer's printed instructions, and approved by Resident Engineer. E. Finish surfaces to show solid even color, free from runs, lumps, brushmarks, laps, holidays, or other defects. F. Apply by brush, roller or spray, except as otherwise specified. G. Do not spray paint in existing occupied spaces unless approved by Resident Engineer, except in spaces sealed from existing occupied spaces. 1. Apply painting materials specifically required by manufacturer to be applied by spraying. 2. In areas, where paint is applied by spray, mask or enclose with polyethylene, or similar air tight material with edges and seams continuously sealed including items specified in WORK NOT PAINTED, motors, controls, telephone, and electrical equipment, fronts of sterilizes and other recessed equipment and similar prefinished items.
PAINTING 099100 - 10 ESC, INC. PROJECT 15228 I. Do not paint in closed position operable items such as access doors and panels, window sashes, overhead doors, and similar items except overhead roll-up doors and shutters. 3.5 PRIME PAINTING A. After surface preparation prime surfaces before application of body and finish coats, except as otherwise specified. B. Spot prime and apply body coat to damaged and abraded painted surfaces before applying succeeding coats. C. Additional field applied prime coats over shop or factory applied prime coats are not required except for exterior exposed steel apply an additional prime coat. D. Metals except boilers, incinerator stacks, and engine exhaust pipes: 1. Steel and iron: MPI 95 (Fast Drying Metal Primer). 2. Machinery not factory finished: MPI 9 (Exterior Alkyd Enamel (EO)). 3.6 EXTERIOR FINISHES A. Apply following finish coats where specified. B. Steel and Ferrous Metal: 1. Two coats of MPI 9 (Exterior Alkyd Enamel (EO)) on exposed surfaces, except on surfaces over 94 degrees C (200 degrees F). c. Machinery without factory finish except for primer: MPI 94 (Exterior Alkyd, Semi-Gloss (EO)). 3.7 REFINISHING EXISTING PAINTED SURFACES A. Clean, patch and repair existing surfaces as specified under surface preparation. B. Remove and reinstall items as specified under surface preparation. C. Remove existing finishes or apply separation coats to prevent non compatible coatings from having contact. D. Patched or Replaced Areas in Surfaces and Components: Apply spot prime and body coats as specified for new work to repaired areas or replaced components. E. Except where scheduled for complete painting apply finish coat over plane surface to nearest break in plane, such as corner, reveal, or frame. F. Refinish areas as specified for new work to match adjoining work unless specified or scheduled otherwise. G. Coat knots and pitch streaks showing through old finish with MPI 36 (Knot Sealer) before refinishing. H. Sand or dull glossy surfaces prior to painting.
PAINTING 099100 - 11 ESC, INC. PROJECT 15228 I. Sand existing coatings to a feather edge so that transition between new and existing finish will not show in finished work. 3.8 PAINT COLOR A. Color and gloss of finish coats as specified. B. Coat Colors: 1. Color of priming coat: Lighter than body coat. 2. Color of body coat: Lighter than finish coat. 3. Color prime and body coats to not show through the finish coat and to mask surface imperfections or contrasts. C. Painting, Caulking, Closures, and Fillers Adjacent to Casework: 1. Paint to match color of casework where casework has a paint finish. 2. Paint to match color of wall where casework is stainless steel, plastic laminate, or varnished wood. 3.9 MECHANICAL AND ELECTRICAL WORK FIELD PAINTING SCHEDULE A. Field painting of mechanical and electrical consists of cleaning, touching-up abraded shop prime coats, and applying prime, body and finish coats to materials and equipment if not factory finished in space scheduled to be finished. B. Paint after tests have been completed. C. Omit prime coat from factory prime-coated items. D. Finish painting of mechanical and electrical equipment is not required when located in interstitial spaces, above suspended ceilings, in concealed areas such as pipe and electric closets, pipe basements, pipe tunnels, trenches, attics, roof spaces, shafts and furred spaces except on electrical conduit containing feeders 600 volts or more. E. Omit field painting of items specified in paragraph, Building and Structural WORK NOT PAINTED. F. Color: 1. Paint items having no color specified to match surrounding surfaces. 2. Paint colors as specified except for following: a. White ...... Exterior unfinished surfaces of enameled plumbing fixtures. Insulation coverings on breeching and uptake inside boiler house, drums and drum-heads, oil heaters, condensate tanks and condensate piping.
PAINTING 099100 - 12 ESC, INC. PROJECT 15228 b. Gray: ...... Heating, ventilating, air conditioning and refrigeration equipment (except as required to match surrounding surfaces), and water and sewage treatment equipment and sewage ejection equipment. c. Aluminum Color: Ferrous metal on outside of boilers and in connection with boiler settings including supporting doors and door frames and fuel oil burning equipment, and steam generation system (bare piping, fittings, hangers, supports, valves, traps and miscellaneous iron work in contact with pipe). d. Federal Safety Red: Exposed fire protection piping hydrants, post indicators, electrical conducts containing fire alarm control wiring, and fire alarm equipment. e. Federal Safety Orange: Entire lengths of electrical conduits containing feeders 600 volts or more. f. Color to match brickwork sheet metal covering on breeching outside of exterior wall of boiler house. G. Apply paint systems on properly prepared and primed surface as follows: 1. Exterior Locations: a. Apply two coats of MPI 9 (Exterior Alkyd Enamel (EO)) to the following ferrous metal items: Vent and exhaust pipes with temperatures under 94 degrees C (200 degrees F), roof drains, fire hydrants, post indicators, yard hydrants, exposed piping and similar items. 2. Interior Locations: a. Apply two coats of MPI 47 (Interior Alkyd, Semi-Gloss (AK)) to following items: 1) Metal under 200 degrees F of items such as bare piping, fittings, hangers and supports. 2) Equipment and systems such as hinged covers and frames for control cabinets and boxes, cast-iron radiators, electric conduits and panel boards. 3) Heating, ventilating, air conditioning, plumbing equipment, and machinery having shop prime coat and not factory finished. 3.10 BUILDING AND STRUCTURAL WORK FIELD PAINTING A. Painting and finishing of interior and exterior work except as specified under paragraph 3.11. 1. Painting and finishing of new and existing work including colors and gloss of finish selected as specified. 2. Painting of disturbed, damaged and repaired or patched surfaces when entire space is not scheduled for complete repainting or refinishing.
PAINTING 099100 - 13 ESC, INC. PROJECT 15228 3. Painting of ferrous metal and galvanized metal. 4. Painting of wood with fire retardant paint exposed in attics, when used as mechanical equipment space except shingles. 5. Identity painting and safety painting. B. Building and Structural Work not Painted: 1. Prefinished items: a. Casework, doors, elevator entrances and cabs, metal panels, wall covering, and similar items specified factory finished under other sections. b. Factory finished equipment and pre-engineered metal building components such as metal roof and wall panels. 2. Finished surfaces: a. Hardware except ferrous metal. b. Anodized aluminum, stainless steel, chromium plating, copper, and brass, except as otherwise specified. c. Signs, fixtures, and other similar items integrally finished. 3. Concealed surfaces: a. Inside dumbwaiter, elevator and duct shafts, interstitial spaces, pipe basements, crawl spaces, pipe tunnels, above ceilings, attics, except as otherwise specified. b. Inside walls or other spaces behind access doors or panels. c. Surfaces concealed behind permanently installed casework and equipment. 4. Moving and operating parts: a. Shafts, chains, gears, mechanical and electrical operators, linkages, and sprinkler heads, and sensing devices. b. Tracks for overhead or coiling doors, shutters, and grilles. 5. Labels: a. Code required label, such as Underwriters Laboratories Inc., Inchcape Testing Services, Inc., or Factory Mutual Research Corporation. b. Identification plates, instruction plates, performance rating, and nomenclature. 6. Galvanized metal: a. Exterior chain link fence and gates, corrugated metal areaways, and gratings. b. Gas Storage Racks. c. Except where specifically specified to be painted. 7. Metal safety treads and nosings.
PAINTING 099100 - 14 ESC, INC. PROJECT 15228 8. Gaskets. 9. Concrete curbs, gutters, pavements, retaining walls, exterior exposed foundations, walls and interior walls in pipe basements. 10. Face brick. 11. Structural steel encased in concrete, masonry, or other enclosure. 12. Structural steel to receive sprayed-on fire proofing. 13. Ceilings, walls, columns in interstitial spaces. 14. Ceilings, walls, and columns in pipe basements. 15. Wood Shingles. 3.11 IDENTITY PAINTING SCHEDULE A. Identify designated service in accordance with ANSI A13.1, unless specified otherwise, on exposed piping, piping above removable ceilings, piping in accessible pipe spaces, interstitial spaces, and piping behind access panels. 1. Legend may be identified using 2.1 G options or by stencil applications. 2. Apply legends adjacent to changes in direction, on branches, where pipes pass through walls or floors, adjacent to operating accessories such as valves, regulators, strainers and cleanouts a minimum of 40 feet apart on straight runs of piping. Identification next to plumbing fixtures is not required. 3. Locate Legends clearly visible from operating position. 4. Use arrow to indicate direction of flow. 5. Identify pipe contents with sufficient additional details such as temperature, pressure, and contents to identify possible hazard. Insert working pressure shown on drawings where asterisk appears for High, Medium, and Low Pressure designations as follows: a. High Pressure - 414 kPa (60 psig) and above. b. Medium Pressure - 104 to 413 kPa (15 to 59 psig). c. Low Pressure - 103 kPa (14 psig) and below. d. Add Fuel oil grade numbers. 6. Legend name in full or in abbreviated form as follows:
PAINTING 099100 - 15 ESC, INC. PROJECT 15228 COLOR OF COLOR OF COLOR OF LEGEND PIPING EXPOSED PIPING BACKGROUND LETTERS BBREVIATIONS
Blow-off Yellow Black Blow-off Boiler Feedwater Yellow Black Blr Feed A/C Condenser Water Supply Green White A/C Cond Wtr Sup A/C Condenser Water Return Green White A/C Cond Wtr Ret Chilled Water Supply Green White Ch. Wtr Sup Chilled Water Return Green White Ch. Wtr Ret Shop Compressed Air Yellow Black Shop Air Air-Instrument Controls Green White Air-Inst Cont Drain Line Green White Drain Emergency Shower Green White Emg Shower High Pressure Steam Yellow Black H.P. ______* High Pressure Condensate Return Yellow Black H.P. Ret ____* Medium Pressure Steam Yellow Black M. P. Stm ____* Medium Pressure Condensate Return Yellow Black M.P. Ret _____* Low Pressure Steam Yellow Black L.P. Stm _____* Low Pressure Condensate Return Yellow Black L.P. Ret _____* High Temperature Water Supply Yellow Black H. Temp Wtr Sup High Temperature Water Return Yellow Black H. Temp Wtr Ret Hot Water Heating Supply Yellow Black H. W. Htg Sup Hot Water Heating Return Yellow Black H. W. Htg Ret Gravity Condensate Return Yellow Black Gravity Cond Ret Pumped Condensate Return Yellow Black Pumped Cond Ret Vacuum Condensate Return Yellow Black Vac Cond Ret Fuel Oil - Grade Green White Fuel Oil-Grade __* Boiler Water Sampling Yellow Black Sample Chemical Feed Yellow Black Chem Feed Continuous Blow-Down Yellow Black Cont. B D Pumped Condensate Black Pump Cond Pump Recirculating Yellow Black Pump-Recirc. Vent Line Yellow Black Vent Alkali Yellow Black Alk
PAINTING 099100 - 16 ESC, INC. PROJECT 15228 Bleach Yellow Black Bleach Detergent Yellow Black Det Liquid Supply Yellow Black Liq Sup Reuse Water Yellow Black Reuse Wtr Cold Water (Domestic) White Green White C.W. Dom Hot Water (Domestic) Supply White Yellow Black H.W. Dom Return White Yellow Black H.W. Dom Ret Tempered Water White Yellow Black Temp. Wtr Ice Water Supply White Green White Ice Wtr Return White Green White Ice Wtr Ret Reagent Grade Water Green White RG Reverse Osmosis Green White RO Sanitary Waste Green White San Waste Sanitary Vent Green White San Vent Storm Drainage Green White St Drain Pump Drainage Green White Pump Disch Chemical Resistant Pipe Waste Yellow Black Acid Waste Vent Yellow Black Acid Vent Atmospheric Vent Green White ATV Silver Recovery Green White Silver Rec Oral Evacuation Green White Oral Evac Fuel Gas Yellow Black Gas Fire Protection Water Sprinkler Red White Auto Spr Standpipe Red White Stand Sprinkler Red White Drain
B. Fire and Smoke Partitions: 1. Identify partitions above ceilings on both sides of partitions except within shafts in letters not less than 2 1/2 inches high. 2. Stenciled message: "SMOKE BARRIER" or, "FIRE BARRIER" as applicable.
PAINTING 099100 - 17 ESC, INC. PROJECT 15228 3. Locate not more than 20 feet on center on corridor sides of partitions, and with a least one message per room on room side of partition. 4. Use semigloss paint of color that contrasts with color of substrate. C. Identify columns in pipe basements and interstitial space: 1. Apply stenciled number and letters to correspond with grid numbering and lettering shown. 2. Paint numbers and letters 4 inches high, locate 18 inches below overhead structural slab. 3. Apply on four sides of interior columns and on inside face only of exterior wall columns. 4. Color: a. Use black on concrete columns. b. Use white or contrasting color on steel columns. 3.12 PROTECTION CLEAN UP, AND TOUCH-UP A. Protect work from paint droppings and spattering by use of masking, drop cloths, removal of items or by other approved methods. B. Upon completion, clean paint from hardware, glass and other surfaces and items not required to be painted of paint drops or smears. C. Before final inspection, touch-up or refinished in a manner to produce solid even color and finish texture, free from defects in work which was damaged or discolored. - - - E N D - - -
PAINTING 099100 - 18 ESC, INC. PROJECT 15228 SECTION 230511 - COMMON WORK RESULTS FOR HVAC
PART 1 - GENERAL 1.1 DESCRIPTION A. The requirements of this Section apply to all sections of Division 23. B. Definitions: 1. Exposed: Piping, ductwork, and equipment exposed to view in finished rooms. 2. Option or optional: Contractor's choice of an alternate material or method. 1.2 QUALITY ASSURANCE A. Mechanical, electrical and associated systems shall be safe, reliable, efficient, durable, easily and safely operable and maintainable, easily and safely accessible, and in compliance with applicable codes as specified. The systems shall be comprised of high quality institutional-class and industrial-class products of manufacturers that are experienced specialists in the required product lines. All construction firms and personnel shall be experienced and qualified specialists in industrial and institutional construction. B. Products Criteria: 1. Standard Products: Material and equipment shall be the standard products of a manufacturer regularly engaged in the manufacture of the products for at least 3 years (or longer as specified elsewhere). The design, model and size of each item shall have been in satisfactory and efficient operation on at least three installations for approximately three years. However, digital electronics devices, software and systems such as controls, instruments, computer work station, shall be the current generation of technology and basic design that has a proven satisfactory service record of at least three years. See other specification sections for any exceptions and/or additional requirements. 2. All items furnished shall be free from defects that would adversely affect the performance, maintainability and appearance of individual components and overall assembly. 3. Conform to codes and standards as required by the specifications. Conform to local codes, if required by local authorities such as the natural gas supplier, if the local codes are more stringent then those specified. Refer any conflicts to the Resident Engineer. 4. Multiple Units: When two or more units of materials or equipment of the same type or class are required, these units shall be products of one manufacturer. 5. Assembled Units: Manufacturers of equipment assemblies, which use components made by others, assume complete responsibility for the final assembled product.
COMMON WORK RESULTS FOR HVAC 230511 - 1 ESC, INC. PROJECT 15228 6. Nameplates: Nameplate bearing manufacturer's name or identifiable trademark shall be securely affixed in a conspicuous place on equipment, or name or trademark cast integrally with equipment, stamped or otherwise permanently marked on each item of equipment. 7. Asbestos products or equipment or materials containing asbestos shall not be used. C. Equipment Service Organizations: 1. HVAC: Products and systems shall be supported by service organizations that maintain a complete inventory of repair parts and are located within 50 miles to the site. D. HVAC Mechanical Systems Welding: Before any welding is performed, contractor shall submit a certificate certifying that welders comply with the following requirements: 1. Qualify welding processes and operators for piping according to ASME "Boiler and Pressure Vessel Code", Section IX, "Welding and Brazing Qualifications". 2. Comply with provisions of ASME B31 series "Code for Pressure Piping". 3. Certify that each welder has passed American Welding Society (AWS) qualification tests for the welding processes involved, and that certification is current. E. Execution (Installation, Construction) Quality: 1. Apply and install all items in accordance with manufacturer's written instructions. Refer conflicts between the manufacturer's instructions and the contract drawings and specifications to the Resident Engineer for resolution. Provide written hard copies or computer files of manufacturer’s installation instructions to the Resident Engineer at least two weeks prior to commencing installation of any item. Installation of the item will not be allowed to proceed until the recommendations are received. Failure to furnish these recommendations is a cause for rejection of the material. 2. Provide complete layout drawings required by Paragraph, SUBMITTALS. Do not commence construction work on any system until the layout drawings have been approved. F. Upon request by Owner, provide lists of previous installations for selected items of equipment. Include contact persons who will serve as references, with telephone numbers and e-mail addresses. 1.3 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES, and with requirements in the individual specification sections. B. Contractor shall make all necessary field measurements and investigations to assure that the equipment and assemblies will meet contract requirements.
COMMON WORK RESULTS FOR HVAC 230511 - 2 ESC, INC. PROJECT 15228 C. If equipment is submitted which differs in arrangement from that shown, provide drawings that show the rearrangement of all associated systems. Approval will be given only if all features of the equipment and associated systems, including accessibility, are equivalent to that required by the contract. D. Prior to submitting shop drawings for approval, contractor shall certify in writing that manufacturers of all major items of equipment have each reviewed drawings and specifications, and have jointly coordinated and properly integrated their equipment and controls to provide a complete and efficient installation. E. Submittals and shop drawings for interdependent items, containing applicable descriptive information, shall be furnished together and complete in a group. Coordinate and properly integrate materials and equipment in each group to provide a completely compatible and efficient. F. Layout Drawings: 1. Submit complete consolidated and coordinated layout drawings for all new systems, and for existing systems that are in the same areas. 2. The drawings shall include plan views, elevations and sections of all systems and shall be on a scale of not less than 1:32 (3/8-inch equal to one foot). Clearly identify and dimension the proposed locations of the principal items of equipment. The drawings shall clearly show locations and adequate clearance for all equipment, piping, valves, control panels and other items. Show the access means for all items requiring access for operations and maintenance. Provide detailed layout drawings of all piping and duct systems. 3. Do not install equipment foundations, equipment or piping until layout drawings have been approved. 4. In addition, for HVAC systems, provide details of the following: a. Mechanical equipment rooms. b. Hangers, inserts, supports, and bracing. c. Pipe sleeves. d. Duct or equipment penetrations of floors, walls, ceilings, or roofs. G. Manufacturer's Literature and Data: Submit under the pertinent section rather than under this section. 1. Submit belt drive with the driven equipment. Submit selection data for specific drives when requested by the Engineer. 2. Submit electric motor data and variable speed drive data with the driven equipment.
COMMON WORK RESULTS FOR HVAC 230511 - 3 ESC, INC. PROJECT 15228 3. Equipment and materials identification. 4. Fire-stopping materials. 5. Hangers, inserts, supports and bracing. Provide load calculations for variable spring and constant support hangers. 6. Wall, floor, and ceiling plates. H. HVAC Maintenance Data and Operating Instructions: 1. Maintenance and operating manuals. 2. Provide a listing of recommended replacement parts for keeping in stock supply, including sources of supply, for equipment. Include in the listing belts for equipment: Belt manufacturer, model number, size and style, and distinguished whether of multiple belt sets. I. Provide copies of approved HVAC equipment submittals to the Testing, Adjusting and Balancing Subcontractor. 1.4 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. B. Air Conditioning, Heating and Refrigeration Institute (AHRI): 430-2009 ...... Central Station Air-Handling Units C. American National Standard Institute (ANSI): B31.1-2007 ...... Power Piping D. Rubber Manufacturers Association (ANSI/RMA): IP-20-2007 ...... Specifications for Drives Using Classical V-Belts and Sheaves IP-21-2009 ...... Specifications for Drives Using Double-V (Hexagonal) Belts IP-22-2007 ...... Specifications for Drives Using Narrow V-Belts and Sheaves E. Air Movement and Control Association (AMCA): 410-96 ...... Recommended Safety Practices for Air Moving Devices F. American Society of Mechanical Engineers (ASME): Boiler and Pressure Vessel Code (BPVC): Section I-2007 ...... Power Boilers Section IX-2007 ...... Welding and Brazing Qualifications Code for Pressure Piping: B31.1-2007 ...... Power Piping G. American Society for Testing and Materials (ASTM): A36/A36M-08 ...... Standard Specification for Carbon Structural Steel
COMMON WORK RESULTS FOR HVAC 230511 - 4 ESC, INC. PROJECT 15228 A575-96(2007) ...... Standard Specification for Steel Bars, Carbon, Merchant Quality, M-Grades E84-10 ...... Standard Test Method for Surface Burning Characteristics of Building Materials E119-09c ...... Standard Test Methods for Fire Tests of Building Construction and Materials H. Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry, Inc: SP-58-2009 ...... Pipe Hangers and Supports-Materials, Design and Manufacture, Selection, Application, and Installation SP 69-2003 ...... Pipe Hangers and Supports-Selection and Application SP 127-2001 ...... Bracing for Piping Systems, Seismic – Wind – Dynamic, Design, Selection, Application I. National Electrical Manufacturers Association (NEMA): MG-1-2009 ...... Motors and Generators J. National Fire Protection Association (NFPA): 31-06 ...... Standard for Installation of Oil-Burning Equipment 54-09 ...... National Fuel Gas Code 70-08 ...... National Electrical Code 85-07 ...... Boiler and Combustion Systems Hazards Code 90A-09 ...... Standard for the Installation of Air Conditioning and Ventilating Systems 101-09 ...... Life Safety Code 1.5 DELIVERY, STORAGE AND HANDLING A. Protection of Equipment: 1. Equipment and material placed on the job site shall remain in the custody of the Contractor until phased acceptance, whether or not the Owner has reimbursed the Contractor for the equipment and material. The Contractor is solely responsible for the protection of such equipment and material against any damage. 2. Place damaged equipment in first class, new operating condition; or, replace same as determined and directed by the Engineer. Such repair or replacement shall be at no additional cost to the Owner. 3. Protect interiors of new equipment and piping systems against entry of foreign matter. Clean both inside and outside before painting or placing equipment in operation.
COMMON WORK RESULTS FOR HVAC 230511 - 5 ESC, INC. PROJECT 15228 4. Existing equipment and piping being worked on by the Contractor shall be under the custody and responsibility of the Contractor and shall be protected as required for new work. B. Cleanliness of Piping and Equipment Systems: 1. Exercise care in storage and handling of equipment and piping material to be incorporated in the work. Remove debris arising from cutting, threading and welding of piping. 2. Piping systems shall be flushed, blown or pigged as necessary to deliver clean systems. 3. Clean interior of all tanks prior to delivery for beneficial use by the Owner. 4. Boilers shall be left clean following final internal inspection by Owner insurance representative or inspector. 5. Contractor shall be fully responsible for all costs, damage, and delay arising from failure to provide clean systems. 1.6 JOB CONDITIONS – WORK IN EXISTING BUILDING A. Building Operation: Owner employees will be continuously operating and managing all facilities, including temporary facilities, that serve the medical center. B. Maintenance of Service: Schedule all work to permit continuous service as required by the medical center. C. Steam and Condensate Service Interruptions: Limited steam and condensate service interruptions, as required for interconnections of new and existing systems, will be permitted by the Engineer during periods when the demands are not critical to the operation of the medical center. These non-critical periods are limited to between 8 pm and 5 am in the appropriate off- season (if applicable). Provide at least one week advance notice to the Engineer. D. Phasing of Work: Comply with all requirements shown on drawings or specified. E. Building Working Environment: Maintain the architectural and structural integrity of the building and the working environment at all times. Maintain the interior of building at 18 degrees C (65 degrees F) minimum. Limit the opening of doors, windows or other access openings to brief periods as necessary for rigging purposes. No storm water or ground water leakage permitted. Provide daily clean-up of construction and demolition debris on all floor surfaces and on all equipment being operated by VA. F. Acceptance of Work for Owner Operation: As new facilities are made available for operation and these facilities are of beneficial use to the Owner, inspections will be made and tests will be performed. Based on the inspections, a list of contract deficiencies will be issued to the Contractor. After correction of deficiencies as necessary for beneficial use, the Contracting
COMMON WORK RESULTS FOR HVAC 230511 - 6 ESC, INC. PROJECT 15228 Officer will process necessary acceptance and the equipment will then be under the control and operation of Owner personnel. PART 2 - PRODUCTS 2.1 FACTORY-ASSEMBLED PRODUCTS A. Provide maximum standardization of components to reduce spare part requirements. B. Manufacturers of equipment assemblies that include components made by others shall assume complete responsibility for final assembled unit. 1. All components of an assembled unit need not be products of same manufacturer. 2. Constituent parts that are alike shall be products of a single manufacturer. 3. Components shall be compatible with each other and with the total assembly for intended service. 4. Contractor shall guarantee performance of assemblies of components, and shall repair or replace elements of the assemblies as required to deliver specified performance of the complete assembly. C. Components of equipment shall bear manufacturer's name and trademark, model number, serial number and performance data on a name plate securely affixed in a conspicuous place, or cast integral with, stamped or otherwise permanently marked upon the components of the equipment. D. Major items of equipment, which serve the same function, must be the same make and model. Exceptions will be permitted if performance requirements cannot be met. 2.2 COMPATIBILITY OF RELATED EQUIPMENT Equipment and materials installed shall be compatible in all respects with other items being furnished and with existing items so that the result will be a complete and fully operational plant that conforms to contract requirements. 2.3 LIFTING ATTACHMENTS Provide equipment with suitable lifting attachments to enable equipment to be lifted in its normal position. Lifting attachments shall withstand any handling conditions that might be encountered, without bending or distortion of shape, such as rapid lowering and braking of load. 2.4 HVAC PIPE AND EQUIPMENT SUPPORTS AND RESTRAINTS A. Supports for Roof Mounted Items: 1. Equipment: Equipment rails shall be galvanized steel, minimum 18 gauge, with integral baseplate, continuous welded corner seams, factory installed 2 by 4 treated wood nailer, 18 gauge galvanized steel counter flashing cap with screws, built-in cant strip, (except for
COMMON WORK RESULTS FOR HVAC 230511 - 7 ESC, INC. PROJECT 15228 gypsum or tectum deck), minimum height 11 inches. For surface insulated roof deck, provide raised cant strip to start at the upper surface of the insulation. 2. Pipe/duct pedestals: Provide a galvanized Unistrut channel welded to U-shaped mounting brackets which are secured to side of rail with galvanized lag bolts. B. Pipe Supports: Comply with MSS SP-58. Type Numbers specified refer to this standard. For selection and application comply with MSS SP-69. Refer to Section 05 50 00, METAL FABRICATIONS, for miscellaneous metal support materials and prime coat painting requirements. C. Attachment to Concrete Building Construction: 1. Concrete insert: MSS SP-58, Type 18. 2. Self-drilling expansion shields and machine bolt expansion anchors: Permitted in concrete not less than four inches thick when approved by the Engineer for each job condition. 3. Power-driven fasteners: Permitted in existing concrete or masonry not less than four inches thick when approved by the Engineer for each job condition. D. Attachment to Steel Building Construction: 1. Welded attachment: MSS SP-58, Type 22. 2. Beam clamps: MSS SP-58, Types 20, 21, 28 or 29. Type 23 C-clamp may be used for individual copper tubing up to 7/8-inch outside diameter. E. Hanger Rods: Hot-rolled steel, ASTM A36 or A575 for allowable load listed in MSS SP-58. For piping, provide adjustment means for controlling level or slope. Types 13 or 15 turn-buckles shall provide 1-1/2 inches minimum of adjustment and incorporate locknuts. All-thread rods are acceptable. F. Hangers Supporting Multiple Pipes (Trapeze Hangers): Galvanized, cold formed, lipped steel channel horizontal member, not less than 1-5/8 inches by 1-5/8 inches, No. 12 gage, designed to accept special spring held, hardened steel nuts. Not permitted for steam supply and condensate piping. 1. Allowable hanger load: Manufacturers rating less 200 pounds. 2. Guide individual pipes on the horizontal member of every other trapeze hanger with 1/4-inch U-bolt fabricated from steel rod. Provide Type 40 insulation shield, secured by two 1/2-inch galvanized steel bands, or preinsulated calcium silicate shield for insulated piping at each hanger.
COMMON WORK RESULTS FOR HVAC 230511 - 8 ESC, INC. PROJECT 15228 G. Supports for Piping Systems: 1. Select hangers sized to encircle insulation on insulated piping. To protect insulation, provide Type 39 saddles for roller type supports or preinsulated calcium silicate shields. Provide Type 40 insulation shield or preinsulated calcium silicate shield at all other types of supports and hangers including those for preinsulated piping. 2. Piping Systems except High and Medium Pressure Steam (MSS SP-58): a. Standard clevis hanger: Type 1; provide locknut. b. Riser clamps: Type 8. c. Wall brackets: Types 31, 32 or 33. d. Roller supports: Type 41, 43, 44 and 46. e. Saddle support: Type 36, 37 or 38. f. Turnbuckle: Types 13 or 15. Preinsulate. g. U-bolt clamp: Type 24. h. Copper Tube: 1) Hangers, clamps and other support material in contact with tubing shall be painted with copper colored epoxy paint, plastic coated or taped with non adhesive isolation tape to prevent electrolysis. 2) For vertical runs use epoxy painted or plastic coated riser clamps. 3) For supporting tube to strut: Provide epoxy painted pipe straps for copper tube or plastic inserted vibration isolation clamps. 4) Insulated Lines: Provide pre-insulated calcium silicate shields sized for copper tube. i. Supports for plastic or glass piping: As recommended by the pipe manufacturer with black rubber tape extending one inch beyond steel support or clamp. 3. High and Medium Pressure Steam (MSS SP-58): a. Provide eye rod or Type 17 eye nut near the upper attachment. b. Piping 2 inches and larger: Type 43 roller hanger. For roller hangers requiring seismic bracing provide a Type 1 clevis hanger with Type 41 roller attached by flat side bars. c. Piping with Vertical Expansion and Contraction: 1) Movement up to 3/4-inch: Type 51 or 52 variable spring unit with integral turn buckle and load indicator. 2) Movement more than 3/4-inch: Type 54 or 55 constant support unit with integral adjusting nut, turn buckle and travel position indicator.
COMMON WORK RESULTS FOR HVAC 230511 - 9 ESC, INC. PROJECT 15228 4. Convertor and Expansion Tank Hangers: May be Type 1 sized for the shell diameter. Insulation where required will cover the hangers. 2.5 PIPE PENETRATIONS A. Install sleeves during construction for other than blocked out floor openings for risers in mechanical bays. B. To prevent accidental liquid spills from passing to a lower level, provide the following: 1. For sleeves: Extend sleeve one inch above finished floor and provide sealant for watertight joint. 2. For blocked out floor openings: Provide 1-1/2 inch angle set in silicone adhesive around opening. 3. For drilled penetrations: Provide 1-1/2 inch angle ring or square set in silicone adhesive around penetration. C. Penetrations are not allowed through beams or ribs. Any deviation from these requirements must receive prior approval of Resident Engineer. D. Sheet Metal, Plastic, or Moisture-resistant Fiber Sleeves: Provide for pipe passing through floors, interior walls, and partitions, unless brass or steel pipe sleeves are specifically called for below. E. Cast Iron or Zinc Coated Pipe Sleeves: Provide for pipe passing through exterior walls below grade. Make space between sleeve and pipe watertight with a modular or link rubber seal. Seal shall be applied at both ends of sleeve. F. Galvanized Steel or an alternate Black Iron Pipe with asphalt coating Sleeves: Provide for pipe passing through concrete beam flanges, except where brass pipe sleeves are called for. Provide sleeve for pipe passing through floor of mechanical rooms, laundry work rooms, and animal rooms above basement. Except in mechanical rooms, connect sleeve with floor plate. G. Brass Pipe Sleeves: Provide for pipe passing through quarry tile, terrazzo or ceramic tile floors. Connect sleeve with floor plate. H. Sleeves are not required for wall hydrants for fire department connections or in drywall construction. I. Sleeve Clearance: Sleeve through floors, walls, partitions, and beam flanges shall be one inch greater in diameter than external diameter of pipe. Sleeve for pipe with insulation shall be large enough to accommodate the insulation. Interior openings shall be caulked tight with fire stopping material and sealant to prevent the spread of fire, smoke, and gases.
COMMON WORK RESULTS FOR HVAC 230511 - 10 ESC, INC. PROJECT 15228 2.6 SPECIAL TOOLS AND LUBRICANTS A. Furnish, and turn over to the Owner, tools not readily available commercially, that are required for disassembly or adjustment of equipment and machinery furnished. B. Grease Guns with Attachments for Applicable Fittings: One for each type of grease required for each motor or other equipment. C. Refrigerant Tools: Provide system charging/Evacuation equipment, gauges, fittings, and tools required for maintenance of furnished equipment. D. Tool Containers: Hardwood or metal, permanently identified for in tended service and mounted, or located, where directed by the Owner. E. Lubricants: A minimum of one quart of oil, and one pound of grease, of equipment manufacturer's recommended grade and type, in unopened containers and properly identified as to use for each different application. 2.7 WALL, FLOOR AND CEILING PLATES A. Material and Type: Chrome plated brass or chrome plated steel, one piece or split type with concealed hinge, with set screw for fastening to pipe, or sleeve. Use plates that fit tight around pipes, cover openings around pipes and cover the entire pipe sleeve projection. B. Thickness: Not less than 3/32-inch for floor plates. For wall and ceiling plates, not less than 0.025-inch for up to 3-inch pipe, 0.035-inch for larger pipe. C. Locations: Use where pipe penetrates floors, walls and ceilings in exposed locations, in finished areas only. Provide a watertight joint in spaces where brass or steel pipe sleeves are specified. 2.8 ASBESTOS Materials containing asbestos are not permitted. PART 3 - EXECUTION 3.1 ARRANGEMENT AND INSTALLATION OF EQUIPMENT AND PIPING A. Coordinate location of piping, sleeves, inserts, hangers, ductwork and equipment. Locate piping, sleeves, inserts, hangers, ductwork and equipment clear of windows, doors, openings, light outlets, and other services and utilities. Prepare equipment layout drawings to coordinate proper location and personnel access of all facilities. Submit the drawings for review as required by Part 1. Follow manufacturer's published recommendations for installation methods not otherwise specified. B. Operating Personnel Access and Observation Provisions: Select and arrange all equipment and systems to provide clear view and easy access, without use of portable ladders, for maintenance and operation of all devices including, but not limited to: all equipment items, valves, filters,
COMMON WORK RESULTS FOR HVAC 230511 - 11 ESC, INC. PROJECT 15228 strainers, transmitters, sensors, control devices. All gauges and indicators shall be clearly visible by personnel standing on the floor or on permanent platforms. Do not reduce or change maintenance and operating space and access provisions that are shown on the drawings. C. Equipment and Piping Support: Coordinate structural systems necessary for pipe and equipment support with pipe and equipment locations to permit proper installation. D. Location of pipe sleeves, trenches and chases shall be accurately coordinated with equipment and piping locations. E. Cutting Holes: 1. Cut holes through concrete and masonry by rotary core drill. Pneumatic hammer, impact electric, and hand or manual hammer type drill will not be allowed, except as permitted by the Engineer where working area space is limited. 2. Locate holes to avoid interference with structural members such as beams or grade beams. Holes shall be laid out in advance and drilling done only after approval by the Engineer. If the Contractor considers it necessary to drill through structural members, this matter shall be referred to the Engineer for approval. 3. Do not penetrate membrane waterproofing. F. Interconnection of Instrumentation or Control Devices: Generally, electrical and pneumatic interconnections are not shown but must be provided. G. Minor Piping: Generally, small diameter pipe runs from drips and drains, water cooling, and other service are not shown but must be provided. H. Protection and Cleaning: 1. Equipment and materials shall be carefully handled, properly stored, and adequately protected to prevent damage before and during installation, in accordance with the manufacturer's recommendations and as approved by the Engineer. Damaged or defective items in the opinion of the Engineer shall be replaced. 2. Protect all finished parts of equipment, such as shafts and bearings where accessible, from rust prior to operation by means of protective grease coating and wrapping. Close pipe openings with caps or plugs during installation. Tightly cover and protect fixtures and equipment against dirt, water chemical, or mechanical injury. At completion of all work thoroughly clean fixtures, exposed materials and equipment. I. Concrete and Grout: Use concrete and shrink compensating grout 3000 psi minimum. J. Install gages, thermometers, valves and other devices with due regard for ease in reading or operating and maintaining said devices. Locate and position thermometers and gages to be easily
COMMON WORK RESULTS FOR HVAC 230511 - 12 ESC, INC. PROJECT 15228 read by operator or staff standing on floor or walkway provided. Servicing shall not require dismantling adjacent equipment or pipe work. K. Install steam piping expansion joints as per manufacturer’s recommendations. L. Switchgear/Electrical Equipment Drip Protection: Every effort shall be made to eliminate the installation of pipe above electrical and telephone switchgear. If this is not possible, encase pipe in a second pipe with a minimum of joints. Installation of piping, ductwork, leak protection apparatus or other installations foreign to the electrical installation shall be located in the space equal to the width and depth of the equipment and extending from to a height of 6 ft. above the equipment of to ceiling structure, whichever is lower (NFPA 70). M. Inaccessible Equipment: 1. Where the Owner determines that the Contractor has installed equipment not conveniently accessible for operation and maintenance, equipment shall be removed and reinstalled or remedial action performed as directed at no additional cost to the Owner. 2. The term "conveniently accessible" is defined as capable of being reached without the use of ladders, or without climbing or crawling under or over obstacles such as motors, fans, pumps, belt guards, transformers, high voltage lines, piping, and ductwork. 3.2 TEMPORARY PIPING AND EQUIPMENT A. Continuity of operation of existing facilities will generally require temporary installation or relocation of equipment and piping. B. The Contractor shall provide all required facilities in accordance with the requirements of phased construction and maintenance of service. All piping and equipment shall be properly supported, sloped to drain, operate without excessive stress, and shall be insulated where injury can occur to personnel by contact with operating facilities. The requirements of Paragraph 3.1 apply. C. Temporary facilities and piping shall be completely removed and any openings in structures sealed. Provide necessary blind flanges and caps to seal open piping remaining in service. 3.3 RIGGING A. Design is based on application of available equipment. Openings in building structures are planned to accommodate design scheme. B. Alternative methods of equipment delivery may be offered by Contractor and will be considered by Owner under specified restrictions of phasing and maintenance of service as well as structural integrity of the building. C. Close all openings in the building when not required for rigging operations to maintain proper environment in the facility for Owner operation and maintenance of service.
COMMON WORK RESULTS FOR HVAC 230511 - 13 ESC, INC. PROJECT 15228 D. Contractor shall provide all facilities required to deliver specified equipment and place on foundations. Attachments to structures for rigging purposes and support of equipment on structures shall be Contractor's full responsibility. Upon request, the Owner will check structure adequacy and advise Contractor of recommended restrictions. E. Contractor shall check all clearances, weight limitations and shall offer a rigging plan designed by a Registered Professional Engineer. All modifications to structures, including reinforcement thereof, shall be at Contractor's cost, time and responsibility. F. Rigging plan and methods shall be referred to the Engineer for evaluation prior to actual work. G. Restore building to original condition upon completion of rigging work. 3.4 PIPE AND EQUIPMENT SUPPORTS A. Where hanger spacing does not correspond with joist or rib spacing, use structural steel channels secured directly to joist and rib structure that will correspond to the required hanger spacing, and then suspend the equipment and piping from the channels. Drill or burn holes in structural steel only with the prior approval of the Engineer. B. Use of chain, wire or strap hangers; wood for blocking, stays and bracing; or, hangers suspended from piping above will not be permitted. Replace or thoroughly clean rusty products and paint with zinc primer. C. Use hanger rods that are straight and vertical. Turnbuckles for vertical adjustments may be omitted where limited space prevents use. Provide a minimum of 1/2-inch clearance between pipe or piping covering and adjacent work. D. HVAC Horizontal Pipe Support Spacing: Refer to MSS SP-69. Provide additional supports at valves, strainers, in-line pumps and other heavy components. Provide a support within one foot of each elbow. E. HVAC Vertical Pipe Supports: 1. Up to 6-inch pipe, 30 feet long, bolt riser clamps to the pipe below couplings, or welded to the pipe and rests supports securely on the building structure. 2. Vertical pipe larger than the foregoing, support on base elbows or tees, or substantial pipe legs extending to the building structure. F. Overhead Supports: 1. The basic structural system of the building is designed to sustain the loads imposed by equipment and piping to be supported overhead.
COMMON WORK RESULTS FOR HVAC 230511 - 14 ESC, INC. PROJECT 15228 2. Provide steel structural members, in addition to those shown, of adequate capability to support the imposed loads, located in accordance with the final approved layout of equipment and piping. 3. Tubing and capillary systems shall be supported in channel troughs. G. Floor Supports: 1. Provide concrete bases, concrete anchor blocks and pedestals, and structural steel systems for support of equipment and piping. Anchor and dowel concrete bases and structural systems to resist forces under operating and seismic conditions (if applicable) without excessive displacement or structural failure. 2. Do not locate or install bases and supports until equipment mounted thereon has been approved. Size bases to match equipment mounted thereon plus 2 inch excess on all edges. Boiler foundations shall have horizontal dimensions that exceed boiler base frame dimensions by at least 6 inches on all sides. Refer to structural drawings. Bases shall be neatly finished and smoothed, shall have chamfered edges at the top, and shall be suitable for painting. 3. All equipment shall be shimmed, leveled, firmly anchored, and grouted with epoxy grout. Anchor bolts shall be placed in sleeves, anchored to the bases. Fill the annular space between sleeves and bolts with a granular material to permit alignment and realignment. 3.5 MECHANICAL DEMOLITION A. Rigging access, other than indicated on the drawings, shall be provided by the Contractor after approval for structural integrity by the Resident Engineer. Such access shall be provided without additional cost or time to the Owner. Where work is in an operating plant, provide approved protection from dust and debris at all times for the safety of plant personnel and maintenance of plant operation and environment of the plant. B. In an operating facility, maintain the operation, cleanliness and safety. Owner personnel will be carrying on their normal duties of operating, cleaning and maintaining equipment and plant operation. Confine the work to the immediate area concerned; maintain cleanliness and wet down demolished materials to eliminate dust. Do not permit debris to accumulate in the area to the detriment of plant operation. Perform all flame cutting to maintain the fire safety integrity of this plant. Adequate fire extinguishing facilities shall be available at all times. Perform all work in accordance with recognized fire protection standards. Inspection will be made by the Owner and Contractor shall follow all directives of the Owner with regard to rigging, safety, fire safety, and maintenance of operations.
COMMON WORK RESULTS FOR HVAC 230511 - 15 ESC, INC. PROJECT 15228 C. Completely remove all piping, wiring, conduit, and other devices associated with the equipment not to be re-used in the new work. This includes all pipe, valves, fittings, insulation, and all hangers including the top connection and any fastenings to building structural systems. Seal all openings, after removal of equipment, pipes, ducts, and other penetrations in roof, walls, floors, in an approved manner and in accordance with plans and specifications where specifically covered. Structural integrity of the building system shall be maintained. Reference shall also be made to the drawings and specifications of the other disciplines in the project for additional facilities to be demolished or handled. D. All valves including gate, globe, ball, butterfly and check, all pressure gages and thermometers with wells shall remain Owner property and shall be removed and delivered to the Owner and stored as directed. The Contractor shall remove all other material and equipment, devices and demolition debris under these plans and specifications. Such material shall be removed from Owner property expeditiously and shall not be allowed to accumulate. 3.6 CLEANING AND PAINTING A. Prior to final inspection and acceptance of the plant and facilities for beneficial use by the Owner, the plant facilities, equipment and systems shall be thoroughly cleaned and painted. Refer to Section 09 91 00, PAINTING. B. In addition, the following special conditions apply: 1. Cleaning shall be thorough. Use solvents, cleaning materials and methods recommended by the manufacturers for the specific tasks. Remove all rust prior to painting and from surfaces to remain unpainted. Repair scratches, scuffs, and abrasions prior to applying prime and finish coats. 2. Material And Equipment Not To Be Painted Includes: a. Motors, controllers, control switches, and safety switches. b. Control and interlock devices. c. Regulators. d. Pressure reducing valves. e. Control valves and thermostatic elements. f. Lubrication devices and grease fittings. g. Copper, brass, aluminum, stainless steel and bronze surfaces. h. Valve stems and rotating shafts. i. Pressure gauges and thermometers. j. Glass.
COMMON WORK RESULTS FOR HVAC 230511 - 16 ESC, INC. PROJECT 15228 k. Name plates. 3. Control and instrument panels shall be cleaned, damaged surfaces repaired, and shall be touched-up with matching paint obtained from panel manufacturer. 4. Pumps, motors, steel and cast iron bases, and coupling guards shall be cleaned, and shall be touched-up with the same color as utilized by the pump manufacturer 5. Temporary Facilities: Apply paint to surfaces that do not have existing finish coats. 6. Paint shall withstand the following temperatures without peeling or discoloration: a. Condensate and feedwater -- 38 degrees C (100 degrees F) on insulation jacket surface and 120 degrees C (250 degrees F) on metal pipe surface. b. Steam -- 52 degrees C (125 degrees F) on insulation jacket surface and 190 degrees C (375 degrees F) on metal pipe surface. 7. Final result shall be smooth, even-colored, even-textured factory finish on all items. Completely repaint the entire piece of equipment if necessary to achieve this. 3.7 IDENTIFICATION SIGNS A. Provide laminated plastic signs, with engraved lettering not less than 3/16-inch high, designating functions, for all equipment, switches, motor controllers, relays, meters, control devices, including automatic control valves. Nomenclature and identification symbols shall correspond to that used in maintenance manual, and in diagrams specified elsewhere. Attach by chain, adhesive, or screws. B. Factory Built Equipment: Metal plate, securely attached, with name and address of manufacturer, serial number, model number, size, performance. C. Pipe Identification: Refer to Section 09 91 00, PAINTING. 3.8 MOTOR AND DRIVE ALIGNMENT A. Belt Drive: Set driving and driven shafts parallel and align so that the corresponding grooves are in the same plane. B. Direct-connect Drive: Securely mount motor in accurate alignment so that shafts are free from both angular and parallel misalignments when both motor and driven machine are operating at normal temperatures. 3.9 LUBRICATION A. Lubricate all devices requiring lubrication prior to initial operation. Field-check all devices for proper lubrication. B. Equip all devices with required lubrication fittings or devices. Provide a minimum of one quart of oil and one pound of grease of manufacturer's recommended grade and type for each different
COMMON WORK RESULTS FOR HVAC 230511 - 17 ESC, INC. PROJECT 15228 application; also provide 12 grease sticks for lubricated plug valves. Deliver all materials to Resident Engineer in unopened containers that are properly identified as to application. C. Provide a separate grease gun with attachments for applicable fittings for each type of grease applied. D. All lubrication points shall be accessible without disassembling equipment, except to remove access plates. 3.10 COMMISSIONING A. Provide commissioning documentation for all inspection, start up, and contractor testing required above and required by the Owner. B. Components provided under this section of the specifications will be tested as part of a larger system. 3.11 STARTUP AND TEMPORARY OPERATION Start up equipment as described in equipment specifications. Verify that vibration is within specified tolerance prior to extended operation. 3.12 OPERATING AND PERFORMANCE TESTS A. Prior to the final inspection, perform required tests as specified. B. Should evidence of malfunction in any tested system, or piece of equipment or component part thereof, occur during or as a result of tests, make proper corrections, repairs or replacements, and repeat tests at no additional cost to the Owner. C. When completion of certain work or system occurs at a time when final control settings and adjustments cannot be properly made to make performance tests, then make performance tests for heating systems and for cooling systems respectively during first actual seasonal use of respective systems following completion of work. - - - E N D - - -
COMMON WORK RESULTS FOR HVAC 230511 - 18 ESC, INC. PROJECT 15228 SECTION 231123 - FACILITY NATURAL-GAS PIPING
PART 1 - GENERAL 1.1 DESCRIPTION Fuel gas systems, including piping, equipment and all necessary accessories as designated in this section. Fuel gas piping for central boiler plants is not included. 1.2 RELATED WORK A. Section 099100, PAINTING: Preparation and finish painting and identification of piping systems. 1.3 SUBMITTALS A. Submit in accordance with Section 013323, SHOP DRAWINGS, PRODUCT DATA, and SAMPLES. B. Manufacturer's Literature and Data: 1. Pipe & Fittings. 2. Valves. 3. Strainers. 4. All items listed in Part 2 - Products. C. Detailed shop drawing of clamping device and extensions when required in connection with the waterproofing membrane. 1.4 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. B. Federal Specifications (Fed. Spec.): A-A-59617 ...... Unions, Brass or Bronze Threaded, Pipe Connections and Solder-Joint Tube Connections C. American National Standards Institute (ANSI): American Society of Mechanical Engineers (ASME): (Copyrighted Society) A13.1-(2007) ...... Scheme for Identification of Piping Systems B16.3-(2006) ...... Malleable Iron Threaded Fittings: Classes 150 and 300 ANSI/ASME B16.9-2007 ...... Factory-Made Wrought Steel Buttwelding Fittings ANSI/ASME B16.11-2009 ...... Forged Steel Fittings, Socket-Welding and Threaded ANSI/ASME B16.15-2006 ...... Cast Copper Alloy Threaded Fittings: Classes 125 and 250 ANSI/ASME B31.8-2010 ...... Gas Transmission and Distribution Piping Systems ANSI/ASME
FACILITY NATURAL GAS PIPING 231123 - 1 ESC, INC. PROJECT 15228 D. American Society for Testing and Materials (ASTM): A47-99(2009) ...... Standard Specification for Ferritic Malleable Iron Castings A53-10 ...... Standard Specification for Pipe, Steel, Black And Hot-Dipped, Zinc-coated Welded and Seamless A183-09 ...... Standard Specification for Carbon Steel Track Bolts and Nuts A536-09 ...... Standard Specification for Ductile Iron Castings A733-03(2009)e1 ...... Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples B687-99(2005)e1 ...... Standard Specification for Brass, Copper, and Chromium-Plated Pipe Nipples E. National Fire Protection Association (NFPA): 54-2009 ...... National Fuel Gas Code F. International Code Council IPC 2009 ...... International Plumbing Code IFGC 2009 ...... International Fuel Gas Code G. International Association of Plumbing and Mechanical Officials (IAPMO): Uniform Plumbing Code – 2009 IS6-06...... Installation Standard H. Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. (MSS): SP-72-2010 ...... Ball Valves with Flanged or Butt-Welding For General Service SP-110-2010 ...... Ball Valve Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends 1.5 SYSTEM PRESSURE Natural gas systems, unless otherwise noted, are designed and materials and equipment selected to prevent failure under gas pressure of 60 psi entering the property; 5 psi at downstream side of pressure regulator. PART 2 - PRODUCTS 2.1 FUEL GAS SERVICE CONNECTIONS TO BUILDING A. From inside face of exterior wall to a distance of approximately 5 feet outside of building, use coated piping. B. Pipe: Black steel, ASTM A53, Schedule 40. Shop-applied pipe coating shall be one of the following types: 1. Coal Tar Enamel Coating: Exterior of pipe and fittings shall be cleaned, primed with Type B primer and coated with hot-applied coal tar enamel with bonded layer of felt wrap in
FACILITY NATURAL GAS PIPING 231123 - 2 ESC, INC. PROJECT 15228 accordance with AWWA C203. Asbestos felt shall not be used; felt material shall be fibrous glass mat as specified in Appendix Section A2.1 of AWWA C203. 2. Adhesive-thermoplastic Resin Coating: Fed. Spec. L-C-530, Type I 3. Thermosetting Epoxy Coating: Fed. Spec. L-C-530, Type II 4. Field-applied plastic tape material used on pipe joints and for repairing damaged areas of shop-applied coatings, Fed. Spec. L-T-1512, Type I, 10 mils nominal thickness for pipe joints, and Type II, 20 mils nominal thickness for coating repairs. C. Holiday Inspections: Procedure for holiday inspection: Holiday Inspection shall be conducted on all coatings to determine the presence and number of discontinuities in those coatings referenced in 2.6/B - 1, 2, 3, and 4 using a Tinker & Rasor model AP/W Holiday Detector. Holiday inspection shall be performed in a manner spelled out in the Tinker & Rasor operating instructions and at a voltage level recommended by the coating manufacturer or applicable NACE International Standard such as RPO 274-93 or RPO 490-90 in the case thermosetting epoxy coating. Holiday Detectors shall be calibrated and supplied with a certificate of calibration from the factory. A calibration of the Holiday Detector shall be performed once every 6 months to verify output voltages are true and correct. D. Fittings: 1. Butt weld fittings, wrought steel, ANSI B16.9. 2. Socket weld and threaded fittings forged steel, ANSI B16.11. 3. Grooved End: Ductile iron (ASTM A536, Grade 65-45-12), malleable iron (ASTM A47, Grade 32510), or steel (ASTM A53, Type F or Type E or S, Grade B). E. Joints: Welded, ANSI B31.8. 2.2 FUEL GAS PIPING A. Pipe: Black steel, ASTM A53, Schedule 40. B. Nipples: Steel, ASTM A733, Schedule 40. C. Fittings: 1. Sizes 2 inch under ANSI B 16.3 threaded malleable iron. 2. Over 2 inch and up to 4 inch ANSI B16.11 socket welded. 3. Over 4 inch ANSI 16.9 butt welded. D. Joints: Provide welded or threaded joints. 2.3 VALVES A. Ball Valve: Bronze body, rated for 150 psi at 365ºF, 250 psi at 250ºF, reinforced TFE seat, stem seal and thrust washer; end entry, threaded ends, UL-listed for natural or LP gas shut off service when used on those services.
FACILITY NATURAL GAS PIPING 231123 - 3 ESC, INC. PROJECT 15228 B. Gas Vent Cocks: Type 701: Bronze body, tee handle, rated for 30 psi at 100ºF, ground plug, rated for tight shut-off on fuel gas service. 2.5 WATERPROOFING A. Provide at points where pipes pass through membrane waterproofed floors or walls in contact with earth. B. Floors: Provide cast iron stack sleeve with flashing device and a underdeck clamp. After stack is passed through sleeve, provide a waterproofed caulked joint at top hub. C. Walls: See detail shown on drawings. 2.5 STRAINERS A. Provide on high pressure side of pressure reducing valves, on inlet side of indicating and control instruments and equipment subject to sediment damage and where shown on drawings. Strainer element shall be removable without disconnection of piping. B. Gas Lines: "Y" type with removable mesh lined brass strainer sleeve. C. Body: Smaller than 3 inches, brass or bronze; 3 inches and larger, cast iron or semi-steel. 2.6 DIELECTRIC FITTINGS Provide dielectric couplings or unions between ferrous and non-ferrous pipe. 2.7 GAS EQUIPMENT CONNECTORS Flexible connectors with teflon core, interlocked galvanized steel protective casing, AGA certified design. PART 3 - EXECUTION 3.1 INSTALLATION A. General: Comply with the International Fuel Gas Code and the following: 1. Install branch piping for fuel gas and connect to all fixtures, valves, cocks, outlets, casework, cabinets and equipment, including those furnished by the Owner or specified in other sections. 2. Pipe shall be round and straight. Cutting shall be done with proper tools. Pipe, shall be reamed to full size after cutting. 3. All pipe runs shall be laid out to avoid interference with other work. 4. Install valves with stem in horizontal position whenever possible. All valves shall be easily accessible. 5. Install union and shut-off valve on pressure piping at connections to equipment. 6. Pipe Hangers, Supports and Accessories: a. All piping shall be supported per the International Fuel Gas Code.
FACILITY NATURAL GAS PIPING 231123 - 4 ESC, INC. PROJECT 15228 b. Shop Painting and Plating: Hangers, supports, rods, inserts and accessories used for Pipe supports shall be shop coated with red lead or zinc Chromate primer paint. Electroplated copper hanger rods, hangers and accessories may be used with copper tubing. c. Floor, Wall and Ceiling Plates, Supports, Hangers: 1) Solid or split unplated cast iron, chrome plated in finished areas. 2) All plates shall be provided with set screws. 3) Pipe Hangers: Height adjustable clevis type. 4) Adjustable Floor Rests and Base Flanges: Steel. 5) Concrete Inserts: "Universal" or continuous slotted type. 6) Hanger Rods: Mild, low carbon steel, fully threaded or Threaded at each end with two removable nuts at each end for positioning rod and hanger and locking each in place. 7) Riser Clamps: Malleable iron or steel. 8) Rollers: Cast iron. 9) Self-drilling type expansion shields shall be "Phillips" type, with case hardened steel expander plugs. 10) Miscellaneous Materials: As specified, required, directed or as noted on the drawings for proper installation of hangers, supports and accessories. 7. Install cast chrome plated escutcheon with set screw at each wall, floor and ceiling penetration in exposed finished locations and within cabinets and millwork. 8. Penetrations: a. Fire Stopping: Where pipes pass through fire partitions, fire walls, smoke partitions, or floors, install a fire stop that provides an effective barrier against the spread of fire, smoke and gases as specified. b. Waterproofing: At floor penetrations, completely seal clearances around the pipe and make watertight with sealant. B. Piping shall conform to the following: 1. Fuel Gas: a. Entire fuel gas piping installation shall be in accordance with requirements of NFPA 54. b. Provide fuel gas piping with plugged drip pockets at low points. 3.2 CLEANING OF SYSTEM AFTER INSTALLATION Clean all piping systems to remove all dirt, coatings and debris. Remove all valves, controls etc., and reinstall after piping system has been cleaned.
FACILITY NATURAL GAS PIPING 231123 - 5 ESC, INC. PROJECT 15228 3.3 TESTS A. General: Test system either in its entirety or in sections after system is installed or cleaned. B. Test shall be made in accordance with Section 406 of the International Fuel Gas Code. The system shall be tested at a minimum of 1.5 times maximum working pressure, 100 psig. - - - E N D - - -
FACILITY NATURAL GAS PIPING 231123 - 6 ESC, INC. PROJECT 15228 SECTION 260511 - REQUIREMENTS FOR ELECTRICAL INSTALLATIONS
PART 1 - GENERAL 1.1 DESCRIPTION A. This section applies to all sections of Division 26. B. Furnish and install electrical wiring, systems, equipment and accessories in accordance with the specifications and drawings. Capacities and ratings of motors, transformers, cable, switchboards, switchgear, panelboards, motor control centers, generators, automatic transfer switches, and other items and arrangements for the specified items are shown on drawings. C. Electrical service entrance equipment and arrangements for temporary and permanent connections to the utility’s system shall conform to the utility's requirements. Coordinate fuses, circuit breakers and relays with the utility’s system, and obtain utility approval for sizes and settings of these devices. D. Wiring ampacities specified or shown on the drawings are based on copper conductors, with the conduit and raceways accordingly sized. Aluminum conductors are prohibited. 1.2 MINIMUM REQUIREMENTS A. References to the International Building Code (IBC), National Electrical Code (NEC), Underwriters Laboratories, Inc. (UL) and National Fire Protection Association (NFPA) are minimum installation requirement standards. B. Drawings and other specification sections shall govern in those instances where requirements are greater than those specified in the above standards. 1.3 TEST STANDARDS A. All materials and equipment shall be listed, labeled or certified by a nationally recognized testing laboratory to meet Underwriters Laboratories, Inc., standards where test standards have been established. Equipment and materials which are not covered by UL Standards will be accepted provided equipment and material is listed, labeled, certified or otherwise determined to meet safety requirements of a nationally recognized testing laboratory. Equipment of a class which no nationally recognized testing laboratory accepts, certifies, lists, labels, or determines to be safe, will be considered if inspected or tested in accordance with national industrial standards, such as NEMA, or ANSI. Evidence of compliance shall include certified test reports and definitive shop drawings. B. Definitions: 1. Listed; Equipment, materials, or services included in a list published by an organization that is acceptable to the authority having jurisdiction and concerned with evaluation of products
REQUIREMENTS FOR ELECTRICAL INSTALLATIONS 260511 - 1 ESC, INC. PROJECT 15228 or services, that maintains periodic inspection of production or listed equipment or materials or periodic evaluation of services, and whose listing states that the equipment, material, or services either meets appropriate designated standards or has been tested and found suitable for a specified purpose. 2. Labeled; Equipment or materials to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the authority having jurisdiction and concerned with product evaluation, that maintains periodic inspection of production of labeled equipment or materials, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner. 3. Certified; equipment or product which: a. Has been tested and found by a nationally recognized testing laboratory to meet nationally recognized standards or to be safe for use in a specified manner. b. Production of equipment or product is periodically inspected by a nationally recognized testing laboratory. c. Bears a label, tag, or other record of certification. 4. Nationally recognized testing laboratory; laboratory which is approved, in accordance with OSHA regulations, by the Secretary of Labor. 1.4 QUALIFICATIONS (PRODUCTS AND SERVICES) A. Manufacturers Qualifications: The manufacturer shall regularly and presently produce, as one of the manufacturer's principal products, the equipment and material specified for this project, and shall have manufactured the item for at least three years. B. Product Qualification: 1. Manufacturer's product shall have been in satisfactory operation, on three installations of similar size and type as this project, for approximately three years. 2. The Owner reserves the right to require the Contractor to submit a list of installations where the products have been in operation before approval. C. Service Qualifications: There shall be a permanent service organization maintained or trained by the manufacturer which will render satisfactory service to this installation within eight hours of receipt of notification that service is needed. Submit name and address of service organizations. 1.5 APPLICABLE PUBLICATIONS A. Applicable publications listed in all Sections of Division are the latest issue, unless otherwise noted.
REQUIREMENTS FOR ELECTRICAL INSTALLATIONS 260511 - 2 ESC, INC. PROJECT 15228 1.6 MANUFACTURED PRODUCTS A. Materials and equipment furnished shall be of current production by manufacturers regularly engaged in the manufacture of such items, for which replacement parts shall be available. B. When more than one unit of the same class or type of equipment is required, such units shall be the product of a single manufacturer. C. Equipment Assemblies and Components: 1. Components of an assembled unit need not be products of the same manufacturer. 2. Manufacturers of equipment assemblies, which include components made by others, shall assume complete responsibility for the final assembled unit. 3. Components shall be compatible with each other and with the total assembly for the intended service. 4. Constituent parts which are similar shall be the product of a single manufacturer. D. Factory wiring shall be identified on the equipment being furnished and on all wiring diagrams. E. When Factory Testing Is Specified: 1. The Owner and/or Engineer shall have the option of witnessing factory tests. The contractor shall notify the Owner a minimum of 7 working days prior to the manufacturers making the factory tests. 2. Four copies of certified test reports containing all test data shall be furnished to the Owner prior to final inspection and not more than 90 days after completion of the tests. 3. When equipment fails to meet factory test and re-inspection is required, the contractor shall be liable for all additional expenses, including expenses of the Owner. 1.7 EQUIPMENT REQUIREMENTS A. Where variations from the contract requirements are requested the connecting work and related components shall include, but not be limited to additions or changes to branch circuits, circuit protective devices, conduits, wire, feeders, controls, panels and installation methods. 1.8 EQUIPMENT PROTECTION A. Equipment and materials shall be protected during shipment and storage against physical damage, vermin, dirt, corrosive substances, fumes, moisture, cold and rain. 1. Store equipment indoors in clean dry space with uniform temperature to prevent condensation. Equipment shall include but not be limited to switchgear, switchboards, panelboards, transformers, motor control centers, motor controllers, uninterruptible power systems, enclosures, controllers, circuit protective devices, cables, wire, light fixtures, electronic equipment, and accessories.
REQUIREMENTS FOR ELECTRICAL INSTALLATIONS 260511 - 3 ESC, INC. PROJECT 15228 2. During installation, equipment shall be protected against entry of foreign matter; and be vacuum-cleaned both inside and outside before testing and operating. Compressed air shall not be used to clean equipment. Remove loose packing and flammable materials from inside equipment. 3. Damaged equipment shall be, as determined by the Owner and/or Engineer, placed in first class operating condition or be returned to the source of supply for repair or replacement. 4. Painted surfaces shall be protected with factory installed removable heavy kraft paper, sheet vinyl or equal. 5. Damaged paint on equipment and materials shall be refinished with the same quality of paint and workmanship as used by the manufacturer so repaired areas are not obvious. 1.9 WORK PERFORMANCE A. All electrical work must comply with the requirements of NFPA 70 (NEC), NFPA 70B, NFPA 70E, OSHA Part 1910 subpart J, OSHA Part 1910 subpart S and OSHA Part 1910 subpart K in addition to other references required by contract. B. Job site safety and worker safety is the responsibility of the contractor. C. Electrical work shall be accomplished with all affected circuits or equipment de-energized. When an electrical outage cannot be accomplished in this manner for the required work, the following requirements are mandatory: 1. Electricians must use full protective equipment (i.e., certified and tested insulating material to cover exposed energized electrical components, certified and tested insulated tools, etc.) while working on energized systems in accordance with NFPA 70E. 2. Electricians must wear personal protective equipment while working on energized systems in accordance with NFPA 70E. 3. Before initiating any work, a job specific work plan must be developed by the contractor with a peer review conducted and documented by the Owner and/or Engineer. The work plan must include procedures to be used on and near the live electrical equipment, barriers to be installed, safety equipment to be used and exit pathways. 4. Work on energized circuits or equipment cannot begin until prior written approval is obtained from the Owner. D. New work shall be installed and connected to existing work neatly, safely and professionally. Disturbed or damaged work shall be replaced or repaired to its prior conditions. E. Coordinate location of equipment and conduit with other trades to minimize interferences, if applicable.
REQUIREMENTS FOR ELECTRICAL INSTALLATIONS 260511 - 4 ESC, INC. PROJECT 15228 1.10 EQUIPMENT INSTALLATION AND REQUIREMENTS A. Equipment location shall be as close as practical to locations shown on the drawings. B. Working spaces shall not be less than specified in the NEC for all voltages specified. C. Inaccessible Equipment: 1. Where the Owner determines that the Contractor has installed equipment not conveniently accessible for operation and maintenance, the equipment shall be removed and reinstalled as directed at no additional cost to the Owner. 2. "Conveniently accessible" is defined as being capable of being reached quickly for operation, maintenance, or inspections without the use of ladders, or without climbing or crawling under or over obstacles such as, but not limited to, motors, pumps, belt guards, transformers, piping, ductwork, conduit and raceways. 1.11 EQUIPMENT IDENTIFICATION A. In addition to the requirements of the NEC, install an identification sign which clearly indicates information required for use and maintenance of items such as switchboards and switchgear, panelboards, cabinets, motor controllers (starters), fused and unfused safety switches, automatic transfer switches, separately enclosed circuit breakers, individual breakers and controllers in switchboards, switchgear and motor control assemblies, control devices and other significant equipment. 1.12 SUBMITTALS A. The Owner and/or Engineer's approval shall be obtained for all equipment and material before delivery to the job site. Delivery, storage or installation of equipment or material which has not had prior approval will not be permitted at the job site. B. All submittals shall include adequate descriptive literature, catalog cuts, shop drawings and other data necessary for the Owner and/or Engineer to ascertain that the proposed equipment and materials comply with specification requirements. Catalog cuts submitted for approval shall be legible and clearly identify equipment being submitted. C. Submittals for individual systems and equipment assemblies which consist of more than one item or component shall be made for the system or assembly as a whole. Partial submittals will not be considered for approval. 1. Mark the submittals, "SUBMITTED UNDER SECTION______". 2. Submittals shall be marked to show specification reference including the section and paragraph numbers. 3. Submit each section separately.
REQUIREMENTS FOR ELECTRICAL INSTALLATIONS 260511 - 5 ESC, INC. PROJECT 15228 D. The submittals shall include the following: 1. Information that confirms compliance with contract requirements. Include the manufacturer's name, model or catalog numbers, catalog information, technical data sheets, shop drawings, pictures, nameplate data and test reports as required. 2. Elementary and interconnection wiring diagrams for communication and signal systems, control systems and equipment assemblies. All terminal points and wiring shall be identified on wiring diagrams. 3. Parts list which shall include those replacement parts recommended by the equipment manufacturer. E. Manuals: 1. Maintenance and Operation Manuals: Submit as required for systems and equipment specified in the technical sections. Furnish four copies, bound in hardback binders, (manufacturer's standard binders) or an approved equivalent. Furnish one complete manual as specified in the technical section but in no case later than prior to performance of systems or equipment test, and furnish the remaining manuals prior to contract completion. 2. Inscribe the following identification on the cover: the words "MAINTENANCE AND OPERATION MANUAL," the name and location of the system, equipment, building, name of Contractor, and contract number. Include in the manual the names, addresses, and telephone numbers of each subcontractor installing the system or equipment and the local representatives for the system or equipment. 3. Provide a "Table of Contents" and assemble the manual to conform to the table of contents, with tab sheets placed before instructions covering the subject. The instructions shall be legible and easily read, with large sheets of drawings folded in. 4. The manuals shall include: a. Internal and interconnecting wiring and control diagrams with data to explain detailed operation and control of the equipment. b. A control sequence describing start-up, operation, and shutdown. c. Description of the function of each principal item of equipment. d. Installation instructions. e. Safety precautions for operation and maintenance. f. Diagrams and illustrations. g. Periodic maintenance and testing procedures and frequencies, including replacement parts numbers and replacement frequencies.
REQUIREMENTS FOR ELECTRICAL INSTALLATIONS 260511 - 6 ESC, INC. PROJECT 15228 h. Performance data. i. Pictorial "exploded" parts list with part numbers. Emphasis shall be placed on the use of special tools and instruments. The list shall indicate sources of supply, recommended spare parts, and name of servicing organization. j. List of factory approved or qualified permanent servicing organizations for equipment repair and periodic testing and maintenance, including addresses and factory certification qualifications. F. Approvals will be based on complete submission of manuals together with shop drawings. 1.13 SINGULAR NUMBER A. Where any device or part of equipment is referred to in these specifications in the singular number (e.g., "the switch"), this reference shall be deemed to apply to as many such devices as are required to complete the installation as shown on the drawings. 1.14 ACCEPTANCE CHECKS AND TESTS A. The contractor shall furnish the instruments, materials and labor for field tests. 1.15 TRAINING A. Training shall be provided for the particular equipment or system as required in each associated specification. B. A training schedule shall be developed and submitted by the contractor and approved by the Owner at least 30 days prior to the planned training.
1.16 RECORD DRAWINGS A. Furnish record drawings of the final installation noting important data and after the final installation is complete and systems are operational. Record drawings shall be thorough with attention to details. The Owner retains the right to request more information to be added to drawings as needed. Record drawings shall be clearly marked in red.
- - - E N D - - -
REQUIREMENTS FOR ELECTRICAL INSTALLATIONS 260511 - 7 ESC, INC. PROJECT 15228 SECTION 260521 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES
PART 1 - GENERAL 1.1 DESCRIPTION A. This section specifies the furnishing, installation, and connection of the low voltage power and lighting wiring. 1.2 RELATED WORK A. Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements that are common to more than one section. B. Section 260526, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS: Requirements for personnel safety and to provide a low impedance path for possible ground fault currents. C. Section 260533, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS: Conduits for cables and wiring. 1.3 QUALITY ASSURANCE A. Refer to Paragraph, QUALIFICATIONS, in Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS. 1.4 FACTORY TESTS A. Low voltage cables shall be thoroughly tested at the factory per NEMA WC-70 to ensure that there are no electrical defects. Factory tests shall be certified. 1.5 SUBMITTALS A. In accordance with Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS, submit the following: 1. Manufacturer's Literature and Data: Showing each cable type and rating. 2. Certifications: Two weeks prior to the final inspection, submit four copies of the following certifications to Owner and/or Engineer: a. Certification by the manufacturer that the materials conform to the requirements of the drawings and specifications. b. Certification by the contractor that the materials have been properly installed, connected, and tested. 1.6 APPLICABLE PUBLICATIONS A. Publications listed below (including amendments, addenda, revisions, supplements and errata) form a part of this specification to the extent referenced. Publications are reference in the text by designation only.
LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260521 - 1 ESC, INC. PROJECT 15228 B. American Society of Testing Material (ASTM): D2301-04 ...... Standard Specification for Vinyl Chloride Plastic Pressure- Sensitive Electrical Insulating Tape C. National Fire Protection Association (NFPA): 70-08 ...... National Electrical Code (NEC) D. National Electrical Manufacturers Association (NEMA): WC 70-09 ...... Power Cables Rated 2000 Volts or Less for the Distribution of Electrical Energy E. Underwriters Laboratories, Inc. (UL): 44-05 ...... Thermoset-Insulated Wires and Cables 83-08 ...... Thermoplastic-Insulated Wires and Cables 467-071 ...... Electrical Grounding and Bonding Equipment 486A-486B-03 ...... Wire Connectors 486C-04 ...... Splicing Wire Connectors 486D-05 ...... Sealed Wire Connector Systems 486E-94 ...... Equipment Wiring Terminals for Use with Aluminum and/or Copper Conductors 493-07 ...... Thermoplastic-Insulated Underground Feeder and Branch Circuit Cable 514B-04 ...... Conduit, Tubing, and Cable Fittings 1479-03 ...... Fire Tests of Through-Penetration Fire Stops
PART 2 - PRODUCTS 2.1 CONDUCTORS AND CABLES A. Conductors and cables shall be in accordance with NEMA WC-70 and as specified herein. B. Single Conductor: 1. Shall be annealed copper. 2. Shall be stranded for sizes No. 8 AWG and larger, solid for sizes No. 10 AWG and smaller. 3. Shall be minimum size No. 12 AWG, except where smaller sizes are allowed herein. C. Insulation: 1. XHHW-2 or THHN-THWN shall be in accordance with NEMA WC-70, UL 44, and UL 83. D. Color Code: 1. Secondary service feeder and branch circuit conductors shall be color-coded as follows:
LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260521 - 2 ESC, INC. PROJECT 15228
208/120 volt Phase 480/277 volt Black A Brown Red B Orange Blue C Yellow White Neutral Gray * * or white with colored (other than green) tracer.
a. Lighting circuit “switch legs” and 3-way switch “traveling wires” shall have color coding that is unique and distinct (e.g., pink and purple) from the color coding indicated above. The unique color codes shall be solid and in accordance with the NEC. Coordinate color coding in the field with the Owner and/or Engineer. 2. Use solid color insulation or solid color coating for No. 12 AWG and No. 10 AWG branch circuit phase, neutral, and ground conductors. 3. Conductors No. 8 AWG and larger shall be color-coded using one of the following methods: a. Solid color insulation or solid color coating. b. Stripes, bands, or hash marks of color specified above. c. Color as specified using 0.75 in wide tape. Apply tape in half-overlapping turns for a minimum of 3 in for terminal points, and in junction boxes, pull-boxes, troughs, and manholes. Apply the last two laps of tape with no tension to prevent possible unwinding. Where cable markings are covered by tape, apply tags to cable, stating size and insulation type. 4. For modifications and additions to existing wiring systems, color coding shall conform to the existing wiring system. 2.2 SPLICES AND JOINTS A. In accordance with UL 486A, C, D, E, and NEC. B. Aboveground Circuits (No. 10 AWG and smaller): 1. Connectors: Solderless, screw-on, reusable pressure cable type, rated 600 V, 220˚ F [105˚ C], with integral insulation, approved for copper and aluminum conductors. 2. The integral insulator shall have a skirt to completely cover the stripped wires. 3. The number, size, and combination of conductors, as listed on the manufacturer's packaging, shall be strictly followed.
LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260521 - 3 ESC, INC. PROJECT 15228 C. Aboveground Circuits (No. 8 AWG and larger): 1. Connectors shall be indent, hex screw, or bolt clamp-type of high conductivity and corrosion-resistant material, listed for use with copper and aluminum conductors. 2. Field-installed compression connectors for cable sizes 250 kcmil and larger shall have not fewer than two clamping elements or compression indents per wire. 3. Insulate splices and joints with materials approved for the particular use, location, voltage, and temperature. Splice and joint insulation level shall be not less than the insulation level of the conductors being joined. 4. Plastic electrical insulating tape: Per ASTM D2304, flame-retardant, cold and weather resistant. D. Underground Branch Circuits and Feeders: 1. Submersible connectors in accordance with UL 486D, rated 600 V, 190˚ F [90˚ C], with integral insulation. 2.3 CONTROL WIRING A. Unless otherwise specified elsewhere in these specifications, control wiring shall be as specified for power and lighting wiring, except that the minimum size shall be not less than No. 14 AWG. B. Control wiring shall be large enough such that the voltage drop under in-rush conditions does not adversely affect operation of the controls. 2.4 WIRE LUBRICATING COMPOUND A. Lubricating compound shall be suitable for the wire insulation and conduit, and shall not harden or become adhesive. PART 3 - EXECUTION 3.1 GENERAL A. Install in accordance with the NEC, and as specified. B. Install all wiring in raceway systems. C. Splice cables and wires only in outlet boxes, junction boxes, pull-boxes, manholes, or handholes. D. Wires of different systems (e.g., 120 V, 277 V) shall not be installed in the same conduit or junction box system. E. Install cable supports for all vertical feeders in accordance with the NEC. Provide split wedge type which firmly clamps each individual cable and tightens due to cable weight. F. For panel boards, cabinets, wireways, switches, and equipment assemblies, neatly form, train, and tie the cables in individual circuits.
LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260521 - 4 ESC, INC. PROJECT 15228 G. Seal cable and wire entering a building from underground between the wire and conduit where the cable exits the conduit, with a non-hardening approved compound. H. Wire Pulling: 1. Provide installation equipment that will prevent the cutting or abrasion of insulation during pulling of cables. Use lubricants approved for the cable. 2. Use nonmetallic ropes for pulling feeders. 3. Attach pulling lines for feeders by means of either woven basket grips or pulling eyes attached directly to the conductors. 4. All cables in a single conduit shall be pulled simultaneously. 5. Do not exceed manufacturer’s recommended maximum pulling tensions and sidewall pressure values. I. No more than three single-phase branch circuits shall be installed in any one conduit. 3.2 INSTALLATION IN MANHOLES A. Install and support cables in manholes on the steel racks with porcelain or equivalent insulators. Train the cables around the manhole walls, but do not bend to a radius less than six times the overall cable diameter. 1. Use tape of the same type used for the medium-voltage cables, and apply the tape in a single layer, half-lapped, or as recommended by the manufacturer. Install the tape with the coated side towards the cable and extend it not less than 1 in into each duct. 2. Secure the tape in place by a random wrap of glass cloth tape. 3.3 SPLICE INSTALLATION A. Splices and terminations shall be mechanically and electrically secure. B. Tighten electrical connectors and terminals according to manufacturer's published torque values. C. Where the Owner and/or Engineer determines that unsatisfactory splices or terminations have been installed, remove the devices and install approved devices at no additional cost to the Owner. 3.4 FEEDER IDENTIFICATION A. In each interior pull-box and junction box, install metal tags on all circuit cables and wires to clearly designate their circuit identification and voltage. The tags shall be the embossed brass type, 1.5 in in diameter and 40 mils thick. Attach tags with plastic ties. B. In each manhole and handhole, provide tags of the embossed brass type, showing the circuit identification and voltage. The tags shall be the embossed brass type, 1.5 in in diameter and 40 mils thick. Attach tags with plastic ties.
LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260521 - 5 ESC, INC. PROJECT 15228 3.5 EXISTING WIRING Unless specifically indicated on the plans, existing wiring shall not be reused for a new installation. 3.6 CONTROL AND SIGNAL WIRING INSTALLATION A. Unless otherwise specified in other sections, install wiring and connect to equipment/devices to perform the required functions as shown and specified. 3.7 CONTROL AND SIGNAL SYSTEM WIRING IDENTIFICATION A. Install a permanent wire marker on each wire at each termination. B. Identifying numbers and letters on the wire markers shall correspond to those on the wiring diagrams used for installing the systems. C. Wire markers shall retain their markings after cleaning. D. In each manhole and handhole, install embossed brass tags to identify the system served and function. 3.8 ACCEPTANCE CHECKS AND TESTS A. Feeders and branch circuits shall have their insulation tested after installation and before connection to utilization devices, such as fixtures, motors, or appliances. Test each conductor with respect to adjacent conductors and to ground. Existing conductors to be reused shall also be tested. B. Applied voltage shall be 500VDC for 300-volt rated cable, and 1000VDC for 600-volt rated cable. Apply test for one minute or until reading is constant for 15 seconds, whichever is longer. Minimum insulation resistance values shall not be less than 25 megohms for 300-volt rated cable and 100 megohms for 600-volt rated cable. C. Perform phase rotation test on all three-phase circuits. D. The contractor shall furnish the instruments, materials, and labor for all tests. - - - E N D - - -
LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260521 - 6 ESC, INC. PROJECT 15228 SECTION 260526 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS
PART 1 - GENERAL 1.1 DESCRIPTION A. This section specifies the general grounding and bonding requirements for electrical equipment and operations to provide a low impedance path for possible ground fault currents. B. “Grounding electrode system” refers to all electrodes required by NEC, as well as made, supplementary, and lightning protection system grounding electrodes. C. The terms “connect” and “bond” are used interchangeably in this specification and have the same meaning. 1.2 RELATED WORK A. Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements and items that are common to more than one section of Division 26. B. Section 260521, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (600 VOLTS AND BELOW): Low Voltage power and lighting wiring. C. Section 262416, PANELBOARDS: Low voltage panelboards. D. Section 263213, ENGINE-GENERATORS. 1.3 QUALITY ASSURANCE A. Refer to Paragraph, QUALIFICATIONS, in Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS. 1.4 SUBMITTALS A. Submit in accordance with Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS. B. Shop Drawings: 1. Clearly present enough information to determine compliance with drawings and specifications. 2. Include the location of system grounding electrode connections and the routing of aboveground and underground grounding electrode conductors. C. Test Reports: Provide certified test reports of ground resistance. D. Certifications: Two weeks prior to final inspection, submit four copies of the following to the Owner and/or Engineer: 1. Certification that the materials and installation are in accordance with the drawings and specifications.
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 1 ESC, INC. PROJECT 15228 2. Certification by the contractor that the complete installation has been properly installed and tested. 1.5 APPLICABLE PUBLICATIONS A. Publications listed below (including amendments, addenda, revisions, supplements, and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by designation only. 1. American Society for Testing and Materials (ASTM): B1-07 ...... Standard Specification for Hard-Drawn Copper Wire B3-07 ...... Standard Specification for Soft or Annealed Copper Wire B8-04 ...... Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft 2. Institute of Electrical and Electronics Engineers, Inc. (IEEE): 81-1983 ...... IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Ground System C2-07 ...... National Electrical Safety Code 3. National Fire Protection Association (NFPA): 70-08 ...... National Electrical Code (NEC) 99-2005 ...... Health Care Facilities 4. Underwriters Laboratories, Inc. (UL): 44-05 ...... Thermoset-Insulated Wires and Cables 83-08 ...... Thermoplastic-Insulated Wires and Cables 467-07 ...... Grounding and Bonding Equipment 486A-486B-03 ...... Wire Connectors PART 2 - PRODUCTS 2.1 GROUNDING AND BONDING CONDUCTORS A. Equipment grounding conductors shall be UL 44 or UL 83 insulated stranded copper, except that sizes No. 10 AWG and smaller shall be solid copper. Insulation color shall be continuous green for all equipment grounding conductors, except that wire sizes No. 4 AWG and larger shall be identified per NEC. B. Bonding conductors shall be ASTM B8 bare stranded copper, except that sizes No. 10 AWG and smaller shall be ASTM B1 solid bare copper wire. C. Conductor sizes shall not be less than shown on the drawings, or not less than required by the NEC, whichever is greater.
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 2 ESC, INC. PROJECT 15228 2.2 GROUND RODS A. Steel or copper clad steel, 0.75 in diameter by 10 ft long, conforming to UL 467. B. Quantity of rods shall be as required to obtain the specified ground resistance, as shown on the drawings. 2.3 CONCRETE ENCASED ELECTRODE A. Concrete encased electrode shall be No. 4 AWG bare copper wire, installed per NEC. 2.4 MEDIUM VOLTAGE SPLICES AND TERMINATIONS A. Components shall meet or exceed UL 467 and be clearly marked with the manufacturer, catalog number, and permitted conductor size(s). 2.5 GROUND CONNECTIONS A. Below Grade: Exothermic-welded type connectors. B. Above Grade: 1. Bonding Jumpers: Compression-type connectors, using zinc-plated fasteners and external tooth lockwashers. 2. Connection to Building Steel: Exothermic-welded type connectors. 3. Ground Busbars: Two-hole compression type lugs, using tin-plated copper or copper alloy bolts and nuts. 4. Rack and Cabinet Ground Bars: One-hole compression-type lugs, using zinc-plated or copper alloy fasteners. 2.6 EQUIPMENT RACK AND CABINET GROUND BARS A. Provide solid copper ground bars designed for mounting on the framework of open or cabinet- enclosed equipment racks with minimum dimensions of 0.375 in thick x 0.75 in wide. 2.7 GROUND TERMINAL BLOCKS A. At any equipment mounting location (e.g., backboards and hinged cover enclosures) where rack- type ground bars cannot be mounted, provide screw lug-type terminal blocks. 2.8 GROUNDING BUS A. Pre-drilled rectangular copper bar with stand-off insulators, minimum 0.25 in thick x 4 in high in cross-section, length as shown on drawings, with 0.281 in holes spaced 1.125 in apart. PART 3 - EXECUTION 3.1 GENERAL A. Ground in accordance with the NEC, as shown on drawings, and as specified herein. B. System Grounding: 1. Secondary service neutrals: Ground at the supply side of the secondary disconnecting means and at the related transformers.
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 3 ESC, INC. PROJECT 15228 2. Separately derived systems (transformers downstream from the service entrance): Ground the secondary neutral. C. Equipment Grounding: Metallic structures, including ductwork and building steel, enclosures, raceways, junction boxes, outlet boxes, cabinets, machine frames, and other conductive items in close proximity with electrical circuits, shall be bonded and grounded. 3.2 INACCESSIBLE GROUNDING CONNECTIONS A. Make grounding connections, which are normally buried or otherwise inaccessible (except connections for which access for periodic testing is required), by exothermic weld. 3.3 MEDIUM VOLTAGE EQUIPMENT AND CIRCUITS A. Switchgear: Provide a bare grounding electrode conductor from the switchgear ground bus to the grounding electrode system. B. Duct Banks and Manholes: Provide an insulated equipment grounding conductor in each duct containing medium voltage conductors, sized per NEC except that minimum size shall be 2 AWG. Bond the equipment grounding conductors to the switchgear ground bus, to all manhole hardware and ground rods, to the cable shielding grounding provisions of medium-voltage cable splices and terminations, and to equipment enclosures. C. Pad-Mounted Transformers: 1. Provide a driven ground rod and bond with a grounding electrode conductor to the transformer grounding pad. 2. Ground the secondary neutral. D. Lightning Arresters: Connect lightning arresters to the equipment ground bus or ground rods as applicable. 3.4 SECONDARY VOLTAGE EQUIPMENT AND CIRCUITS A. Main Bonding Jumper: Bond the secondary service neutral to the ground bus in the service equipment. B. Metallic Piping, Building Steel, and Supplemental Electrode(s): 1. Provide a grounding electrode conductor sized per NEC between the service equipment ground bus and all metallic water pipe systems, building steel, and supplemental or made electrodes. Provide jumper insulating joints in the metallic piping. All connections to electrodes shall be made with fittings that conform to UL 467. 2. Provide a supplemental ground electrode and bond to the grounding electrode system. C. Service Disconnect (Separate Individual Enclosure): Provide a ground bar bolted to the enclosure with lugs for connecting the various grounding conductors.
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 4 ESC, INC. PROJECT 15228 D. Switchgear, Switchboards, Unit Substations, Panelboards, Motor Control Centers and Panelboards, Engine-Generators, and Automatic Transfer Switches: 1. Connect the various feeder equipment grounding conductors to the ground bus in the enclosure with suitable pressure connectors. 2. For service entrance equipment, connect the grounding electrode conductor to the ground bus. 3. Provide ground bars, bolted to the housing, with sufficient lugs to terminate the equipment grounding conductors. 4. Connect metallic conduits that terminate without mechanical connection to the housing, by grounding bushings and grounding conductor to the equipment ground bus. E. Transformers: 1. Exterior: Exterior transformers supplying interior service equipment shall have the neutral grounded at the transformer secondary. Provide a grounding electrode at the transformer. 3.5 RACEWAY A. Conduit Systems: 1. Ground all metallic conduit systems. All metallic conduit systems shall contain an equipment grounding conductor. 2. Non-metallic conduit systems, except non-metallic feeder conduits that carry a grounded conductor from exterior transformers to interior or building-mounted service entrance equipment, shall contain an equipment grounding conductor. 3. Conduit that only contains a grounding conductor, and is provided for its mechanical protection, shall be bonded to that conductor at the entrance and exit from the conduit. 4. Metallic conduits which terminate without mechanical connection to an electrical equipment housing by means of locknut and bushings or adapters, shall be provided with grounding bushings. Connect bushings with a bare grounding conductor to the equipment ground bus. B. Feeders and Branch Circuits: Install equipment grounding conductors with all feeders and power and lighting branch circuits. C. Boxes, Cabinets, Enclosures, and Panelboards: 1. Bond the equipment grounding conductor to each pullbox, junction box, outlet box, device box, cabinets, and other enclosures through which the conductor passes (except for special grounding systems for intensive care units and other critical units shown). 2. Provide lugs in each box and enclosure for equipment grounding conductor termination. D. Wireway Systems:
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 5 ESC, INC. PROJECT 15228 1. Bond the metallic structures of wireway to provide 100% electrical continuity throughout the wireway system, by connecting a No. 6 AWG bonding jumper at all intermediate metallic enclosures and across all section junctions. 2. Install insulated No. 6 AWG bonding jumpers between the wireway system, bonded as required above, and the closest building ground at each end and approximately every 50 ft. 3. Use insulated No. 6 AWG bonding jumpers to ground or bond metallic wireway at each end for all intermediate metallic enclosures and across all section junctions. 4. Use insulated No. 6 AWG bonding jumpers to ground cable tray to column-mounted building ground plates (pads) at each end and approximately every 49 ft. E. Receptacles shall not be grounded through their mounting screws. Ground receptacles with a jumper from the receptacle green ground terminal to the device box ground screw and a jumper to the branch circuit equipment grounding conductor. F. Ground lighting fixtures to the equipment grounding conductor of the wiring system when the green ground is provided; otherwise, ground the fixtures through the conduit systems. Fixtures connected with flexible conduit shall have a green ground wire included with the power wires from the fixture through the flexible conduit to the first outlet box. G. Fixed electrical appliances and equipment shall be provided with a ground lug for termination of the equipment grounding conductor. H. Raised Floors: Provide bonding of all raised floor components. 3.6 OUTDOOR METALLIC FENCES AROUND ELECTRICAL EQUIPMENT A. Outdoor Metallic Fences Around Electrical Equipment: Fences shall be grounded with a ground rod at each fixed gate post and at each corner post. Drive ground rods until the top is 12 in below grade. Attach a No. 4 AWG copper conductor by exothermic weld to the ground rods, and extend underground to the immediate vicinity of fence post. Lace the conductor vertically into 12 in of fence mesh and fasten by two approved bronze compression fittings, one to bond the wire to post and the other to bond the wire to fence. Each gate section shall be bonded to its gatepost by a 0.375 in x 1 in flexible, braided copper strap and ground post clamps. Clamps shall be of the anti- electrolysis type. 3.7 CORROSION INHIBITORS A. When making ground and ground bonding connections, apply a corrosion inhibitor to all contact surfaces. Use corrosion inhibitor appropriate for protecting a connection between the metals used. 3.8 CONDUCTIVE PIPING A. Bond all conductive piping systems, interior and exterior, to the grounding electrode system. Bonding connections shall be made as close as practical to the equipment ground bus.
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 6 ESC, INC. PROJECT 15228 B. In operating rooms and at intensive care and coronary care type beds, bond the gases and suction piping at the outlets directly to the room or patient ground bus. 3.9 LIGHTNING PROTECTION SYSTEM A. Bond the lightning protection system to the electrical grounding electrode system. 3.10 ELECTRICAL ROOM GROUNDING A. Building Earth Ground Busbars: Provide ground busbar and mounting hardware at each electrical room and connect to pigtail extensions of the building grounding ring. 3.11 GROUND RESISTANCE A. Grounding system resistance to ground shall not exceed 5 ohms. Make any modifications or additions to the grounding electrode system necessary for compliance without additional cost to the Government. Final tests shall ensure that this requirement is met. B. Resistance of the grounding electrode system shall be measured using a four-terminal fall-of- potential method as defined in IEEE 81. Ground resistance measurements shall be made before the electrical distribution system is energized and shall be made in normally dry conditions not fewer than 48 hours after the last rainfall. Resistance measurements of separate grounding electrode systems shall be made before the systems are bonded together below grade. The combined resistance of separate systems may be used to meet the required resistance, but the specified number of electrodes must still be provided. C. Services at power company interface points shall comply with the power company ground resistance requirements. D. Below-grade connections shall be visually inspected by the Owner and/or Engineer prior to backfilling. The contractor shall notify the Owner 24 hours before the connections are ready for inspection. 3.12 GROUND ROD INSTALLATION A. For outdoor installations, drive each rod vertically in the earth, until top of rod is 24 in below final grade. B. For indoor installations, leave 4 in of rod exposed. C. Where permanently concealed ground connections are required, make the connections by the exothermic process, to form solid metal joints. Make accessible ground connections with mechanical pressure-type ground connectors. D. Where rock prevents the driving of vertical ground rods, install angled ground rods or grounding electrodes in horizontal trenches to achieve the specified resistance. - - - E N D - - -
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 7 ESC, INC. PROJECT 15228 SECTION 260533 - RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS
PART 1 - GENERAL 1.1 DESCRIPTION A. This section specifies the furnishing, installation, and connection of conduit, fittings, and boxes, to form complete, coordinated, grounded raceway systems. Raceways are required for all wiring unless shown or specified otherwise. B. Definitions: The term conduit, as used in this specification, shall mean any or all of the raceway types specified. 1.2 RELATED WORK A. Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements and items that are common to more than one section of Division 26. B. Section 260526, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS: Requirements for personnel safety and to provide a low impedance path for possible ground fault currents. C. Section 260541, UNDERGROUND ELECTRICAL CONSTRUCTION: Underground conduits. 1.3 QUALITY ASSURANCE A. Refer to Paragraph, QUALIFICATIONS, in Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS. 1.4 SUBMITTALS In accordance with Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS, submit the following: A. Manufacturer's Literature and Data: Showing each cable type and rating. The specific item proposed and its area of application shall be identified on the catalog cuts. B. Shop Drawings: 1. Size and location of main feeders. 2. Size and location of panels and pull-boxes. 3. Layout of required conduit penetrations through structural elements. C. Certifications: 1. Two weeks prior to the final inspection, submit four copies of the following certifications to the Owner and/or Engineer: a. Certification by the manufacturer that the material conforms to the requirements of the drawings and specifications. b. Certification by the contractor that the material has been properly installed.
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 1 ESC, INC. PROJECT 15228 1.5 APPLICABLE PUBLICATIONS A. Publications listed below (including amendments, addenda, revisions, supplements, and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by designation only. B. American National Standards Institute (ANSI): C80.1-05 ...... Electrical Rigid Steel Conduit C80.3-05 ...... Steel Electrical Metal Tubing C80.6-05 ...... Electrical Intermediate Metal Conduit C. National Fire Protection Association (NFPA): 70-08 ...... National Electrical Code (NEC) D. Underwriters Laboratories, Inc. (UL): 1-05 ...... Flexible Metal Conduit 5-04 ...... Surface Metal Raceway and Fittings 6-07 ...... Electrical Rigid Metal Conduit - Steel 50-95 ...... Enclosures for Electrical Equipment 360-093 ...... Liquid-Tight Flexible Steel Conduit 467-07 ...... Grounding and Bonding Equipment 514A-04 ...... Metallic Outlet Boxes 514B-04 ...... Conduit, Tubing, and Cable Fittings 514C-96 ...... Nonmetallic Outlet Boxes, Flush-Device Boxes and Covers 651-05 ...... Schedule 40 and 80 Rigid PVC Conduit and Fittings 651A-00 ...... Type EB and A Rigid PVC Conduit and HDPE Conduit 797-07 ...... Electrical Metallic Tubing 1242-06 ...... Electrical Intermediate Metal Conduit - Steel E. National Electrical Manufacturers Association (NEMA): TC-2-03 ...... Electrical Polyvinyl Chloride (PVC) Tubing and Conduit TC-3-04 ...... PVC Fittings for Use with Rigid PVC Conduit and Tubing FB1-07 ...... Fittings, Cast Metal Boxes and Conduit Bodies for Conduit, Electrical Metallic Tubing and Cable
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 2 ESC, INC. PROJECT 15228 PART 2 - PRODUCTS 2.1 MATERIAL A. Conduit Size: In accordance with the NEC, but not less than 0.5 in unless otherwise shown. Where permitted by the NEC, 0.5 in flexible conduit may be used for tap connections to recessed lighting fixtures. B. Conduit: 1. Rigid steel: Shall conform to UL 6 and ANSI C80.1.
2. Rigid intermediate steel conduit (IMC): Shall conform to UL 1242 and ANSI C80.6. 3. Electrical metallic tubing (EMT): Shall conform to UL 797 and ANSI C80.3. Maximum size not to exceed 4 in and shall be permitted only with cable rated 600 V or less. 4. Flexible galvanized steel conduit: Shall conform to UL 1. 5. Liquid-tight flexible metal conduit: Shall conform to UL 360. 6. Direct burial plastic conduit: Shall conform to UL 651 and UL 651A, heavy wall PVC or high density polyethylene (PE). 7. Surface metal raceway: Shall conform to UL 5. C. Conduit Fittings: 1. Rigid steel and IMC conduit fittings: a. Fittings shall meet the requirements of UL 514B and NEMA FB1. b. Standard threaded couplings, locknuts, bushings, conduit bodies, and elbows: Only steel or malleable iron materials are acceptable. Integral retractable type IMC couplings are also acceptable. c. Locknuts: Bonding type with sharp edges for digging into the metal wall of an enclosure. d. Bushings: Metallic insulating type, consisting of an insulating insert, molded or locked into the metallic body of the fitting. Bushings made entirely of metal or nonmetallic material are not permitted. e. Erickson (union-type) and set screw type couplings: Approved for use in concrete are permitted for use to complete a conduit run where conduit is installed in concrete. Use set screws of case-hardened steel with hex head and cup point to firmly seat in conduit wall for positive ground. Tightening of set screws with pliers is prohibited. f. Sealing fittings: Threaded cast iron type. Use continuous drain-type sealing fittings to prevent passage of water vapor. In concealed work, install fittings in flush steel boxes with blank cover plates having the same finishes as that of other electrical plates in the room.
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 3 ESC, INC. PROJECT 15228 2. Electrical metallic tubing fittings: a. Fittings and conduit bodies shall meet the requirements of UL 514B, ANSI C80.3, and NEMA FB1. b. Only steel or malleable iron materials are acceptable. c. Setscrew couplings and connectors: Use setscrews of case-hardened steel with hex-head and cup point, to firmly seat in wall of conduit for positive grounding. d. Indent-type connectors or couplings are prohibited. e. Die-cast or pressure-cast zinc-alloy fittings or fittings made of "pot metal" are prohibited. 3. Flexible steel conduit fittings: a. Conform to UL 514B. Only steel or malleable iron materials are acceptable. b. Clamp-type, with insulated throat. 4. Liquid-tight flexible metal conduit fittings: a. Fittings shall meet the requirements of UL 514B and NEMA FB1. b. Only steel or malleable iron materials are acceptable. c. Fittings must incorporate a threaded grounding cone, a steel or plastic compression ring, and a gland for tightening. Connectors shall have insulated throats. 5. Direct burial plastic conduit fittings: Fittings shall meet the requirements of UL 514C and NEMA TC3. 6. Surface metal raceway fittings: As recommended by the raceway manufacturer. Include couplings, offsets, elbows, expansion joints, adapters, hold-down straps, end caps, conduit entry fittings, accessories, and other fittings as required for complete system. 7. Expansion and deflection couplings: a. Conform to UL 467 and UL 514B. b. Accommodate a 0.75 in deflection, expansion, or contraction in any direction, and allow 30 degree angular deflections. c. Include internal flexible metal braid, sized to guarantee conduit ground continuity and a low-impedance path for fault currents, in accordance with UL 467 and the NEC tables for equipment grounding conductors. d. Jacket: Flexible, corrosion-resistant, watertight, moisture and heat-resistant molded rubber material with stainless steel jacket clamps. D. Conduit Supports: 1. Parts and hardware: Zinc-coat or provide equivalent corrosion protection.
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 4 ESC, INC. PROJECT 15228 2. Individual Conduit Hangers: Designed for the purpose, having a pre-assembled closure bolt and nut, and provisions for receiving a hanger rod. 3. Multiple conduit (trapeze) hangers: Not less than 1.5 x 1.5 in, 12-gauge steel, cold-formed, lipped channels; with not less than 0.375 in diameter steel hanger rods. 4. Solid Masonry and Concrete Anchors: Self-drilling expansion shields, or machine bolt expansion. E. Outlet, Junction, and Pull Boxes: 1. UL-50 and UL-514A. 2. Cast metal where required by the NEC or shown, and equipped with rustproof boxes. 3. Sheet metal boxes: Galvanized steel, except where otherwise shown. 4. Flush-mounted wall or ceiling boxes shall be installed with raised covers so that the front face of raised cover is flush with the wall. Surface-mounted wall or ceiling boxes shall be installed with surface-style flat or raised covers. F. Wireways: Equip with hinged covers, except where removable covers are shown. Include couplings, offsets, elbows, expansion joints, adapters, hold-down straps, end caps, and other fittings to match and mate with wireways as required for a complete system. PART 3 - EXECUTION 3.1 PENETRATIONS A. Cutting or Holes: 1. Cut holes in advance where they should be placed in the structural elements, such as ribs or beams. Obtain the approval of the Owner and/or Engineer prior to drilling through structural elements. 2. Cut holes through concrete and masonry in new and existing structures with a diamond core drill or concrete saw. Pneumatic hammers, impact electric, hand, or manual hammer-type drills are not allowed, except where permitted by the Owner and/or Engineer as required by limited working space. B. Firestop: Where conduits, wireways, and other electrical raceways pass through fire partitions, fire walls, smoke partitions, or floors, install a fire stop that provides an effective barrier against the spread of fire, smoke and gases. C. Waterproofing: At floor, exterior wall, and roof conduit penetrations, completely seal clearances around the conduit and make watertight. 3.2 INSTALLATION, GENERAL A. In accordance with UL, NEC, as shown, and as specified herein.
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 5 ESC, INC. PROJECT 15228 B. Essential (Emergency) raceway systems shall be entirely independent of other raceway systems, except where shown on drawings. C. Install conduit as follows: 1. In complete mechanically and electrically continuous runs before pulling in cables or wires. 2. Unless otherwise indicated on the drawings or specified herein, installation of all conduits shall be concealed within finished walls, floors, and ceilings. 3. Flattened, dented, or deformed conduit is not permitted. Remove and replace the damaged conduits with new undamaged material. 4. Assure conduit installation does not encroach into the ceiling height head room, walkways, or doorways. 5. Cut square, ream, remove burrs, and draw up tight. 6. Independently support conduit at 8 ft on centers. Do not use other supports, i.e., suspended ceilings, suspended ceiling supporting members, lighting fixtures, conduits, mechanical piping, or mechanical ducts. 7. Support within 12 in of changes of direction, and within 12 in of each enclosure to which connected. 8. Close ends of empty conduit with plugs or caps at the rough-in stage until wires are pulled in, to prevent entry of debris. 9. Conduit installations under fume and vent hoods are prohibited. 10. Secure conduits to cabinets, junction boxes, pull-boxes, and outlet boxes with bonding type locknuts. For rigid and IMC conduit installations, provide a locknut on the inside of the enclosure, made up wrench tight. Do not make conduit connections to junction box covers. 11. Conduit bodies shall only be used for changes in direction, and shall not contain splices. D. Conduit Bends: 1. Make bends with standard conduit bending machines. 2. Conduit hickey may be used for slight offsets and for straightening stubbed out conduits. 3. Bending of conduits with a pipe tee or vise is prohibited. E. Layout and Homeruns: 1. Install conduit with wiring, including homeruns, as shown on drawings. 2. Deviations: Make only where necessary to avoid interferences and only after drawings showing the proposed deviations have been submitted approved by the Owner and/or Engineer.
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 6 ESC, INC. PROJECT 15228 3.3 CONCEALED WORK INSTALLATION A. In Concrete: 1. Conduit: Rigid steel, IMC, or EMT. Do not install EMT in concrete slabs that are in contact with soil, gravel, or vapor barriers. 2. Align and run conduit in direct lines. 3. Install conduit through concrete beams only: a. Where shown on the structural drawings. b. As approved by the Owner and/or Engineer prior to construction, and after submittal of drawing showing location, size, and position of each penetration. 4. Installation of conduit in concrete that is less than 3 in thick is prohibited. a. Conduit outside diameter larger than one-third of the slab thickness is prohibited. b. Space between conduits in slabs: Approximately six conduit diameters apart, and one conduit diameter at conduit crossings. c. Install conduits approximately in the center of the slab so that there will be a minimum of 0.75 in of concrete around the conduits. 5. Make couplings and connections watertight. Use thread compounds that are UL approved conductive type to ensure low resistance ground continuity through the conduits. Tightening setscrews with pliers is prohibited. B. Above Furred or Suspended Ceilings and in Walls: 1. Conduit for conductors above 600 V: Rigid steel. Mixing different types of conduits indiscriminately in the same system is prohibited. 2. Conduit for conductors 600 V and below: Rigid steel, IMC, or EMT. Mixing different types of conduits indiscriminately in the same system is prohibited. 3. Align and run conduit parallel or perpendicular to the building lines. 4. Connect recessed lighting fixtures to conduit runs with maximum 6 ft of flexible metal conduit extending from a junction box to the fixture. 5. Tightening setscrews with pliers is prohibited. 3.4 EXPOSED WORK INSTALLATION A. Conduit for Conductors above 600 V: Rigid steel. Mixing different types of conduits indiscriminately in the system is prohibited. B. Conduit for Conductors 600 V and Below: Rigid steel, IMC or EMT. Mixing different types of conduits indiscriminately in the system is prohibited. C. Align and run conduit parallel or perpendicular to the building lines.
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 7 ESC, INC. PROJECT 15228 D. Install horizontal runs close to the ceiling or beams and secure with conduit straps. E. Support horizontal or vertical runs at not over 8 ft intervals. F. Surface metal raceways: Use only where shown. 3.5 DIRECT BURIAL INSTALLATION A. Refer to Section 260541, UNDERGROUND ELECTRICAL CONSTRUCTION. 3.6 WET OR DAMP LOCATIONS A. Unless otherwise shown, use conduits of rigid steel or IMC. B. Provide sealing fittings to prevent passage of water vapor where conduits pass from warm to cold locations, i.e., refrigerated spaces, constant-temperature rooms, air-conditioned spaces, building exterior walls, roofs, or similar spaces. C. Unless otherwise shown, use rigid steel or IMC conduit within 5 ft of the exterior and below concrete building slabs in contact with soil, gravel, or vapor barriers. Conduit shall be half- lapped with 10 mil PVC tape before installation. After installation, completely recoat or retape any damaged areas of coating. 3.7 MOTORS AND VIBRATING EQUIPMENT A. Use flexible metal conduit for connections to motors and other electrical equipment subject to movement, vibration, misalignment, cramped quarters, or noise transmission. B. Use liquid-tight flexible metal conduit for installation in exterior locations, moisture or humidity laden atmosphere, corrosive atmosphere, water or spray wash-down operations, inside airstream of HVAC units, and locations subject to seepage or dripping of oil, grease, or water. Provide a green equipment grounding conductor with flexible metal conduit. 3.8 EXPANSION JOINTS A. Conduits 3 in and larger that are secured to the building structure on opposite sides of a building expansion joint require expansion and deflection couplings. Install the couplings in accordance with the manufacturer's recommendations. B. Provide conduits smaller than 3 in with junction boxes on both sides of the expansion joint. Connect conduits to junction boxes with sufficient slack of flexible conduit to produce 5 in vertical drop midway between the ends. Flexible conduit shall have a bonding jumper installed. In lieu of this flexible conduit, expansion and deflection couplings as specified above for conduits 15 in and larger are acceptable. C. Install expansion and deflection couplings where shown. 3.9 CONDUIT SUPPORTS, INSTALLATION A. Safe working load shall not exceed one-quarter of proof test load of fastening devices.
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 8 ESC, INC. PROJECT 15228 B. Use pipe straps or individual conduit hangers for supporting individual conduits. C. Support multiple conduit runs with trapeze hangers. Use trapeze hangers that are designed to support a load equal to or greater than the sum of the weights of the conduits, wires, hanger itself, and 200 lbs. Attach each conduit with U-bolts or other approved fasteners. D. Support conduit independently of junction boxes, pull-boxes, fixtures, suspended ceiling T-bars, angle supports, and similar items. E. Fasteners and Supports in Solid Masonry and Concrete: 1. New Construction: Use steel or malleable iron concrete inserts set in place prior to placing the concrete. 2. Existing Construction: a. Steel expansion anchors not less than 0.25 in bolt size and not less than 1.125 in embedment. b. Power set fasteners not less than 0.25 in diameter with depth of penetration not less than 3 in. c. Use vibration and shock-resistant anchors and fasteners for attaching to concrete ceilings. E. Hollow Masonry: Toggle bolts. F. Bolts supported only by plaster or gypsum wallboard are not acceptable. G. Metal Structures: Use machine screw fasteners or other devices specifically designed and approved for the application. H. Attachment by wood plugs, rawl plug, plastic, lead or soft metal anchors, or wood blocking and bolts supported only by plaster is prohibited. I. Chain, wire, or perforated strap shall not be used to support or fasten conduit. J. Spring steel type supports or fasteners are prohibited for all uses except horizontal and vertical supports/fasteners within walls. K. Vertical Supports: Vertical conduit runs shall have riser clamps and supports in accordance with the NEC and as shown. Provide supports for cable and wire with fittings that include internal wedges and retaining collars. 3.10 BOX INSTALLATION A. Boxes for Concealed Conduits: 1. Flush-mounted. 2. Provide raised covers for boxes to suit the wall or ceiling, construction, and finish.
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 9 ESC, INC. PROJECT 15228 B. In addition to boxes shown, install additional boxes where needed to prevent damage to cables and wires during pulling-in operations. C. Remove only knockouts as required and plug unused openings. Use threaded plugs for cast metal boxes and snap-in metal covers for sheet metal boxes. D. Outlet boxes mounted back-to-back in the same wall are prohibited. A minimum 24 in center-to- center lateral spacing shall be maintained between boxes. E. Minimum size of outlet boxes for ground fault interrupter (GFI) receptacles is 4 in square x 2.125 in deep, with device covers for the wall material and thickness involved. F. Stencil or install phenolic nameplates on covers of the boxes identified on riser diagrams. G. On all branch circuit junction box covers, identify the circuits with black marker. - - - E N D - - -
RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS 260533 - 10 ESC, INC. PROJECT 15228 SECTION 262416 - PANELBOARDS
PART 1 - GENERAL 1.1 DESCRIPTION A. This section specifies the furnishing, installation, and connection of low voltage panelboards. 1.2 RELATED WORK A. Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements and items that are common to more than one Section of Division 26. B. Section 260521, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (600 VOLTS AND BELOW): Cables and wiring. C. Section 260526, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS: Requirements for personnel safety and to provide a low impedance path for possible ground fault currents. D. Section 260533, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS: Conduits and outlet boxes. 1.3 QUALITY ASSURANCE A. Refer to Paragraph, QUALIFICATIONS, in Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS. 1.4 SUBMITTALS A. Submit in accordance with Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS. B. Shop Drawings: 1. Sufficient information, shall be clearly presented to determine compliance with drawings and specifications. 2. Include electrical ratings, dimensions, mounting details, materials, wiring diagrams, accessories, and weights of equipment. Complete nameplate data, including manufacturer’s name and catalog number. C. Manuals: 1. When submitting the shop drawings, submit companion copies of complete maintenance and operating manuals, including technical data sheets and wiring diagrams. 2. If changes have been made to the maintenance and operating manuals that were originally submitted, then submit four copies of updated maintenance and operating manuals to the Owner and/or Engineer two weeks prior to final inspection. D. Certification: Two weeks prior to final inspection, submit four copies of the following to the Owner and/or Engineer:
PANELBOARDS 262416 - 1 ESC, INC. PROJECT 15228 1. Certification by the manufacturer that the materials conform to the requirements of the drawings and specifications. 2. Certification by the contractor that the materials have been properly installed, connected, and tested. 1.5 APPLICABLE PUBLICATIONS A. Publications listed below (including amendments, addenda, revisions, supplements, and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by designation only. B. National Electrical Manufacturers Association (NEMA): PB-1-06 ...... Panelboards 250-08 ...... Enclosures for Electrical Equipment (1000V Maximum) C. National Fire Protection Association (NFPA): 70-2005 ...... National Electrical Code (NEC) 70E-2004 ...... Standard for Electrical Life Safety in the Workplace D. Underwriters Laboratories, Inc. (UL): 50-95 ...... Enclosures for Electrical Equipment 67-09 ...... Panelboards 489-09 ...... Molded Case Circuit Breakers and Circuit Breaker Enclosures PART 2 - PRODUCTS 2.1 PANELBOARDS A. Panelboards shall be in accordance with UL, NEMA, NEC, and as shown on the drawings. B. Panelboards shall be standard manufactured products. C. All panelboards shall be hinged “door in door” type with: 1. Interior hinged door with hand-operated latch or latches, as required to provide access only to circuit breaker operating handles, not to energized parts. 2. Outer hinged door shall be securely mounted to the panelboard box with factory bolts, screws, clips, or other fasteners, requiring a tool for entry. Hand-operated latches are not acceptable. 3. Push inner and outer doors shall open left to right. D. All panelboards shall be completely factory-assembled with molded case circuit breakers and integral accessories. E. Panelboards shall have main breaker or main lugs, bus size, voltage, phase, top or bottom feed, and flush or surface mounting as scheduled on the drawings.
PANELBOARDS 262416 - 2 ESC, INC. PROJECT 15228 F. Panelboards shall conform to NEMA PB-1, NEMA AB-1, and UL 67 and have the following features: 1. Non-reduced size copper bus bars with current ratings as shown on the panel schedules, rigidly supported on molded insulators. 2. Bus bar connections to the branch circuit breakers shall be the “distributed phase” or “phase sequence” type. 3. Mechanical lugs furnished with panelboards shall be cast, stamped, or machined metal alloys of sizes suitable for the conductors to which they will be connected. 4. Neutral bus shall be 100% rated, mounted on insulated supports. 5. Grounding bus bar shall be equipped with screws or lugs for the connection of grounding wires. 6. Buses shall be braced for the available short-circuit current. Bracing shall not be less than 10,000 A symmetrical for 120/208 V and 120/240 V panelboards, and 14,000 A symmetrical for 277/480 V panelboards. 7. Branch circuit panelboards shall have buses fabricated for bolt-on type circuit breakers. 8. Protective devices shall be designed so that they can easily be replaced. 9. Where designated on panel schedule "spaces," include all necessary bussing, device support, and connections. Provide blank cover for each space. 10. In two section panelboards, the main bus in each section shall be full size. The first section shall be furnished with subfeed lugs on the line side of main lugs only, or through-feed lugs for main breaker type panelboards, and have cable connections to the second section. Panelboard sections with tapped bus or crossover bus are not acceptable.
2.2 CABINETS AND TRIMS Cabinets: 1. Provide galvanized steel cabinets to house panelboards. Cabinets for outdoor panelboards shall be factory primed and suitably treated with a corrosion-resisting paint finish meeting UL 50 and UL 67. 2. Cabinet enclosure shall not have ventilating openings. 3. Cabinets for panelboards may be of one-piece formed steel or of formed sheet steel with end and side panels welded, riveted, or bolted as required.
PANELBOARDS 262416 - 3 ESC, INC. PROJECT 15228 2.3 MOLDED CASE CIRCUIT BREAKERS FOR PANELBOARDS A. Circuit breakers shall be per UL 489, in accordance with the NEC, as shown on the drawings, and as specified. B. Circuit breakers in panelboards shall be bolt-on type. C. Molded case circuit breakers shall have minimum interrupting rating as required to withstand the available fault current, but not less than: 1. 120/208 V Panelboard: 10,000 A symmetrical. 2. 120/240 V Panelboard: 10,000 A symmetrical. 3. 277/480 V Panelboard: 14,000 A symmetrical. D. Molded case circuit breakers shall have automatic, trip free, non-adjustable, inverse time, and instantaneous magnetic trips for 100 A frame or lower. Magnetic trip shall be adjustable from 3x to 10x for breakers with 600 A frames and higher. E. Breaker features shall be as follows: 1. A rugged, integral housing of molded insulating material. 2. Silver alloy contacts. 3. Arc quenchers and phase barriers for each pole. 4. Quick-make, quick-break, operating mechanisms. 5. A trip element for each pole, thermal magnetic type with long time delay and instantaneous characteristics, a common trip bar for all poles and a single operator. 6. Electrically and mechanically trip free. 7. An operating handle which indicates ON, TRIPPED, and OFF positions. 8. An overload on one pole of a multipole breaker shall automatically cause all the poles of the breaker to open. 9. Ground fault current interrupting breakers, shunt trip breakers, lighting control breakers (including accessories to switch line currents), or other accessory devices or functions shall be provided where indicated. 10. For circuit breakers being added to existing panelboards, coordinate the breaker type with existing panelboards. Modify the panel directory accordingly. 2.4 SURGE SUPPRESSION A. Where shown on drawings, furnish panelboard with integral transient voltage surge suppression device.
PANELBOARDS 262416 - 4 ESC, INC. PROJECT 15228 2.5 SEPARATELY ENCLOSED MOLDED CASE CIRCUIT BREAKERS A. Where separately enclosed molded case circuit breakers are shown on the drawings, provide circuit breakers in accordance with the applicable requirements of those specified for panelboards. B. Enclosures are to be of the NEMA types shown on the drawings. Where the types are not shown, they are to be the NEMA type most suitable for the environmental conditions where the circuit breakers are being installed. PART 3 - EXECUTION 3.1 INSTALLATION A. Installation shall be in accordance with the manufacturer’s instructions, the NEC, as shown on the drawings, and as specified. B. Locate panelboards so that the present and future conduits can be conveniently connected. C. Install a printed schedule of circuits in each panelboard after approval by the Owner and/or Engineer. Schedules shall be printed on the panelboard directory cards, installed in the appropriate panelboards, and incorporate all applicable contract changes. Information shall indicate outlets, lights, devices, or other equipment controlled by each circuit, and the final room numbers served by each circuit. D. Mount the fully-aligned panelboard such that the maximum height of the top circuit breaker above the finished floor shall not exceed 78 in. Mount panelboards that are too high such that the bottom of the cabinets will not be less than 6 in above the finished floor. E. For panelboards located in areas accessible to the public, paint the exposed surfaces of the trims, doors, and boxes with finishes to match surrounding surfaces after the panelboards have been installed.
3.2 ACCEPTANCE CHECKS AND TESTS A. Perform in accordance with the manufacturer's recommendations. Include the following visual and mechanical inspections and electrical tests: 1. Visual and Mechanical Inspection a. Compare equipment nameplate data with specifications and approved shop drawings. b. Inspect physical, electrical, and mechanical condition. c. Verify appropriate anchorage and required area clearances. d. Verify that circuit breaker sizes and types correspond to approved shop drawings. e. To verify tightness of accessible bolted electrical connections, use the calibrated torque- wrench method or perform thermographic survey after energization.
PANELBOARDS 262416 - 5 ESC, INC. PROJECT 15228 f. Clean panelboard. 3.3 FOLLOW-UP VERIFICATION A. Upon completion of acceptance checks, settings, and tests, the contractor shall demonstrate that the panelboards are in good operating condition and properly performing the intended function.
- - - E N D - - -
PANELBOARDS 262416 - 6 ESC, INC. PROJECT 15228 SECTION 262726 - WIRING DEVICES
PART 1 - GENERAL 1.1 DESCRIPTION A. This section specifies the furnishing, installation and connection of wiring devices. 1.2 RELATED WORK A. Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements that are common to more than one section of Division 26. B. Section 260521, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (600 VOLTS AND BELOW): Cables and wiring. C. Section 260526, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS: Requirements for personnel safety and to provide a low impedance path to ground for possible ground fault currents. D. Section 260533, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS: Conduits and outlets boxes. 1.3 QUALITY ASSURANCE A. Refer to Paragraph, QUALIFICATIONS, in Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS. 1.4 SUBMITTALS A. In accordance with Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS, submit the following: B. Shop Drawings: 1. Sufficient information, clearly presented, shall be included to determine compliance with drawings and specifications. 2. Include electrical ratings, dimensions, mounting details, construction materials, grade and termination information. C. Manuals: Two weeks prior to final inspection, deliver four copies of the following to the Resident Engineer: Technical data sheets and information for ordering replacement units. D. Certifications: Two weeks prior to final inspection, submit four copies of the following to the Resident Engineer: Certification by the Contractor that the devices comply with the drawings and specifications, and have been properly installed, aligned, and tested.
WIRING DEVICES 262726 - 1 ESC, INC. PROJECT 15228 1.5 APPLICABLE PUBLICATIONS A. Publications listed below (including amendments, addenda, revisions, supplements and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by basic designation only. B. National Fire Protection Association (NFPA): 70 ...... National Electrical Code (NEC) C. National Electrical Manufacturers Association (NEMA): WD 1 ...... General Color Requirements for Wiring Devices WD 6 ...... Wiring Devices – Dimensional Requirements D. Underwriter’s Laboratories, Inc. (UL): 5 ...... Surface Metal Raceways and Fittings 20 ...... General-Use Snap Switches 231 ...... Power Outlets 467 ...... Grounding and Bonding Equipment 498 ...... Attachment Plugs and Receptacles 943 ...... Ground-Fault Circuit-Interrupters PART 2 - PRODUCTS 2.1 RECEPTACLES A. General: All receptacles shall be listed by Underwriters Laboratories, Inc., and conform to NEMA WD 6. 1. Mounting straps shall be plated steel, with break-off plaster ears and shall include a self- grounding feature. Terminal screws shall be brass, brass plated or a copper alloy metal. 2. Receptacles shall have provisions for back wiring with separate metal clamp type terminals (four min.) and side wiring from four captively held binding screws. B. Duplex Receptacles: Specification-grade, single phase, 20 ampere, 120 volts, 2-pole, 3-wire, and conform to the NEMA 5-20R configuration in NEMA WD 6, Hubbell 5362. 1. Bodies shall be ivory in color. 2. Switched duplex receptacles shall be wired so that only the top receptacle is switched. The remaining receptacle shall be unswitched. 3. Ground Fault Interrupter Duplex Receptacles: Shall be an integral unit, specification-grade, suitable for mounting in a standard outlet box. a. Ground fault interrupter shall consist of a differential current transformer, solid state sensing circuitry and a circuit interrupter switch. Device shall have nominal sensitivity
WIRING DEVICES 262726 - 2 ESC, INC. PROJECT 15228 to ground leakage current of five milliamperes and shall function to interrupt the current supply for any value of ground leakage current above five milliamperes (+ or – 1 milliamp) on the load side of the device. Device shall have a minimum nominal tripping time of 1/30th of a second. C. Receptacles; 20, 30 and 50 ampere, 250 volts: Shall be complete with appropriate cord grip plug. Devices shall meet UL 231. D. Weatherproof Receptacles: Shall consist of a duplex receptacle, mounted in box with a gasketed, weatherproof, cast metal cover plate and cap over each receptacle opening. The cap shall be permanently attached to the cover plate by a spring-hinged flap. The weatherproof integrity shall not be affected when heavy duty specification or hospital grade attachment plug caps are inserted. Cover plates on outlet boxes mounted flush in the wall shall be gasketed to the wall in a watertight manner. E. TVSS Receptacles. Shall comply with NEMA WD 1, NEMA WD 6, UL 498, and UL 1449, with integral TVSS in line to ground, line to neutral, and neutral to ground. 1. TVSS Components: Multiple metal-oxide varistors; with a nominal clamp-level rating of 400 volts and minimum single transient pulse energy dissipation of 240 J, according to IEEE C62.41.2 and IEEE C62.45. 2. Active TVSS Indication: Visual and audible, with light visible in face of device to indicate device is "active" or "no longer in service." F. Cable Reel Receptacles: 1. Reel shall have a heavy-duty spring motor, with self-contained rewind power and non- sparking ratchet assembly, a 4-way roller and adjustable cable stop, and a safety chain. Reel shall lock when desired cable has been payed out, and unlock and retract when cable is pulled to release lock. 2.2 TOGGLE SWITCHES A. Toggle Switches: Shall be totally enclosed tumbler type with bodies of phenolic compound. Toggle handles shall be ivory in color unless otherwise specified. The rocker type switch is not acceptable and will not be approved. 1. Switches installed in hazardous areas shall be explosion proof type in accordance with the NEC and as shown on the drawings. 2. Shall be single unit toggle, butt contact, quiet AC type, heavy-duty general-purpose use with an integral self grounding mounting strap with break-off plasters ears and provisions for back wiring with separate metal wiring clamps and side wiring with captively held binding screws.
WIRING DEVICES 262726 - 3 ESC, INC. PROJECT 15228 3. Ratings: a. 120 volt circuits: 20 amperes at 120-277 volts AC. b. 277 volt circuits: 20 amperes at 120-277 volts AC. 2.3 MANUAL DIMMING CONTROL A. Slide dimmer with on/off control, single-pole or three-way as shown on plans. Faceplates shall be ivory in color unless otherwise specified. B. Manual dimming controls shall be fully compatible with electronic dimming ballasts and approved by the ballast manufacturer, shall operate over full specified dimming range, and shall not degrade the performance or rated life of the electronic dimming ballast and lamp. 2.4 WALL PLATES A. Wall plates for switches and receptacles shall be type 302/304 stainless steel satin finish. Oversize plates are not acceptable. B. Standard NEMA design, so that products of different manufacturers will be interchangeable. Dimensions for openings in wall plates shall be accordance with NEMA WD 6. C. For receptacles or switches mounted adjacent to each other, wall plates shall be common for each group of receptacles or switches. D. Wall plates for data, telephone or other communication outlets shall be as specified in the associated specification. 2.5 SURFACE MULTIPLE-OUTLET ASSEMBLIES A. Assemblies shall conform to the requirements of NFPA 70 and UL 5. B. Shall have the following features: 1. Enclosures: a. Thickness of steel shall be not less than 0.040 inch steel for base and cover. Nominal dimension shall be 1-1/2 by 2-3/4 inches with inside cross sectional area not less than 3.5 square inches. The enclosures shall be thoroughly cleaned, phosphatized and painted at the factory with primer and the manufacturer's standard baked enamel or lacquer finish. 2. Receptacles shall be duplex, specification grade. See paragraph 'RECEPTACLES' in this section. Device cover plates shall be the manufacturer's standard corrosion resistant finish and shall not exceed the dimensions of the enclosure. 3. Unless otherwise shown on drawings, spacing of the receptacles along the strip shall be 24 inches on centers. 4. Wires within the assemblies shall be not less than No. 12 AWG copper, with 600 volt ratings.
WIRING DEVICES 262726 - 4 ESC, INC. PROJECT 15228 5. Installation fittings shall be designed for the strips being installed including bends, offsets, device brackets, inside couplings, wire clips, and elbows. 6. Bond the strips to the conduit systems for their branch supply circuits. PART 3 - EXECUTION 3.1 INSTALLATION A. Installation shall be in accordance with the NEC and as shown as on the drawings. B. Ground terminal of each receptacle shall be bonded to the outlet box with an approved green bonding jumper, and also connected to the green equipment grounding conductor. C. Outlet boxes for light and dimmer switches shall be mounted on the strike side of doors. D. Provide barriers in multigang outlet boxes to separate systems of different voltages, Normal Power and Emergency Power systems, and in compliance with the NEC. E. Coordinate with other work, including painting, electrical boxes and wiring installations, as necessary to interface installation of wiring devices with other work. Coordinate the electrical work with the work of other trades to ensure that wiring device flush outlets are positioned with box openings aligned with the face of the surrounding finish material. Pay special attention to installations in cabinet work, and in connection with laboratory equipment. F. Exact field locations of floors, walls, partitions, doors, windows, and equipment may vary from locations shown on the drawings. Prior to locating sleeves, boxes and chases for roughing-in of conduit and equipment, the Contractor shall coordinate exact field location of the above items with other trades. In addition, check for exact direction of door swings so that local switches are properly located on the strike side. G. Install wall switches 48 inches above floor, OFF position down. H. Install wall dimmers 48 inches above floor; derate ganged dimmers as instructed by manufacturer; do not use common neutral. I. Install convenience receptacles 18 inches above floor, and 6 inches [152mm] above counter backsplash or workbenches. Install specific-use receptacles at heights shown on the drawings. J. Label device plates with a permanent adhesive label listing panel and circuit feeding the wiring device. K. Test wiring devices for damaged conductors, high circuit resistance, poor connections, inadequate fault current path, defective devices, or similar problems using a portable receptacle tester. Correct circuit conditions, remove malfunctioning units and replace with new, and retest as specified above. L. Test GFCI devices for tripping values specified in UL 1436 and UL 943.
WIRING DEVICES 262726 - 5 ESC, INC. PROJECT 15228 - - - E N D - - -
WIRING DEVICES 262726 - 6 ESC, INC. PROJECT 15228
SECTION 263213 - ENGINE GENERATORS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Section includes packaged engine-generator sets for emergency power supply with the following features:
1. Gas engine. 2. Unit-mounted cooling system. 3. Unit-mounted control and monitoring. 4. Performance requirements for sensitive loads. 5. Fuel system. 6. Outdoor enclosure.
B. Related Requirements:
1. Section 263623 – AUTOMATIC TRANSFER SWITCHES for transfer switches including sensors and relays to initiate automatic-starting and -stopping signals for engine-generator sets.
1.3 DEFINITIONS
A. Operational Bandwidth: The total variation from the lowest to highest value of a parameter over the range of conditions indicated, expressed as a percentage of the nominal value of the parameter.
B. GAS: Natural Gas.
C. EPS: Emergency power supply.
D. EPSS: Emergency power supply system.
E. Emergency Power Supply: NEC700, essential for life safety loads. Generator to meet NFPA 110 Level 1.
1.4 ACTION SUBMITTALS
A. Product Data: For each type of product.
1. Include rated capacities, operating characteristics, electrical characteristics, and furnished specialties and accessories. 2. Include thermal damage curve for generator. 3. Include time-current characteristic curves for generator protective device.
ENGINE GENERATORS 263213 - 1 ESC, INC. PROJECT 15228
4. Include fuel consumption in cubic feet per hour at 0.8 power factor at 0.5, 0.75 and 1.0 times generator capacity. 5. Include generator efficiency at 0.8 power factor at 0.5, 0.75 and 1.0 times generator capacity. 6. Include air flow requirements for cooling and combustion air in cfm at 0.8 power factor and rated load. Testing shall be performed per ISO3046 standards. Provide drawings showing requirements and limitations for location of air intake and exhausts. 7. Include generator characteristics, including, but not limited to kw rating, efficiency, reactance, and short-circuit current capability.
B. Shop Drawings:
1. Include plans and elevations for engine-generator set and other components specified. Indicate access requirements affected by height of subbase fuel tank. 2. Include details of equipment assemblies. Indicate dimensions, weights, center of gravity of full assembly, loads, required clearances, method of field assembly, components, and location and size of each field connection. 3. Identify fluid drain ports and clearance requirements for proper fluid drain. 4. Design calculations for selecting vibration isolators and seismic restraints and for designing vibration isolation bases. 5. Vibration Isolation Base Details: Detail fabrication including anchorages and attachments to structure and to supported equipment. Include base weights. 6. Include diagrams for power, signal, and control wiring. Complete schematic, wiring, and interconnection diagrams showing terminal markings for EPS equipment and functional relationship between all electrical components.
1.5 INFORMATIONAL SUBMITTALS
A. Qualification Data:
1. Statement of quality from manufacturer detailing acceptance as an ISO9001 manufacturer.
B. Source quality-control reports, including, but not limited to the following:
1. Certified summary of prototype-unit test report. 2. Certified Test Reports: For components and accessories that are equivalent, but not identical, to those tested on prototype unit. 3. Certified Summary of Performance Tests: Certify compliance with specified requirement to meet performance criteria for sensitive loads. 4. Report of factory test on units to be shipped for this Project, showing evidence of compliance with specified requirements. 5. Report of sound generation. 6. Report of exhaust emissions showing compliance with applicable regulations. 7. Certified Torsional Vibration Compatibility: Comply with NFPA 110.
C. Field quality-control reports.
D. Warranty: For special warranty.
ENGINE GENERATORS 263213 - 2 ESC, INC. PROJECT 15228
1.6 CLOSEOUT SUBMITTALS
A. Operation and Maintenance Data: For packaged engine generators to include in emergency, operation, and maintenance manuals.
1. Include the following:
a. List of tools and replacement items recommended to be stored at Project for ready access. Include part and drawing numbers, current unit prices, and source of supply. b. Operating instructions laminated and mounted adjacent to generator location. c. Training plan.
1.7 QUALITY ASSURANCE
A. Manufacturer Qualifications: Manufacturer accepted as an ISO9001 manufacturer.
B. Installer Qualifications: Manufacturer's authorized representative who is trained and approved by manufacturer.
1.8 WARRANTY
A. Manufacturer's Warranty: Manufacturer agrees to repair or replace components of packaged engine generators and associated auxiliary components that fail in materials or workmanship within specified warranty period.
1. Warranty Period: 2 years from date of Substantial Completion.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Basis-of-Design Product: Subject to compliance with requirements, provide Generac Power Systems, Inc; model SG150 generator set, rated 150KW, 120/240 voltage, single phase, 60 hz comparable product by one of the following:
1. Cummins Industrial
2. Caterpillar Industrial
3. MTU Industrial Katolight
B. Source Limitations: Obtain packaged generator sets and auxiliary components through one source from a single manufacturer. Generator set shall be standard offering from manufacturer. No special ratings will be permitted.
C. Engineering changes resulting from the substitution of another product will be the responsibility of the electrical contractor.
2.2 PERFORMANCE REQUIREMENTS
A. NFPA Compliance:
ENGINE GENERATORS 263213 - 3 ESC, INC. PROJECT 15228
1. Comply with NFPA 37. 2. Comply with NFPA 70. 3. Comply with NFPA 110 requirements for Level 1emergency power supply system.
B. UL Compliance: Comply with UL 2200/CSA.
C. Engine Exhaust Emissions: Comply with EPA Tier requirements and applicable state and local government requirements.
D. Environmental Conditions: Engine-generator system shall withstand the following environmental conditions without mechanical or electrical damage or degradation of performance capability:
1. Ambient Temperature: 5 to 40 deg C for spark-ignited. 2. Relative Humidity: Zero to 95 percent. 3. Altitude: Sea level to 1000 ft
2.3 ASSEMBLY DESCRIPTION
A. Factory-assembled and -tested, water-cooled engine, with brushless generator and accessories.
B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a testing agency acceptable to authorities having jurisdiction, and marked for intended location and application.
C. EPSS Class: Engine-generator set shall be classified as a Class 2 in accordance with NFPA 110.
D. Governor: Adjustable isochronous, with speed sensing.
E. Emissions: Comply with EPA Tier and local requirements for standby generation.
F. Mounting Frame: Structural steel framework to maintain alignment of mounted components without depending on concrete foundation. Provide lifting attachments sized and spaced to prevent deflection of base during lifting and moving.
1. Rigging Diagram: Inscribed on metal plate permanently attached to mounting frame to indicate location and lifting capacity of each lifting attachment and generator-set center of gravity.
G. Capacities and Characteristics:
1. Power Output Ratings: Nominal ratings as indicated at 0.8 power factor excluding power required for the continued and repeated operation of the unit and auxiliaries, with capacity as required to operate as a unit as evidenced by records of prototype testing. 2. Output Connections: Three-phase, three wire. 3. Nameplates: For each major system component to identify manufacturer's name and address, and model and serial number of component. Nameplate shall be in accordance with NFPA70.
H. Generator-Set Performance:
ENGINE GENERATORS 263213 - 4 ESC, INC. PROJECT 15228
1. Oversizing alternator compared with the rated power output of the engine is permissible to meet specified performance.
a. Nameplate Data for Oversized Generator: Show ratings required by the Contract Documents rather than ratings that would normally be applied to generator size installed.
2. Steady-State Voltage Operational Bandwidth: 1 percent of rated output voltage from no load to full load. 3. Transient Voltage Performance: Not more than 20 percent variation for 50 percent step- load increase or decrease. Voltage shall recover and remain within the steady-state operating band within 5 seconds. 4. Steady-State Frequency Operational Bandwidth: Plus or minus 0.25 percent of rated frequency from no load to full load. 5. Steady-State Frequency Stability: When system is operating at any constant load within the rated load, there shall be no random speed variations outside the steady-state operational band and no hunting or surging of speed. 6. Transient Frequency Performance: Less than 5-Hz variation for 50 percent step-load increase or decrease. Frequency shall recover and remain within the steady-state operating band within 5 seconds. 7. Output Waveform: At no load, harmonic content measured line to neutral shall not exceed 2 percent total with no slot ripple. Telephone influence factor, determined according to NEMA MG 1, shall not exceed 50 percent. 8. Sustained Short-Circuit Current: For a three-phase, bolted short circuit at system output terminals, system shall supply a minimum of 300 percent of rated full-load current for not less than 10 seconds and then clear the fault automatically, without damage to winding insulation or other generator system components. 9. Block Load Performance: per NFPA110, the unit shall be able to fully recover from a 100% block load. 10. Excitation System: Performance shall be unaffected by 10% total voltage distortion (THD) caused by nonlinear load.
a. Provide permanent magnet excitation (PMG) for power source to voltage regulator.
11. Start Time: Comply with NFPA 110, Type 10, system requirements.
2.4 ENGINE
A. Fuel: Natural gas.
B. Engine Rating: Prime mover shall have adequate horsepower to meet the specified kW at the specified site altitude and temperatures. Products that de-rate below specified kW for temperature or altitude shall not be accepted.
C. Lubrication System: The following items are mounted on engine or skid:
1. Filter and Strainer: Per manufacturer recommendations. 2. Thermostatic Control Valve: Control flow in system to maintain optimum oil temperature. Unit shall be capable of full flow and is designed to be fail-safe.
ENGINE GENERATORS 263213 - 5 ESC, INC. PROJECT 15228
3. Crankcase Drain: Arranged for complete gravity drainage to an easily removable container with no disassembly and without use of pumps, siphons, special tools, or appliances.
D. Jacket Coolant Heater: Electric-immersion type, factory installed in coolant jacket system. Comply with NFPA 110 requirements for Level 1 equipment for heater capacity.
E. Cooling System: Closed loop, liquid cooled, with radiator factory mounted on engine-generator- set mounting frame and integral engine-driven coolant pump.
1. Coolant: Solution of 50 percent ethylene-glycol-based antifreeze and 50 percent water, with anticorrosion additives as recommended by engine manufacturer. 2. Cooling System Sizing: Sized to adequately cool the generator set, including aftercooler, without de-rate to an ambient temperature of 104 deg F (40 deg C) for gas. Maximum external restriction shall be no greater than 0.5 inch (12.7 mm) of water column. 3. Size of Radiator: Adequate to contain expansion of total system coolant from cold start to 110 percent load condition. 4. Expansion Tank: Constructed of welded steel plate and rated to withstand maximum closed-loop coolant system pressure for engine used. Equip with gage glass and petcock. 5. Temperature Control: Self-contained, thermostatic-control valve modulates coolant flow automatically to maintain optimum constant coolant temperature as recommended by engine manufacturer. 6. Coolant Hose: Flexible assembly with inside surface of nonporous rubber and outer covering of aging-, ultraviolet-, and abrasion-resistant fabric.
a. Rating: 50-psig (345-kPa) maximum working pressure with coolant at 180 deg F (82 deg C), and noncollapsible under vacuum. b. End Fittings: Flanges or steel pipe nipples with clamps to suit piping and equipment connections.
F. Air-Intake Filter: Engine-mounted air cleaner with replaceable dry-filter element.
G. Starting System: 12 -V electric, with negative ground.
1. Components: Sized so they are not damaged during a full engine-cranking cycle with ambient temperature at maximum specified in "Performance Requirements" Article. 2. Cranking Motor: Heavy-duty unit that automatically engages and releases from engine flywheel without binding. 3. Cranking Cycle: As required by NFPA 110 for system level specified. 4. Battery: Lead acid, certified to meet NFPA 110, with capacity within ambient temperature range specified in "Performance Requirements" Article to provide specified cranking cycle at least three times without recharging. 5. Battery Cable: Size as recommended by engine manufacturer for cable length indicated. Include required interconnecting conductors and connection accessories. 6. Battery Compartment: Factory fabricated of metal with acid-resistant finish and thermal insulation. Thermostatically controlled heater shall be arranged to maintain battery above 10 deg C regardless of external ambient temperature within range specified in "Performance Requirements" Article. Include accessories required to support and fasten batteries in place. Provide ventilation to exhaust battery gases. 7. Battery-Charging Alternator: Factory mounted on engine with solid-state voltage regulation and continuous rating adequate for batteries provided.
ENGINE GENERATORS 263213 - 6 ESC, INC. PROJECT 15228
8. Battery Charger: Current-limiting, automatic-equalizing and float-charging type designed for lead-acid batteries. Unit shall comply with UL 1236 and include the following features:
a. Operation: Equalizing-charging rate of 10 A shall be initiated automatically after battery has lost charge until an adjustable equalizing voltage is achieved at battery terminals. Unit shall then be automatically switched to a lower float-charging mode and shall continue to operate in that mode until battery is discharged again. b. Automatic Temperature Compensation: Adjust float and equalize voltages for variations in ambient temperature from minus 40 deg F (minus 40 deg C) to 140 deg F (60 deg C) to prevent overcharging at high temperatures and undercharging at low temperatures. c. Automatic Voltage Regulation: Maintain constant output voltage regardless of input voltage variations up to plus or minus 10 percent. d. Ammeter and Voltmeter: Flush mounted in door. Meters shall indicate charging rates. e. Safety Functions: Sense abnormally low battery voltage and close contacts providing low battery voltage indication on control and monitoring panel. Sense high battery voltage and loss of ac input or dc output of battery charger. Either condition shall close contacts that provide a battery-charger malfunction indication at system control and monitoring panel. f. Enclosure and Mounting: NEMA 250, Type 1, wall-mounted cabinet with adequate vibration isolation if mounted within the generator set. g. Battery chargers mounted within the Automatic Transfer Switch are not acceptable.
2.5 GASEOUS FUEL SYSTEM
A. Natural-Gas Piping: Comply with requirements in Section 231123 FACILITY NATURAL GAS PIPING and with requirements of NFPA 37 and 54.
1. Gas piping is the responsibility of the installing contractor. 2. Gas piping shall be sized to provide adequate fuel to the engine while allowing for no greater than 1 inch (25 mm) water column pressure drop from no load to full load. 3. Natural gas piping will supply pressure to the generator set inlet per manufacturer's recommendations, nominally 11 to 14 inches (279.4 to 356 mm) of water column. 4. Natural gas regulator shall be sized to provide 125 percent of full-load generator set capacity.
B. Gas Train: Comply with NFPA 37.
C. Engine Fuel System:
1. Natural-Gas, Vapor-Withdrawal System:
a. Carburetor. b. Secondary Gas Regulators: One for each fuel type, with atmospheric vents piped to building exterior. c. Fuel-Shutoff Solenoid Valves: NRTL-listed, normally closed, safety shutoff valves; one for each fuel source. d. Fuel Filters: One for each fuel type.
ENGINE GENERATORS 263213 - 7 ESC, INC. PROJECT 15228
e. Manual Fuel Shutoff Valves: One for each fuel type. f. Flexible Fuel Connectors: Minimum one for each fuel connection.
2.6 CONTROL AND MONITORING
A. Automatic Starting System Sequence of Operation: When mode-selector switch on the control and monitoring panel is in the automatic position, remote-control contacts in one or more separate automatic transfer switches initiate starting and stopping of generator set. When mode- selector switch is switched to the manual position, generator set starts. The off position of same switch initiates generator-set shutdown. When generator set is running, specified system or equipment failures or derangements automatically shut down generator set and initiate alarms.
B. Manual Starting System Sequence of Operation: Switching on-off switch on the generator control panel to the manual position starts generator set. The off position of same switch initiates generator-set shutdown. When generator set is running, specified system or equipment failures or derangements automatically shut down generator set and initiate alarms.
C. Provide minimum run time control set for 30 minutes with override only by operation of a remote emergency-stop switch.
D. Comply with UL 508A.
E. Configuration: Operating and safety indications, protective devices, basic system controls, and engine gages shall be grouped in a common control and monitoring panel mounted on the generator set. Mounting method shall isolate the control panel from generator-set vibration. Panel shall be powered from the engine-generator set battery.
1. Engine and generator control wiring shall be multi-stranded annealed copper conductors encased by cross-linked polyethylene insulation resistant to heat, abrasion, oil, water, diesel fuel, and antifreeze. Wiring shall be suitable for continuous use at 250 deg F (121 deg C) with insulation not brittle at minus 60 deg F (minus 51 deg C). Cables shall be enclosed in nylon flexible conduit, which is slotted to allow easy access and moisture to escape.
a. Engines that are equipped with an electronic engine control module (ECM) shall monitor and control engine functionality and seamlessly integrate with the generator set controller through digital communications. ECM monitored parameters shall be integrated into the genset controllers NFPA 110 alarm and warning requirements. b. For engines without ECM functionality or for any additional generator set controller monitoring, sensors are to be conditioned to a 4 to 20 ma signal level to enhance noise immunity and all sensor connections shall be sealed to prevent corrosion.
2. Construction: All circuitry within the control panel shall be individually environmentally sealed to prevent corrosion. Encapsulated circuit boards with surface mounted components and sealed, automotive-style connectors for sensors and circuit board connectors. Enclosed circuit boards and terminal strips that are susceptible to corrosion are not acceptable.
ENGINE GENERATORS 263213 - 8 ESC, INC. PROJECT 15228
3. Custom ladder logic functionality inside the generator controller shall be supported to provide application support flexibility. The ladder logic function shall have access to all the controller inputs and customer assignable outputs.
F. Indicating Devices: As required by NFPA 110 for Level 1 system. All ECM fault codes shall be displayed at the generator set controller in standard language; fault code numbers are not acceptable. Utilizing a digital display, including the following:
1. AC voltage: True three-phase sensing. 2. AC current. 3. Frequency. 4. EPS supplying load indicator. 5. DC voltage (alternator battery charging). 6. Engine-coolant temperature. 7. Engine lubricating-oil pressure. 8. Running-time meter. 9. Current and Potential Transformers: Instrument accuracy class.
G. Protective Devices and Controls in Local Control Panel: Shutdown devices and common visual alarm indication as required by NFPA 110 for Level 1system, including the following:
1. Start-stop switch. 2. Overcrank shutdown device. 3. Overspeed shutdown device. 4. Coolant high-temperature shutdown device. 5. Coolant low-level shutdown device. 6. Low lube oil pressure shutdown device. 7. Overcrank alarm. 8. Overspeed alarm. 9. Coolant high-temperature alarm. 10. Coolant low-temperature alarm. 11. Coolant low-level alarm. 12. Low lube oil pressure alarm. 13. Lamp test. 14. Contacts for local and remote common alarm. 15. Coolant high-temperature prealarm.
16. Generator-voltage; digitally adjustable via controller, password protected. Run-Off- Manual selector switch. 17. Control switch not in automatic position alarm. 18. Low cranking voltage alarm. 19. Battery-charger malfunction alarm. 20. Battery low-voltage alarm. 21. Battery high-voltage alarm. 22. Generator overcurrent protective device not closed alarm.
H. Supporting Items: Include sensors, transducers, terminals, relays, and other devices and include wiring required to support specified items. Locate sensors and other supporting items on engine or generator, unless otherwise indicated. Sensors are to be conditioned to a 4 to 20 mA signal level to enhance noise immunity and all sensor connections shall be sealed to prevent corrosions.
ENGINE GENERATORS 263213 - 9 ESC, INC. PROJECT 15228
I. Connection to Datalink: Provide connections for datalink transmission of indications to remote data terminals via ModBus RS232.
J. Remote Alarm Annunciator: Comply with NFPA 99. An LED labeled with proper alarm conditions shall identify each alarm event, and a common audible signal shall sound for each alarm condition. Silencing switch in face of panel shall silence signal without altering visual indication. Connect so that after an alarm is silenced, clearing of initiating condition will reactivate alarm until silencing switch is reset. Cabinet and faceplate are surface- or flush- mounting type to suit mounting conditions indicated.
1. Overcrank alarm. 2. Coolant low-temperature alarm. 3. High engine temperature prealarm. 4. High engine temperature alarm. 5. Low lube oil pressure alarm. 6. Overspeed alarm. 7. Low fuel main tank alarm. 8. Low coolant level alarm. 9. Low cranking voltage alarm. 10. Contacts for local and remote common alarm. 11. Audible-alarm silencing switch. 12. Control switch not in automatic position alarm. 13. Fuel tank derangement alarm. 14. Fuel tank high-level shutdown of fuel supply alarm. 15. Lamp test. 16. Low cranking voltage alarm. 17. Generator overcurrent protective device not closed.
K. The control system shall provide pre-wired customer use I/O: 4 relay outputs (user definable functions), 4 contact inputs, 2 analog inputs, communications support via RS232, RS485, or an optional modem. Additional I/O must be an available option. Customer I/O shall be software configurable providing full access to all alarm, event, data logging, and shutdown functionality.
L. Supporting Items: Include sensors, transducers, terminals, relays, and other devices and include wiring required to support specified items. Locate sensors and other supporting items on engine or generator, unless otherwise indicated.
M. Maintenance:
1. All engine, voltage regulator, control panel, and accessory units shall be accessible through a single electronic service tool. The following maintenance functionality shall be integral to the generator set controls:
a. Engine running hours. b. Service maintenance interval (running hours, calendar days). c. Engine crank attempt counter. d. Engine successful starts counter. e. 20 events are stored in control panel memory. f. Control panel shall time and date stamp all alarms and warnings. A snap shot of key parameters shall be saved in the control panel for use in troubleshooting alarms.
ENGINE GENERATORS 263213 - 10 ESC, INC. PROJECT 15228
g. A predictive maintenance algorithm will determine the optimal time for maintenance service based on the generator loading and operation.
N. Programmable Cycle Timer: To start and run the generator for a predetermined time. The timer shall use 14 user-programmable sequences that are repeated in a 7-day cycle. Each sequence shall have the following programmable set points:
1. Day of the week. 2. Time of the day start. 3. Duration of cycle. 4. Option to exercise at reduced speed for quiet test mode.
O. Monitoring Software: Provide monitoring software capable of communicating to no less than 15 generator sets. Software shall be connectable via RS232 connection directly on the generator control panel. Software functionality to include:
1. Display generator set operating parameters including necessary pressures and temperatures, electrical output, fuel level. 2. Ability to program custom I/O alarms as well as modify standard alarm settings for applications (password protected). 3. Data logging and trending of up to 15 parameters, user selectable, for testing, troubleshooting, and record keeping. 4. High speed data logging and trending of up to 0.2 millisecond providing sine wave visibility for testing and identification of harmonic distortion levels.
2.7 GENERATOR OVERCURRENT AND FAULT PROTECTION
A. Overcurrent protective devices for the entire EPSS shall be coordinated to optimize selective tripping when a short circuit occurs. Coordination of protective devices shall consider both utility and EPSS as the voltage source.
1. Overcurrent protective devices for the EPSS shall be accessible only to authorized personnel and each located in a separate box per NEC700 separation of circuits.
B. Generator Circuit Breaker: Molded-case, thermal-magnetic type; 80 percent rated; complying with UL 489.
1. Tripping Characteristic: Designed specifically for generator protection. 2. Trip Rating: Matched to generator output rating. 3. Shunt Trip: Connected to trip breaker when generator set is shut down by other protective devices. 4. Mounting: Each circuit breaker installed in separate box in accordance with NEC700 separation of circuits.
C. Generator Protector: Microprocessor-based unit shall continuously monitor current level in each phase of generator output, integrate generator heating effect over time, and predict when thermal damage of alternator will occur. When signaled by generator protector or other generator-set protective devices, a shunt-trip device in the generator disconnect switch shall open the switch to disconnect the generator from load circuits. Protector performs the following functions:
ENGINE GENERATORS 263213 - 11 ESC, INC. PROJECT 15228
1. Initiates a generator overload alarm when generator has operated at an overload equivalent to 110 percent of full-rated load for 60 seconds. Indication for this alarm is integrated with other generator-set malfunction alarms. Contacts shall be available for load shed functions. 2. Under single or three-phase fault conditions, regulates generator to 300 percent of rated full-load current for up to 10 seconds. 3. As overcurrent heating effect on the generator approaches the thermal damage point of the unit, protector switches the excitation system off, opens the generator disconnect device, and shuts down the generator set. 4. Senses clearing of a fault by other overcurrent devices and controls recovery of rated voltage to avoid overshoot.
2.8 GENERATOR, EXCITER, AND VOLTAGE REGULATOR
A. Comply with NEMA MG 1 and UL2200, sized for 248 deg F (120 deg C) temperature rise above ambient at rated load.
B. Drive: Generator shaft shall be directly connected to engine shaft. Exciter shall be rotated integrally with generator rotor.
C. Electrical Insulation: Class H.
D. Stator-Winding Leads: Brought out to terminal box to permit future reconnection for other voltages if required. Provide 12lead alternator.
E. Winding Coils: Skewed to improve sine wave shape and eliminate ripple effects caused by air gaps.
F. Range: Provide broad range of output voltage by adjusting the excitation level.
G. Construction shall prevent mechanical, electrical, and thermal damage due to vibration, overspeed up to 125 percent of rated speed, and heat during operation at 110 percent of rated capacity.
H. Enclosure: Dripproof.
I. Instrument Transformers: Mounted within generator enclosure.
J. Voltage Regulator: Solid-state type on a sealed circuit board, separate from exciter, providing performance as specified and as required by NFPA 110. Must be 3-phase sensing.
1. Voltage Adjustment on Control and Monitoring Panel: Provide plus or minus 5 percent adjustment of output-voltage operating band. 2. Provide anti-hunt provision to stabilize voltage.
K. Strip Heater: Thermostatically controlled unit arranged to maintain stator windings above dew point.
L. Windings: Two-thirds pitch stator winding and fully linked amortisseur winding.
M. Subtransient Reactance: 15 percent, maximum.
ENGINE GENERATORS 263213 - 12 ESC, INC. PROJECT 15228
N. Excitation: Permanent magnet (PMG) type providing 300 percent current output for up to 10 seconds to a downstream breaker selective coordination and improved motor starting.
2.9 OUTDOOR GENERATOR-SET ENCLOSURE
A. Description: OEM Factory manufactured, vandal-resistant, sound-attenuating, weatherproof steel housing, wind resistant up to 100 mph (160 km/h). Multiple panels shall be lockable and provide adequate access to components requiring maintenance. Panel shall be removable by one person without tools. Instruments and control shall be mounted within enclosure.
1. Structural Design and Anchorage: Comply with ASCE 7 for wind loads up to 100 mph (160 km/h) 2. Hinged Doors:
a. Door Panels: With integral stiffeners, and capable of being removed by one person without tools. b. Slip-pin hinges and latches stainless steel with nylon spacers. c. Gasketed for weather and rodent protection. d. Handles to have padlocking provisions.
3. Thermal Insulation: Manufacturer's standard materials and thickness selected in coordination with space heater to maintain winter interior temperature within operating limits required by engine-generator-set components. 4. Muffler Location: Within enclosure. All exhaust piping shall be wrapped for personnel protection and to eliminate excessive heat buildup during generator operation. 5. Assembly Hardware (Nuts and Bolts): Use JS500 and nylon washers to prevent paint deterioration.
B. Sound Attenuation: Factory enclosure, designed to meet the following design criteria:
1. Sound Attenuated Level Two enclosure designed to meet 72 dB(A) in a free field environment. Enclosure shall have intake and discharge hoods, as well as sound insulating foam panels within; designed to meet the acceptable sound level. Foam shall be UL listed for purpose and have a reflective coating allowing for better lighting within the enclosure.
C. Engine Cooling Airflow through Enclosure: Maintain temperature rise of system components within required limits when unit operates at 110 percent of rated load for 2 hours with ambient temperature at top of range specified in system service conditions.
1. Louvers: Fixed-engine, cooling-air inlet and discharge. Storm-proof and drainable louvers prevent entry of rain and snow.
D. Convenience Outlets: Factory wired, GFCI. Arrange for external electrical connection.
2.10 VIBRATION ISOLATION DEVICES
A. Elastomeric Isolator Pads: Oil- and water-resistant elastomer or natural rubber, arranged in single or multiple layers, molded with a nonslip pattern and galvanized-steel baseplates of sufficient stiffness for uniform loading over pad area, and factory cut to sizes that match requirements of supported equipment.
ENGINE GENERATORS 263213 - 13 ESC, INC. PROJECT 15228
2.11 FINISHES
A. Outdoor Enclosures and Components: Electrostatically applied Rhino Coat finish over corrosion-resistant pretreatment and compatible primer.
B. Powdercoated paint surfaces, meeting the following applicable standards:
1. Paint Thickness: More than 2.5 mil per ASTM D 1186.87. 2. Material Hardness: ASTM D 3363-92a. 3. Resistance to Cracking: ASTM D 522-B. 4. Paint Adhesion: ASTM D 3359-B. 5. Resistance to Salt Water Corrosion: ASTM B 117 or ASTM D 1654. 6. Resistance to Humidity: ASTM D 1735 or ASTM D 1654. 7. Impact Resistance: ASTM 2784. 8. UV Protection: SAE J1690.
2.12 SOURCE QUALITY CONTROL
A. Prototype Testing: Factory test engine-generator set using same engine model, constructed of identical or equivalent components and equipped with identical or equivalent accessories.
1. Tests: Comply with NFPA 110, Level 1 Energy Converters and with IEEE 115.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine areas, equipment bases, and conditions, with Installer present, for compliance with requirements for installation and other conditions affecting packaged engine-generator performance.
B. Examine roughing-in for piping systems and electrical connections. Verify actual locations of connections before packaged engine-generator installation.
C. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 PREPARATION
A. Interruption of Existing Electrical Service: Do not interrupt electrical service to facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary electrical service according to requirements indicated:
1. Do not proceed with interruption of electrical service without Construction Manager's written permission.
3.3 INSTALLATION
A. Comply with packaged engine-generator manufacturers' written installation and alignment instructions and with NFPA 110.
B. Equipment Mounting:
ENGINE GENERATORS 263213 - 14 ESC, INC. PROJECT 15228
1. Install packaged engine generators on cast-in-place concrete equipment bases. Comply with requirements for equipment bases and foundations. 2. Coordinate size and location of concrete bases for packaged engine generators. Cast anchor-bolt inserts into bases. Concrete, reinforcement, and formwork requirements are specified with concrete.
C. Install packaged engine-generator to provide access, without removing connections or accessories, for periodic maintenance.
D. Electrical Wiring: Install electrical devices furnished by equipment manufacturers but not specified to be factory mounted.
3.4 CONNECTIONS
A. Piping installation requirements are specified in other Sections. Drawings indicate general arrangement of piping and specialties.
B. Connect fuel, cooling-system, and exhaust-system piping adjacent to packaged engine-generator to allow service and maintenance.
C. Connect engine exhaust pipe to engine with flexible connector.
D. Connect fuel piping to engines with a gate valve and union and flexible connector.
1. Natural-gas piping, valves, and specialties for gas distribution are specified in Section 231123 FACILITY NATURAL GAS PIPING. 2. Install manual shutoff valve in a remote location to isolate natural-gas supply to the generator enclosure. 3. Vent gas pressure regulators outside building a minimum of 60 inches (1500 mm) from building openings.
E. Ground equipment according to Section 260526 "Grounding and Bonding for Electrical Systems."
F. Connect wiring according to Section 260521 LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (600 VOLTS AND BELOW). Provide a minimum of one 90 degree bend in flexible conduit routed to the generator set from a stationary element.
G. Balance single-phase loads to obtain a maximum of 10 percent unbalance between any two phases.
3.5 IDENTIFICATION
A. Identify system components.
B. Install a sign indicating the generator neutral is bonded to the main service neutral at the main service location.
3.6 FIELD QUALITY CONTROL
A. Testing Agency: At the owner's request, the contractor shall engage a qualified, third-party, testing agency to witness tests and inspections.
ENGINE GENERATORS 263213 - 15 ESC, INC. PROJECT 15228
B. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect, test, and adjust components, assemblies, and equipment installations, including connections.
C. Perform tests and inspections.
1. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections.
D. Tests and Inspections:
1. Perform tests recommended by manufacturer and each visual and mechanical inspection and electrical and mechanical test listed in the first two subparagraphs as specified in NETA Acceptance Testing Specification. Certify compliance with test parameters.
a. Visual and Mechanical Inspection
1) Compare equipment nameplate data with drawings and specifications. 2) Inspect physical and mechanical condition. 3) Inspect anchorage, alignment, and grounding. 4) Verify the unit is clean.
b. Electrical and Mechanical Tests
1) Test protective relay devices per manufacturer recommendations. 2) Verify phase rotation, phasing, and synchronized operation as required by the application. 3) Functionally test engine shutdown for low oil pressure, over temperature, overspeed, and other protection features as applicable. 4) Conduct performance test in accordance with NFPA 110. 5) Verify correct functioning of the governor and regulator.
2. NFPA 110 Acceptance Tests: Perform tests required by NFPA 110 that are additional to those specified here including, but not limited to, single-step full-load pickup test. 3. Battery Tests: Equalize charging of battery cells according to manufacturer's written instructions. Record individual cell voltages.
a. Measure charging voltage and voltages between available battery terminals for full-charging and float-charging conditions. Check electrolyte level and specific gravity under both conditions. b. Test for contact integrity of all connectors. Perform an integrity load test and a capacity load test for the battery. c. Verify acceptance of charge for each element of the battery after discharge. d. Verify that measurements are within manufacturer's specifications.
4. Battery-Charger Tests: Verify specified rates of charge for both equalizing and float- charging conditions. 5. System Integrity Tests: Methodically verify proper installation, connection, and integrity of each element of engine-generator system before and during system operation. Check for air, exhaust, and fluid leaks.
ENGINE GENERATORS 263213 - 16 ESC, INC. PROJECT 15228
6. Voltage and Frequency Transient Stability Tests: Use data capture from manufacturer control panel and software to measure voltage and frequency transients for 50 and 100 percent step-load increases and decreases, and verify that performance is as specified.
E. Coordinate tests with tests for transfer switches and run them concurrently.
F. Operational Test: After electrical circuitry has been energized, start units to confirm proper motor rotation and unit operation for generator and associated equipment.
G. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.
H. Remove and replace malfunctioning units and retest as specified above.
I. Retest: Correct deficiencies identified by tests and observations and retest until specified requirements are met.
J. Report results of tests and inspections in writing. Record adjustable relay settings and measured insulation resistances, time delays, and other values and observations. Attach a label or tag to each tested component indicating satisfactory completion of tests.
3.7 MAINTENANCE SERVICE
A. Initial Maintenance Service: Beginning at Substantial Completion, provide 60 months' full maintenance by EGSA Certified employees of manufacturer's designated service organization. Include quarterly exercising to check for proper starting, load transfer, and running under load. Include routine preventive maintenance as recommended by manufacturer and adjusting as required for proper operation. Provide parts and supplies same as those used in the manufacture and installation of original equipment.
3.8 TRAINING
A. A. The equipment supplier shall provide training for the facility operating personnel covering operation and maintenance of the equipment provided. Training date shall be coordinated at the same time as the startup services with the facility owner.
END OF SECTION 263213
ENGINE GENERATORS 263213 - 17 ESC, INC. PROJECT 15228 SECTION 263623 - AUTOMATIC TRANSFER SWITCHES
PART 1 - GENERAL 1.1 DESCRIPTION This section specifies the furnishing, installation, connection, and testing of automatic transfer switches. 1.2 RELATED WORK A. Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements and items that are common to more than one section in Division 26. B. Section 260521, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (600 VOLTS AND BELOW): Cables and wiring. C. Section 260526, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS: Requirements for personal safety and to provide a low impedance path for possible ground fault currents. D. Section 260533, RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS: Raceways for power and control wiring. E. Section 263213, ENGINE GENERATORS: Requirements for normal and emergency power generation. 1.3 QUALITY ASSURANCE A. QUALITY ASSURANCE Refer to Paragraph, QUALIFICATIONS, in Section 260511, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS. 1.4 FACTORY TESTS A. Automatic transfer switches shall be thoroughly tested at the factory to ensure that there are no electrical or mechanical defects. Tests shall be conducted per UL standards. Factory tests shall be certified. The following factory tests shall be performed: 1. Visual inspection to verify that each ATS is as specified. 2. Mechanical test to verify that ATS sections are free of mechanical hindrances. 3. Insulation resistance test to ensure integrity and continuity of entire system. 4. Main switch contact resistance test. 5. Electrical tests to verify complete system electrical operation and to set up time delays and voltage sensing settings. 1.5 SUBMITTALS A. Submit in accordance with Section 260511, REQUIREMENTS FOR ELECTRICAL
AUTOMATIC TRANSFER SWITCHES 263623 - 1 ESC, INC. PROJECT 15228 INSTALLATIONS. B. Shop Drawings: 1. Clearly present sufficient information to determine compliance with drawings and specifications. 2. Include electrical ratings (including withstand), dimensions, weights, mounting details, conduit entry provisions front view, side view, equipment and device arrangement, elementary and interconnection wiring diagrams, factory relay settings, and accessories. 3. Complete nameplate data, including manufacturer's name and catalog number. 4. A copy of the markings that are to appear on the transfer switch when installed. C. Manuals: 1. When submitting the shop drawings, submit companion copies of complete maintenance and operating and maintenance manuals, including technical data sheets, wiring diagrams and information, such as telephone number, fax number and web sites, for ordering replacement parts. 1.6 APPLICABLE PUBLICATIONS A. Publications listed below (including amendments, addenda, revisions, supplements, and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by designation only: B. Institute of Electrical and Electronic Engineers (IEEE): 446-95 ...... Recommended Practice for Design and Maintenance of Emergency and Standby Power Systems C37.90.1-02 ...... Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus C62.41.1-02 ...... Guide on the Surges Environment in Low-Voltage (1000 V and Less) AC Power Circuits C62.41.2 ...... Recommended Practice on Characterization of Surges in Low- Voltage (1000 V and Less) AC Power Circuits C. National Electrical Manufacturers Association (NEMA): 250-03 ...... Enclosure for Electrical Equipment (1000 Volts Maximum) ICS 6-06 ...... Enclosures IC3 4-05 ...... Industrial Control and Systems: Terminal Blocks MG 1-07 ...... Motors and Generators D. National Fire Protection Association (NFPA):
AUTOMATIC TRANSFER SWITCHES 263623 - 2 ESC, INC. PROJECT 15228 70–08 ...... National Electrical Code (NEC) 99-05 ...... Health Care Facilities 110-10 ...... Emergency and Standby Power Systems E. Underwriters Laboratories, Inc. (UL): 50-95 ...... Enclosures for Electrical Equipment 508-99 ...... Industrial Control Equipment 891-05 ...... Dead-Front Switchboards 1008-96 ...... Transfer Switch Equipment PART 2 - PRODUCTS 2.1 AUTOMATIC TRANSFER SWITCH A. General: 1. Comply with UL, NEMA, NEC, ANSI, IEEE, and NFPA. 2. Automatic transfer switches shall be completely factory-assembled and wired such that only external circuit connections are required in the field. 3. Each automatic transfer switch shall be equipped with an integral bypass/isolation switch. 4. Ratings: a. Phases, voltage, ampere rating, poles, and withstand current rating shall be as shown on the drawings. b. Transfer switches are to be rated for continuous duty at specified continuous current rating on 60Hz systems. c. Maximum automatic transfer switch rating: 800 A. 5. Markings: a. Markings shall be in accordance with UL 1008. b. Markings for the additional withstand test specified below shall be included in the nameplate data. 6. Tests: Automatic transfer switches shall be tested in accordance with UL 1008. The contacts of the transfer switch shall not weld during the performance of withstand and closing tests when used with the upstream overcurrent device and available fault current specified. 7. Surge Withstand Test: Transfer switches utilizing solid-state devices in sensing, relaying, operating, or communication equipment or circuits shall comply with IEEE C37.90.1.
AUTOMATIC TRANSFER SWITCHES 263623 - 3 ESC, INC. PROJECT 15228 2.2 SEQUENCE OF OPERATION A. The specified voltage decrease in one or more phases of the normal power source shall initiate the transfer sequence. The automatic transfer switch shall start the engine-generator(s) after a specified time delay to permit override of momentary dips in the normal power source. B. The automatic transfer switch shall transfer the load from normal to emergency source when the frequency and voltage of the engine-generator(s) have attained the specified percent of rated value. C. Engine Start: A voltage decrease, at any automatic transfer switch, in one or more phases of the normal power source to less than the specified value of normal shall start the engine-generator(s) after a specified time delay. D. Retransfer to Normal (All Loads): Automatic transfer switches shall retransfer the load from emergency to normal source upon restoration of normal supply in all phases to the specified percent or more of normal voltage, and after a specified time delay. Should the emergency source fail during this time, the automatic transfer switches shall immediately transfer to the normal source whenever it becomes available. After restoring to normal source, the engine-generator(s) shall continue to run unloaded for a specified interval before shut-down. PART 3 - EXECUTION 3.1 INSTALLATION Install the automatic transfer switch in accordance with the NEC, as shown on the drawings, and as recommended by the manufacturer. 3.2 DEMONSTRATION At the final inspection in the presence of Owner, demonstrate that the complete auxiliary electrical power system operates properly in every respect. Coordinate this demonstration with the demonstration of the engine-generator. - - - E N D - - -
AUTOMATIC TRANSFER SWITCHES 263623 - 4 ESC, INC. PROJECT 15228