Bulk-Liquids Storage Tanks ME- Building Group

SECTION 135100 – BULK-LIQUIDS STORAGE TANKS

PART 1 - GENERAL

0.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 0.2 SUMMARY

A. This Section includes welded-steel reservoirs for storage of process fluids (motor oil and concentrated coolant).

B. Related Sections include the following 1. Division 5 Section "Metal Fabrications" for access ladders. 2. Division 5 Section “Gratings” for leak detection.

0.3 DEFINITIONS

A. Reservoir: Flat-bottomed, cylindrical, storage tank with shell height equal to or less than its diameter.

0.4 PERFORMANCE REQUIREMENTS

A. Structural Performance: Storage tank, including structural reinforcement and foundation, shall be capable of withstanding the effects of dead and live gravity loads.

B. Seismic Performance: Storage tank, including structural reinforcement and foundation, shall be capable of withstanding the effects of earthquake motions determined according to authorities having jurisdiction.

C. Thermal Movements: Storage tank, including structural reinforcement and foundation, shall allow for thermal movements resulting from the following maximum change (range) in ambient and surface temperatures by preventing buckling, opening of joints, overstressing of components, failure of connections, and other detrimental effects. Base engineering calculations on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss. 1. Temperature Change (Range): 0-120 deg F material surfaces.

0.5 SUBMITTALS

A. Product Data: Include rated capacities, accessories, appurtenances, and furnished specialties for each storage tank indicated.

B. LEED Submittals:

of 5 Revision Date: 01/21/14 Project & Bid Package File name: 088ad69145fd3aaa7f0c3b609a14f951.doc

1. Product Data for Credit MR 4: For products having recycled content, manufacturer documentation indicating percentages by weight of postconsumer and preconsumer recycled content. a. Include statement indicating costs for each product having recycled content. 2. Product Data for Credit MR 5: For products and materials to comply with requirements for regional materials, provide documentation indicating location of product or material manufacturing location and the point of extraction, harvest, or recovery for each raw material. a. Include documentation on distance to project, contractor cost for each regional material, and percent by weight that is considered regional.

C. Shop Drawings: Signed and sealed by a qualified professional engineer. Show fabrication and installation details for each surface storage tank, including the following: 1. Tank, roof, and shell openings. 2. Safety railings and ladders. 3. Plans, elevations, sections, details, and attachments to other Work. a. Detail of roof section illustrating components and attachment methods b. Detail of wall section illustrating components and attachment methods c. Detail of transition from roof to wall at perimeter. 4. Structural analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

D. Welding certificates.

E. Qualification Data: For fabricator.

F. Field quality-control test reports.

G. Operation and Maintenance Data

0.6 QUALITY ASSURANCE A. Fabricator Qualifications: Employ a qualified structural engineer to prepare calculations, Shop Drawings, and other structural data for fabrication and erection of storage tanks. 1. Engineering Responsibility: Preparation of data for storage tanks, accessories, specified appurtenances, and concrete supports and foundations, including Shop Drawings, based on testing and engineering analysis of manufacturer's standard units in assemblies similar to those indicated for this Project. B. Structural Welding: Qualify procedures and personnel according to the following: 1. AWS D1.1, "Structural Welding Code--Steel." 2. AWS D1.3, "Structural Welding Code--Sheet Steel." 3. AWS D1.4, "Structural Welding Code--Reinforcing Steel." C. Pipe Welding: Qualify procedures and personnel according to ASME Boiler and Pressure Vessel Code: Section IX, "Welding and Brazing Qualifications." D. Comply with AWWA D100, "Welded Steel Tanks for Water Storage," and AWWA M42, "Steel Water-Storage Tanks," for welded-steel, storage tanks.

PART 2 - PRODUCTS 0.1 WELDED-STEEL TANKS A. Description: Single wall, closed roof, flat bottom, atmospheric, welded-steel plates, bolts, rods, and reinforcing steel; designed and fabricated according to API-650, UL 2080, and NFPA 22. 1. Tanks are to be designed and fabricated within the guidelines of NFPA 30 section 2.2.3.1; which allows the tanks to comply with any one of the listed codes, including UL 142, API 650, API 12 D&F. The tanks do NOT have to comply with all listed codes. NFPA Chapter 66 also applies as it relates to storage of Class IIIB combustible liquids. Tanks to comply with NFPA 30 section 4.2.5.2 Emergency Relief Venting for Fire Exposure for Aboveground Tanks. 2. References to storage of flammable liquids, UL 2080 and NFPA 22 - Water Tanks do not apply. 3. Tanks shall be labeled for compliance with applicable codes. B. Capacities: As indicated on the Drawings. OEM standard sizes shall be used with Owner approval; however, any resultant changes to the layout shall maintain the required NFPA 1 tank clearances and spacing for Class III B liquids. C. Dimensions: As indicated on the Drawings. D. Materials: Compatible with fluids to be stored under open atmospheric conditions. E. Shell Roof: Standard with the manufacturer. F. Access Hatch: Steel, hinged cover, 24 by 24 inches minimum with 4-inch neck and 2-inch downward overlap with hasp and lock, located adjacent to exterior ladder. Hatch G. Shell Sidewall Manholes: One, steel, circular, 24 inches in diameter. H. Tank Vent: Steel pipe with stainless-steel screen, constructed to prevent entrance of insects, birds, and animals. Include pressure-vacuum screened vent or separate pressure-vacuum relief mechanism to maintain clear screen. I. Overflow: Provide top sidewall tank overflow flanged connection and pipe extended 1’-0” above the finished floor with stainless steel screen at the end to prevent entrance of insects. J. Nozzles: Fill, relief return, vent, heater, outlet and level transmitter flanged connections as indicated on the Drawings. K. Couplings with plugs: As indicated on the Drawings. L. Aeration: flanged connection and pipe support structure as indicated on the Drawings. M. Exterior ladder with OSHA compatible safety climbing device. Provide (3) sets of safety harnesses with related attachments. N. For the tank roof, an OSHA compatible fall protection system for worker safety. O. Leak detection: 1” galvanized grating at bottom of tank. P. Grounding of tanks to embedded electrical ground system by Cad welding. Q. Anchor bolt mounting plate assemblies: As noted on the Drawings. R. Engraved “WARNING” plate: As indicated on the Drawings. 0.2 PAINT MATERIALS

A. Paint: Manufacturer’s standard immersion grade paint system for the type of fluids specific to each particular tank. B. Primer: 1. Interior: As required by finish paint system. 2. Exterior: Tank manufacturer’s standard. C. Tank Shell Interior Finish Paint: High solids amine cured epoxy formulated for immersion. 1. Basis-of-Design Product: Sherman-Williams Shelcote II. Subject to compliance with requirements, provide either the named product or a comparable product by ICI Paints or PPG Industries acceptable to the Owner and Architect. D. Tank Shell Exterior Intermediate Paint: Tank fabricator's standard two-component epoxy paint compatible with prime and finish paint. Intermediate coat shall have a slight color contrast with finish coat. E. Tank Shell Exterior Finish Paint: Tank fabricator's standard urethane paint. Color: white.

PART 3 - EXECUTION 0.1 STEEL, STORAGE TANK INSTALLATION A. Erect tank shell, accessories, and appurtenances according to API-650, UL 2080, and NFPA 22. B. Fabricate steel plate sections in the shop. C. Install tank vent four feet from center of roof. D. Install manhole in tank wall near grade. E. “WARNING” plates to be permanently secured and located conspicuously at eye-level. 0.2 CONNECTIONS A. Drawings indicate general arrangement of nozzle, manway and roof hatch orientation to suit user requirements. 0.3 SURFACE PREPARATION OF STEEL TANKS A. Cleaning: After shop fabricating or field erecting tank shell, remove burrs, dirt, and construction debris and repair damaged finishes. Remove weld splatter, sharp edges on weld seams, and scabs and slivers by grinding. Remove weld flux, slag, fins, and laminations. B. Surface Preparation: After cleaning, prepare steel surfaces where shop prime coat has been damaged, according to Specifications listed above for shop cleaning, and remove dust or residue from cleaned surfaces. 1. Comply with the following Structural Steel Painting Council (SSPC) specifications: a. SSPC-SP10 “Near-White Blast Cleaning” 2. Apply primer or first coat of paint to prepared surface same day of cleaning; flash rusting is not acceptable. C. If surface develops rust before prime coat is applied, repeat field surface preparation. 0.4 PAINTING A. Interior coating system shall be compatible with the fluid stored.

B. Shop-Coat Touchup: Apply coatings to cleaned areas and where shop finish has been damaged during shipping, handling, and erection. C. Tank Shell Interior Finish Coats: Apply two coats of interior finish paint at a nominal 10 mils DFT per coat. D. Steel Support Exterior Coats: Apply intermediate paint to a dry film thickness of 2.0 to 3.0 mils. Apply finish paint to a dry film thickness of 2.0 to 3.0 mils. E. Exterior Ladders: Fabricate and with galvanized finish as specified in Division 5 Section “Metal Fabrications.” F. Do not paint if ambient temperature is less than 50 deg F or is expected to drop below 40 deg F in the next 18 hours. Do not paint if temperature of steel surface is higher than 125 deg F. Do not apply paint if surfaces are wet or damp, if precipitation is expected, or if relative humidity will exceed 85 percent. Do not spray paint when wind velocity exceeds 15 mph. Maintain at least a 24-hour waiting period between coats. Provide adequate ventilation in tank during painting to maintain clear atmosphere and provide explosion-proof flood lighting and spot lighting. G. Complete daily painting to allow time for paint to dry before condensation is expected. 0.5 STORAGE TANK APPURTENANCE INSTALLATION A. Provide and install grounding lugs on tank base 2 places for attachment of grounding mat. B. Provide and install an exterior mounted liquid level indicator, compatible with each tank’s process fluid, for visual indication. Indicator to be readable from 100 feet away. 0.6 FIELD QUALITY CONTROL A. Testing: Contractor shall engage a qualified testing agency to perform the following field quality-control testing: 1. Tank Weld Test: Use radiographic method according to applicable codes. Repair failures and retest. 2. Leak Test: Comply with applicable codes. Fill tanks with potable water and test for leaks after installation. Repair leaks and retest until no leaks exist. a. Water will be furnished by Owner. 3. Coating Test: Surface preparation quality prior to painting. Verification of mil thickness after painting. B. Remove malfunctioning units, replace with new units, and retest as specified above. 0.7 CLEANING A. Clean interior and exterior of storage tanks. B. Remove all test water and completely dry interior of tanks.

END OF SECTION