Single Girder Underhung Cranes ME- Building Group

SECTION 146320 – SINGLE GIRDER UNDERHUNG CRANES

PART 1 - GENERAL

0.1 SUMMARY

A. This Section includes the following: 1. Runways for bridge cranes. 2. Hoists. 3. Bridge cranes 4. Electrical components and installation. 5. Radio remote controls. 6. Pendant. 7. Patented track cranes and monorails. 8. Hook

B. Related Sections include the following: 1. Division 5 Section “Metal Fabrications.” 2. Division 26 Section “Common Work Results for Electrical.” 3. Division 26 Section “Medium-Voltage Cables.” 4. Section 16443: Motor Control Centers 5. SMI – 101: Safety Inspection of Cranes, Wire Rope (cables) and Slings. 6. SMI – 146: Safety Inspection of Overhead Hoists 7. ETI – 103: Supplier Regulated Substance Certification Report. (http://endeavor.tcc.chrysler.com:83/)

C. Scope of Work: 1. Furnish all labor, materials and equipment required to design, furnish, fabricate, deliver, install, and operationally test underhung cranes, each with in-running hoist-trolley, related components, and runway as shown on the Drawings and as specified herein. 2. Crane Requirements: User to define the crane criteria: a. Service: Class A, B, C, D, E or F Class A: Standby or Infrequent Use b. Capacity: XX tons Class B: Light Service c. Span: See drawings. Class C: Moderate Service d. Lift: See drawings. Class D: Heavy Service e. Speed - Main Hoist (two-speed lift): XX/X FPM Class E: Severe Service f. Speed - Trolley and Bridge (two speed): XX/XX FPM Class F: Continuous Sever Service (All speeds are approximate maximums) Specify Lift Speed g. Runway track: I Beam or Patented track Specify Movement Speed h. Runway length: See drawings. Specify pendant or remote control or i. Control: Pendant or Remote Control or Both both - Delete this text box j. Environment: Indoor 3. Refer to Drawings for additional requirements such as hook approach to girder ends, location of mainline electrification system, and other related criteria. 4. Crane girders shall provide clear space from ends to any obstruction of 3 inches minimum. Provide a minimum clearance of 3 inches between the highest point of the crane and the lowest overhead obstruction and between the lowest point of the crane and the highest fixed obstruction.

of 9 Revision Date: 01/21/14 Project & Bid Package File name: 02c9f71b37a04d89fa357bcffc6879ad.doc

0.2 SUBMITTALS

A. Proposal Data: 1. General arrangement drawing showing all of the main features of the crane and hoist; include clearances, lift, speeds, electrification system, hook approaches to sides and ends, maximum wheel loads (without impact) and wheelbase of end trucks. 2. Descriptive literature showing all major crane components such as hoist, trolley, electrification system, drives, controls, as well as crane features.

B. Shop Drawings And Product Data: 1. Prepare and submit certified shop drawings, per the requirements of the Contract Documents. Submit to Architect-Engineer for review and approval. 2. Show the general arrangement of components, clearances, principal dimensions, details of structural connections, electrification details, electrical wiring diagrams, and details of all components. Manufacturer's standard catalog cuts will suffice for items of standard manufacture. a. Bolting or welding to the building structure will not be accepted. b. The use of pre-manufactured clamps will not be accepted. c. Provide engineered ‘sandwich’ clamps for all crane attachments to the building structure. 3. Submit design calculations with shop drawings, verifying size of structural members, trolley and bridge drives and such other descriptive data as may be required to properly and conclusively indicate conformance with the requirements. No drawings will be considered for approval if its approval is dependent upon facts or items not previously approved. 4. Provide separate shop drawings for erection; show details for connection of all components. 5. The Architect-Engineer's acceptance will cover the equipment general arrangement only. Any errors in design or details shall remain the responsibility of the Contractor.

C. Operation And Maintenance Manuals: Submit three copies to the Owner's Representative. Manuals shall be delivered after installation and load test of each crane. 1. Service manuals shall contain complete operation and maintenance information including the following: a. Equipment designation and serial numbers. b. Equipment weights and the weights of major components. c. Full instructions for installing, operating and maintaining equipment, including board level schematics of the drive control system. d. Repair parts lists and drawings including O.E.M. part numbers for commercial parts. e. Schematic, wiring, lubrication, hydraulic, air and piping diagrams with sequence of operation.

0.3 QUALITY ASSURANCE

A. Reference Standards: 1. American National Standards Institute (ANSI) a. B.30.11.0, "Monorail Systems and Underhung Cranes". b. HST-4M-1985, Performance Standard for Overhead Electric Wire Rope Hoists c. MH27.1-1981, Specifications for Underhung Cranes and Monorail Systems d. 70-1987, National Electric Code Page 2 of 9 Revision Date: 01/21/14 Project & Bid Package File name: 02c9f71b37a04d89fa357bcffc6879ad.doc

2. American Society of Mechanical Engineers (ASME) - B30.11-1980, Safety Code for Monorails and Underhung Cranes 3. Crane Manufacturers Association of America, Inc. (CMAA) - No. 74-1987, Specifications for Top Running and Under Running Single Girder Electric Overhead Traveling Cranes 4. Occupational Health and Safety Act, 1910.179, "Regulations for Industrial Establishments". 5. Occupational Safety and Health Act 1910.179, Overhead Cranes.

B. Requirements Of Regulatory Agencies: Provide materials and equipment and execute the Work, including test and inspections, per applicable provisions of federal, state and local government laws and ordinances and referenced codes and standards. Governing laws, ordinances, codes, and standards constitute minimum requirements. All components shall conform to the applicable requirements of the Underwriters Laboratories, state and Federal governments.

C. Source Quality Control: Materials and equipment shall be the products of manufacturers regularly engaged in the manufacture of such products, shall essentially duplicate equipment that has been in satisfactory service at least 2 years prior to issue date of this contract and shall be supported by a service organization that is reasonably convenient to the site. 1. Single Source Responsibility: Obtain each type of hardware (Header Steel, Bridges, Runways, Hoists, Hangers, etc.) from a single supplier.

D. Safety Factor Of Materials: Load carrying parts shall be so designed that the calculated static stress in the material, based on full rated load, shall not exceed 20 percent of the assumed average ultimate strength of the material used.

0.4 PROTECTION

A. Securely crib and brace crane components to prevent damage in shipment.

B. Weather Protect all applicable components.

0.5 WARRANTY

A. The Vendor shall guarantee the machinery and/or equipment, regardless of final inspection and acceptance, against defective workmanship, design or material for two years from date of acceptance of the work.

B. Upon written notice of any such defects, the Vendor will promptly, at his own expense, make good such defects. Any other work affected, including work of subcontractors, in making good such defects must also be made good by the Vendor at his own expense.

0.6 OWNER'S INSTRUCTIONS

A. Training shall be in accordance with the "Chrysler Corporation Equipment Supplier Training Specifications" dated February 26, 1990. Verify Quantity B. Population to be Trained: XX of trainees with end user 0.7 MAINTENANCE

A. Spare Parts: Bid price is to include one year spare parts, based on estimated usage. List of spare parts to be furnished prior to award. Example: (Shoes/Brake Coils/Fuse Set).

PART 2 - PRODUCTS

0.1 MATERIALS AND FABRICATION

A. Motors: Electric motors shall be totally enclosed, with anti-friction bearings, designed specifically for crane and hoist service. Motors shall be 60 minute duty rated, with Class F insulation and maximum temperature rise per latest NEMA standards for the class of insulation enclosure specified. Two speed motors shall be squirrel cage.

B. Controls: 1. Full magnetic type, reversing, with protection per NEMA Standards. 2. Controls shall provide the speeds and operation requirements as specified. Contactors shall be minimum Size No. 1. Control wiring shall not exceed 120 volts. 3. Control voltage shall be 120 volts, single phase, 60 Hertz. All controls shall include provisions for remote operation of disconnect switch. 4. Include features to provide a cushioned start.

C. Remote Control: 1. Radio control system to have digital characteristics and solid state fail-safe electronics control circuits on remote control devices and to be micro-computer based. 2. Furnish and install control of motors as well as power on/off. Motions to stop automatically when receiver is out of range of control transmitter. 3. No electrical interference or extraneous signal from within or without facility to result in unsafe operation of system. 4. System to give positive operation under every condition of temperature, humidity and vibration encountered in facility. System shall be designed to have long service life, commensurate with service life of cranes. 5. Transmitter shall be push button style completely self-contained. No wires or antennas to be externally attached to transmitter. Battery packs to be self-contained. Furnish and install a keyed on/off switch to prevent actuation of transmitter if key is not in on position. Key must be removable. 6. Receiver to be capable of receiving several commands at a time so every motion may be operated simultaneously. (HBC, Catron, Telemotive, Control Chief) 7. Electronic circuits to be fabricated in module form and be readily replaceable.

D. Pendant: 1. Suspend pendant from a strain cable attached to the hoist-trolley assembly. 2. Suspend pendant station so that the top of the station is 4'-0" above the First Floor. For upper crane (a) to operate at the Mezzanine level, provide method of securely coiling pendant and strain cable so that control is 4' above Mezzanine floor when so operated. 3. Pendant pushbutton station for electrically operated crane shall be of the deadman type and have controls for remote operation of crane mainline disconnect switch and on-off buttons. Ergonomic designed push button station fits hand for thumb. 4. Construct pendant enclosure to prevent electrical shock, and clearly mark for identification of functions.

E. Mainline Disconnect Switch: Provide a fused disconnect switch mounted on the bridge crane near the mainline conductors. The switch shall be of the enclosed type, EEMAC 12, with provisions for locking in the open position.

F. Limit Switches: Equip hoist with load block actuated limit switch with contacts arranged to open the control circuit to prevent over travel in the upward position. Also, provide adjustable geared upper and lower limit switch.

G. Electrification System: Refer to the Drawings for location of the mainline conductor system. Furnish conductor system complete, including conductors, safety sheaths, hanger brackets designed for welding to the runway girders, insulation, in-feed section, end caps, attachment devices, and other components for a complete system. System shall be constructed of material having sufficient continuous duty ampere rating for the cranes total horsepower. Bridge cross conductors may be manufacturer's standard provided they are of the enclosed safety type. Furnish current collectors for the mainline system specifically designed for the conductors proposed.

H. Electrical Requirements: Wire the crane in rigid galvanized conduit, per the latest issue of the Canadian Electrical Code. Locate or enclose electrical components so that live parts will not be exposed to accidental contact under normal operating conditions, also, protect them from grease, oil and dirt. Effectively ground all electrical components to the crane structure.

I. Brakes: 1. Equip hoist with an electrically operated brake arranged to automatically set when current is interrupted. The brake shall be located outboard of the reducer on the high speed pinion shaft. The rated torque of the brake shall not be less than 150 percent of the full load torque of the motor. The hoist shall also be equipped with brake designed to control the speed of raising and lowering under all conditions of loading. 2. Equip bridge and trolley drives with adjustable automatic half torque brakes.

J. Bridge: Construct the bridge of structural members, constructed from structural shapes, or of other members, designed for the crane capacity, span and headroom conditions. Design the bridge to carry the full rated load without undue lateral deflection, or vertical deflection in excess of 1/600th of the span. Provide dual end bridge drives for each end truck.

K. End Trucks: Construct end trucks of welded steel, reinforced by gusset plates and stiffeners. Construct end truck wheels of steel with treads accurately machined or ground to size. Provisions shall be included to prevent excessive drop in case of axle or wheel failure. Wheelbase of end trucks shall be a minimum of 1/8th of the crane span.

L. Bumpers: Bumpers shall be capable of stopping crane (not including lifted load) at rate of deceleration not to exceed 3 feet per second, per second, when traveling in either direction at 20 percent of rated speed, and have sufficient energy absorbing capacity to stop crane when traveling at 40 percent of rated speed. Mount bumpers so there is no direct shear on bolts. Design and install the bumpers to minimize parts falling from crane in case of breakage.

M. Trolley: Four wheel plate type, complete with integral motor drive, and equipped for lug mounting to hoist.

N. Hoist: Hoist shall be wire rope type, lug mounted to the trolley. Hoist shall be H3 design, per HMI 100-74. Hoist cable drum, hoist motor, all gearing, bearings and brakes shall be completely assembled within a common fully enclosed system.

O. Hoist Cable: Construct cable of extra flexible steel wire, with hemp center, made especially for hoisting service. The rated load divided by the number of parts of rope shall not exceed 20 percent of the nominal breaking strength of the rope. Attach the rope ends to the hoist in a manner that will prevent disengagement throughout rated hook travel.

P. Hook: 1. Construct hook of forged steel, normalized and tempered, 360 degree swivel, with safety latch, carried on antifriction thrust bearings. 2. Hook shall have sufficient ductility to open noticeably before hook failure under load. 3. Hook shall be retained in the housing by positively secured lock nuts, collars, hook nuts keyed to a hook shank by means of a set screw, or other suitable devices which will prevent hook from working loose.

Q. Lubrication: 1. Hoist gear drives shall operate in an oil bath, completely enclosed. 2. Bridge and trolley shall be permanently lubricated with sealed bearings. 3. Provide and be responsible for the proper lubrication of bearings and gear boxes prior to start-up and testing of equipment.

R. Runway: 1. Fabricate beams from rolled sections of the sizes to span to supports as shown on Drawings, with natural camber up. Provide straight members without camber of more than 1/8 inch for every 10 feet of span, except provide special camber as required. Provide double angle type connections for beams, and, in all cases, sufficient to develop not less than 75 percent of the total maximum uniform load on shapes and spans of members in conformance with the latest edition of the American Institute of Steel Construction. a. Furnish bolts, nuts, and washers per ASTM A 325. Furnish each type and size of bolt and nut of same manufacturer and of same lot. b. Welding electrodes: Shielded Metal Arc Welding, E70 Series per AWS A5.1 or A5.5; Submerged Arc Welding, flux and electrodes per AWS A5.17; Gas Metal Arc Welding, solid electrodes per AWS A5.18; Flux Cored Arc Welding, per AWS A5.20. 2. The allowable stress in the lower load carrying (tension) flange shall be 20% of the ultimate strength of the material used. Design track to limit deflection to not more than 1/450 of the span. 3. Furnish all members true to length, to permit assembling without excessive use of fillers. Join and assemble members without sharp projections, serrated edges, sharp edges, or sharp corners at joints. Do all coping, blocking, mitering, grinding and easing of edges with care. Furnish all members free from twists, bends, distortions and open joints. Mark all pieces with an identifying number or symbol, same as used to identify pieces on the shop drawings, prior to shipment to site. 4. Provide end stops for crane runway capable of withstanding the impact of a fully loaded crane traveling at a normal walking speed, or at 50% of the rated full load speed, if the crane is motor driven. Securely bolt stops to the bottom flange of the track; to contact the crane end truck with no undue stress on the wheels, wheel bearings, or axles.

0.2 PAINTING AND MARKING

A. Furnish all portions of the Work, except machined surfaces, to the project site prime and finish painted. Select primers specifically for the material to be coated. Finish paint shall be gloss enamel, compatible with prime coat, basic color as selected by the Owner. Brackets to be Chrysler Blue. Paint physical hazards per ANSI Standard Safety Color Code.

B. Labeling: 1. Hoists, cranes, and hooks: a. Securely attach to each primary component, a plate stating manufacturer's name or trademark, address, and catalog number. b. Plainly mark rated load of each component, clearly legible from loading position per SMI 101

C. Prepare surfaces and apply materials per material manufacturer's printed instructions. The finished Work shall be free from skips, runs or other imperfections.

0.3 SHOP ASSEMBLIES AND TESTING

A. Completely assemble the crane, including piping and wiring in the crane manufacturer's shop. Test all systems and components to verify proper functioning of the entire crane system.

B. Ship all unit assemblies completely piped and wired. Tag or otherwise identify piping and wiring between assemblies, which are disconnected for shipment, to facilitate reassembly at the site. Provide all components required for field assembly.

PART 3 - EXECUTION

0.1 INSTALLATION

A. Installation shall include unloading, receiving, storing, relocating, handling, uncrating, inspecting, checking, cleaning, assembling, rigging, installing, testing and adjusting all materials and equipment, that are furnished as part of this Work, in its proper location as indicated or specified herein, complete with ancillary items, in satisfactory operational condition.

B. Perform the Work in a manner to preclude damage to materials, equipment and building facilities. Move equipment without dismantling, where this is not possible, final location, under the direction of the manufacturer's authorized representative.

C. The means employed for doing the various classes of work shall be at the option of the Contractor and shall be subject to all requirements of the Contract Documents.

D. Protect all materials and equipment from the elements, deleterious substances and other damage from the time it is removed, from the point of receipt or storage until acceptance by the Owner.

E. Assemble and install the crane and mainline electrification system in strict accordance with the manufacturer's instructions.

F. Erect crane runways complete with all beams, bracing, crane stops, and other required components as indicated or required. Erect and install all members accurately to the lines and elevations shown. Unless otherwise shown, erect all members level. Unless otherwise noted, make field connections with high strength bolts. Where so noted, and where bolted connections cannot be used, provide welded connections. Do not use both bolts and welds in any one connection. Do not make connections until the members have been aligned properly.

G. Provide crane stops on beams where and as shown.

H. Provide tight-fitted joints between beam sections and secure joints with joint bars on each side of beam, bolted together through beam with specified bolts, nuts and spring washers. Surfaces of crane beams shall be flush at all joints. Do not weld crane beam splice joints.

I. Center-to-center of crane beams shall not exceed plus or minus 1/4 inch from indicated dimension. Crane beam horizontal misalignment shall not exceed 1/4 inch per 50 feet of runway with a maximum of 1/2 inch total deviation. Vertical misalignment between crane beams and along a crane beam measured at centerlines of columns shall not exceed 1/4 inch per 50 feet of runway with a maximum of 1/2 inch total deviation.

0.2 TESTING AND ACCEPTANCE

A. Perform tests and inspections and prepare test reports. 1. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections, and to assist in testing. 2. Provide all labor, supervision, slings materials, and certified weights required for testing. a. Labor and materials for testing shall include slings, equipment, chokers, test weights, associated components and services. 3. Measure and record lifting, lowering, braking, and trolley travel speeds. 4. Record all tests and submit four copies to the Owner.

B. Tests and Inspections: 1. Test hoist inching devices with test load on hook of 125 percent of rated load. 2. Test hoist deflections and demonstrate free unbinding operation of end truck wheels with runway tracks, and trolley wheels with bridge beam. 3. Test horizontal travel speeds of trolley hoists with under no-load and a load on hook of 125 percent rated load. 4. Test end stops with Crane traveling at 40 percent of rated speed with hoist hook loaded to 125 percent rated load. 5. With 125 percent of rated load to determine: a. Upper and lower limit switches. b. Holding security of braking systems. c. Capacity to withstand proof test loading without damage. d. Ability of hoist to conform to ANSI/NEMA MG 1 and ICS 1 for temperature rise in hoist motors, trolley motors, and controls.

C. After tests make adjustments and corrections, to satisfaction of Owner/Owner’s Representative. 1. Rough and noisy operation, poor and unsafe response to controls, failure to comply with travel speeds and failure of parts shall be cause for rejection.

D. Adjusting and Cleaning: After completing testing procedures. Page 8 of 9 Revision Date: 01/21/14 Project & Bid Package File name: 02c9f71b37a04d89fa357bcffc6879ad.doc

1. After completing testing procedures: a. Adjust runways to level, parallel, and proper alignment. This includes changes made to existing runways. b. Repair factory finished surfaces, which are marred, abraded, or otherwise damaged with materials matching factory finish.

END OF SECTION