ITB-2019-0502_Revised_Section_14620_Hoists_and_Cranes_7.17.19.pdf

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SECTION 14620

HOISTS AND CRANES

PART 1 GENERAL

1.01 Section Includes

A. Cranes, Hoists and Lifts of the Following Types:

1. Free standing work stations bridge cranes. Monorail System

1.02 Related Sections

A. Section 03300 - Cast-in-Place Concrete 05400 Cold-Formed Metal Framing.

1.03 References

A. American Institute of Steel Construction (AISC) - Manual of Steel Construction, Part 5, Specification for Structural Joints Using ASTM A325 or ASTM A490 Bolts.

B. American National Standards Institute (ANSI):ANSI B30.11 - Monorails and Underhung Cranes.

C. ASTM International (ASTM):

1. ASTM A36 - Carbon Structural Steel.

2. ASTM A325 - Structural Bolts, Steel, Heat Treated, 120/150 ksi

Minimum Tensile Strength.

3. ASTM A490 - Structural Bolts, Alloy Steel, Heat Treated, 150 ksi

Minimum Tensile Strength.

D. American Society for Testing and Materials (ASTM) B221 - Aluminum-Alloy Extruded Bar, Rod, Wire, Shape, and Tube.

E. American Welding Society (AWS) D1.1 - Structural Welding Code.

F. Occupational Safety and Health Administration (OSHA) - Specification 1910.179 - Overhead and Gantry Cranes.

1.04 Submittals

A. Submit under provisions of Section 01300 - Submittals.

B. Product Data: Manufacturer's data sheets on each product to be used, including:

1. Describe capacities, performance, operation, and applied forces to foundation.

2. Preparation instructions and recommendations.

3. Storage and handling requirements and recommendations.

4. Installation methods.

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C. Shop Drawings:

1. Shop drawings showing configuration, dimensions, service area, and construction and installation details.

1.05 Quality Assurance

A. Manufacturer Qualifications: Company specializing in designing and manufacturing cranes with 25 years successful experience.

B. Installer Qualifications: Company experienced in assembly and installation of cranes with 5 years successful experience and acceptable to crane manufacturer.

1. Perform welding by certified operators in accordance with AWS D14.1.

2. Bolted connections shall be in accordance with torque tightening procedures specified in AISC Manual, Part 5.

3. Clearly label crane with rated load capacity. Place label at height and location easily read from floor level and loading position.

1.06 Delivery, Storage, and Handling

A. Store products in manufacturer's unopened packaging until ready for installation.

B. Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.

1.07 Project Conditions

A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.

1.08 Warranty

A. Manufacturer's Warranty: On manufacturer's standard form, in which manufacturer agrees to repair or replace assemblies and components that fail in materials and workmanship within warranty period from date of Substantial Completion.

1. 5 years or 10,000 hours warranty for manual push-pull work station monorail crane, jib crane, and gantry crane products to cover defects in materials and workmanship.

2. 2 years or 4,000 hours warranty for motorized tractor products.

PART 2 PRODUCTS

2.01 Manufacturers

A. Basis of Design Manufacturer: Gorbel Inc., which is located at: 600 Fishers Run;

Fishers, NY 14453; Toll Free Tel: 800-821-0086; Tel: 585-924-6262; Fax: 800-828- 1808; Email:request info (info@gorbel.com);

http://admin.arcat.com/users.pl?action=UserEmail&company=Gorbel+Inc.&coid=43076&rep=&fax=800-828-1808&message=RE:%20Spec%20Question%20(14600gor):%20%20&mf=

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Web:www.gorbel.com/Solutions/architectsandengineers.aspx Basis of Design Manufacturer: ACI Hoists. Model HCH-1214 with HCH-040 and GT-040-S. Manufacturer is located at 689 SW 7th Terrace, Dania Beach, Fl 33004; Tel: 954-367-6116; Email: info@acihoist.com

B. Substitutions: Require prior written approval.

2.02 Bridge Cranes Monorail

A. Performance:

1. Crane shall provide coverage of rectangular area of size indicated on

Drawings and consist of:

a. Support structure requiring only primary structural support without longitudinal or lateral bracing.

b. Rigid, single girder bridge moving perpendicular to runways or monorail. Double girder bridges and ones with articulating or threaded connections are not acceptable.

2. Modular, pre-engineered design: Crane system shall be capable of expansion, disassembly and relocation, and accepting additional or multiple mixed capacity bridges.

a. 2. Crane shall be designed, fabricated, and installed in accordance with ANSI B30.11, and OSHA 1910.179.

3. Productivity ratio: Crane shall be designed to manually move load with maximum force of 1/100 load weight.

4. Runway and bridge track: Enclosed type limiting dust and dirt collection on rolling surfaces with maximum deflection of 1/450 span based on capacity plus 15 percent for lifting device weight.

5.4. Crane operating temperature: 5 to 200 degrees F (-15 to 93 C).

6 5. Crane shall be designed to withstand:

a. Structural design shall include full rated load capacity plus 15 percent for hoist and trolley weight and 25 percent impact factor for speed of lifting device and weight of tooling.

b. Crane and hoist dead load.

c. Live load capacity equal to 2 tons.

c. Live load capacity equal to net rated hook load: 250 pounds (113 kg).

d. Live load capacity equal to net rated hook load: 500 pounds (227 kg).

e. Live load capacity equal to net rated hook load: 1000 pounds (454 kg).

f. Live load capacity equal to net rated hook load: 2000 pounds (908 kg).

g. Live load capacity equal to net rated hook load: 4000 pounds (1816 kg).

h.d. Inertia forces from crane and load movement.

B. Monorail Free Standing Bridge Crane System: Monorail Work station, bridge crane system with W-shaped beam support structurefree standing support structure, onetwo runways, bridge moving perpendicular to runways, and equipped with enclosed track, end trucks, hand chain hoist trolley, geared trolley, festooning system, bumpers, and other accessories.

1. Acceptable Manufacturer and Model:

http://www.gorbel.com/Solutions/architectsandengineers.aspx

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a. Model HCH-1214 with HCH-040 chain hoist and GT-040-S gear trolly as manufacturered by ACI Hoist Model GLCSLX-FS: Cranes with trussed steel runways supported at 30 feet (9.1 m) maximum as manufactured by Gorbel Inc or Engineer Approved Equal.

2. Construction: Fabricated from ASTM A36 steel sections with finished ends and surfaces.

3. Support structure: Support crane runways with frames consisting of two columns and horizontal header.

a. Columns: Square tubes with bottom base plate and top header plate.

b. Header: Fabricated from two back-to-back channels spaced apart and joined with welded end plates. Provide clamp plates, threaded rods, lock washers, and hex nuts for attaching header to column.

c. Hanger assemblies: Provide each support frame with pair of hanger assemblies that provide a rigid connection for suspending runways.

Assembly to consist of clamp angle, clamp plates, threaded rods, lock washers, and hex nuts.

4. Runways: Vierendeel truss fabricated from square steel tubes and enclosed steel track.

a. Track: Enclosed, cold formed, steel box track which serves as bottom cord of runway and permits end trucks and festoon carriers to ride on lower inside flanges. Fabricate lower running flanges with 2 degrees taper to center trolley within track. Flat, non-centering tracks are not acceptable.

b. Splice joint: Provide truss splice plates, channel-shaped track splice joint, bolts, lock washers, and nuts for joining runway sections. Splice joints must be located within four feet of a support point.

c. Runway Cantilevers: Up to 4 feet (1219 mm) of cantilever is allowed from a hanger location to the end of the runway.

d. Festoon stack section: Provide enclosed track extension to provide for stacking festoon carriers at end of runway.

5. Bridge: Patented extruded aluminum enclosed track reinforced with extruded aluminum IT-beam.

a. Provide as either one piece extrusion or with separate IT-beam bolted to track.

b. Track: Enclosed, box track designed for trolleys and festoon carriers to ride on lower inside flanges. Fabricate lower running flanges with 2 degrees taper to center trolley within track. Flat, non-centering tracks are not acceptable.

6. End trucks: Rigid frame end truck designed to ride inside enclosed runway track and connect to and suspend bridge.

a. Construction: Stamped steel fabrication with both vertical and horizontal wheels to prevent binding in runway. Designs with welds in tension are not acceptable.

b. Wheels: Removable, self-centering wheels with sealed lifetime lubricated bearings. Vertical wheels shall be tapered 2 degrees to match track profile. Non-removable or non-tapered wheels are not acceptable.

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Duracomp 4 wheel material as provided by Gorbel Inc. Steel wheels are not acceptable.

c. Drop lugs: Provide on both sides of truck to limit truck drop in the event of wheel, axle, or load bar failure.

d. Connection to the bridge: Provide a rigid connection between bridge and end truck. Articulating connections with threaded hardware are not acceptable.

e. Designed for easy attachment of peripherals.

7. Hoist trolley: Rigid-body trolley designed to ride inside enclosed track of bridge and to carry hoist and load. Articulating trolleys are not acceptable.

a. Construction: Two-piece stamped steel body with two wheels each side and tapered clevis positioning hoist hook at center of trolley so load weight is evenly distributed to all four trolley wheels. Provide removable clevis pin of type and size determined by manufacturer for specified capacity. Trolleys with non-removable clevis pins are not acceptable. Holes provided in body for mechanical connections.

b. Wheels: Removable, self-centering wheels with sealed lifetime lubricated bearings. Vertical wheels shall be tapered 2 degrees to match track profile. Non-removable or non-tapered wheels are not acceptable.

Duracomp 4 wheel material as provided by Gorbel Inc or Engineer Approved Equal. Steel wheels are not acceptable.

c. Drop lugs: Provide on both sides of trolley to limit trolley drop in the event of wheel, axle, or load bar failure.

d. Designed for easy attachment of peripherals.

8. End stops: Molded composite, resilient bumper installed in runway and bridge tracks to prevent end trucks, hoist trolley, and festoon carriers from rolling out of track. Bolt stops without energy absorbing bumper are not acceptable.

2. Hand Chain Hoists: Rigid body designed to carry live load capacity of 2 tons.

a. Hoist must be geared with an automatic double pawl braking system and contain antifriction ball bearings.

b. Hand chain is to be ISO high grade alloy.

3. Geared Trolleys: Rigid body designed to ride along W-shaped beam track while carrying a live load capacity of 2 tons.

a. Trolley must be easily adjustable to fit a wide range of beam widths and are to be anti-tilt and anti-drop devices.

b. Ball bearings are to be High grade sealed anti-friction bearings with a minimum B10 bearing life of 3,000 hours.

c. Forge steel wheels hardened to minimum of 425 Brinell to fit W-shaped beam track are required

C. Festoon Assemblies:

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1. Provide length of cable and/or air hose to supply lifting device. Supply shall be festooned along bridge and runway. Refer to drawings for type and size.

2. Festoon trolleys: Four-wheeled trolleys with pivoting saddle and applicable attachment to support service run on runway or bridge and allowing festooning as end truck or hoist trolley travels.

3. Festoon gliders: T-shaped gliders with adjustable applicable attachment to support service runs on runway or bridge and allowing festooning as end truck or hoist trolley travels.

4. Festoon clamp: Steel clamp assembly attached to track to prevent festoon trolleys and gliders from exiting track.

5. Festoon tow clamp: Steel clamp assembly attached to track to prevent festoon from binding under with end truck or trolley.

2.03 Shop Finishing

A. Steel: Steam wash steel W-shaped beam crane components with iron phosphate solution and apply blue or yellow baked enamel finish.

B. Aluminum: Mill finish.

C. Provide spray can of matching color, air-drying paint for field touch-up.

PART 3 EXECUTION

3.01 Examination

A. Do not begin installation until support structures have been properly prepared.

B. Design and construction of reinforced concrete walls footings and slabs as detailed on Drawings and specified in other sections. Verify that accurate monorail system crane applied forces and anchor bolt patterns are provided for foundation design.

3.02 Installation

A. Install units and accessories in accordance with manufacturer's instructions and approved shop drawings.

B. Do not modify monorail system crane components in any manner without advance written approval by crane manufacturer.

C. Clearances for moving monorail system crane components:

1. 3 inches (76 mm) minimum vertical clearance from any overhead obstruction.

2. 2 inches (51 mm) minimum horizontal clearance from any lateral obstruction.

3. Prior to applying proper torque to the bolts, ensure runways are:

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a. Level to within plus or minus 1/8 inch in 20 feet (3 mm in 6.1 m).

b. Parallel with opposite runway to within plus or minus (3 mm in 6.1 m).

3.03 Field Quality Control

A. Perform field quality control testing as recommended by manufacturer.

B. Move bridge and hoist and geared trolley through entire travel to ensure monorail system crane is clear of obstructions and moves freely and smoothly.

C. Inspect installed crane. Verify all bolts are tight and lock washers fully compressed.

D. Field test monorail system crane and accessories for operating functions. Ensure monorail system crane movement is smooth and proper. Adjust as required and correct deficiencies.

E. Clean surfaces. If necessary, touch-up paint damage, scratches, and blemishes with manufacturer provided matching paint.

F. Protect crane from other construction operations.

3.04 Demonstrating and Training

A. Provide demonstration and training session for Owner's representative covering operation and maintenance.

3.05 Protection

A. Protect installed products until completion of project.

B. Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION

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