11 13 00 Dock Lift.pdf

Construction Documents Renovate Bldg. 11 Mech Room Project Number 671A4-22-106

November 22, 2022

VA 06-01-15

11 13 00-1

SECTION 11 13 00

RECESSED DOCK LIFT

PART 1 - GENERAL

1.1 SUMMARY

A. Related Documents: Provisions establish with General and Supplementary Conditions of the Contract, Division 1 – General Requirements and Drawings are collectively applicable to this Section.

B. Dock scissor lift as shown on the Drawings.

1.2 RELATED WORK

A. Section 01 33 23 SPECIFICATIONS AND DRAWINGS FOR CONSTRUCTION (FAR 52.236-21) and, SPECIAL

NOTES (VAAR 852.236-91), in GENERAL CONDITIONS.

B. Section 03 30 00 CAST-IN PLACE CONCRETE.

C. Section METAL FABRICATIONS 05 50 00.

D. Section UNIT MASONRY 04 20 00

E. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements that are common to more than one section.

F. Section 26 05 19, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (600 VOLTS AND

BELOW): Low Voltage power and lighting wiring.

1.3 QUALIFICATIONS

A. Approval by the Contracting Officer is required for products or services of proposed manufacturers, suppliers and installers and shall be contingent upon submission by Contractor of a certificate stating the following:

1. Equipment Lift contractor is currently and regularly engaged in the installation of elevator equipment as one of his principal products.

2. Equipment Lift contractor shall have three years of successful experience, trained supervisory personnel, and facilities to install lift equipment specified herein.

1.4 APPLICABLE PUBLICATIONS

A. Dock lift Standard: Comply with the applicable requirements of ANSI, MH29.1, (Safety Standard for

Industrial Scissor Lifts) for construction and operation of recessed loading dock lifts.

Project Number 671A4-22-106

11 13 00-2

B. Electrical: All electrical components and the entire controller assembly shall be underwriters Laboratory listed.

C. Structural Rigidity: The scissor leg assembly shall be of structural tube construction for maximum rigidity.

1.5 SUBMITTALS

A. Submit in accordance with Specification Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and

SAMPLES.

B. Product data: Submit product data for the dock equipment lift.

C. Shop Drawings:

1. Complete scaled and dimensioned layout in plan and section view showing the arrangement of equipment and all details of each and every cartlift unit specified including:

D. Submit manufacturer’s maintenance and service data, including address and telephone number of nearest authorized service representative.

E. Operating and Maintenance Manuals Submittals.

1.7 PERFORMANCE STANDARDS

A. Provide manufacturer’s standard hydraulic dock lift of capacity, size and construction indicated, consisting of a safety tread steel platform with bevel toe guards on all four sides (or 3” vertical toe clearance between platform and the floor on top of ground units), steel tube scissor legs, lifetime lubricated bearings and a hydraulic operating system with controls, safety devices and accessories required.

B Provide maximum vertical travel of 58 inches.

C Provide stationary single scissor type hydraulic dock lift for permanent recessed installation in a preformed concrete pit at location indicated (or permanent top of ground installation on a concrete pad at location indicated.

D. Provide lifting capacity of not less than 5,000 ob. With 3,000 lb axle load at the ends and xxx lb. axle load at the sides.

E. Fabricate lift from structural steel shapes rigidly welded and reinforced for maximum strength, safety and stability. Design assembly to withstand deformation during both operating and stored phases of service.

Provide mounting brackets for ease of installation.

1. Fabricate platform from heavy steel plate with beveled steel toe guards on all four sides to comply with MH29.1 (3” vertical toe clearance between platform and floor on top of ground units to comply with MH29.1).Provide matching hinged throw-over bridges with retention chains and snaps where indicated and removable handrails with safety chains.

Platform Surface: Nonskid, safety tread deck plate.

2. Platform Size: 48 inches wide by 72 inches long.

Project Number 671A4-22-106

11 13 00-3

3. Provide hinged throw over bridge, heavy duty piano type hinge welded to toe guard at the end of platform, complete with lifting/ retaining chain with snap.

Bridge material: Nonskid, safety tread plate.

4. Bridge size: 48 inches wide by 72 inches long

5. Scissor Mechanism: Fabricate leg members from heavy duty formed steel tubes to provide maximum strength and rigidity.

6. Cylinders: Equip lift with no less than two heavy duty machine grade cylinders with mechanical internal stops and return lines from breather vents to the reservoir. Cylinder rods shall be chrome plated and polished. The cylinders shall be equipped with flow controls to prevent free fall in compliance with MH29.1.

7. Bearings: Equip lift with lifetime lubricated bearings for minimum maintenance.

8. Hydraulic Power Unit: Manufacturer’s standard self-contained remotely located assembly consisting of a steel reservoir, UL listed motor, high pressure gear pump and valve manifold with pressure compensated flow control, down solenoid, check valve and relief valve.

9. Electrical Controls: Constant pressure UP and Down pushbutton. NEMA 12 UL listed control box with magnetic motor starter with 3 pole adjustable overloads, 24 Volt 4 amp fused secondary control transformer and the entire control box assembly, not just components, shall be labeled as UL listed.

10. Safety Devices: Provide Manufacturer’s standard safety devices as follows:

Removable handrails constructed 42” high with midrail and 4” kick plate.

11. Manufacturer’s standard safety maintenance support in compliance with MH29.1.

12. Pit mounted units shall be equipped with 8” bevel toe guards and have a minimum 2” black and yellow marking along the lower edge of the toe guards.

13. Top of ground units shall have a minimum of 3” vertical toe clearance between the platform and the floor when fully lowered.

14. Paint Finish: Manufacturer shall fully prime the entire unit, apply enamel paint and bake cure the final finish.

15. FPM speed 10.

16. 5 Hp – 230V/ 60 HZ/ 3PH Continuous duty power unit, weatherproof pendant push button control 20 ft. coil cord for the control magnetic motor starter and 24 volt control transformer.

Project Number 671A4-22-106

11 13 00-4

1.8 WARRANTY

A. Submit all labor and materials furnished regarding equipment lift system and installation to terms of

"Warranty of Construction" articles of FAR clause 52.246-21. The One-Year Warranty and Guarantee

Period of Service shall commence and run concurrent after final inspection, completion of performance test, and upon acceptance of the equipment lift.

B During warranty period If a device is not function properly in accordance with specification requirements, more maintenance than the contract requires keeping device operational, device shall be removed and a new device meeting all requirements shall be installed as part of work until satisfactory operation of installation is obtained. Warranty shall start anew for such parts from date of Substantial

Completion.

PART 3—EXECUTION

3.1 INSTALLATION, WORKMANSHIP, AND PROTECTION

A. Dock Lift Installation

Coordinate forming concrete pad to ensure that all dock lift and scissor lift dimensions conform to the requirements for the specified size and model dock lift.

Attach the dock lift securely, according to manufacturer’s written instructions.

B. Adjust and Clean.

Make all necessary adjustments for safe, efficient on of the dock lift.

After installation, restore all marred or abraded surfaces to original condition.

3.7 INSTRUCTION OF VA PERSONNEL

A. Provide competent instruction to VA personnel regarding the operation of equipment and accessories installed under this contract, for a period equal to one-eight-hour day. Instruction shall commence after completion of all work and at the time and place directed by the Resident Engineer.

B. Written instructions in triplicate relative to care, adjustments, and operation of all equipment and accessories shall be furnished and delivered to the Resident Engineer in independently bound folders.

DVD recordings will also be acceptable. Written instructions shall include correct and legible wiring diagrams, nomenclature sheet of all electrical apparatus including location of each device, complete and comprehensive sequence of operation, complete replacement parts list with descriptive literature, and identification and diagrams of equipment and parts. Information shall also include electrical operation characteristics of all circuits, relays, timers, electronic devices, and related characteristics for all rotating equipment.

Project Number 671A4-22-106

11 13 00-5

C. Provide supplementary instruction for any new equipment that may become necessary because of changes, modifications or replacement of equipment or operation under requirements of paragraph entitled "Warranty of Construction".

3.8 EQUIPMENT LIFT GUARANTEE PERIOD OF SERVICE: MAINTENANCE SERVICE AND INSPECTIONS

A. Furnish complete maintenance service and inspections on each cartlift installation for a period of one (1) year after completion and acceptance of each cartlift in this specification by the Resident Engineer. This maintenance service shall run concurrently with the warranty. Maintenance work shall be performed by

Certified Equipment Lift Mechanics and Apprentices.

B. This contract will cover full maintenance including emergency call back service, inspections, and servicing.

END