Attach_JA1.16_Section_41_22_14.pdf

Attachment JA-1.16 Solicitation Number FA5004-15-B-C006

REPAIR CH&PP COAL CAR SHAKER SECTION 41 22 14

EIELSON AFB, ALASKA MATERIAL PROCESSING EQUIPMENT

PROJECT NO.: FTQW 11-1005

Design Alaska, Inc. 41 22 14 - 1

PART 1 GENERAL

1.1 SCOPE: SECTION 41 22 14 – MATERIAL PROCESSING EQUIPMENT

A. Section Includes:

1. Coal Car Shaker.

2. Trolley Hoist.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product indicated.

B. Shop Drawings:

1. Coal Car Shaker.

2. Trolley Hoist.

1.3 INFORMATIONAL SUBMITTALS

A. List of equipment manufacturers.

1.4 CLOSEOUT SUBMITTALS

A. Posted operating instructions.

1. Submit text for each piece of equipment.

B. O&M Manuals for each piece of equipment.

C. Training sign-in sheet for plant personnel indicating training in operation and maintenance of system.

1.5 QUALITY ASSURANCE

A. Equipment shall be factory assembled except for coal handling equipment, which shall utilize shop assembled components to the maximum extent to facilitate erection and minimize field labor.

REPAIR CH&PP COAL CAR SHAKER SECTION 41 22 14

EIELSON AFB, ALASKA MATERIAL PROCESSING EQUIPMENT

PROJECT NO.: FTQW 11-1005

Design Alaska, Inc. 41 22 14 - 2

1.6 DELIVERY, STORAGE, AND HANDLING

A. Each assembly of components packaged as a unit shall be of a size that can be transported by common carrier without disassembly insofar as shipping clearances are concerned.

PART 2 PRODUCTS

1.7 MATERIALS

A. Provide materials free of defects, which would adversely affect the performance or maintainability of individual components or of the overall assembly. Materials not specified shall be of the same quality used for the intended purpose in commercial practice. Unless otherwise specified, equipment, material, and articles incorporated in the work covered by this specification shall be new.

1.8 TOP MOUNTED RAILROAD HOPPER CAR SHAKER

A. Provide top-mounted rail car shaker complete with shaker, frame, vibrator, motors, and controls.

Design unit for operation under all weather conditions.

B. Shaker shall operate with a nominal 4 mm (5/32 inch) stroke at 1200 rpm. Stroke shall be generated by large eccentric SAE 1045 steel shaft mounted in high capacity, self-aligning, spherical roller bearings. Seal bearings with a double piston ring labyrinth seal and dust and water slinger to retain lubricant and prevent entry of contaminants. Shaker frame shall be stress-relieved, all welded steel construction. Fabricate frame of heavy steel plate, with bearing housing seats machined after stress relieving. Provide four lifting eyebolts of heat-treated forged alloy steel for connecting to hoist chains.

C. Shaker Electric Motor and Drive

1. Motor shall be totally enclosed, fan cooled, 1800 rpm, 460 volt, three-phase, 60 Hz, not less than 15 kW (20 hp,). Motor shall be mounted on heavy spring isolated supporting frame with adjustable motor base. Shaker shall be belt driven with special deep groove sheaves, taper locking type hubs, and constant belt tensioning spring.

1.9 TROLLEY HOIST

A. Hoist:

1. Twin hook type having a rated capacity exceeding the weight of the shaker unit. Hoist shall have a lift of not less than 40 feet with a hoist speed of not less than 12 fpm. Hoist shall have hooks with U-bolt safety latches. Hoist shall be mounted on an electrified trolley as indicated below.

B. Trolley:

REPAIR CH&PP COAL CAR SHAKER SECTION 41 22 14

EIELSON AFB, ALASKA MATERIAL PROCESSING EQUIPMENT

PROJECT NO.: FTQW 11-1005

Design Alaska, Inc. 41 22 14 - 3

1. Trolley shall have a speed of not less than 30 fpm.

2. Trolley shall be designed to travel on a W14x90 wide flange beam.

C. Trolley and hoist assembly shall conform to the height restrictions listed on the drawings.

1.10 CONTROLS

A. Provide remote pushbutton station for both shaker and hoist operation. Provide automatic controls with the following:

1. Upper and lower screw type limit switches to limit hook travel.

2. Slack cable limit switch to stop lowering of hooks when car shaker has been lowered on top of car.

3. Electrical interlock to prevent operation of car shaker motor until shaker is lowered on car.

4. Electrical interlock to prevent operation of hoist motor while car shaker is running.

5. Provide push buttons on the control enclosure consisting of:

a. ON

b. OFF

c. Hoist UP

d. Hoist DOWN

e. Trolley FORWARD

f. Trolley REVERSE

g. Shaker START

h. Shaker STOP

i. “ON” LIGHT

B. Mount electrical equipment in NEMA enclosures suitable for NEC Class 2, Division 1, Group F location.

C. Provide heavy duty motor controls with NEMA contactors and thermal overload relays.

D. Provide fuses to provide individual motor branch circuit short circuit and ground fault protection in accordance with NEC requirements.

REPAIR CH&PP COAL CAR SHAKER SECTION 41 22 14

EIELSON AFB, ALASKA MATERIAL PROCESSING EQUIPMENT

PROJECT NO.: FTQW 11-1005

Design Alaska, Inc. 41 22 14 - 4

E. Provide festoon cables suitable for the environment for power connections to the hoist and shaker along with additional festooned cables for connections to hoist electrical devices such as motor, brake, trolley, etc.

F. Provide festoon control cables suitable for the environment for control connections from a hoist mounted junction box to a wall mounted junction box to extend circuits to the main control panel and the remote pushbutton control station.

PART 3 EXECUTION

1.11 PAINTING

A. Equipment shall be factory finished to withstand the intended end use environment in accordance with the specifications for particular end item. Retouch damaged areas on factory finished equipment on which finish has been damaged and then give a complete finish coat to restore finish to original condition. Finish coat shall be suitable for exposure in the intended end use environment.

1. Equipment shall be painted safety yellow.

1.12 FIELD QUALITY CONTROL

A. The Contractor shall place in operation equipment provided by the Contractor. Make adjustments to equipment that are necessary to ensure proper operation as instructed by the equipment manufacturer.

1. Lubricate equipment prior to operation in accordance with manufacturer's instructions.

Provide lubricants. Furnish lubrication gun with spare cartridges of lubricant to operating personnel.

2. Dry out motors before operation as required to develop and maintain proper and constant insulation resistance.

B. Plant Equipment Tests.

1. Coal car shaker and Trolley hoist assembly.

a. Test coal handling system under operating conditions and demonstrate that work is in conformance with the specified requirements. Conduct this test in the presence of the Contracting Officer.

1.13 INSTRUCTION TO GOVERNMENT PERSONNEL

A. Supervisors and service engineers shall provide instruction for the Government's operators in the operation and maintenance of the equipment furnished under this section. The minimum number of hours provided shall be as follows:

REPAIR CH&PP COAL CAR SHAKER SECTION 41 22 14

EIELSON AFB, ALASKA MATERIAL PROCESSING EQUIPMENT

PROJECT NO.: FTQW 11-1005

Design Alaska, Inc. 41 22 14 - 5

Equipment Operation Instruction

Maintenance Instruction

Coal car shaker and trolley hoist 2 hours 2 hours

END OF SECTION