Technical Specification GLVE-2002 692021.pdf

GLVE-2002

UNDER FLOOR WHEEL TRUING MILLING MACHINE

MASSACHUSETTS

BAY

TRANSPORTATION

AUTHORITY

TECHNICAL SPECIFICATION

GLVE-2002

UNDERFLOOR

WHEEL TRUING MILLING MACHINE

ISSUED:

LIGHT RAIL VEHICLE ENGINEERING

UNDER FLOOR WHEEL TRUING Mll.,LING MACHINE

1.0 PURPOSE

2.0

1.1 This Technical Specification details the procurement of a new under floor, single axle full profile wheel truing milling machine for all Light Rail Vehicles (LRV) of the Massachusetts Bay Transportation Authority (MBT A) Green Line.

1.2 This technical specification is for a complete turnkey service where contractor is solely responsible for existing equipment removal, new equipment installation, any required pit modifications, and operation and maintenance training.

1.3 The work perfonned by the contractor shal1 comply with all applicable standards, codes and regulations, wheel specifications, and Light Rail Engineering documents, drawings, and requirements.

1.4 Furnish and install as required all equipment, as specified, complete and ready for operation. Provide any necessary accessories, mechanical, electrical and structural items, whether specified or not in order to deliver properly installed and functional equipment. In addition, the removal of the existing wheel truing machine and accessories, shall be included as work of this specification.

1.5 Equipment shall be suitable for installation in the space allocated and operate on the available building utilities, which are based on typical requirements for equipment of this type. Modification and redesign to the existing building structure and any utilities required to suit the actual equipment shall be included in the bid proposal.

CONTRACTOR QUALIFICATIONS

2.1

2.2

2.3

The contractor must be a firm with a minimum of 5 years successful experience in the manufacturing, removal, and installation of under floor wheel truing milling machines for Light or Heavy Rail Vehicles. Contractor shall provide documentation that they regularly engaged in successful design, manufacturing, removal, and installation of wheel truing machines for low floor and centerless vehicles including those with independently rotating wheels.

The Manufacturer of the wheel truing machine shall provide written instructions on how their centerless wheel truing machine will true the power and unpowered bogies of the No. 7 SRC, No. 8 low floor car, and the No. 9 low floor car.

The Contractor shall provide to the MBT A a list of comparative installations currently in operation for a period of at least the past five years, including names and phone numbers for engineers and or technicians at other Transit Authorities using the system.

OLVE-2002

Ul\TJ>ER FLOOR WHEEL TRUING MILLING MACHINE removable access plates furnished at each turn in conveyor direction and at intennediate points along the conveyor as necessary for maintenance. Belt shall be hinged steel with interlocking side wings and cleats on the pans.

4.30.7 Electrically interlock conveyor system to automatically start and stop with the machine operation. A manual on/off control for conveyor system will also be installed along with motor overload protection and control panel alarm indicator upon jamming.

4.31 Master Machine Control Panel (MMCP)

4.31.1 The panel shall house motor starters, disconnect switches, the control circuit transformer, fuse blocks, contact blocks, and interlock necessary for the proper function and operation of the wheel truing machine equipment. Each motor shall be protected by its own circuit breaker and each magnetic motor starter must have overload ground fault protection in all three phases. The machine shall be supplied power from a single 480 Volt, 3 phase, 60 hertz source and shall provide for circuit protection from that point.

4.31.2 Control voltage shall be 120 V, 60 Hz or 24 VDC obtained from control transformer(s) furnished within the MMCP. No controls accessible to the operator shall have wiring carrying a voltage potential exceeding 120 Vac to ground.

4.31.3 Machine drive shall be by motors of sufficient capacity, provided with infinitely variable speed control. Variable speed controllers shall be mounted in the MMCP.

4.31 .4 The machine shall be fully wired by the contractor requiring a single point of electrical connection from the building to be identified in the shop drawings.

4.31.5 The MMCP will meet the proper NEMA enclosure standards listed in this specification and be designed with an integrated climate control system.

4.32 CNC Controller

GLVE-2002

4.32.1 Machine operations shall be based on Computer Numerical Control (CNC) operations and be integrated with the Programmable Logic Control (PLC) functions. The operator control station shall be a centralized CNC operation, incorporating a screen display on which operations and sequencing of operation inclusive of help screens and operating prompts shall be shown.

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UNDER FLOOR WHEEL TRUING Mll..LING MACHINE

4.40.4 Field painting equipment, including touch-up painting, if any, is included under this Section. Normally, equipment shall be factory finished as previously specified. Where factory finishes are provided on equipment and no additional field painting is specified, all marred or damaged surfaces shall be touched up or refinished to leave a smooth, uniform finish at the time of final acceptance. Touch-ups shall be of the same color and type of paint as the original. Provide one gallon of matching touch up paint.

4.41 Signage

4.41.1 All equipment, control panels and ancillary devices shall be clearly and distinctly identified by signage to indicate its intended use and purpose for all related operator and maintenance functions. All wording and symbols shall be in English.

4.41.2 All control, warning and instructional information shall be engraved on stainless steel metal and be riveted or screwed into conspicuous places, unless otherwise approved by the project manager. All characters' colors shall be in contrast with the background color. All colors shall be resistant to fading from all sources including, but not be limited to, sunlight, dirt, extreme temperatures, age, ozone, oil and common cleanser.

5.0 GENERAL TRUING PIT DESIGN AND FABRICATION REQUIREMENTS

5 .1

5.2

Upon disassembly and removal of existing MBTA wheel truing machine, UPM1-M, the Contractor shall be familiar with the installation of underfloor wheel truing machines and all of its appurtenances or similar units in order to remove the existing machine without causing damage to the existing pit, Track No. 5, and yard tracks.

The Contractor shall be responsible for the coordination of all work performed at the site, by his own forces or by subcontractors, as required for complete demolition and removal of any existing equipment and the installation of new equipment. The coordination effort shall include at a minimum, workspace allocation, wheel truing equipment layout, foundations and structures, utility connections, electrical equipment layout, piping systems, safety systems, drainage or sump pump needs, and pit exhaust or air filtration systems.

UNDER FLOOR WHEEL TRUJNG MILLING MACHINE

All construction shall be performed in accordance with all applicable regulations, such as the Massachusetts State Building Code, etc.

5.39.1 The contractor shall protect and indemnify the MBTA and its representatives against any claim or liability arising from or based on the violation of any law, ordinance, safety code, regulation, order or decree whether caused by the contractor, its employees or its subcontractors employed on the project.

5.39.2 Such laws, ordinances, codes regulations orders or decrees may restrict and limit the contractor's working hours or use of certain types of equipment on the project. The contractor shall become familiar with such restrictions and limitations prior to submitting a bid.

5.39.3 The contractor shall give all necessary notices, obtain all work permits as required and pay all government taxes, fees, and other costs in connection with the work. The contractor shall file all necessary drawings, prepare all documents and calculations and obtain all necessary approvals of all government "departments which have jurisdiction. The contractor

5.39.4 Shall obtain all required certificates of inspection prior to final acceptance and final payment for the work.

5.39.5 Compensation for conforming to all provisions of this section shall be included in the bid price. No additional compensation will be allowed.

5.40 Electrical Reference:

GLVE-2002

Licensed Massachusetts electrician required to perform for all electrical work, copy of license to be provided in bid. Unless otherwise specified or indicated, materials and workmanship and equipment performance shall conform with the latest edition of the following standards, codes, specifications, requirements and regulations:

5.40.1 Massachusetts State Building Code