Exhibit A Scope of Work North Cambridge Facility Lube Tanks.pdf

EXHIBIT A

RFP 124-25: North Cambridge Facility- Lube Tank System Upgrades

Scope of Work

The Massachusetts Bay Transportation Authority (“MBTA” or “Authority”) seeks a Contractor to install new indoor and outdoor above-ground storage tanks for maintenance and waste fluids in a preexisting, but newly renovated bus maintenance property. The piping and pump installations are a replace in kind scope of work. All tank systems will be tied into an existing electronic tank gauging system. This work is to support bus operations and maintenance activities.

These lubrication tank installations and fluid dispensing units are for windshield washer fluid, gear oil, antifreeze, waste antifreeze, and waste oil.

• Supply and install one new double wall steel 500-gallon split 250/250 gallon above ground tank for waste oil and waste coolant with all tank top equipment including pneumatic overfill shut off devices.

• Clean, prep, and epoxy coat the concrete floor and one foot up on the wall in the basement tank room. The room is approximately 10’ x 8’.

• Supply and install two 275-gallon double wall Roth above ground tanks in the basement for coolant and power steering fluid with pneumatic fireball pumps.

• Supply and install one double remote fill cabinet on remote fill concrete mat.

• Provide and install supply piping from basement tanks up and into remote fill box and vent piping outside to exterior wall.

• Supply and install one 275-gallon double wall Roth above ground tank for windshield washer fluid at far end of bay #4 with pneumatic fireball pump, hose, and nozzle.

• Provide and install two waste fluid collection troughs with dual diaphragm pneumatic pumps and suction hoses.

• Provide and install waste coolant and waste oil signage at the collection site.

• Provide and install piping from two waste fluid troughs out of building, overhead on a piping bridge and down into two compartment waste fluid tank.

• Provide and install two new hose reels on column between bay #3 and bay #4.

• Demo existing low melting point piping from basement tank room to hose reel columns.

• Provide and install 3/4-inch steel piping from basement tanks to two existing hose reels located on column between bay #1 and bay #2 and to new hose reels located between bay #3 and bay #4.

• Provide air lines and connections to all 5 product pumps.

• Provide 5 Pneumercator TMS 4000 product probes and product specific floats to all 5 tanks.

• Provide and install one Pneumercator TMS 4000 interstitial sensor in waste fluid tank.

• Provide and install one Pneumercator overfill alarm and reset switch either inside the remote fill box or in a separate enclosed box at the remote fill area.

• Provide all electrical for all Pneumercator equipment.

• Provide high lift for all the above scope of work.

• Provide and install all necessary decals, labels, and product identification signage for all tanks.

• Provide all prevailing wage labor, equipment, and tools for the above scope of work.

Concrete Pad as footing for 1 storage tank install with remote fill box

• Provide machinery, labor, and materials to form, pour, and finish one 10 foot by 10 foot by 1-foot-thick concrete AST mat reinforced with #4 steel rebar tied one foot on center both ways

• 4 foot by 4 foot by 8-inch-thick concrete remote fill mat reinforced with 6-gauge welded wire mesh.

• Provide and install four 6-inch galvanized steel bollards, 2 in front of the tank mat and 2 in front of the remote fill mat.

Electronic Tank Gauging System

Supply and install new Pneumercator TMS 4000 sensors and probes to 3 (275g) Roth Tanks with 2” openings and a (500g) split compartment Highland Tank.