Site work, paving and renovation of a mixed-use development in Boston, Massachusetts. Completed plans call for the renovation of a bridge / tunnel; for site work for a bridge / tunnel; sidewalk / parking lot; for paving for a sidewalk / parking lot; and transportation facility.

Work in general consist of repair and rehabilitation of the East Cambridge (Lechmere) Viaduct carrying the MBTA Green line from Science Park Station to Charlestown Avenue in Boston and Cambridge, MA. The viaduct includes 12 spans over Nashua Street, the Charles River, Museum Way and Charlestown Avenue. Work includes replacement of the track and bridge superstructure and safety walks; repair and rehabilitation of the concrete floorbeams, arches and piers; strengthening the arch spans with Carbon Fiber Reinforced Polymer (CFRP) fiber wrap; steel strengthening and repairs of the Bascule Span over the Charles River; Overhead Catenary System replacement; and signal replacement. Bidders will affirmatively ensure that in regard to any contract entered into pursuant to this solicitation, minority and female construction contractors will be afforded full opportunity to submit Bids and will not be discriminated against on the grounds of race, color, religion, sex, age, or national origin in consideration for an award. Bidders will be required to comply with Federal Equal Employment Opportunity Regulations and the President's Executive Order No. 11246 and any amendments or supplements thereto. Bidders will also be required to comply with the Governors Executive Order No. 481, prohibiting the use of undocumented workers on State Contracts and any amendments and supplements thereto. All questions during the bid phase should be directed to the MBTA Project Manager in writing or emailed to the contact information above. Questions are to be submitted no later ten (10) days prior to the date set for the opening of bids. Bidders will be required to certify as part of their bids that they are able to furnish labor that can work in harmony with all other elements of labor employed or to be employed on the work. This Contract is subject to minimum State wage rates as well as all other applicable labor laws. Bid Guaranty shall consist of a bid deposit in the amount of five (5) percent of the value of the bid, in the form of a bid bond, cash, certified check, treasurer's or cashier's check. The successful Bidder shall be required to furnish a Performance Bond and a Labor and Materials Payment Bond each for the full amount of the Contract price. The Authority reserves the right to reject any or all Bids, to waive informalities, to advertise for new Bids or proceed to do the work otherwise, as may be deemed to be in the best interests of the Authority. Minority Manpower Utilization (MMU) percent is 15.3%