MBTA Contract No. B45CN03, BRIDGE REPLACEMENT OF DORCHESTER AVENUE OVER MBTA RED LINE, CABOT YARD SPUR, AND OLD COLONY MAIN LINE, BOSTON, MA
MASSACHUSETTS BAY TRANSPORTATION AUTHORITY
10 PARK PLAZA
BOSTON, MASSACHUSETTS 02116
NOTICE TO BIDDERS
Electronic proposals for the following project will be received through the internet using Bid Express until the date and time stated below, and will be posted on www.bidx.com forthwith after the bid submission deadline. No paper copies of bids will be accepted. Bidders must have a valid digital ID issued by the Authority in order to bid on projects. Bidders need to apply for a digital ID with Bid Express at least 14 days prior to a scheduled bid opening date.
Electronic bids for MBTA Contract No. B45CN03, BRIDGE REPLACEMENT OF DORCHESTER AVENUE OVER MBTA RED LINE, CABOT YARD SPUR, AND OLD COLONY MAIN LINE, BOSTON, MA, (CLASS 1, GENERAL TRANSIT CONSTRUCTION and 4A, STEEL SUPERSTRUCTURE – $20,000,000, PROJECT VALUE $30,496,148) can be submitted at www.bidx.com until two o’clock (2:00 p.m.) on September 23, 2021. Immediately thereafter, in a designated room, the Bids will be opened and read publicly.
Work in general consists of replacement of the existing three-span highway bridge with a new, two-span precast reinforced concrete deck panel slab and cast in place closure pours, sidewalks and barriers, on weathering steel multi-girder superstructure. A new pile supported abutment will be constructed behind the existing reinforced concrete rigid frame south abutment of the south span, using drilled and driven pipe piles and a reinforced cast-in-place concrete cap. A new pile supported pier will be constructed between the existing granite block south abutment of the north span and the reinforced concrete rigid frame north abutment of the middle span, using drilled and driven pipe piles and a reinforced cast-in-place concrete cap. The existing granite block north abutment of the north span will be reused, and a new precast reinforced concrete cap will be placed on top to support the new superstructure.
Bidders’ attention is directed to Appendix 1, Notice of Requirement for Affirmative Action to Insure Equal Employment Opportunity; and to Appendix 2, Supplemental Equal Employment Opportunity, Anti-Discrimination, and Affirmative Action Program in the specifications. In addition, pursuant to the requirements of Appendix 3, Disadvantaged Business Enterprise (DBE) Participation Provision, Bidders must submit an assurance with their Bids that they will make sufficient and reasonable efforts to meet the stated DBE goal of 20 percent.
On behalf of the MBTA, thank you for your time and interest in responding to this Notice to Bidders
Massachusetts Bay Transportation Authority
MBTA General Manager
August 18, 2021