Call 006 606859-134231-100_691

The Massachusetts Department of Transportation is soliciting bids for the CANA Tunnel and Vent Building Rehabilitation project, identified by solicitation number 606859-134231-100_691, with a posted date and response deadline of June 9, 2026. The work encompasses a comprehensive range of construction and system integration activities, including turnkey access control for tunnel and vent buildings, replacement of stormwater and dewatering pumps, bathroom renovations, electrical, SCADA, emergency communication, PBX, plumbing, fire protection, HVAC, waterproofing, roofing, masonry, and painting work, all governed by the Commonwealth’s Standard Specifications for Highways and Bridges, Supplemental Specifications, and the Construction Manual. The total estimated contract value is $76,266,000, with individual line items such as ancillary HVAC at $5.5 million and fire protection at $1.357 million contributing to the overall scope. Performance must be completed within 1,353 calendar days after issuance of the Notice to Proceed, with critical milestones such as the third-party inspection and testing of ventilation systems required within six months of mobilization. All bidders must comply with stringent state and federal compliance requirements, including prevailing wage standards, electronic submission through www.bidx.com, and mandatory certifications for debarment status, equal employment opportunity, and certified payroll. A 5% proposal guaranty is required from both prime and filed sub-bidders, and all parties must hold a valid MassDOT vendor code and DCAMM certification in electrical or general building construction. M/WBE and SDVOBE participation goals are pass/fail conditions for award; failure to meet the outlined participation targets or demonstrate good faith efforts results in non-responsiveness or ineligibility. Contractors must submit detailed sub-bids for plumbing, painting, and miscellaneous iron work, along with signed letters of intent, joint venture affidavits, and joint check arrangements. Materials must be delivered in original, unopened packaging with full manufacturer labeling, stored indoors and protected from moisture, and all work must meet ANSI, ASTM, NEMA, and UL standards, with certification and test reports submitted prior to delivery. Inspection and acceptance require prior Engineer approval, with any non-compliant work replaced at no additional cost to the state. Bonding requirements include both performance and payment bonds, and contractors must ensure all subcontractors adhere to the same compliance obligations, with breaches potentially leading to contract termination or