Call 001 613404-133724

The Massachusetts Department of Transportation is soliciting bids for HVAC repairs to the District Administration Building at 811 North King Street in District 2, Massachusetts, under solicitation number 613404-133724, with a bid submission deadline of June 9, 2026. The scope of work encompasses comprehensive mechanical, plumbing, electrical, and direct digital control system upgrades aimed at improving occupant comfort and reducing facility operating costs. The project requires full labor, materials, and equipment integration across all disciplines, including selective demolition, core drilling, fire stopping, and the installation of gas boosters, valves, piping, insulation, and hangers. Critical deliverables include a complete upgrade of the existing Direct Digital Control (DDC) Automatic Temperature Control system and full compliance with manufacturer specifications for all equipment, including firestop systems, which must be delivered in original, unopened, and properly labeled containers with all required data such as date of manufacture, lot number, shelf life, curing time, and mixing instructions. All materials must be transported and stored dry and undamaged, with strict adherence to packaging, labeling, and moisture control requirements to prevent mold and mildew. Contractors must be properly registered and in good standing with the Office of the Secretary of the Commonwealth and must not be debarred from participating in any U.S. construction contracts. Proposals must be submitted electronically through www.bidx.com, and bidders are required to hold a valid MassDOT vendor code and digital ID, with prequalification documentation including the R109 form and DCAMM eligibility certification submitted in advance. All bidders must provide a 5% bid guaranty and submit a performance bond and a payment bond. Compliance with federal and Massachusetts laws is mandatory, including adherence to prevailing wage rates, non-discrimination policies under both federal Executive Order 11246 and state regulations, and requirements for Disadvantaged Business Enterprises or Minority/Women/Service-Disabled Veteran Business Enterprises. Contractors are required to conduct full functional performance testing of all systems, including boilers and controls, with strict performance criteria for temperature stability, emissions, pressure control, and efficiency, and must submit a Quality Assurance and Quality Control Plan within 30 days of notice to proceed. Long lead, owner-furnished, and pre-purchase items must be tracked via an approved Excel-based database aligned with the construction schedule. Final payment is contingent upon compliance with reporting obligations, including mandatory EEO-1 filings for contractors with 50