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The Massachusetts Department of Transportation (MassDOT) is soliciting proposals for a Design-Build project to replace the bridge on Route 3 over the North River, spanning Norwell, Pembroke, and Marshfield. The scope of work includes the demolition of the existing bridge, geometric modifications to Route 3 such as superelevation improvements and new roadside barriers, and the design and construction of drainage systems and wetland mitigation areas. A critical requirement of the project is the maintenance of two lanes of traffic in each direction throughout all construction phases. The project is subject to strict environmental time-of-year restrictions, specifically prohibiting in-water work from February 15 to July 15, and limiting such work to dewatered cofferdams between September 1 and November 15. Additionally, the Design-Builder must maintain a specific marine clearance envelope to ensure safe passage for mariners on the North River. This is a lump sum contract utilizing a Best Value Design-Build procurement process. Proposers must submit separate Technical and Price Proposals by October 30, 2026, with the Price Proposal submitted via Bid Express. The Technical Proposal is subject to a 30-page limit and will be evaluated based on qualitative factors, while the Price Proposal is evaluated as a separate score. Key requirements for bidders include the submission of a bid bond, certification of key personnel availability, and the disclosure of any organizational conflicts of interest. The project also emphasizes civil rights compliance, requiring a designated manager to monitor EEO goals and Disadvantaged Business Enterprise participation. Technical and price proposals must incorporate updates from four issued addenda, which provide revised technical provisions, geotechnical data, and clarified guidelines for Alternative Technical Concepts and project scheduling.