Biddeford — Replacement of the existing traffic signal heads with new housings, LED bulbs, and reflective backplates in the City of Biddeford, and the Towns of Alfred and Arundel.

The Maine Department of Transportation is soliciting bids for solicitation number 029378.00 to replace existing traffic signal heads and upgrade signal equipment along Route 111 in the City of Biddeford and the Towns of Alfred and Arundel. The scope of work involves replacing signal heads at multiple intersections, including Edwards Avenue, Gateway Plaza, Hill Road, Irving Oil, Kennebunk Road, and Mariner Way. Key technical requirements specify the use of polycarbonate housings, 12-inch LED lenses, and 5-inch solid backplates with 3-inch fluorescent yellow retroreflective borders. Additionally, the contractor must provide non-invasive detection warranted for at least three years, utilize breakaway type tether wire attachments, and ensure all work complies with MUTCD and ADA requirements. Bidders must submit a completed Disadvantaged Business Enterprise Utilization Plan, a Bidder's List form, and a bid security equal to 5% of the bid amount. Awarded vendors are required to provide performance and payment bonds each totaling 100% of the contract value and must register with the Department of Administrative and Financial Services for payment. The project is subject to the Build America Buy America requirements, the Davis-Bacon and Related Act, and the Contract Work Hours and Safety Standards Act. All work, excluding warranty obligations, must be completed by November 15, 2006, in accordance with the March 2026 MaineDOT Standard Specifications and Supplemental Specifications.