TR_CB_0173_0542_SSP_158_233.dgn

This is a design file (DGN format) related to a traffic control signal installation and revision project managed by the Connecticut Department of Transportation across eight municipalities in District 3, including Branford, Norwalk, Westport, Madison, New Haven, North Bridgeport, East Haven, and Guilford. The project encompasses installation of new traffic signal equipment, pedestrian signal faces with accessible push buttons, mast arm assemblies, video and radar detection systems, LED light standards, concrete and bituminous sidewalk ramps, pavement markings, crosswalks, and emergency vehicle pre-emption equipment at eight signalized intersections. Work includes removal of abandoned equipment, installation of handholes and circuit breakers, and coordination with utility companies including Eversource. Connecticut DOT Signal Lab approval is required at least 45 days prior to revision. Bids are due July 1, 2026 at 2:00 p.m. EDT under Invitation for Bid 0173-0542. Pre-bid questions close at 9:00 a.m. the Monday before bid opening via the Connecticut DOT Q&A portal.

Mast arm assemblies must comply with AASHTO LRFD specifications with drilled shaft foundations (minimum 2-foot diameter, 4,000 PSI concrete, #8 rebar Grade 60) and 16- to 18-foot vertical clearance. Time-based coordination and wireless radio systems for signal synchronization are required at selected locations. All traffic signal equipment must follow CTDOT Traffic Standard Sheets and CTDOT Highway Standard Sheets, with construction specifications governed by Connecticut Department of Transportation Standard Specifications for Roads, Bridges, Facilities and Special Provisions, Form 819 (July 2025). Bidders must be prequalified with CTDOT and submit a bid bond of 30 percent of the bid amount in PDF format to dotbid@ct.gov prior to opening. Bidders are required to acknowledge all contract addenda, submit a Non-Collusion Statement and OPM Form 1 (Campaign Contribution Certification), and comply with DBE requirements where applicable. Bidding occurs through the enhanced Bid Express platform (Bidx.com) with no installed software required. Contact Rebecca Buonocore at 860-594-2231 or Rebecca.Buonocore@ct.gov for questions.