Walnut Street Oval Traffic Flow & Signals Project

The City of Nashua, New Hampshire Division of Public Works has issued an Invitation for Bid (IFB0574-050626) for the Walnut Street Oval Traffic Flow & Signals Project, a federally funded construction initiative within Hillsborough County. The project encompasses minor intersection modifications, pavement marking adjustments, signage revisions, and traffic signal modifications across multiple streets including West Pearl Street, Main Street, Factory Street, and Walnut Street to revise traffic flow directions. Specific deliverables include removal and paving of the southwest curb extension at West Pearl Street and Walnut Street intersection, pavement marking and signage revisions, implementation of all-way stop control at Factory and Water Street intersection, traffic signal and pavement marking modifications at Main Street intersections, structural evaluation and potential replacement of traffic signal mast arms on Main Street, pavement resurfacing with cold planing and 1.5-inch hot bituminous overlay, high-visibility crosswalk markings, and decorative barrier installation. The project incorporates four construction phases with traffic signal coordination across two primary intersections featuring emergency vehicle preemption capabilities and video detection systems. Bidders must meet specific responsibility criteria including NHDOT pre-qualification, financial capability, ability to complete work by the October 16, 2026 substantial completion date and November 20, 2026 final completion date, and a positive track record with the City of Nashua. A non-mandatory pre-bid meeting is scheduled for Thursday, April 23, 2026 at 10:00 a.m. at the Division of Public Works with Zoom attendance available; the deadline for bidder questions is Tuesday, April 28, 2026 at 3:00 p.m. with answers posted by Thursday, April 30, 2026 at noon; and bids are due Wednesday, May 6, 2026 at 3:00 p.m. The award will be made to the lowest responsive and responsible bidder.

The project is subject to federal requirements including Davis-Bacon wage rates, Build America Buy America compliance, and Disadvantaged Business Enterprise (DBE) participation goals, though specific set-aside percentages are not detailed in the available documentation. Bidders must provide a 5% bid guarantee, performance bond, and payment bond each equal to the contract price, along with general liability insurance of $1,000,000 per occurrence/$2,000,000 aggregate, motor vehicle liability of $1,000,000 combined single limit, and workers' compensation coverage per New Hampshire statute. All subcontractors exceeding 5% of the prime contractor's bid must be listed, and the prime contractor must perform at least 30% of the contract work with its own organization. No incumbent vendors or current contractors are identified in the bid package. The project work must be performed within existing right-of-way and requires adherence to NHDOT Standard Specifications and supplemental specifications current as of the bid date, with liquidated damages of $1,000 per calendar day applying for failure to meet completion dates. The specific contract value or budget range is not disclosed in the available bid documents.