addendum-1-rfp-2026-des-13.pdf

This is Addendum #1 to Request for Proposals DES 2026-13 issued by the New Hampshire Department of Environmental Services for standing seam metal roofing installation on three pump station buildings serving the Winnipesaukee River Basin Program Collection System. The project encompasses approximately 3,325 total square feet of roofing work across three locations: Gilford Pump Station (1,400 sq ft), Pendleton Pump Station (1,400 sq ft), and Belmont Pump Station (525 sq ft). The scope includes installation of 24-gauge standing seam metal roofing with matching drip edge, new furring or strapping, color selection in brown tones, and restoration of existing roof vents and exhaust systems. The Belmont location also requires vinyl soffit, facia, ice stops, and metal wrapping. Proposals must be received by 3:00 p.m. on April 10, 2026, with mandatory site visits required prior to submission. The project must be completed as soon as practicable after contract approval, with all work to be completed by December 31, 2026.

Contractors must submit separate pricing on Exhibit C for each of the three pump station locations plus a contingency amount calculated as 10% of the sum of all three locations. Award will be made to the lowest responsive and responsible qualified firm demonstrating relevant experience with similar services and sufficient resources to complete work within the allocated timeframe. The contractor must maintain commercial general liability insurance of not less than $1,000,000 per occurrence and $2,000,000 aggregate, with the State of New Hampshire named as additional insured, and provide a minimum one-year materials and workmanship warranty commencing at final inspection and acceptance. The contractor must be registered and in good standing with the New Hampshire Secretary of State's Office, obtain a current vendor code from the State, comply with federal, state, and local regulations, and adhere to NFPA 51B 2018 standards for hot work safety if applicable. Proposing firms are responsible for checking the state's website at https://apps.das.nh.gov/bidscontracts/bids.aspx for addenda and must acknowledge receipt in their proposal response.