BID 25-24 INDUSTRIAL WAY WATER MAIN REPLACEMENT

The City of Rochester, NH is seeking a qualified contractor to replace approximately 1,030 linear feet of aging 12‑inch ductile‑iron water main along Industrial Way, including associated 6‑inch mains, fittings, valves, hydrant, and related appurtenances. The scope also covers excavation, trench insulation, temporary water service, roadway restoration, erosion control, and comprehensive testing and disinfection. The contract includes a lump‑sum provision for an 8‑inch temporary water main and a $25 k contingency line item. Bids must be submitted by 5 pm on 18 June 2025, with all questions due by 5 June 2025. • Replace 1,030 LF of 12‑in. ductile‑iron water main and 50 LF of 6‑in. water main, plus all fittings, gate valves, and a hydrant assembly. • Provide an 8‑in. temporary water main (full lump‑sum) and maintain water service to customers during construction. • Perform earthwork, trench insulation, asphalt removal and replacement, erosion‑control, seeding/loaming, and complete pressure, leakage, and bacteriological testing per AWWA and NSF standards.