Bid 24-28 WWTF Secondary Clarifier Mechanical Upgrades

The City of Rochester, NH is seeking a qualified general contractor to completely upgrade the mechanical systems of three secondary clarifiers at its wastewater treatment facility. The scope includes demolition of existing equipment, installation of new FRP weirs, stainless‑steel components (either 304 or 316 SS), new aluminum stairs and railings, high‑performance coatings, brush‑type launder cleaners, and full start‑up and training. The project must be substantially completed by 31 Oct 2025, with final completion by 30 Nov 2025. Bids were due 17 Apr 2024, with a pre‑bid conference on 3 Apr 2024. The contractor must be pre‑qualified under RFQ 23‑31, provide a 5 % bid security, and meet Davis‑Bacon, AIS, DBE, and other statutory requirements. • Mechanical upgrades of three secondary clarifiers (demolition, new FRP weirs, stainless‑steel components, aluminum stairs/railings). • Optional alternates for 304 SS or 316 SS construction and Ford W. Hall launder cleaners. • Project schedule: Substantial completion by 31 Oct 2025, final completion by 30 Nov 2025; performance bonds and progress payments throughout. • Mandatory pre‑bid conference (3 Apr 2024) and extensive compliance (Davis‑Bacon, AIS, DBE, OSHA, EPA).