2026-039 2026 Pump Station Replacements - Foss 2 and Sabattus

The City of Lewiston is seeking qualified contractors to replace and upgrade the Foss 2 and Sabattus pump stations. The work includes removal of existing pump dry‑well units, extension of concrete wet wells, installation of new submersible pumps, ductile‑iron piping, check‑valve vaults, electrical transfer switches, VFD/control panels, backup generators, and associated site work. The contract is a lump‑sum, performance‑bonded bid with a 10 % bid security. Completion is targeted for June 1 2027, with a total project scope covering both stations. • Removal of existing suction pump dry‑well units and concrete modifications • Installation of precast concrete barrel sections, check‑valve vaults, and new submersible pumps • Ductile‑iron pipe, transducers, backup floats, and sewer bypass provisions • Electrical upgrades: transfer switch, service line, VFD panels, generators, conduit, wiring • Required permits (street occupancy, excavation, electrical) and traffic‑control plan for Sabattus Street • Mandatory pre‑bid meeting (08/24/2026) and question deadline (09/04/2026) • Bid security: 10 % bond or certified check; performance and labor‑material bonds required upon award