Procurement of Polyethylene Chemical Storage Tanks

The City of Tracy is seeking a qualified contractor to design, fabricate, test, deliver, and off‑load three dual‑wall polyethylene chemical storage tanks (two ~8,500‑9,000 gal tanks for sodium hypochlorite and sodium bisulfite, and one ~6,500‑7,000 gal tank certified to NSF/ANSI 61 for potable‑water contact). All pricing must be firm, fixed, and inclusive of design, engineering, seismic restraints, delivery, and off‑loading at two municipal water‑treatment sites. The contractor must provide PE‑stamped drawings, structural and seismic calculations, a minimum five‑year warranty, and comply with California safety and environmental regulations. Bids are to be submitted electronically via PlanetBids by 1 p.m. PT on October 29 2026, with questions due by October 21 2026. • Scope: Design, fabricate, test, and deliver three dual‑wall polyethylene tanks with titanium hardware, Viton/FKM gaskets, seismic restraints, and OSHA‑compliant access. • Technical requirements: PE‑stamped drawings, seismic design, NSF/ANSI 61 certification for one tank, 5‑year warranty, and full FOB‑Destination delivery. • Logistics: City provides cranes and rigging; contractor must notify plant supervisors 48 hours before delivery. • Evaluation: Responsiveness, past performance, technical understanding, and lowest responsive, responsible bid.