Westside Basin Knife Gate Valve Rebuild

The Des Moines Metropolitan Wastewater Reclamation Authority (DMMWRA) seeks qualified contractors to remove, inspect, rebuild, and reinstall four 24‑inch Dezurik knife‑gate valves at the Westside Pump Station. Work must be coordinated with the Authority, maintain pump station operation except for scheduled shutdowns, and be completed by March 1 2027. The contractor will collaborate with the valve manufacturer for inspection and certification, handle all waste disposal, and ensure safety and compliance throughout the project. • Rebuild of four (4) 24‑in. Dezurik Model KGC knife‑gate valves (KGV‑01 to KGV‑04) • Scope includes removal, temporary blind‑flange installation, inspection (on‑site or off‑site), full rebuild, re‑installation, testing, and certification • Must coordinate shutdowns; no more than one pump out of service >4 hours at a time; at least three pumps must remain operational • Required site visit on 2026‑10‑02 (optional) and pre‑construction meeting after award • All work to be completed by 2027‑03‑01; contractor responsible for safety, disposal, and any damage remediation • Submission of work plan, inspection summaries, and manufacturer certification required before final acceptance • Bids due electronically by 2026‑10‑14 15:00 CT; questions due by 2026‑10‑05 15:00 CT