WRF Building 73 Generator Improvements

The Des Moines Metropolitan Wastewater Reclamation Authority is seeking qualified contractors to install two standby 2 MW natural‑gas generators and perform extensive mechanical, electrical, and civil upgrades to Building 73 at the Wastewater Reclamation Facility. The scope includes generator accessories, ventilation, switchgear modifications, new electrical distribution, HVAC fan packages, concrete pads, sidewalk extensions, and associated control‑system integration. Work must commence after issuance of a Notice to Proceed (expected early August 2026) and be fully complete no later than 31 December 2029, with liquidated damages of $2,000 per day for any delay. The bid package is submitted electronically via the City of Des Moines BidExpress system, and a pre‑letting conference was held on 2 June 2026. • Install two 2 MW natural‑gas standby generators (Ziegler CAT) with full accessories, fuel, exhaust, and control panels. • Upgrade medium‑voltage switchgear, add new low‑voltage distribution panels, and integrate control‑system hardware and SCADA interfaces. • Perform civil work: concrete pads, sidewalk extensions, rock fill, and grass reseeding; plus structural modifications to support new equipment. • Provide all required testing, commissioning, and documentation (as‑built, O&M manuals, warranties). • Contract value includes a $5,171,940 base price for the pre‑selected generator system; the remaining lump‑sum scope is undisclosed but significant.