WRF Headworks Expansion & Septage Reception

The City of Rexburg is procuring a comprehensive expansion of its Wastewater Reclamation Facility (WRF) headworks and the construction of a new septage reception building. The scope includes new screening and grit‑removal structures, demolition and upgrade of existing facilities, installation of owner‑furnished equipment, full civil, mechanical, structural, and electrical construction services, and required testing, commissioning, and warranty work. The contract is a lump‑sum, firm‑price award issued after an open competitive bidding process, with Western Water Constructors selected as the low‑bidder. • New headworks screening building, grit‑settling chamber, and associated civil works. • Septage reception building with wet‑well pump station and all related process equipment. • Full demolition, upgrades, and integration with existing plant while maintaining continuous operation. • Required permits, testing (hydrostatic, air, etc.), retainage, liquidated‑damages, and a 395‑day substantial‑completion schedule (425 days to final payment). • Preference given to Idaho‑domiciled contractors; bid bond of 5 % required; contract type is stipulated‑price (lump‑sum).