WWTP Primary Clarifier Drive Unit Replacement

The City of Richland, Washington is requesting bids on removal and replacement of the primary clarifier drive unit at its wastewater treatment plant under ITB 26-0063, with bids due August 25, 2026 at 2:00 p.m. Pacific Local Time. This is a prevailing wage project subject to Washington State Department of Labor and Industries rates applicable to Benton County.

The scope requires removal of the existing primary clarifier drive unit and furnishing, installation, and commissioning of a new OVIVO C30HT Drive Unit with associated assemblies and appurtenances at the City's wastewater treatment plant. The project is divided into three line items: Mobilization (lump sum), OVIVO C30HT Drive Unit (lump sum), and Record Drawings (unit price $500.00 per unit). The OVIVO C30HT specification is a single-source requirement.

The contractor must complete all work within 20 working days of commencing work, with liquidated damages of approximately $1,677 per day for delays. Material submittals are due within 5 business days of contract execution, and construction must commence no later than 14 calendar days after receipt of all materials. The project is funded through City of Richland Capital Improvement Funds.

Bidders must submit a bid bond of not less than 5 percent of the total bid amount, a Non-Collusion Declaration, and Certification of Compliance with Wage Payment Statutes. The successful bidder must provide performance and payment bonds equal to the total contract amount, comply with Americans with Disabilities Act requirements, and obtain a City of Richland Business License. Weekly certified payroll reporting is required.

An optional pre-bid walkthrough is scheduled for August 19, 2026 at 1:00 p.m. at the project site. Notice to Proceed and contract execution are anticipated for September 9, 2026. Electronic submission is required through the Public Purchase website.