Description
The City of Redding is seeking bids to fully rehabilitate the secondary clarifier #1 and #2 at the Stillwater Wastewater Treatment Plant. The work includes demolition of existing mechanical and electrical equipment, replacement of access bridges, stairs, grout floors, effluent slide gates, all interior piping, and associated civil, structural, mechanical, and electrical upgrades. The contract is a lump‑sum award valued at roughly $2.9 million and must be completed within a 300‑working‑day schedule, with a low‑flow shutdown window from June 1 to October 15 2027. The procurement is open to qualified contractors holding a California Class A contractor’s license and DIR public‑works registration; a 10 % bid bond and performance/maintenance bonds are required.
• Scope: demolition, civil/structural upgrades, mechanical/electrical replacement, pipe‑hanger and diffuser installation, grout floor renewal, and full start‑up testing.
• Schedule: bids due June 18 2026; award expected July 21 2026; notice to proceed August 2026; 300 working‑day construction period, must be operational by 15 Oct 2027.
• Requirements: Class A contractor license, C‑10 electrical license, DIR registration, 10 % bid bond, performance & maintenance bonds, compliance with California public‑works statutes, and submission of three qualifying projects within 2 business days after bid opening.