Sunflower Bypass Pumping Plan for Wet Season 2026-2027

The Orange County Sanitation District (OC San) is requesting bids for temporary bypass pumping services at its Sunflower Lift Station during the 2026/2027 wet weather season under an Invitation for Bids, with bids due October 7, 2026 at 2:00 p.m. and a mandatory pre-bid meeting and job walk on September 22, 2026 at 10:00 a.m. at OC San Plant 1 in Fountain Valley. Attendance at the pre-bid meeting is required for bid eligibility.

The scope requires a complete temporary bypass pumping system capable of continuously conveying flows from 10 MGD to 40 MGD under all anticipated wet well and receiving channel wet well levels at Sunflower Lift Station. The system will provide redundant capacity for Sunflower Pump #2 and standby capability while existing Pump #1 reliability issues are resolved.

The contract term commences upon Notice to Proceed and extends through April 15, 2027. Bid pricing must remain firm throughout the contract period and include all costs except California State Sales Tax, which OC San will pay separately. The bid structure comprises lump sum line items for mobilization, bypass pump installation, and demobilization; weekly and monthly rental rates for the full bypass pumping system; hourly labor costs for two technicians (7,200 hours); and fuel costs (87,120 gallons). Payment will be made Net 30 days upon duplicate invoices.

Bidders must be registered with the California Department of Industrial Relations, submit OSHA 300/300A logs, financial resources documentation, and compliance certifications for California Air Resources Board mobile source regulations and the Iran Contracting Act. Questions are due September 25, 2026 at 2:00 p.m. OC San will award to the lowest responsive and responsible bidder.