Orange Co Sanitation District RFPs

Truck Loading Biofilter Media Replacement at Plant No. 2 (FR2-0034) (Invitation for Bid)

Truck loading biofilter media replacement at plant no. 2.

(Construction), Knott-Miller Holder Artesia Branch Rehabilitation RFP

Work includes 4,000 SF AC pavement grind and overlay; 2,495 LF 42" CIPP lining; 445 LF 30" CIPP lining; manhole rehabilitation with cured-in-place liner; manhole rehabilitation with structural liner:; clean, inspect, and repair PVC lined manholes; new manholes.

Biosolids Management Services (Request For Proposal)

Seeks highly qualified and experienced contractors to manage the beneficial reuse, possibly including transportation, of approx.

Industrial Facility Verification Project (Request For Proposal)

Records Management Assessment (Request for Proposal)

Seeking a qualified Consultant to conduct an unbiased comprehensive needs assessment of Records Management Program.

Digester Gas Facilities Rehabilitation - Request For Information

The project will rehabilitate the existing gas compressor facilities at both plants.

Sunflower Bypass Pumping Plan for Wet Season 2026-2027 RFP

Provide a complete temporary bypass pumping system capable of continuously conveying flows ranging from 10mgd to 40mgd under all anticipated wet well and receiving channel wet well levels.