Biosolids Management Services

Orange County Sanitation District (OC San) is seeking up to three qualified contractors to provide comprehensive biosolids management services—including beneficial reuse (composting, land‑application) and optional transportation— for approximately 300 wet tons per day of biosolids. The contract will be awarded to a primary, secondary and tertiary contractor (all distinct entities) based on best value, not merely lowest price. Proposals must be submitted electronically via OC San’s OpenGov portal by 2:00 pm on 26 Oct 2026. A non‑mandatory pre‑proposal meeting is scheduled for 22 Sep 2026 at the OC San Plant 1 conference room. Respondents must be registered on the OpenGov system, provide required insurance, labor‑code registrations, CARB certifications, and safety documentation. The contract may be renewed for up to five additional one‑year periods, with payment on net‑30 terms after invoice approval. • Scope: Management of ~300 tpd biosolids, including handling, processing, and optional transport to reuse sites. • Duration: Initial 1‑year term, with up to five one‑year renewal options. • Submission: Electronic via OpenGov by 26 Oct 2026, 2 pm; questions due 24 Sep 2026, 2 pm. • Pre‑proposal meeting: 22 Sep 2026, 9 am (non‑mandatory). • Evaluation: Best‑value criteria (technical approach, safety record, cost). • Required certifications: CARB mobile‑source, labor‑code prevailing‑wage registration, insurance, safety plans.