RIVERSIDE REGIONAL WATER QUALITY CONTROL PLANT HEADWORKS OVERFLOW

The City of Riverside is soliciting bids for the construction of an overflow outlet at the Riverside Regional Water Quality Control Plant headworks. The work includes installing a concrete valley gutter, curb, sidewalk, asphaltic‑concrete berm, pavement, HDPE pipe, grated inlets, and connecting to an existing concrete‑lined basin, with associated site preparation, excavation, and back‑fill. The contract is a lump‑sum award with required performance and payment bonds equal to 100 % of the contract price, and a 10 % bid bond must be submitted. The project must be completed within 90 working days after the Notice to Proceed, and strict liquidated‑damage provisions apply for schedule overruns. • Scope: Concrete civil works, HDPE pipe installation, overflow structure, asphalt paving, and site utilities. • Eligibility: Requires a California Class “A” General Engineering or Class “C‑34” Pipeline Contractor license; bid bond 10 % of proposal; performance/payment bonds 100 % of contract price. • Key Dates: Pre‑bid walk 8/25/2026 (optional), Q&A cutoff 9/1/2026, bid submission deadline 9/11/2026 12 PM PT. • Financials: Estimated contract value $173,804; bid bond 10 % (~$17,380) plus required bonds and insurance. • Requirements: Prevailing‑wage compliance, insurance limits, spill‑containment plan, and detailed subcontractor disclosures.