NORTH GILSIZER DETENTION BASIN IMPROVEMENTS PROJECT

The City of Yuba City is seeking a qualified contractor to construct storm‑water infrastructure improvements within the North Gilsizer Detention Basin and the adjacent corporation yard. The work includes installing a city‑provided trash capture manhole, piezometers, an ecology block weir, a concrete retaining wall, a chain‑link swing gate, riprap slope protection, and additional ecology blocks, plus all associated excavation, grading, backfilling, and site restoration. The project is funded by State Prop 1 IRWM grant and local funds, with an estimated construction cost of $477,000 and a contract duration of 90 calendar days (substantial completion in 60 days). Bids must be sealed and submitted by November 5, 2026. A non‑mandatory pre‑bid meeting/site walk is scheduled for October 28, 2026. • Scope: storm‑water detention basin upgrades – manhole, weir, retaining wall, gate, riprap, piezometers. • Required: full‑service construction (labor, materials, equipment, permits, restoration). • Funding: State Prop 1 IRWM grant + City funds; estimated cost $477 k. • Schedule: 90‑day contract, start after award, substantial completion within 60 days. • Submission: sealed bids due Nov 5, 2026 2 PM; pre‑bid meeting Oct 28, 2026 (optional). • Mandatory registrations: California Contractor’s License, DIR registration, bid bond (10%).