Description
The California Department of Water Resources is soliciting sealed bids for a 2026 levee‑repair contract (Spec 26‑06) covering two flood‑control sites on the Colusa Basin Drain and the Sacramento River. The work includes extensive earthwork, erosion‑control, vegetation management, and roadway resurfacing to restore levee integrity and improve flood protection.
• Excavation, back‑filling, launch‑rock placement, geotextile fabric installation, and soil‑filled rockfill to re‑grade and stabilize the levees.
• Installation of traffic‑control fencing, giant‑garter‑snake (GGS) safety fencing, and temporary access ramps, with required detour planning.
• Tree‑protection measures (box/wrap protection, arborist oversight) and post‑construction willow planting for slope stabilization.
• Surface‑treatment including seeding, aggregate chinking, and irrigation system installation for vegetated areas.
• Comprehensive environmental safeguards, permitting, and compliance with California flood‑control standards.