Description
The California Department of Water Resources is seeking qualified general‑engineering contractors to rehabilitate the retaining wall at the Knights Landing outfall gates (Colusa Drain). The work includes precision coring, installation of stainless‑steel rods and HSS tubes, concrete crack and spall repairs, aggregate‑base placement, and removal of a single tree. The contractor must hold an “A – General Engineering” license, comply with extensive safety and environmental controls, and submit a sealed bid by the July 8, 2026 deadline.
• Core through concrete and soil, install PVC casings and stainless‑steel reinforcement rods.
• Perform concrete crack repair (epoxy injection) and spall repair per detailed specifications.
• Excavate, shoring, and back‑fill with CLSM and aggregate base; retain topsoil and protect existing utilities.