Description
The County of Alameda is seeking a qualified contractor to design, excavate, demolish, and construct a new underground diversion structure and install a full‑trash‑capture device along Castro Valley Boulevard near Lake Chabot Road. The work encompasses comprehensive civil‑construction tasks including shoring, de‑watering, traffic control, pipe installation, back‑filling, paving, and all associated labor, materials, equipment, and transportation. This is a government‑funded project valued between $1‑5 million, with an estimated construction cost of about $1.12 million.
• Scope covers excavation, shoring, de‑watering, demolition of existing concrete and pipe, and installation of new reinforced‑concrete pipe and diversion structure.
• Includes design and installation of a trash‑capture device, traffic‑control measures, and complete back‑fill and paving operations.
• Contractor must hold a Class A license, be registered with the California DOL, and submit CARB Certificates of Reported Compliance.
• Mandatory virtual pre‑bid conference on 10 Oct 2026; bid submission deadline 20 Oct 2026, 2 PM.
Attached files
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