California eProcure #0000040808

Butte Slough outfall gates, electrical controls, and related structures repair

The California Department of Water Resources is seeking construction services to repair and upgrade the Butte Slough outfall gates and related structures. - Government buyer: California Natural Resources Agency, Department of Water Resources (DWR), Division of Engineering. - Project: Butte Slough Outfall Gates Repairs, DWR Contract C51700, Specification 26-10; work is at the outlet structure where Butte Slough meets the Sacramento River. - Scope: Remove seven existing slide gates and install seven replacement sluice gates and actuators, along with a replacement catwalk, control equipment shed, piles, structural metalwork, electrical and control systems, instrumentation, lighting, and related civil and structural work. The gates and actuators are supplied by others; contractor installation is required. - Estimated project value: $4.7 million–$6.6 million. - Named OEMs and vendors: Cisco (Department-furnished communications equipment); ALCON, Lithonia, VOLT, and ASTEL (lighting); Intermatic and TORK (photocells); Leviton (occupancy sensor); OMNI (occupancy sensor manufacturer/brand listed in the plans); and PG&E (the provider of the specified transformer). No OEM part numbers are provided for the gates or actuators. - Notable requirements: Prime contractors must meet DWR's special prequalification requirements, including experience with cofferdam and dewatering work, and hold an A—General Engineering Contractor license. Temporary cofferdams must be contractor-designed and submitted for approval. Preserve survey monuments and maintain at least 10 feet of clearance from the existing 12 kV powerline. - Bid-schedule quantities: The schedule includes 71 estimated-quantity contract items; the listed quantities below cover items detailed in the supplied attachment summaries. Units and specification references are retained in each item's description where provided.

Description

The project will replace the inlet catwalk, repair or replace inlet slide gates, and install piles and miscellaneous metal work at the Butte Slough outlet structure at the confluence with the Sacramento River. Principal work includes in-water and electrical work, selective demolition, earthwork, concrete rock slope protection, road repair, a control equipment shed, and miscellaneous cast-in-place concrete. A special prequalification must be approved by the Department for a firm to serve as the prime contractor. A mandatory pre-bid conference is scheduled at the project site for November 4, 2026.

View original listing