The Metropolitan Water District of Southern California PlanetBids #Specifications No. 2097

Slope Toe Improvements at Robert B. Diemer Water Treatment Plant Basin 8

The Metropolitan Water District of Southern California is seeking bids for improvements to the toe of the slope supporting Basin No. 8 at the Robert B. Diemer Water Treatment Plant in Yorba Linda, CA. - Scope of Work: - Excavation of existing ground material, keying and benching of subgrade, compaction, and restoration of the toe area with fill and rock rip-rap - Asphalt pavement restoration for the slope access road - Mobilization, import of fill materials, and all related appurtenant work as specified in project drawings and specifications (Specifications No. 2097) - Product and Service Line Items: - Mobilization (1 unit) - General construction for Basin 8 Toe Improvement (1 unit) - Additional excavation (100 cubic yards) - Import materials (500 cubic yards) - Cathodic protection components (graphite and magnesium anodes, cast iron lids/covers/frames) - Engineering services, security system installation, leak detection controls, instrumentation, and related electrical/mechanical work - Location: - All work will be performed at the Robert B. Diemer Water Treatment Plant, 3972 Valley View Ave, Yorba Linda, CA 92886 - Requirements: - California contractor license (A or C-12) required - Minimum 25% participation by Small Business Enterprise and Disabled Veteran Business Enterprise (SBE/DVBE) firms - Compliance with California Labor Code prevailing wage and registration requirements - Mandatory pre-bid conference attendance for prime bidders - Estimated Contract Value: - Between $820,000 and $1,050,000 - Period of Performance: - Work must be completed within 270 working days after Notice to Proceed - OEMs and Vendors: - No specific OEMs or vendors are named in the solicitation; standard construction and instrumentation components are referenced

Description

This solicitation is for the improvement of the toe of the slope supporting Basin No. 8 at the Robert B. Diemer Water Treatment Plant. The work includes excavation of existing ground material, keying and benching of the subgrade, compaction, restoration with fill and rock rip-rap, and asphalt pavement restoration for the slope access road. The project requires a California contractor license (A or C-12) and has an estimated value between $820,000 and $1,050,000. The contract duration is 270 working days, with a pre-bid meeting scheduled for April 8, 2026, and bids due by April 28, 2026.

View original listing