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Upcoming RFQ for PDB of the Pure Water Southern Water Purification Treatment Facility

Project Description: The Pure Water Southern California Program (Program) is a partnership between the Metropolitan Water District of Southern California (Metropolitan) and the Los Angeles County Sanitation Districts (Sanitation Districts) to reuse treated wastewater that is currently discharged to the ocean. At full build-out, the Program will help meet the region's needs by providing up to 150 million gallons (mgd) of water daily. Phase 1 of the Program is planned to produce 115 mgd of purified water primarily for groundwater replenishment and raw water augmentation at Metropolitan's existing water treatment plants through direct potable reuse.
Metropolitan will be seeking qualifications from firms to design and construct an Advanced Water Purification Facility (AWPF) co-located at the Sanitation District's A.K. Warren Water Resource Facility using a progressive design-build delivery method. The project will require pump stations, chemical storage and feed systems, procurement and installation of various advanced water treatment processes such as membrane bioreactors, reverse osmosis, and ultraviolet disinfection with advanced oxidation, and various electrical improvements including switchgear, solar power, and battery storage.
Additional ancillary and support facilities will include laboratory, administration, maintenance, and outreach buildings.
Other Program components, including the conveyance, pumping, and groundwater recharge facilities, will be advertised separately using either design-bid-build or alternative delivery methods (to be determined).
The approximate estimated design and construction cost of Phase 1 AWPF is between $1.5 and $2.0 billion.
Project Location: A.K. Warren Water Resource Facility, 24501 South Figueroa Street, Carson, CA 90745
Tentative Schedule:
Issue RFQ No. 1365 to select an AWPF design-build firm in first half of 2024.
Award a progressive design-build contract: December 2024
Initial AWPF delivery of up to 30 mgd by 2030
Phase 1 AWPF delivery of up to 115 mgd by 2032
Contract Documents: Will be available free of charge on Metropolitan's bid system by logging on to PlanetBids, at
Small Business and Disabled Veteran Business Participation Requirement: minimum 25%.
This project will subject to requirements of a Project Labor Agreement available at this link:
Questions regarding this project: email This email address is being protected from spambots. You need JavaScript enabled to view it.

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