Supply of Reverse Osmosis (RO) Membranes for the Juanita Millender-McDonald Carson Regional Water Recycling Plant

The West Basin Municipal Water District is soliciting quotations for the supply of 852 reverse osmosis (RO) membrane elements measuring 8 x 40 inches, along with associated spare parts and equipment, for the Juanita Millender-McDonald Carson Regional Water Recycling Plant located in El Segundo, California. The procurement includes 792 membrane elements for initial installation and 60 as spares, new membrane element interconnectors, end-cap adapters, O-rings, and related spare parts compatible with Advanced Structures Codeline Model 80A45 6-element pressure vessels. Qualified bidders must deliver all materials within 60 consecutive calendar days from the Notice of Award or by April 26, 2026, whichever is earlier, with the supplier receiving a 0.25% evaluation credit per day for accelerated delivery and subject to liquidated damages of $8,600 per calendar day for delays. The supplier must provide on-site representation during membrane installation, complete technical documentation including shop drawings and factory testing reports, and system performance warranty coverage for three years from the start of System Performance Testing, with membrane elements warranting initial sodium rejection within 20 percent of projected values and sustained rejection greater than 99.0 percent during the warranty period. All membranes must be manufactured in accordance with ISO 9000-9001 standards and meet NSF Standard 61 certification requirements, and bidders must submit separate pricing for membrane elements, spare parts per Exhibit A, applicable sales tax of 9.75%, and freight costs delivered to the Edward C. Little Water Recycling Facility in El Segundo. The deadline for questions and comments is February 16, 2026, at 2:00 p.m., with quotations due on February 26, 2026, at 2:00 p.m., submitted electronically through the OpenGov procurement system at https://procurement.opengov.com/portal/westbasin, and quotation validity must be maintained for at least 90 days from the closing date. Contract award will be made to the responsive bidder with the lowest total cost.

West Basin's Small and Local Business Enterprise Program offers evaluation incentives including a 3% reduction for Small Business Enterprises (SBEs) or Local Business Enterprises (LBEs) proposing as prime contractors, or 6% if both designations apply, and a 1% reduction for prime bidders utilizing SBE or LBE subcontractors receiving at least 30% of total compensation. Vendors must comply with the Build America, Buy America (BABA) Act requirement confirming that product components are 65% domestically sourced if applicable, though West Basin has expressed a preference for American-manufactured products without making this a mandatory requirement. The district requires submission of a completed Vendor Information Request Form and W-9 form, along with proof of appropriate certifications and signature authority documentation. Vendors must maintain comprehensive insurance coverage including $2,000,000 commercial general liability, $1,000,000 automobile liability, workers' compensation insurance, and $1,000,000 pollution liability insurance for hazardous materials transport. Standard payment terms are Net 30 days, with invoicing directed to invoices@westbasin.org, and all vendors must comply with California Prevailing Wage Laws for applicable public works projects exceeding $1,000 in total compensation. No specific budget value or award amount is disclosed in the solicitation; however, the contract pricing structure will encompass the cost of 852 membrane elements, spare parts, sales tax, and freight delivery charges to the specified facility location.