City of Long Beach Buyspeed #UD-27-369

Long Beach Utilities evaluates polymer-blend coagulants for groundwater treatment

Long Beach Utilities is screening polymer-blend coagulants for possible use in future groundwater treatment procurement. - Buyer: Long Beach Public Utilities Department, Operations Bureau — Water/Sewer Operations. - Requested product: Submit up to two polymer-blend coagulant products, with one 1,000-mL sample per product; an additional 4,000 mL may be requested for a product selected for pilot testing. No specific brand or part number is required. - Requirements: Current NSF/ANSI/CAN 60 certification, Safety Data Sheet, technical data sheets, molecular-weight distribution information, and specified DOT-approved sample-return materials. Molecular-weight distribution ranges are over 10,000 amu: 32–70%; 1,000–10,000 amu: 15–58%; and under 1,000 amu: 10–15%. - Evaluation: Bench-scale jar testing with ferric chloride; products achieving at least 30% TOC removal may advance to pilot testing. Pilot targets include 5 CU finished-water color, turbidity below 0.10 NTU, 35% TOC removal, and filter headloss below 4 feet per 24 hours. Sludge production, pH impacts, chemical demand, operational effects, and cost effectiveness are also considered. - Previously approved manufacturer/product examples: Kemira — PAX-XL-37A3, PAX-XL-39A3; Sweetwater — CP8805B, CP8807B; General Chemical — Clar-ion A415P; Summit — 803-B; Polydyne — PRX-B29. - Procurement context: This is product pre-approval and evaluation, not a request for pricing or a commitment to buy. Only products that pass pre-approval may be considered in a later competitive solicitation.

Description

Long Beach Public Utilities Department is seeking polymer-blend coagulant products for evaluation and pre-approval ahead of a future competitive procurement. This is not a bid solicitation or request for pricing, and it does not commit the department to purchase or result in a contract award. Vendors may submit up to two products, with samples and specified certification, safety, and technical documentation; submissions are due December 8, 2026. Products passing bench-scale testing may advance to pilot testing, and only pre-approved products may be considered in the later solicitation.

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