Santa Clarita Valley Water Agency PlanetBids #CIP27-1009/8.3

Engineering Design for SCV Water PFAS Treatment Facility at Four Wells

Santa Clarita Valley Water Agency is seeking engineering design services for a centralized PFAS treatment facility serving four groundwater wells. - Government buyer: Santa Clarita Valley Water Agency (SCV Water), Engineering, Santa Clarita, California. - Scope: Design a facility for Wells E-14, E-15, E-16, and E-17, potentially including Saugus 6 Well. The planned system has a 4,800-gpm design capacity and includes cartridge pre-filtration, three lead-lag ion-exchange trains, chloramine disinfection, pumping, electrical and SCADA systems, buildings, and site and utility improvements. - Planned equipment: 3 cartridge filter housings; 6 ion-exchange vessels; 1 liquid ammonium sulfate storage tank and 1 duplex metering pump skid; 1 on-site sodium hypochlorite generation system, 1 brine tank, 1 sodium hypochlorite storage tank, and 1 duplex metering pump skid; and 4 well pumps. No part numbers or equipment manufacturers are specified. - Key design criteria: Cartridge filters are planned for 5-micron nominal filtration. The ion-exchange vessels are arranged in three lead-lag trains. The design includes 40% liquid ammonium sulfate and on-site-generated 0.8% sodium hypochlorite. Proposed treated-water goals are PFOA and PFOS at 2 ng/L and a PFAS hazard index below 0.8. - Design deliverables and requirements: Investigations, treatment and facility design, permitting assistance, coordination, QA/QC, drawings, specifications, calculations, cost estimates, and required materials/product lists. Deliverables include 90% design and 100% final stamped plans and specifications, applicable NSF/ANSI 61, BABAA, and AIS lists, and a digital 3D site model with rendering and virtual walkthrough capability. - Funding and compliance: The project is partially funded by an EPA community grant and must follow applicable grant guidance, including federal domestic-content requirements. No OEMs are identified in the materials. - Named prospective engineering firms: Aqueous Vets; Black & Veatch; Carollo Engineers, Inc.; EKI Environment & Water Inc.; Encompass Consultant Group, Inc.; Groundwater Solutions, Inc.; Michael Baker International, Inc.; N2W Engineering; and Water Works Engineers. - Schedule: The consultant and SCV Water will establish the work schedule; the overall duration and end date are not stated.

Description

Santa Clarita Valley Water Agency is soliciting qualifications for design services for PFAS groundwater treatment improvements at Wells E-14, E-15, E-16, and E-17. The selected consultant will provide design services for the groundwater treatment improvements; the source directs prospective respondents to the attached RFQ for the detailed scope. Submit a Statement of Qualifications as a single PDF through PlanetBids, with no cost or pricing information included. Following qualifications-based evaluation, the agency will seek a scope and fee proposal from the highest-ranked consultant for negotiation.

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