Active SLED Opportunity · CALIFORNIA · SWEETWATER AUTHORITY

    Preliminary Design and Design Services for the Perdue Sodium Hypochlorite and Liquid Ammonia Sulfate Conversion System

    Issued by Sweetwater Authority
    localRFPSweetwater AuthoritySol. 2026-006
    Open · 36d remaining
    DAYS TO CLOSE
    36
    due May 29, 2026
    PUBLISHED
    Apr 17, 2026
    Posting date
    JURISDICTION
    Sweetwater Authority
    local
    NAICS CODE
    541330
    AI-classified industry

    AI Summary

    Sweetwater Authority seeks design services for converting its disinfection systems to sodium hypochlorite and liquid ammonium sulfate. The project includes evaluation, preliminary and final design, permitting support, and construction support.

    Opportunity details

    Solicitation No.
    2026-006
    Type / RFx
    RFP
    Status
    Bidding
    Level
    local
    Published Date
    April 17, 2026
    Due Date
    May 29, 2026
    NAICS Code
    541330AI guide
    Agency
    Sweetwater Authority

    Description

    *For a full Scope of Services, please refer to the RFP in the Documents section of this solicitation.*TASK 1: PROJECT MANAGEMENTThe Consultant shall perform general project management services.TASK 2: WATER QUALITY AND SYSTEM EVALUATION• 2-A: Sodium Hypochlorite Conversion EvaluationTechnical memorandum summarizing Sodium Hypochlorite Conversion evaluation results and recommendations.• 2-B: Liquid Ammonium Sulfate (LAS) Feed System EvaluationTechnical memorandum summarizing LAS system evaluation and design parameters.TASK 3: PRELIMINARY DESIGNPreliminary Design Report with layouts, design criteria, and cost estimate.TASK 4: FINAL DESIGN60%, 90%, and 100% design packages and final bid-ready design package including specifications, plans, and updated cost estimate.TASK 5: PERMITTING AND REGULATORY SUPPORT (OPTIONAL)Draft and final permit application packages and correspondence logs.TASK 6: BID AND CONSTRUCTION SUPPORT (OPTIONAL)RFI responses, submittal reviews, and record drawings.Submission of all deliverables shall be in PDF format and fully editable electronic files (AutoCAD, Word, Excel, GIS files) as applicable. Pre-Bid Meeting Information: Yes Online Q&A: Yes Location Information: Department: Engineering and Operations Address: 100 Lakeview Avenue, Spring Valley, CA 91977 County: San Diego License Requirements: N/A Other Details: The primary objective is to prepare a preliminary design report and provide design services for converting the Authority’s disinfection and chloramination systems from gaseous chlorine and aqueous ammonia to 12.5% sodium hypochlorite and 40% LAS. Notes: If you have any questions regarding this RFP of the described Scope of Services, please submit them through the PlanetBids question portal before the Q&A deadline.

    Key dates

    1. April 17, 2026Published
    2. May 29, 2026Responses Due

    AI classification tags

    Frequently asked questions

    SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.

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