SLED Opportunity · CALIFORNIA · CALAVERAS COUNTY WATER DISTRICT

    ARNOLD WWTF PHASE I IMPROVEMENTS PROJECT

    Issued by Calaveras County Water District
    educationRFPCalaveras County Water DistrictSol. 206001
    Closed
    STATUS
    Closed
    due Dec 16, 2025
    PUBLISHED
    Posting date
    JURISDICTION
    Calaveras County
    education
    NAICS CODE
    237110
    AI-classified industry

    AI Summary

    Calaveras County Water District seeks sealed bids for the Arnold WWTF Phase I Improvements Project involving wastewater treatment facility upgrades, electrical system replacement, and installation of new treatment equipment. Bids due by December 16, 2025.

    Opportunity details

    Solicitation No.
    206001
    Type / RFx
    RFP
    Status
    Active
    Level
    education
    Published Date
    Due Date
    December 16, 2025
    NAICS Code
    237110AI guide
    Agency
    Calaveras County Water District

    Description

    CALAVERAS COUNTY WATER DISTRICT ARNOLD WWTF PHASE I IMPROVEMENTS PROJECT Sealed bids for the construction of the Arnold WWTF Phase I Improvements Project will be received by Calaveras County Water District at the office of Calaveras County Water District at 120 Toma Court, San Andreas California 95249 until 2:00 PM local time on December 16, 2025, at which time the Bids will be publicly opened and read. This Project is located in Calaveras County and work will take place at the Arnold WWTF. This project will add a new secondary clarifier with new effluent pump, new metering and flow splitting structures, replacement Return Activated Sludge and Waste Activated Sludge (RAS/WAS) pump station, two additional aerobic digesters with submersible self-aspirating aerators, new electrical and control building with new motor control center and master control panel, upgraded PG&E power service, new generator, and associated improvements to yard piping, grading, paving, power and control conduit and wiring, instrumentation, and PLC/SCADA controls. The work involves upgrading an existing wastewater treatment process and complete replacement of the electrical and control system for that facility. Careful sequencing and coordination of the work in accordance with contract requirements and best practices will be required to maintain existing facility operations and avoid unplanned interruptions. The Engineer’s estimate of probable construction cost is $8.5 million.

    Key dates

    1. December 16, 2025Responses 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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