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Sonoma County Leachate Pipeline
Cotati Trunk Sewer Connection

Project # W06985

Status: Complete


  • Construction of a new segment of leachate conveyance piping between the existing leachate pipeline and Cotati's trunk sewer along Stony Point Road.
  • Removal of the existing connection between the leachate pipeline and the Rohnert Park trunk sewer.
  • Demolition and abandonment of the existing leachate pipeline bridge crossing at the Stony Point Road and Laguna de Santa Rosa bridge.
  • Addition of a flow measurement device in an existing Cotati trunk sewer manhole upstream from the proposed leachate pipeline connection.
  • Cleaning and video inspection of the Cotati trunk sewer from the point of connection to the Santa Rosa Waste Water Treatment Plant.

View/Download Bid Results (PDF)

View/Download Bid Tabulation (PDF)


Sealed bids will be received by the Clerk of the Board of Supervisors, Room 100A, 575 Administration Drive, Santa Rosa, CA 95403, until 2:00 PM as determined by the clock on the wall of the Office of the Clerk of the Board of Supervisors, on January 28, 2015 at which time they will be transferred to the Board of Supervisors’ Caucus Room where they will be publicly opened and read aloud by the Director of Transportation and Public Works, or her designee. The Board of Supervisors will review the bids and consider awarding the project within 60 days of bid opening.

Bid Documents

Contact Information

Johannes J. Hoevertsz


Transportation & Public Works
Business Hours
Monday – Friday
8:00 AM – 5:00 PM
Contact us by Phone
Office Location
La Plaza B
2300 County Center Drive
Suite B 100
Santa Rosa, CA 95403
38.462006, -122.725384