Listed below are projects that are currently in progress. View recently completed projects.
Cotati Tank No. 3 Recoat
The Work consists of recoating Cotati Tank No. 3 located at 1380 West Sierra Avenue, near the City of Cotati. The Work includes repairing corroded structural steel features within the tank, installing lateral bracing, applying protective coating to tank interior, painting tank exterior, installing new cathodic protection system for long term corrosion prevention, expanding a concrete foundation, and other miscellaneous improvements.
Date Started: February, 2025
Contract Amount: $6,962,100
Contractor: Viking Industrial, La Vista, NE
SVCSD Treatment Plant Influent Effluent Pumping and Piping Upgrade
The Work consists of the replacement of the eight existing influent and effluent pumps housed in the existing building basement of the Sonoma Valley County Sanitation District’s Treatment Plant Influent/Effluent building, all exposed influent suction and discharge piping, valves, flow meters and associated electrical and control equipment located at 22675 8th Street East in Sonoma, California. The Work includes the demolition of all existing pumps, piping, electrical and control equipment within the building; installation of five new 85 horsepower dry pit submersible influent pumps and associated piping and valves within the existing building basement; construction of a new exterior effluent pump station adjacent to the building with three 250 horsepower vertical turbine pumps in sub-grade pump cans with associated piping and valves; installation of two slide gates in the existing exterior headworks channels; modifications to the existing exterior influent and effluent wet wells; installation of eight variable frequency drives (VFDs) and back-up reduced-voltage soft starters (RVSS) in the building; installation of a programmable logic controller (PLC) and associated equipment; plc programming and supervisory control and data acquisition (SCADA) integration to control the new equipment; and associated civil site work adjacent to the building.
Date Started: August, 2024
Contract Amount: $10,658,200
Contractor: W.M. Lyles & Co., Rockin, CA
Sonoma Valley County Sanitation District Sewer Trunk Main Replacement Phase 5A
The Work consists of construction of the sewer trunk main replacement located between the north end of Happy Lane and the intersection of Lichtenberg Avenue and Johnson Avenue in the unincorporated area of Boyes Hot Springs, California. The Work includes the replacement of approximately 3,100 linear feet of 21-inch diameter trunk sewer main with the installation of 24-inch diameter trunk sewer main, replacement of 6-inch side sewer main with 8-inch diameter side sewer main, trenchless installation of trunk sewer, associated manholes, and re-connection of existing connecting sewer lines.
Date Started: June, 2024
Contract Amount: $6,334,708
Contractor: Mountain Cascade, Inc. Livermore, CA
Santa Rosa Plain Water Supply Sebastopol Road Well Activation
The Work consists of construction of improvements to the Sebastopol Road well located at 5590 Sebastopol Road, Santa Rosa, California. The Work includes installation of the following items: aquifer recharge valve; approximately 300 linear feet of 12-inch diameter ductile piping; refurbished vertical turbine well pump and pump column piping; fiberglass buildings; chemical dosing systems; pump to waste systems; control valves; instrumentation; and related mechanical, electrical, and controls equipment, including integrating and commissioning modes of operation for long-term operation of the well.
Date Started: April, 2024
Contract Amount: $3,102,798
Contractor: TerraCon Constructors, Inc., Healdsburg, CA
Ely Booster Station Hazard Mitigation
The Work consists of construction of Owner’s Ely Booster Station Hazard Mitigation located on Ely Road North in an unincorporated area of Petaluma. The Work includes demolishing and replacing existing structures and appurtenances, including the switchgear, pump motor housing structure, valve actuators, and anchoring equipment, and elevating and sealing the electrical and mechanical appurtenances, including the existing generator, above the 500-year floodplain.
Date Started: June, 2022
Contract Amount: $2,666,666
Contractor: Royal Electric Company, Sacramento, CA