Lift Station Replacement

Arroyo Grande, CA – The former 30-year-old sewer lift station consisted of a dry well and wet well pump configuration, along with a motor control center and instrumentation located below grade. The pumps were nearing the end of their service life, and maintenance of the pumps, due to access constraints, was challenging. Wallace Group provided design services to upgrade the facility by replacing the existing pumps, installing new pumps in a new wet well, replacing existing discharge piping and instrumentation, and installing a new generator. The work approach was designed so that the station could remain online as much as possible, thereby minimizing downtime or the need for system bypass measures. We then transitioned into construction management services, assisting the City with successful completion of the project with minimal cut-over and a smooth startup.

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