Site work for a civil project in Petaluma, California. Completed plans call for site work for a water / sewer project.

The Ellis Creek Water Recycling Facility (Ellis Creek) is located at the south eastern boundary of Petaluma and is bound by Highway 116 (Lakeville Hwy), the Petaluma River, Shollenberger Park, wetlands and agricultural land. Ellis Creek has two existing outfalls, one original outfall constructed across the wetlands to a submerged outfall in the Petaluma River, with support structure; and an emergency outfall directed to the nearby drainage channel which was constructed as a temporary measure to be used if the original outfall fails. The original outfall was constructed in 1976 and is showing physical deterioration. Inspection showed transvers and longitudinal cracking of the pipe and noted the material is likely Techite. In response to the inspections and possible failure the City was granted emergency authorization to construct a temporary outfall to be used as a contingency bypass in case of a failure. It is incumbent on the City to replace the temporary outfall with a permanent solution, and at which time the original outfall will be abandoned. A preliminary design has been prepared by GHD Inc. for a preferred layout and to begin discussions with regulatory agencies. Environmental permitting services to be provided by an environmental design firm. The City has recently advertised for a consultant to take the concept through design and into construction. The City is seeking a qualified construction manager to assist with the project to minimize the impact facility operation and staff while ensuring timely, quality completion. For question or clarifications contact Josh Minshall, P.E. by phone (707) 776-3785 or by email at jminshall@cityofpetaluma.org.