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Pacific City Infrastructure Project – Olivenhain and Coast Highway


Pacific City Infrastructure

Location: Orange County, California

Olivenhain and Coast Highway 101 Sewer Force Mains Replacement, Manchester Avenue Water Main Extension and OMWD Emergency Interconnect

Construction of dual 14-inch sewer force main lines and a new 12-inch waterline, both of which are located within Manchester Avenue in the City of Encinitas. Abandonment and partial removal of the existing 14-inch DIP sewer force main adjacent to the San Elijo Lagoon. Scope included removal and replacement of 4-inch force sewer main on Highway 101. High groundwater conditions with very sandy and loose or “Type C Soils” conditions, which require trench shoring.

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