Crystal Springs Pipelines No. 2 – Replacement

Unincorporated San Mateo County, Hillsborough, Burlingame, Millbrae, South San Francisco, Brisbane, Daly City & San Francisco, CA


San Francisco Public Utilities Commission


SFPUC Engineering and Design Bureau

Construction Manager:

San Francisco Public Utilities Commission

Contract Value:


Project Description:

Replacement of approximately 1.3 miles of Crystal Springs Pipelines No.2 (CSPL2) at 12 separate sites. Sliplined approximately 3.5 miles of CSPL2 along El Camino Real in the City of Millbrae and the City of Burlingame, and inside the PG&E Martin Station in the city of Daly city and the City of Brisbane. Relocated approximately 0.3 miles of CSPL2 in the city of South San Francisco. Reconfigured, removed and retrofitted pipe support piers at 2 San Mateo Creek crossing locations consistent with modified bridge design plans. Recoated, repainted and screened exposed CSPL2 pipeline at 6 locations. Installed and replaced the cathodic protection system at 9 sites and installed electrical isolation at 31 sites. 8,000 LF of 60″ diameter pipe. Sliplined 18,000 LF of 48″ pipe. Environmental issues were unremarkable, regular to PUC project.

Project Information:

Status: Past
Category: Water Transmission,
Client Type: City, San Francisco,