Joint Water Pollution Control Plant Tunnel and Ocean Outfall Project

Abstract
The Joint Water Pollution Control Plant Tunnel and Ocean Outfall Project, if constructed, would be one of the major marine outfall projects in the world. The new system would provide relief to the existing outfall and allow inspection, maintenance, and repair of the existing tunnel and outfall system. Significant challenges include crossing seismically active faults, and potentially encountering up to 11 bars of water pressure, as well as gassy and contaminated ground conditions.

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2007
Rapid Excavation and Tunneling Conference (RETC) Proceedings

Steve Dubnewych
Jacobs Associates

Jon Kaneshiro

Parsons Water & Infrastructure Inc.

Calvin Jin

Sanitation Districts of Los Angeles County

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