Geotechnical study for SFPUC - AWSS Project
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Auxiliary Water Supply System

The San Francisco Auxiliary Water Supply System (AWSS) is a high pressure water distribution system designated solely for fighting fires in the City. Ownership and maintenance of this system was transferred from the San Francisco Fire Department (SFFD) to the SFPUC in May 2010.

The AECOM/AGS Joint Ventured assisted the SFPUC in planning for the AWSS pipelines, control system,seawater intake tunnels, and cisterns, as well as planning-level assessment of the effects of proposed AWSS modifications on fire insurance premiums for property owners in San Francisco.

AGS performed a geotechnical study for the project. The geotechnical study included field exploration, laboratory testing, and engineering analyses. AGS’ scope of work included:

  • Pipes & Tunnels Study for AWSS – Supplemental Geotechnical Services
  • Geotechnical, Seawater Intake Tunnels (geotechnical support), alternatives analysis.
  • Supplemental Geotechnical Services, Pump Station alternatives geotechnical support.
  • Supplemental Geotechnical study for cisterns.
  • Geotechnical Support for soil structure interaction analysis.
  • Restatement of Reliability and Risk and Recommended Projects.
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Date
Category
Water/Wastewater Infrastructure
Tags
awss, engineering analysis, field exploration, geotechnical study, laboratory testing, soil structure interaction analysis