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Northern California Earthquake Hazards Workshop 12 February 2014

Earthquake Risk Management Program Pacific Gas & Electric Company Kent Ferre, SE Manager Geosciences Department. Northern California Earthquake Hazards Workshop 12 February 2014. PG&E’s Service Territory. 70,000 Square Miles 15 Million People Served 4.3 Million Gas Customers

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Northern California Earthquake Hazards Workshop 12 February 2014

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  1. Earthquake Risk Management Program Pacific Gas & Electric CompanyKent Ferre, SEManagerGeosciences Department Northern California Earthquake Hazards Workshop 12 February 2014

  2. PG&E’s Service Territory 70,000 Square Miles 15 Million People Served 4.3 Million Gas Customers 5.1 Million Electric Customers 3,400 Buildings • Fun Facts:

  3. Mega Infrastructure!

  4. Fault Crossing Mitigation Line 103 San Andreas Fault Crossing – Creeping Section Installed in 1930 – 44” total displacement after 83 years!

  5. Lifelines Research Qualification Testing of High Voltage Electrical Equipment Transformer Bushings Switches CCVTs Circuit Breakers

  6. Lifelines Research – Advanced Assessments • 8-story steel moment frame • Pre-Northridge connections • Performance evaluated using a probabilistic approach • Predicted tagging based on capacity to withstand aftershocks

  7. Lifelines Research Non-code compliant - out-of-plane anchorage testing

  8. Vacaville GCC Iso-Base

  9. Embarcadero Z Larkin Y A-Y (115kV) 0.6 mi, 230kV single circuit 0.6 mi, 115kV single circuit 1.2 mi, 115kV single circuit 4th at Folsom Mission X 2.3 mi, 230kV single circuit 115kV single circuit (on common poles) Potrero A A-X (115kV) 3.8 mi, 230kV single circuit H-Z (230kV) Martin H Restoration Concept—SF

  10. Oakland Underground Cable Restoration KD-1 (Option B, New OH Line), 0.3 mi Clairemont K KD-2 (Option B, New OH Line), 0.5 mi Hayward Fault Transition point, Typ. KD-1 (Existing UG) KD (Option A, New OH full distance), 2.6 mi KD-2 (Existing UG) Oakland D

  11. Emergency Response DASH for Corporate Real Estate

  12. In Conclusion: • An effective seismic risk management program + highly technical, dedicated staff + accountability + management support + effective communication = An acceptable level of earthquake risk

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