1 case study: pacific gas & electric company san francisco lifelines council edwards salas...
TRANSCRIPT
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Case Study: Pacific Gas & Electric Company San Francisco Lifelines Council
Edwards SalasSenior Vice President, Engineering and Operations, PG&E
February, 4, 2010
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Today’s Presentation from PG&EToday’s Presentation from PG&E
Coordinate with the Lifelines Council to:• Lifelines Partnership Opportunities
• Design System Standards
• Emergency Planning and Response Activities
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PG&E’s Coordination Goals with the PG&E’s Coordination Goals with the Lifelines CouncilLifelines Council
Coordinate with the Lifelines Council to:• Establish response and recovery priorities
• Facilitate Mutual Logistics Support
• Enhance Effective Communication
Formal acknowledgement that PG&E is a first responder organization
Identify restoration priorities regarding non-PG&E facilities for immediate electric/gas service
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System Map and Customers ServedSystem Map and Customers Served
PG&E Facts Regarding PG&E Facts Regarding Customers Served in Customers Served in CaliforniaCalifornia• 70,000 Square Miles
• 15 Million People Served
• 4.2 Million Gas Customers
• 5.1 Million Electric Customers
• 3,400 Buildings
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Earthquake Risk Management ProgramEarthquake Risk Management Program
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“Each utility shall withstand earthquakes to provide protection of life, limit damage to property, and provide for resumption of utility service in a reasonable and timely manner.” California Seismic Safety
Commission/CPUC Safety Branch
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Federal and State StandardsFederal and State Standards
• Federal Energy Regulatory Commission (FERC)
• Nuclear Regulator Commission (NRC)
• CPUC General Orders
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Design Standards (Examples)Design Standards (Examples)
• Department of Transportation (DOT)
• 2007 California Building Code
• Existing Building Retrofit Standards and Compliance
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Seismic Risk Management ApproachSeismic Risk Management Approach
• Evaluate Facilities and Operations
• Prioritize Selected Facilities for Mitigation
• Implement Mitigation
• Minimize Level of Earthquake Risk
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245 Market Street
11Moss Landing 500kV SwitchyardDamage to Live Tank Circuit Breakers1989 Loma Prieta Earthquake
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Improving PG&E’s System PerformanceImproving PG&E’s System Performance
Gas Pipeline Replacement Program (GPRP) Seismic Tests on Replacement Breakers
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PG&E Seismic Investments PG&E Seismic Investments (1985 to Present)(1985 to Present)
Facilities
• Buildings
• Electric Substations
• Dams and Related Hydro Facilities
• Power Plants
• Gas T&D
• Loma Prieta Repairs
TOTAL BUDGET $2.54 Billion (estimate)
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Improving PG&E’s System PerformanceImproving PG&E’s System Performance
Iso-Base Vacaville Grid Control Center
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Post-Earthquake Emergency Response Post-Earthquake Emergency Response and Restoration Management and and Restoration Management and CoordinationCoordination
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Post-Earthquake Response ScenariosPost-Earthquake Response Scenarios“Expected” and “Extreme” Earthquakes“Expected” and “Extreme” Earthquakes
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Post-Earthquake AssessmentPost-Earthquake Assessment
• Strong Motion Instrument Program
• Post-Earthquake Building Inspection
• Gas and Electric Emergency Response Programs
• GIS
• USGS Shake Maps
• Dam Information Automated Seismic Hazard Assessment
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PG&E’s Emergency Planning and PG&E’s Emergency Planning and Response ActivitiesResponse Activities
• Primary and Alternate Emergency Operations Centers
• ICS/NIMS Incident Management
• Formalized Business Continuity Program – alternate headquarters, “tech down” plans, disaster recovery and resource recovery plans
• Integrated Training and Exercises with Federal, State, and Regional Agencies Including CCSF SFFD and Department of Emergency Management (DEM)
• California Utility Emergency Association (CUEA)
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Emergency Operations Center (EOC)Emergency Operations Center (EOC)
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Lifelines Comparison—DependenciesLifelines Comparison—Dependencies
What are PG&E’s Dependencies?What are PG&E’s Dependencies?• CommunicationsCommunications
• TransportationTransportation
• Public SafetyPublic Safety
• Emergency Medical ServicesEmergency Medical Services
Who’s Dependent on PG&E?Who’s Dependent on PG&E?• All other utilitiesAll other utilities
• All 18 Emergency Support Functions All 18 Emergency Support Functions (includes most city and county services)(includes most city and county services)
• BusinessesBusinesses
• ResidencesResidences
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Service Area OverviewService Area Overview
• PG&E's gas and electric network is interconnected throughout our service area.
• Restoration of lifelines in the San Francisco Bay Area will be impacted by the condition and capacity of the larger network after a major event.
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So What Can Residents Expect?So What Can Residents Expect?
• Minimum of 72 hours electric service interruption in red and orange areas of the Shake maps.
• Longer electric service restoration times where underground utilities are subject to liquefaction.
• Potentially weeks and months of gas service interruption in red and orange areas of the shake maps.
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Questions and AnswersQuestions and Answers
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Thank You