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EBMUD: A Decade of Seismic Mitigation Progress – More Work to Do

Presentation to ABAG Regional Planning Committee December 3, 2008. EBMUD: A Decade of Seismic Mitigation Progress – More Work to Do. By Bill Cain, S.E. Project Manager Seismic Mitigation Planning Member, ABAG Lifeline Infrastructure and Hazards Committee. BACKGROUND. EBMUD:

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EBMUD: A Decade of Seismic Mitigation Progress – More Work to Do

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  1. Presentation to ABAG Regional Planning Committee December 3, 2008 EBMUD:A Decade of Seismic Mitigation Progress – More Work to Do By Bill Cain, S.E. Project Manager Seismic Mitigation Planning Member, ABAG Lifeline Infrastructure and Hazards Committee

  2. BACKGROUND • EBMUD: • Provides water to portions of Alameda & Contra Costa Counties • Serves: • 1.3 million people • 20 Cities • 15 Communities • Water Sources: • Normal: Mokelumne River with some local supply • Drought years: Will also supply from American River via Folsom South Canal ebmud.com

  3. EBMUD Water Supply System ebmud.com

  4. EBMUD Water Supply System“From Snowflakes to the Bay” ebmud.com

  5. EBMUD Facilities • EBMUD Facilities date from 1880s to the Present: • 170 Distribution Reservoirs • 130 Distribution Pumping Plants • 4200 miles of Distribution Pipe • 270 Miles of Raw Water Transmission Pipe • 3 Terminal Storage Reservoirs (Raw Water) • 2 Emergency Storage Reservoirs • 18 Tunnels ebmud.com

  6. Bay Area Faults Midland Mt. Diablo Thrust ebmud.com

  7. EBMUD Seismic Hazards DELTA: Liquefaction, Flooding ebmud.com

  8. Where Do We Stand? • Physical Facilities • Completed (2006) 10 Year Seismic Improvement Program for Distribution System • Completed (2005) Seismic Strengthening of Mokelumne No. 3 Aqueduct • Begun the Seismic Upgrades for San Pablo Dam (scheduled completion – Spring 2010) ebmud.com

  9. How Will We Respond • Operational Preparations • Established Emergency Operations Team (1993) • Guides District Operations & Recovery following disaster • 65 Members, plus each position has a backup and alternate • Liaison to Cities, Counties, Office of Emergency Services • Developed Emergency Response Plan for Aqueducts in the Delta including stockpiling materials • Developed Emergency Response & Business Continuity Plans for Hayward, Calaveras and Concord EQs for all EBMUD Departments • Regularly exercises its emergency response plan ebmud.com

  10. ebmud.com

  11. What We Are Planning? • EBMUD will: • Re-evaluate Seismic Performance of System. • Perform Additional Seismic Upgrades • Monitor State-of-the-Art Seismic Lifeline Engineering • Continue to Improve Response Plans including Joint Exercises with Outside Agencies (Cities, Counties, Water Agencies. • Consider both Raw and Treated Water Systems. • Make Seismic Improvements to Vulnerable Delta Facilities • Short Term: Cross Connections & Scour Protection • Medium Term: Plan for hardening vulnerable areas • Long Term: Improve vulnerable link through Delta • Large Investment will be required ($1 Billion Range) • Heavily Impacted by State Delta Vision Process ebmud.com

  12. Goal: A Safer Tomorrow ebmud.com

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