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Tri-Valley Local Hazard Mitigation Plan; Volume 1—Planning-Area-Wide Elements viii Appendices Appendix A. Hazard Mitigation Survey Results Appendix B. Summary of Federal and State Agencies, Programs and Regulations Appendix C. Risk Assessment Mapping Methodology Appendix D. Plan Adoption Resolutions from Planning Partners Appendix E. Progress Report Template Appendix F. Steering Committee Meeting Materials Tables Table 2-1. Plan Changes Crosswalk ....................................................................................................................... 2-3 Table 3-1. Steering Committee Members ............................................................................................................... 3-2 Table 3-2. Municipal and Special District Planning Partners ................................................................................. 3-3 Table 3-3. Plan Development Chronology/Milestones ........................................................................................ 3-14 Table 4-1. Planning Area Building Counts by Occupancy Class ........................................................................... 4-6 Table 4-2. Planning Area Replacement Value ....................................................................................................... 4-7 Table 4-3. Annual Population Data ...................................................................................................................... 4-12 Table 5-1. Presidential Disaster Declarations ......................................................................................................... 5-1 Table 5-2. Tri-Valley Hazard Comparison with California State Hazards ............................................................. 5-2 Table 6-1. Summary of Relevant Federal Agencies, Programs and Regulations ................................................... 6-1 Table 6-2. Summary of Relevant State Agencies, Programs and Regulations ....................................................... 6-3 Table 6-3. Integration of Hazard Mitigation Plan With Other Plans and Programs ............................................... 6-8 Table 7-1. Risk Assessment Data Sources ............................................................................................................. 7-5 Table 8-1. State of California Downstream Hazard Potential Classification ......................................................... 8-2 Table 8-2. Del Valle Dam Characteristics .............................................................................................................. 8-4 Table 8-3. Patterson Dam Characteristics .............................................................................................................. 8-5 Table 9-1. State Drought Management Program .................................................................................................... 9-5 Table 9-2. Projected Normal Year Water Supply and Demand Comparison ......................................................... 9-7 Table 9-3. Water Shortage Contingency Plan Levels ............................................................................................. 9-8 Table 10-1. Mercalli Scale and Peak Ground Acceleration Comparison ............................................................. 10-3 Table 10-2. NEHRP Soil Classification System .................................................................................................. 10-6 Table 10-3. Recent Earthquakes Magnitude 4.0 or Larger Near Planning Area .................................................. 10-6 Table 10-4. Earthquake Probabilities for the San Francisco Bay Area, 2014-2043 ........................................... 10-10 Table 10-5. Earthquakes Modeled for Risk Assessment .................................................................................... 10-17 Table 10-6. Age of Structures in Planning Area ................................................................................................ 10-27 Page 73 of 228