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Published byChastity Ford Modified over 8 years ago
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1 Delta-Suisun Marsh Branch Department of Water Resources CWEMF Annual Meeting – DRMS Discussion 02/27/2007 Delta Rick Management Strategy
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2 DRMS Development of DRMS 2000 CALFED ROD Called for Risk Assessment of Delta Levees 2005 – Levee Risk Analysis Team – Did Preliminary Work – Seismic only – Also Developed Project Scope for DRMS 2005 – AB 1200 Enacted
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3 DRMS - AB 1200 (CWC 139.2) Sets General Framework for DRSM -DWR Shall Evaluate Potential Impacts on 50, 100, 200-year projections on possible impacts to Delta from: -Subsidence - Earthquakes - Floods - Climate Change - & Combination of above
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4 DRMS AB 1200 Continued (CWC 139.4) –DWR/DFG to Determine Principal Options for Delta – DWR to comparatively rate for ability to: Prevent Disruption of Water Supplies Derived from Delta Improve the Quality of Water Supplies Derived from Delta Reduce Salts, Maintain Water Quality Preserve, Protect, Improve Delta Levees Protect Water Rights/Environments of River Systems Protect Infrastructure within Delta –DFG shall rate all options for its ability to restore salmon & other fisheries that use the Delta –Report Due – January 2008
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5 DRMS Contract Information –URS Corporation, Oakland, CA Over 20 subcontractors –Contract is for $10,000,000 Approved by DGS - March 6, 2006 3-year contract Includes a new LiDAR aerial survey of Delta
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6 DRMS Technical Advisory Committee: –Dr. Raymond Seed, University of California, Berkeley –Dr. Norm Abrahamson, Independent Seismological Consultant –Gilbert Cosio, P.E., MBK Engineers –Dr. Wim Kimmerer, San Francisco State University, ERP Science Board –Dr. Peter Moyle, University of California, Davis, ERP Science Board –Roger Fujii, United States Geological Survey –Jon Burau, United States Geological Survey
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7 DRMS STEERING COMMITTEE Includes Members Representing: –TAC Members –USACE –DFG –CBDA –USBR –Delta/Suisun Marsh Experts –Public –SWC –CVP Contractors
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8 DRMS Phase 1 Development of a Risk Analysis to Evaluate the Impact to Delta Levees from: –Floods –Earthquakes –Subsidence –Normal Conditions –Climate Change Determine Consequences to Economy & Eco-System based on Risks Found Risk Assessment Report due mid-March ’07 –Public Draft mid-April 2007 –Independent Review by CALFED – Apr – Jun ‘07
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9 DRMS Phase 2 Development of Risk Reduction/Risk Management Strategies for Long-Term Management of Delta –Draft Final Report Due August ’07 –Public Review Draft – Sep ’07 –Independent Review by CALFED – Sep – Nov ’07 –DRMS Final Report – NLT Jan 1, 2008
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10 DRMS Independent Review Panel (IRP) –CALFED ISB Assembled appropriate review team –IRP members will meet w/ consultant team, DWR/DFG/COE, TAC/SC members, others –Review methods, analyses & findings –Review Phase 1 and 2 Reports –Produce formal reports on findings
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