Transcript Delta Flood Protection Program

Delta Rick Management Strategy
US Army Corps
of Engineers
CWEMF Annual Meeting – DRMS Discussion
02/27/2007
Delta-Suisun Marsh Branch
Department of Water Resources
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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
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2005 – AB 1200 Enacted
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DRMS
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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:
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Subsidence
Earthquakes
Floods
Climate Change
& Combination of above
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DRMS
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AB 1200 Continued (CWC 139.4)
– DWR/DFG to Determine Principal Options for Delta – DWR
to comparatively rate for ability to:
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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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DRMS
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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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DRMS
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Technical Advisory Committee:
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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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DRMS
STEERING COMMITTEE
Includes Members Representing:
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TAC Members
USACE
DFG
CBDA
USBR
Delta/Suisun Marsh Experts
Public
SWC
CVP Contractors
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DRMS
Phase 1
• Development of a Risk Analysis to Evaluate the Impact to Delta
Levees from:
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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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DRMS
Phase 2
 Development of Risk Reduction/Risk
Management Strategies for Long-Term
Management of Delta
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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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DRMS
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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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