New Orleans District

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New Orleans District
Morganza to the Gulf
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Mississippi River and Tributaries Morganza,
Louisiana to the Gulf of Mexico
Hurricane Protection Evaluation

• Morganza Feasibility Report 2002
• Louisiana Coastal Protection and Restoration
  Evaluation (LACPR) (on-going)
• Revised Cost Estimate Report
• Post Authorization Change (PAC) Report

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2002 Feasibility Report
Summary Results
(2000 Price Level, 6 5/8 Interest Rate)
National Economic Development (NED) Plan

• Construction Costs 680 million
• Equivalent Annual Benefits 77.2
  million
• Equivalent Annual Costs 53.9 million
• B/C Ratio 1.43
• Net Benefits 23.3 million

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Morganza to the Gulf Alternative
Alignments
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4 Accounts

• National Economic Development (NED)
• Environmental Quality (EQ)
• Regional Economic Development (RED)
• Other Social Effects (OSE)

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NED Account
(Assets/Property at Risk)

• Damages to Residential and
  Non-Residential Properties
• Damages to Large Recreational and Commercial Boat
  Fleets
• Emergency Costs
• Losses to Agricultural Resources
• Damages to Infrastructure
• Reduction in Salt Water Intrusion

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Damages to Residential and Non-Residential
Properties
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NED Considerations

• Damages to Large Recreational and Commercial
  Fleets
• Fishing Vessels
• House Boats
• Losses to
  Agricultural
  Resources
• Sugar Cane
• Soybeans
• Crawfish Farming

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NED Considerations
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Emergency Costs

• Government Emergency Response
• Evacuation and Subsistence
• Clean-up and Reoccupation Costs
• Debris Removal

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Projections of Future
Development and Land Use

• Future Development Scenarios
• Business-as-Usual
• High Employment
• Land Use Allocation Scenarios
• Compact
• Dispersed

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NED Analysis

• Develop Stage Damage Relationship for each Study
  Area Reach
• Incorporate Stage-Frequency Data for each Reach
• Calculate Frequency Damages for each Alternative
• Derive Expected Annual Damages for Existing and
  Future Conditions
• Use Federal Discount Rate to Derive Equivalent
  Annual Damages

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Net Benefit Analysis

• Without Project Damages With Project
  Damages Benefits
• Compute Average Annual Life Cycle Cost for each
  Alternative
• Calculate Benefits-to-Cost Ratio (BCR)
• Benefits Cost Net Benefits for each
  Alternative
• Rank Alternatives (NED Plan)

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Regional Economic Development
Account (Economic Activity at Risk)

• Employment
• Income
• Gross Regional Product or Output

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Other Social Effects Account (People at Risk)

• Population
• Historical Districts

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Economic Analysis
must incorporate

• Nonstructural Measures
• System Analysis Approach
• Risk and Uncertainty

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Project Web Page

• http//www.mvn.usace.army.mil/prj/mtog/

Morganza to the Gulf
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