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LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES. Date : April 16, 2014. Agenda. HSDRRS Purpose and Need Structural Protection Projects Overview Of Guideline Needs Guideline Approach Phase I Guidelines What’s Next? Closing. HSDRRS. What is HSDRRS?

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LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES

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  1. LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES Date: April 16, 2014

  2. Agenda • HSDRRS • Purpose and Need • Structural Protection Projects • Overview Of Guideline Needs • Guideline Approach • Phase I Guidelines • What’s Next? • Closing

  3. HSDRRS What is HSDRRS? What was achieved by implementing HSDRRS? What are the lessons learned?

  4. Purpose and Need • Purpose • Necessary tool to fulfill CPRA’s mission statement • Charged with coordinating local, state and federal efforts to achieve Coastal Protection or Flood Risk Reduction • Master Plan developed based on a systems approach

  5. Purpose and Need • Need • Maintain existing Hurricane Protection System • Existing Levees >800 miles across 15 parishes with 15 levee districts • $10.9 billion set aside for Structural Protection (2012 Master Plan) • Consistent cost efficient process to implement levee design and construction • Stand alone agency/regionally specific guidelines, focused on coastal environment

  6. Structural Protection Projects

  7. Overview of Guideline Needs Guideline Components • Civil / Surveying • Hydraulic / Coastal / Water Resources • Geotechnical • Structural • Construction / Specifications • Technology – GIS / Data Management • Levee Inspection / Operations and Maintenance

  8. Guidelines Phased Approach • Allows early implementation • Target items/topics which may yield the most efficient designs • Guidelines are a living document and will require regular reviews and updates

  9. Phase I Guidelines • Geotechnical • Field Investigation and Laboratory Testing • Spacing, samplers, test methods • Design • Software, factor of safety, staged construction

  10. What’s Next? • Phase II Guidelines • Geotechnical Guidelines - Working Draft • Sampling Depth and Intervals • Existing Data Reviews • Field Study/Laboratory Investigation • Geotechnical Design Parameters • Civil / Survey Guidelines

  11. Closing • Questions?

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