LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES Date: April 16, 2014

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES Agenda HSDRRS Purpose and Need Structural Protection Projects Overview Of Guideline Needs Guideline Approach Phase I Guidelines What’s Next? Closing

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES HSDRRS What is HSDRRS? What was achieved by implementing HSDRRS? What are the lessons learned?

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES 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

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES 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

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES Structural Protection Projects

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES 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

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES 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

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES Phase I Guidelines Geotechnical Field Investigation and Laboratory Testing Spacing, samplers, test methods Design Software, factor of safety, staged construction

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES 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

LOUISIANA FLOOD PROTECTION DESIGN GUIDELINES Closing Questions?