H-GAPS Houston-Galveston area protection system

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Presented by SSPEED Center Rice University at the Texas Water Conservation Association Conference in The Woodlands, Texas - March 2014

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  • These are the tanks which have any level of inundation without the gate with an Ike rainfall and 25ft surge.
  • H-GAPS Houston-Galveston area protection system

    1. 1. H-GAPS Houston-Galveston Area Protection System By SSPEED Center Rice University
    2. 2. SSPEED Center The Center is based out of Rice University and collaborates with leading academic institutions, the private sector and public entities. Major funding from Houston Endowment Ï SSPEED
    3. 3. 3 ADCIRC Model data courtesy of Dr. Clint Dawson, U. of Texas
    4. 4. Existing Conditions
    5. 5. Houston Ship Channel Industrial Complex 50,000 + direct jobs $100 billion + potential damage
    6. 6. Ike at Point 7 with Increased Winds (25 ft Surge)
    7. 7. Existing Conditions + Centennial Gate Option A SH 146 Option B Barbours Cut
    8. 8. FRED HARTMAN BRIDGE OPTION ‘A’
    9. 9. OPTION B2
    10. 10. Evaluation of Effects • Consideration of Land Use Impacts of Construction and Operation • Computer Modeling of With and Without Option A and Option B under Different Scenarios • Computer Modeling of San Jacinto flood flows and surge suppression 11
    11. 11. Existing Conditions + Green Options Lone Star Coastal National Recreation Area (LSCNRA) Lone Star Coastal Exchange (LSCE)
    12. 12. Landscape-Scale Green Space Alternatives
    13. 13. Proposed Lone Star Coastal National Recreation Area
    14. 14. Public Leadership and Rules Sec. James Baker John Nau Partnership Among Local, State and Federal Governments and NGOs No New Regulation No Involuntary Participation
    15. 15. Trading Platform Sellers Buyers Proposed Lone Star Coastal Exchange (LSCE) Flood Storage Conservation of Existing Habitat Neo-tropical Migrant Habitat Creation Coastal Wetland Creation/Migration Migratory Waterfowl Habitat Creation Prairie Habitat Creation Forest Lands Habitat Creation Carbon Sequestration Endangered Species Habitat $
    16. 16. Potential Corps or FEMA Value Proposition
    17. 17. Marsh footprint: 2004; 2050; 2100
    18. 18. The “Bookends” Centennial Gate + LSCNRA and LSCE
    19. 19. 22 HEZ population = +/- 1,200,000 in 2010 HEZ Projection = + 700,000 to 2040 The Houston Galveston Area Council estimates that it would take 36 hours to evacuate 1 million residents under perfect conditions.
    20. 20. Existing Conditions + Green Options + Centennial Gate + Elevated U.S. 87
    21. 21. Existing Conditions + Green Options + Centennial Gate + Elevated U.S. 87 + Elevated FM 3005
    22. 22. Existing Conditions + Green Options + Centennial Gate + Elevated U.S. 87 + Elevated FM 3005 + Galveston Levee
    23. 23. Existing Conditions + Green Options + Centennial Gate + Elevated U.S. 87 + Elevated FM 3005 + Galveston Levee + Oyster Reefs
    24. 24. Existing Conditions + Green Options + Centennial Gate + Elevated U.S. 87 + Elevated FM 3005 + Galveston Levee + Oyster Reefs + Dredged Material
    25. 25. Existing Conditions + Green Options + Centennial Gate + Elevated U.S. 87 + Elevated FM 3005 + Galveston Levee + Oyster Reefs + Dredged Material + Elevated SH 146
    26. 26. Enhanced Evacuation With All Alternatives
    27. 27. Next Phase of Houston Endowment Grant Develop H-GAPS into a Specific Proposal Refine the Lone Star Coastal Exchange Critically Examine the Ike Dike Review of Biggert-Waters

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