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

1. H-GAPS
Houston-Galveston Area
Protection System
By SSPEED Center
Rice University

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
ADCIRC Model data courtesy of
Dr. Clint Dawson, U. of Texas

4. Existing
Conditions

5. Houston Ship Channel Industrial
Complex
50,000 + direct jobs
$100 billion + potential damage

6. Ike at Point 7 with Increased Winds
(25 ft Surge)

8. Existing Conditions
+ Centennial Gate
Option A SH 146
Option B Barbours
Cut

9. FRED HARTMAN BRIDGE OPTION ‘A’

10. OPTION B2

11. 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

12. Existing Conditions +
Green Options
Lone Star Coastal
National Recreation
Area (LSCNRA)
Lone Star Coastal
Exchange (LSCE)

13. Landscape-Scale Green Space Alternatives

14. Proposed Lone Star Coastal
National Recreation Area

15. Public Leadership and Rules
Sec. James Baker John Nau
Partnership Among
Local, State and
Federal Governments
and NGOs
No New Regulation
No Involuntary
Participation

16. 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
$

17. Potential Corps or FEMA Value Proposition

18. Marsh footprint: 2004; 2050; 2100

19. The “Bookends”
Centennial Gate +
LSCNRA and LSCE

22. 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.

23. Existing Conditions
+ Green Options
+ Centennial Gate
+ Elevated U.S. 87

24. Existing Conditions
+ Green Options
+ Centennial Gate
+ Elevated U.S. 87
+ Elevated FM 3005

25. Existing Conditions
+ Green Options
+ Centennial Gate
+ Elevated U.S. 87
+ Elevated FM 3005
+ Galveston Levee

26. Existing Conditions
+ Green Options
+ Centennial Gate
+ Elevated U.S. 87
+ Elevated FM 3005
+ Galveston Levee
+ Oyster Reefs

27. Existing Conditions
+ Green Options
+ Centennial Gate
+ Elevated U.S. 87
+ Elevated FM 3005
+ Galveston Levee
+ Oyster Reefs
+ Dredged Material

28. Existing Conditions
+ Green Options
+ Centennial Gate
+ Elevated U.S. 87
+ Elevated FM 3005
+ Galveston Levee
+ Oyster Reefs
+ Dredged Material
+ Elevated SH 146

29. Enhanced
Evacuation
With All
Alternatives

30. 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