CWRB Briefing Slides - U.S. Army Corps of Engineers

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Purpose • Present findings and recommendations of the Lower Colorado River Basin Phase 1 Interim Feasibility Report and Integrated Environmental Assessment. • Demonstrate that the recommended project is: • technically feasible • economically justified • environmentally sound. October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 2
Desired Action • CWRB approve the Feasibility Report, which recommends: • Floodplain evacuation of two subdivisions totaling 490 homes in Austin/Travis County area, together with construction of recreation facilities and ecosystem restoration on the vacated lands. •Total cost: $82.7 Million •BCR: 1.5 • Construction of $27.4 Million levee system protecting the city of Wharton, a town of 9,300 residents, located along the Colorado River. Project BCR is 2.2. October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 3
Page 1: Presentation to the CIVIL WORKS REV
Page 5 and 6: Agenda • Background • Project D
Page 7 and 8: Project Locations October 26, 2006
Page 9 and 10: PDT Performance • Performed well
Page 11 and 12: Planning Process (ER 1105-2-100) 10
Page 13 and 14: Wharton Flooding ▼1935 Flood - Do
Page 15 and 16: Existing Conditions • Rapid urban
Page 17 and 18: Flood Damage Reduction Alternatives
Page 19 and 20: Overview of Onion Creek - Timber Cr
Page 21 and 22: Overview of Onion Creek OC Forest/Y
Page 23 and 24: October 26, 2006 OC Forest/Yarabee
Page 25 and 26: Onion Creek Policy & Technical Revi
Page 27 and 28: Existing Conditions • Significant
Page 29 and 30: • No Action • Buyout • Levees
Page 31 and 32: Wharton Component Cost Apportionmen
Page 33 and 34: Proposed Milestone Schedule Milesto
Page 35 and 36: Agency Review • USFWS recommended
Page 37 and 38: 4. Reduce Losses USACE Civil Works
Page 39 and 40: USACE Environmental Operating Princ
Page 41 and 42: The 12 Points 1. Effectively Implem
Page 43 and 44: Recommendation • Recommend the Ci
Page 45 and 46: www.lcra.org Texas Water Developmen
Page 47 and 48: www.lcra.org Coordinated Effort Riv
Page 49 and 50: www.lcra.org City of Austin Remarks
Page 51 and 52: Flash Flood Alley 1998 1997 Shoal C
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City of Austin Onion Creek Forest /
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Area of Interest: Timber Creek Segm
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9/8/2006 57
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July 1869 June 1941 November 2001 O
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Summary of Travis County/FEMA Buyou
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Availability of County Matching Fun
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www.lcra.org City of Wharton Remark
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Nan Ya Plastics, Corp USA Dawson El
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CITY OF WHARTON, TEXAS FEMA RE-MAPP
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CITY OF WHARTON, TEXAS • City Tha
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US Army Corps of Engineers ® Prese
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US Army Corps of Engineers ® Certi
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US Army Corps of Engineers ® SWD R
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Lower Colorado River Basin, TX Phas
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Documentation Lower Colorado River
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Lower Colorado River Basin - Onion
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Lower Colorado River Basin - Onion
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Lower Colorado River Basin - Wharto
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Lower Colorado River Basin Flood Da
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CWRB Briefing Slides - U.S. Army Corps of Engineers

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