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

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Wharton Wharton Interim Feasibility Study Total Feasibility Cost: $1.2 Million October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 26
Existing Conditions • Significant flooding in 1998 and 2004. Flood levels approached 4% level in 1998, and slightly lower in 2004. • Average Annual Flood damages: $5.6 million • Majority <strong>of</strong> the city is within the 1% ACE floodplain. • Flow regime is highly complex; required sophisticated unsteady flow models to analyze. October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 27
Page 1 and 2: Presentation to the CIVIL WORKS REV
Page 3 and 4: Desired Action • CWRB approve the
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: Onion Creek Policy & Technical Revi
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
Page 53 and 54: City of Austin Onion Creek Forest /
Page 55 and 56: Area of Interest: Timber Creek Segm
Page 57 and 58: 9/8/2006 57
Page 59 and 60: July 1869 June 1941 November 2001 O
Page 61 and 62: Summary of Travis County/FEMA Buyou
Page 63 and 64: Availability of County Matching Fun
Page 65 and 66: www.lcra.org City of Wharton Remark
Page 67 and 68: Nan Ya Plastics, Corp USA Dawson El
Page 69 and 70: CITY OF WHARTON, TEXAS FEMA RE-MAPP
Page 71 and 72: CITY OF WHARTON, TEXAS • City Tha
Page 73 and 74: US Army Corps of Engineers ® Prese
Page 75 and 76: US Army Corps of Engineers ® Certi
Page 77 and 78:
US Army Corps of Engineers ® SWD R
Page 79 and 80:
Lower Colorado River Basin, TX Phas
Page 81 and 82:
Documentation Lower Colorado River
Page 83 and 84:
Lower Colorado River Basin - Onion
Page 85 and 86:
Lower Colorado River Basin - Onion
Page 87 and 88:
Lower Colorado River Basin - Wharto
Page 89:
Lower Colorado River Basin Flood Da
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CWRB Briefing Slides - U.S. Army Corps of Engineers

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