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

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USACE Environmental Operating Principles 5. Assess and mitigate cumulative impacts to environment • Project does not require any separable mitigation for cumulative impacts. 6. Build and share knowledge • Utilized engineering consultants for hydraulics/hydrology analysis on Wharton and the hydraulic design on Williamson because they were “experts” in the field. We will have that knowledge for the next design. 7. Respect the view of individuals and groups • Input from resource agencies and the public were adequately addressed and incorporated. • Wharton had no public comments. Viewpoint of USFWS is respected, but cannot accommodate their request, due to Corps regulations. October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 40
The 12 Points 1. Effectively Implement a Comprehensive Systems Approach (Points 1-8) • Watershed approach, with more recommendations likely. • Wharton project would implement 1% ACE (100-year) level protection for levees as well as interior drainage. 2. Communication (Points 9-10) • Onion Creek removes houses and residents from the floodplain thereby reducing risk. • Wharton understands the risk if an event larger than the design occurs. Project is designed for larger events to “flank” the levees, not overtop. 3. Reliable Public Service Professionalism (Points 11-12) • Utilized private consultants that had specialized expertise when it was unavailable at the District. October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 41
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 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: USACE Environmental Operating Princ
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

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

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