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

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Wharton Recommended Plan Colorado River • 20,300 ft levees (5 feet avg. height) • 1900 feet floodwall (4 feet avg. height) • 7 interior drainage sumps Baughman Slough • 6600 feet levees (3 feet avg. height) • 380 feet floodwall (3 feet avg. height) • 7000 feet <strong>of</strong> channel modification • 2 interior drainage sumps Caney Creek • Three significant drainage features from Caney Creek to Colorado River • Hughes Street 3-60 in. pipes, 1300 ft. length • Polk Street 3-60 in. pipes, 1400 ft. length • Santa Fe Drainage Channel, 10,700 ft length • Estimated cost: $27,429,000 • Benefit-to-Cost Ratio: 2.2 • Net Annual Benefits: $1,964,000 October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 30
Wharton Component Cost Apportionment for the Recommended Plan Feature Federal Non-Federal Total Lands and Damages $4,116,000 $4,116,000 Relocations $785,000 $785,000 Fish and Wildlife Mitigation $765,000 $765,000 Channels and Canals $1,354,000 $1,354,000 Levees and Floodwalls $15,430,000 $15,430,000 Preconstruction, Engineering, Design $1,093,000 $57,000 $1,150,000 Construction Management $929,000 $929,000 Santa Fe Ditch (by City, Sec 104) $2,900,000 $2,900,000 Subtotal $19,571,000 $7,858,000 $27,429,000 5% Cash by Non-Fed Sponsor ($1,371,000) $1,371,000 Additional cash for 35% minimum ($371,000) $371,000 Total Cost Apportionment $17,829,000 $9,600,000 $27,429,000 Cost Share Percentages 65.00% 35.00% October 26, 2006 One Team: Relevant, Ready, Responsive and Reliable 31
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: • No Action • Buyout • Levees
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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