international boundary and water commission …
TRANSCRIPT
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INTERNATIONAL BOUNDARY AND WATER COMMISSION UNITED STATES AND MEXICO
Upper Rio Grande Flood Control Project
Levee Improvement
December 15, 2009
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Rio Grande Canalization Project
Constructed 1938-1943Water delivery and flood control project106 river miles from Percha Dam, NM to American Dam at El Paso, TX130 miles of flood control levees
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AMERICAN RECOVERY AND REINVESTMENT ACT OF 2009
$220 million appropriated to USBIWCFunds for rehabilitating Rio Grande flood control levees in Texas and New MexicoPurpose of Recovery Act is to create and save jobs, jumpstart the economy, and build long-term economic growth.Funding will afford the USIBWC the opportunity to accomplish in less than two years, work that had been projected to take 20 years
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Why Perform Levee Improvements?
FEMA is updating flood insurance rate mapsFEMA requires levees to contain the 100-year flood with 3 ft. freeboardUSIBWC notified FEMA in 2006 that it could not certify all levees as meeting this requirement
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INITIAL STUDIES
Hydraulic studies began in 1995A determination of the number of miles where insufficient freeboard existed was determined.
2003 Canalization FLO-2D Model Geotechnical studies have been conducted on the levees, and the designs for levee improvement for Upper Rio Grande are underway
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Levee
Foundation
Levee Terminology
Riverside
Underseepage (sand boils)
Through seepage
Overtopping
Slope failure
Landside
Base Flood Elevation
(1% annual chance of occurrence) = 100yr event
Freeboard
Structural Integrity
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LEVEE ENHANCEMENTTYPICAL SECTION
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Levee Status – Doña Ana CountyHatch Area Levees
Hatch West Levee (Hatch Siphon to Bignell Arroyo) Levee Enhancement, Structure Improvements
Plans and Specs Have Been ProducedAward Construction Contract December 2009Construct Flood Control Improvements Jan. 2010- Jan. 2011
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Hatch West Levee Enhancement
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WEST LEVEE HATCH SIPHON TO BIGNELL ARROYO
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Levee Status – Canalization ProjectMesilla East and West Levees Phase 1(Shalem Bridge to Vado Bridge) – 32 Miles
Plans and Specs Have Been ProducedAward Construction Contract: January 2010Construction: January 2010-February 2011
Mesilla East Levee, Phase 2 Beginning of Levee at Radium Springs to Mesilla Dam– 20 Miles
Plans and Specs are being produced:Award Construction Contract: Work initiated in-house by USIBWCConstruction: August 2008 – April 2011
Anthony / El Paso Levees, (Canutillo Phase 1) Vado Bridge to Borderland Bridge (except Canutillo east Levee) -32 miles
Plans and Specs are Being Produced Award Construction Contract: January 2010Construction: January 2010 – January 2011
Upper Valley/Sunland Park, Borderland Bridge to Rio Grande Power Plant – 12 miles
Plans and Specs are being producedAward Construction Contract: Work initiated in-house by USIBWCConstruction: January 2009 – June 2011
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Levee Status – Doña Ana County
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EAST LEVEE SELDEN CANYON TO VINTON BRIDGE
MAP 1 of 5
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EAST LEVEE SELDEN CANYON TO VINTON BRIDGE
MAP 2 of 5
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EAST LEVEE SELDEN CANYON TO VINTON BRIDGE
MAP 3 of 5
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EAST LEVEE SELDEN CANYON TO VINTON BRIDGE
MAP 4 of 5
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EAST LEVEE SELDEN CANYON TO VINTON BRIDGE
MAP 5 of 5
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EAST LEVEEBorderland Bridge to Electric Plant
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WEST LEVEEPICACHO FLUME TO NEW MEXICO STATE
PARK
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WEST LEVEEMESILLA DAM TO NEMEXAS DRAIN
MAP 1 OF 3
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WEST LEVEEMESILLA DAM TO NEMEXAS DRAIN
MAP 2 OF 3
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WEST LEVEEMESILLA DAM TO NEMEXAS DRAIN
MAP 3 OF 3
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Canutillo - Phase 2
Canutillo East - Levee/Floodwall, Vinton Bridge to Borderland Bridge – 5.6 Miles
Develop Scope for Task Order 80% complete - January 2010Construction: Estimated time - 2011-2012
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EAST LEVEECANUTILLO AREA
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Levee Status – Rectification Project
El Paso Levee, International Dam (near old Hacienda Restaurant) to downstream of Zaragoza Bridge - 16 Miles
Award Construction Contract: In House Work by USIBWC Construction: Most of the Work is Complete 2007-2008
Fabens/Tornillo and Ft. Hancock Levee Improvements – 20 Miles
Plans and Specs are being produced:Award Construction Contract: February 2010Construction: March 2010 –March 2011
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Proposed Levee Certification
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El Paso/Hudspeth County Levee Improvement
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Design Criteria for Levee Systems
Freeboard – 3 feet above the Base Flood ElevationClosures – All openings must be provided with a closure deviceEmbankment Protection – No appreciable erosion of levee can be expectedEmbankment and Foundation Stability Analyses –Evaluation of levee embankment seepageSettlement Analyses – Demonstrate that freeboard will be maintainedInterior Drainage – Identify sources of potential flooding
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Operation Plan
Flood Warning System – Documentation of a system to trigger emergency operationPlan of Operation – Specific plan of action and assignmentsPeriodic Operation of Closures – Exercise closure devices for testing and training
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Maintenance Plan
Levee systems - Must be maintained with an official adopted planMaintenance activities - Must be under the jurisdiction of a Federal, State, or an agency of a community The Plan - Must document a procedure that ensures the stability, height, and overall integrity of the levee
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Interior Drainage Plan(USIBWC is not responsible for Community interior drainage)
Flood Warning System – Documentation of a flood warning system used to trigger emergency operationsPlan of Operation - Specific plan of action and assignmentsManual Backup – Manual backup for the activation of automatic systemsPeriodic Inspection - Periodic inspection of interior drainage systems and periodic operation
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LEVEE ENHANCMENTEQUIPMENT ON LEVEE
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LEVEE ENHANCEMENT EQUIPMENT
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In-House Levee EnhancementMesilla Valley
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RECOVERY ACT LINKShttp://www.ibwc.gov/Recovery/Index.html(overview of USIBWC Recovery Act, with additional links)http://www.ibwc.state.gov/Files/URG_Schedule.pdf (weekly updates on Upper Rio Grande levee rehab, including schedules)www.recovery.gov (federal government, all agencies)www.state.gov/recovery (State Department)www.FedBizOpps.Gov (info for contractors)www.oig.state.gov (to report suspected fraud)
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Rectification ProjectDE SILTING RIO GRANDE/
GUAYUCO ARROYO CONFLUENCE
USIBWC will de-silt 3 Kilometers of the Rio Grande at the Guayuco Arroyo confluence
USIBWC In House WorkTo Begin 2nd week of January 2010
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NON ARRA WORK RECTIFICATION CHANNEL DE-SILTING
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NON ARRA WORK RECTIFICATION CHANNEL DE-SILTING
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INTERNATIONAL BOUNDARY AND WATER COMMISSION, UNITED STATES AND MEXICO
Contact Information
Gabriel Duran (915) 832-4746
Tony Solo (915) 351-1030
Cesar Boisselier (915) 351-1030
www.ibwc.state.gov