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Christopher Knotts, P.E. Public Works & Water Resources Association of Levee Boards of Louisiana Annual Meeting December 3, 2015
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2 Departmental Overview – Responsibilities – Funding – Accomplishments Public Works & Water Resources – Statewide Flood Control Program – Levee Safety Program (non-coastal districts) – Ongoing Federal Projects – Dam Safety Program
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Improving Roadway Safety S afety Initiatives
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DOTD Safety Initiatives Public Safety is DOTD’s #1 priority Overall reduction in fatal crashes since 2007 Recent initiatives include: »Destination Zero Deaths »Cable Barriers »Roundabouts »Enhanced Mile Markers »ITS Traffic Cameras and Signs
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Public Works & Water Resources - Statewide Flood Control Program - Levee Safety Program (non-coastal districts) - Ongoing Federal Projects - Dam Safety Program
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Overview Primary goal to reduce existing flood damages by considering both structural and non-structural solutions Funded by Transportation Trust Fund $8.9M funding last two years ($9.9M average in prior years) Applicants can be: »Parish Governments » Municipal Governments »Levee Boards »Drainage Districts Statewide Flood Control Program 11
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Funding 90% of the construction cost for non-federal projects 70% of the local sponsor’s non-federal share for federal projects Local sponsor pays for engineering, R/W, utilities, etc. Eligibility Equitable distribution of funds statewide » (55% invested in rural areas, 45% invested in urban areas) All levels of local government from the largest parishes and cities down to the smallest towns and villages can successfully compete. 12 Statewide Flood Control Program
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Inspections Assist Levee Districts with the Quarterly and Semi-Annual Inspections Provide Semi-Annual Inspection Reports Provide Recommendations/Options for Corrective Actions Inventory/Mapping Inventory Levee Assets Develop GIS Maps 13 Levee Safety Program
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Permits Review permit applications Provide Letters of Response to appropriate Levee District »Non-coastal (DOTD) »Coastal (CPRA) Ensure compliance with engineering standards Engineering Support Set-back Design Drainage Design Cost Estimates 14 Levee Safety Program
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Mississippi River Levee Raising Project Purpose – Flood Prevention 200 miles of mainline Miss. River levee construction in NE LA Raising 3 to 4 feet above project flow line Responsibilities: Fifth Louisiana Levee District & DOTD: LERRDs (Right-of-Way) USACE-Vicksburg District: Design and Construction Expenditures to date: Federal: $127 million Non-Federal Sponsor: $9.8 million
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Purpose – Flood Prevention/Reduction Comite River Basin Lower Amite River Basin Federal Sponsor: USACE – New Orleans District Design Construction Non-Federal Sponsors: DOTD: Lands, Easements, Rights of Way, Relocations & Disposals (LERRDs) Amite River Basin Commission: Floodplain Management East Baton Rouge City-Parish DPW: Operations and Maintenance Comite River Diversion Canal
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Features 12 miles of channel 4 drop structures Diversion structure Stage control structure (Lilly Bayou) Bridges at 4 highways (U.S. 61, LA 964, LA 19, and LA 67) 2 railroad bridges (CN and KCS) Current Cost Estimate $ 199 million Expenditures to Date Federal: $ 74.4 million Non-Federal: $22.1 million
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Dam Safety Program Created by Act 733 of the 1981 Regular Legislative Session Responsibilities are to: »Define & enforce Minimum Standards »Maintain the State Dam Safety Inventory »Ensure that all dams are inspected per guidelines
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Dam Safety Program Applicable to all dams or impoundment structures…any artificial barrier which will impound or divert water or any liquid and is: »25+ ft. height »Has a maximum storage of 15 acre-feet or greater OR »Min. 6 ft. height »Has a maximum storage of 50 acre-feet or greater
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Dam Safety Program Define and enforce minimum standards for: Design Construction Modification Operation & Maintenance Ivan Lake Dam – Bossier Parish
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Dam Safety Program Operation & Maintenance Acoustic Surveys Surface Inspections Underwater Inspections Operation of gates Emergency Action Plans Grand Bayou Reservoir – Red River Parish
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Dam Safety Inventory 516 Regulated Dams (November, 2014) 40 High Impact 50 Significant Impact 426 Low Impact ) Vernon Lake Dam – Vernon Parish
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Consequences Of Dam Failure U.S. dam failures in the last 50 years »400+ fatalities »Billions in property damage Most of the 20 State maintained dams are old (50+ years) and a number are in critical need of repair. » Turkey Creek Dam (Franklin Parish) »Bundick Lake (Beauregard Parish) »Iatt Lake Dam (Bossier Parish) South Carolina dam failures (October, 2015 ) » 36 Dams failures, 7 Class 1 dams and 20 Class 2 dams and an additional 167 dams were damaged. »After assessments were completed 75 emergency repair orders and 24 notices of violations were issued to non responsive owners.
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Christopher P. Knotts, P.E. Chief, Public Works & Water Resources P. O. Box 94245 Baton Rouge, LA 70804-9245 chris.knotts@la.gov 225-379-3000 chris.knotts@la.gov Questions?
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