christopher knotts, p.e. public works & water resources association of levee boards of louisiana...
TRANSCRIPT
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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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• 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 Safety 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
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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.
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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
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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
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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: $9.8 million
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Purpose – Flood Prevention/Reduction• Comite River Basin• Lower Amite River Basin
Federal Sponsor: USACE – New Orleans District• Design• Construction
Non-Federal Sponsors: DOTD: Lands, Easements, Rights of Way, Relocations & Disposals (LERRDs)Amite River Basin Commission: Floodplain ManagementEast Baton Rouge City-Parish DPW: Operations and Maintenance
Comite River Diversion Canal
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Features• 12 miles of channel• 4 drop structures• Diversion structure• Stage control structure (Lilly Bayou) • Bridges at 4 highways (U.S. 61, LA 964, LA 19, and LA 67)• 2 railroad bridges (CN and KCS)
Current Cost Estimate•$ 199 million
Expenditures to Date• Federal: $ 74.4 million• Non-Federal: $22.1 million
Comite River Diversion Canal
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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 94245Baton Rouge, LA 70804-9245
Questions?