VICKSBURG DISTRICT LEVEE SAFETY PROGRAM 237 217 200 80 252 237 217 200 119 174 237 217 200 27 .59 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 “ The views, opinions and findings contained in this report are those of the authors(s) and should not be construed as an official Department of the Army position, policy or decision, unless so designated by other official documentation. ”
LEVEE SAFETY PROGRAM Lanny Barfield – DSO/LSO, Chief of Geotechnical Branch 237 217 200 80 252 237 217 200 119 174 237 217 200 27 .59 Brian Jordan – Chief of Analytical & Levee Safety Section 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 Craig McRaney – Levee Safety Program Manager Neal Lewis - Chief of Flood Control & Hydro Power Section Rodney Nordby - Red River Project Office
LEV LEVEE EE SAF SAFETY ETY PR PROGRA OGRAM M KEY KEY MESSA MESSAGES GES Public Safety is Our Top Priority 237 217 200 80 252 237 217 200 119 174 237 217 200 27 .59 Levees Do Not Completely Eliminate Flood Risk 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 Levee Safety Is a Shared Responsibility
237 217 200 80 252 237 217 200 119 174 237 217 200 27 .59 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111
237 217 200 80 252 237 217 200 119 174 237 217 200 27 .59 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111
LEV LEVEE EE SAF SAFETY ETY PR PROGRA OGRAM M ACTIVITIES CTIVITIES Routine Inspections 237 217 200 80 252 237 217 200 119 174 237 217 200 27 .59 Periodic Levee System Evaluation Reports 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 Levee Screenings / Risk Assessments Risk Communication 408 Permits - HDD
ROUTINE OUTINE INSPECT INSPECTION IONS Annual, Maintenance, or Continuing Eligibility Inspection. • 71 Segments, 56 Systems 237 217 200 80 252 Evaluate Compliance with Assurances. 237 217 200 119 174 237 217 200 27 .59 Evaluates Maintenance as it relates to the Design Project Flood, Owner 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 Preparedness, and Component Operations. 255 0 163 122 53 120 56 130 48 111 Standard Checklist/Drive Along Levee Crown. • Currently led by Area Offices with Levee Safety Engineers in Support Operations responsible for letters ( with checklist) to Sponsors May or May Not affect NFIP Eligibility. Used to Determine Continuing Eligibility for Rehab Assistance Under PL 84-99 Program, if applicable.
ROUT OUTINE INE INSP INSPEC ECTIONS TIONS DRAFT DRAFT NEW NEW CHECKLIST CHECKLIST Status • Sponsor Brief held 11 Nov. 2016 237 217 200 80 252 237 217 200 119 174 237 217 200 27 .59 • Develop Inspection Guidance 255 0 163 131 239 110 112 62 102 130 Language (FY 18) 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 • Work with NLD team to update the LIS (FY 18) • 2 year trial for updated checklist & enhanced LIS (FY 18-20) Engineering Judgment Primary/Secondary Items Good/Fair/Poor
ROUTINE OUTINE INSPECT INSPECTION IONS DRAFT NEW DRAFT NEW CHECKLIST CHECKLIST Primary Items 237 217 200 80 252 An item deemed to be essential to the 237 217 200 119 174 237 217 200 27 .59 performance of the levee to the extent that lack of corrective action and/or deterioration of the 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 item’s condition would likely result in flooding of 255 0 163 122 53 120 56 130 48 111 the leveed area. Secondary Items Any inspection item not deemed to be a Primary Item. It is equally important to observe and document the condition of Secondary Items since the lack of effective operations and maintenance activities can negatively affect performance of the levee system if not corrected.
ROUTINE OUTINE INSPECT INSPECTION IONS VEGETATION VEGE ION No substantial change in vegetation criteria between Old and New Checklist Interim Eligibility Requirements 237 217 200 80 252 237 217 200 119 174 • Vegetation does not affect eligibility 237 217 200 27 .59 • Exception: vegetation is so prevalent, it prevents proper inspection or 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 access during a high water event (e.g., Red River LB – North Bossier) MVK Assessment of Vegetation • In vegetative free zone – MA • On Levee – U • For NFIP – guidance references vegetative ETL Typically vegetation not cause of negative recommendation unless significant amounts on levee section
PERIODIC PER IODIC INSPECT INSPECTION IONS Geotech Lead Five to Ten Year Cycle Depending on LSAC Rating Also a Continuing Eligibility Inspection For PL 84-99 Assistance 237 217 200 80 252 237 217 200 119 174 Also Evaluates Maintenance, Preparedness, and Component Operation 237 217 200 27 .59 Replaces the Annual Inspection for the Year Performed 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 • Utilizes Same Checklist 255 0 163 122 53 120 56 130 48 111 Inspection More Thorough as Crown, Levee Slopes, and Levee Toes Traversed System Design Reports, Plans & Specs, Studies, Past Performance Inspection, Records Reviewed Design Criteria Review Performed • Does Design Meet Current Criteria? Provides Data and Information for Levee System Screenings Policy Guidance Letter – “Periodic Inspection Procedures for the Levee Safety Program” • Dated December 17, 2008
LEV LEVEE EE SCR SCREENINGS EENINGS Risk Assessment of the Levee System Purpose: • To Prioritize Levee Systems Based on Risk and provide initial 237 217 200 80 252 237 217 200 119 174 LSAC. 237 217 200 27 .59 • Develop a Relative Risk Ranking for Corps Levees. 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 Input Into Screenings From: • NLD • Routine and Periodic Inspections • Historic Performance During High Water • Limited Engineering Assessments • Data on Consequences (Population, Structures, etc.) Status • All 71 segments (56 systems) approved by National Cadre • 55 Segments with Final LSAC from HQ LSO
RISK RISK COMMUNICA COMMUNICATION TION 237 217 200 80 252 237 217 200 119 174 237 217 200 27 .59 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 System 255 0 163 122 53 120 56 130 48 111 Risk Hazard Consequences Performance Risk = f(Hazard, Performance, Consequences)
RISK COMMUNICATION Levee Boards with Final Risk Determination - AR 237 217 200 80 252 Hempstead Co Levee 237 217 200 119 174 237 217 200 27 .59 Long Prairie Levee 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 Long Prairie Levee North Bossier Levee McKinney Bayou Mid- North Levee McKinney Bayou North McKinney Bayou Mid McKinney Bayou South Levee Red River Levee District No. 1 Levee
RISK COMMUNICATION Levee Boards with Final Risk Determination - LA Bossier Levee 237 217 200 80 252 Black Bayou Pine Island Levee 237 217 200 119 174 237 217 200 27 .59 Twelve Mile Bayou Levee 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 Caddo North Levee Caddo South Levee Caddo South Red River Levee and Drainage District East Point Levee Bayou Nicholas - Coushatta Levee Aloha-Rigolette - 19 th Levee RRABB Levee District 19 th District Levee Board
LEVEE SYSTEM SUMMARY SHEETS Draft Levee System Summary (LSS) Sheets have been 237 217 200 80 252 237 217 200 119 174 developed 237 217 200 27 .59 Final versions will be completed 255 0 163 131 239 110 112 62 102 130 255 0 163 132 65 135 92 102 56 120 255 0 163 122 53 120 56 130 48 111 after receiving HQ approved LSACs • Schedule is being Developed for Risk Communication and LSS • Sponsor review/input (when applicable) will be provided
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