2010 Metro Mitigation Plan

Recommendations

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(This page has been left blank intentionally.) Metropolitan Nashville - Davidson County Mitigation Strategy Multi-Hazard Mitigation Plan Page 5-24 April 2010
COMPLETED ACTION ITEMS Recommended mitigation action items from several existing community plans have already been implemented by Metro. This demonstrates not only the current capability of Metro to counter identified hazards through existing policies, regulations, programs, and procedures, but also the ongoing commitment of Metro to protect the community and mitigate the damaging effects of hazards. Completed action items are presented below. COMPLETED ACTION 1: Develop a plan and schedule to modify and enhance the existing floodplain management regulations with the intent of minimizing future flooding within the floodplain. Source: Floodplain Management Plan Responsible Office: MWS Status: A Stormwater Regulation Review Committee was formed to advise Metro Water Services on revisions and enhancements to stormwater management regulations and associated processes. COMPLETED ACTION 2: Develop formalized policies (level-of-service and extent-of-service) for maintenance of the stormwater drainage system. Source: Floodplain Management Plan and Community Rating System Action Plan Responsible Office: MWS Status: Draft policies addressing level-of-service and extent-of-service have been prepared in order to define the areas where maintenance work will be performed by MWS Stormwater Division staff. COMPLETED ACTION 3: Develop a GIS database of all stormwater detention structures and BMP facilities within Metro Nashville and Davidson County. Upon completion of database, develop a routine maintenance schedule to ensure proper detention and water quality functions of stormwater facilities. Source: Floodplain Management Plan Responsible Office: MWS Status: The GIS database was completed in 2003 based upon the available data through 2002. A maintenance schedule using the GIS database was initiated in June of 2004. The MWS Stormwater Division Maintenance Staff estimate that they inspect 100 stormwater structures each month. The inspection program is performed in conjunction with system maintenance for documentation purposes. Metropolitan Nashville - Davidson County Mitigation Strategy Multi-Hazard Mitigation Plan Page 5-25 April 2010
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Metropolitan Nashville-Davidson Cou
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4.2 Vulnerability Assessment ......
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LIST OF FIGURES Figure 2-1 Metropol
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USDA USGA WCT WNV United States Dep
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Metropolitan Nashville-Davidson Cou
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equired revision every 5 years. The
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Figure 2-1. Metropolitan Nashville-
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Subarea 1 - Joelton Joelton is loca
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Nashville, coupled with the concent
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Interstate 24 and Briley Parkway; t
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Figure 3-1. Similarity Between DMA
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Step 2: Involve the Public In addit
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Step 5: Assess the Problem Once the
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Table 4-1. Federal Disaster Declara
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Figure 4-2. Dams and Levees within
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management. Total storage capacity
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infrequent occurrence. There has ne
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Likelihood of Future Occurrences Th
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WATERSHED Table 4-3. Major Sources
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All streams within Metro Nashville,
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Nashville entered the flood insuran
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Damage Reach 1 Damage Reach 2 Damag
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Dry Creek Watershed The Dry Creek W
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performed. Primarily a rural portio
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Table 4-13. Pages Branch Damage Rea
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Table 4-14. Richland Creek Damage R
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2.96. Damage Reach 12 is located on
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Cumberland River The Cumberland Riv
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The Southern Appalachian Seismic Zo
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40g 30g 25g 20g 15g 10g 9g 8g 7g 6g
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Figure 4-10. Evidence of Landslides
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Figure 4-11b. Slopes greater than 2
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Figure 4.13 Karst Hazard Map of Ten
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Human cases have been reported in a
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The PDSI indicates that for the per
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Figure 4-18. Tennessee Forestry Dis
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how hot it feels to an individual w
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Figure 4-21. Average Number of Thun
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Past Occurrences Several severe tor
Page 106 and 107: Past Occurrences There have been 16
Page 108 and 109: Critical Facilities Of significant
Page 110 and 111: Scientific Name Common Name Federal
Page 112 and 113: Historic and Natural Resources are
Page 114 and 115: West Nile Virus is spread through m
Page 116 and 117: DAM & LEVEE FAILURES Risk - Moderat
Page 118 and 119: WNQM AM 1300; WUPX UPN 30; WVOL AM
Page 120 and 121: Table 4-31. Earthquake Hazard Damag
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Page 124 and 125: Figure 4-25 Tornado Siren Locations
Page 128 and 129: Table 4-33. Metropolitan Nashville-
Page 130 and 131: Evaluation of Existing Capabilities
Page 132 and 133: Harpeth River - Newsom Station Road
Page 134 and 135: 4. MWS has prioritized Capital Impr
Page 136 and 137: GOAL #3: Objective 3.1: Objective 3
Page 138 and 139: measures. Team members were allowed
Page 140 and 141: 2009 Update: Since the creation of
Page 142 and 143: Community Benefit: Potential fundin
Page 144 and 145: staff gages were installed in 2009
Page 146 and 147: Existing permit procedures should b
Page 148 and 149: Community Benefit: Life safety, Pot
Page 150 and 151: • Develop public-private partners
Page 152 and 153: 2009 Update: MWS continues to send
Page 154 and 155: Metro officials should talk to thei
Page 158 and 159: COMPLETED ACTION 4: Double the numb
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Page 162 and 163: • Construct tornado saferooms and
Page 166 and 167: With the adoption of this plan, the
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Page 180 and 181: 2. Multi-Hazard Mitigation Plan Sta
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Page 190 and 191: Figure A-5 Mass email sent out from
Page 196 and 197: FLOODING-1 No. Location Historical
Page 198 and 199: FLOODING-3 No. Location Historical
Page 200 and 201: EARTHQUAKES-2 No. Date Richter Magn
Page 202 and 203: INFESTATIONS-1 West Nile Virus Loca
Page 204 and 205: WILDFIRES-1 No. Location Year Histo
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EXTREME COLD TEMPERATURES-2 No. Loc
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EXTREME HOT TEMPERATURES-1 No. Loca
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THUNDERSTORMS-1 No. Location Histor
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TORNADOES-2 No. Location Historical
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TORNADOES-4 No. Location Historical
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WINTER STORMS-1 No. Location Histor
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Metropolitan Nashville - Davidson C
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MCALPINE AV Cooper Creek DR 3 HART
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Trib. No. 3 GALLATIN PK OLD HICKORY
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HEATH RD BUFFALO RD HUNTWICK TRL HW
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NOLENSVILLE PK Sevenmile Creek DR 1
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Mill Creek Sorghum Branch ANTIOCH P
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HART LN BRICK CHURCH PK I- 65 §¨
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SUMMERLY DR W HILLWOOD DR DARDEN PL
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Stones River STEWARTS FERRY PK reek
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SAUNDERSVILLE RD SHUTE LN ANDREW JA
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Cumberland River RIVER RD RIVER ROA
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Cumberla nd River Browns Creek DR 1
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Metropolitan Nashville - Davidson C
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Metropolitan Nashville Department o
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Reconnaissance Report for Flood Dam
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Extreme Temperatures Chronology of
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2010 Metro Mitigation Plan

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