6/12/2015 HAPPY TRAIL CULVERT REPLACEMENT: A Successful - - PDF document

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6 12 2015
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6/12/2015 HAPPY TRAIL CULVERT REPLACEMENT: A Successful - - PDF document

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6/12/2015 HAPPY TRAIL CULVERT REPLACEMENT: A Successful Collaboration Between Local and Federal Governments Presented By: KECK & WOOD, INC. Keith Costley, PE John Gast,PE Existing Conditions Road Flooding Multiple Small Culverts

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HAPPY TRAIL CULVERT REPLACEMENT:

A Successful Collaboration Between Local and Federal Governments

Presented By: KECK & WOOD, INC. Keith Costley, PE John Gast,PE

Existing Conditions

 Road Flooding  Multiple Small Culverts  Debris Buildup  Perched Inlets  Significant Storm Events

Existing Conditions

Carolina Heelsplitter

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 Federally Listed Endangered Species  Known to or believe to occur in 15 SC counties  Identified by Aquatic Survey  Critical Habitat by USFWS

Carolina Heelsplitter The National Fish Passage Program is a voluntary, non-regulatory initiative that provides funding and technical assistance in all 50 States to reconnect aquatic habitat by eliminating or bypassing barriers.

US FISH & WILDLIFE NATIONAL FISH PASSAGE PROGRAM

Examples of Barriers:  Water Diversions  Dams  Traditional Round Culverts

US FISH & WILDLIFE NATIONAL FISH PASSAGE PROGRAM

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US FISH & WILDLIFE NATIONAL FISH PASSAGE PROGRAM

 Program Initiated in 1999 to Address Structures Built on Rivers and Streams that Impaired Aquatic Life Movement  To Date Restored/Enhanced over 400 Miles of Stream and 75,000 Acres of Wetlands  Annual Budget of $500K to $1.3M  Individual Projects Range from $5K to $200K

Fish Passage Program – Region 4

Before After

Fish Passage Program History

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 Install a Culvert to Pass the 50-Year Storm Event  Minimize Cost Associated with Proposed Improvements  Minimize Impacts to Environmentally Sensitive Areas  Minimize Impacts to Adjacent Properties  Allow for Passage of Fish and other Aquatic Species (Carolina Heelsplitter)

Goals of the Project

 Property Owners  County Staff  County Council  USFWS  ACOE  SCDHEC  Water, Gas & Telecom Utilities

Project Stakeholders

 Funding  Proximity to Critical Habitat  Jurisdictional Waters  Property Owner Access  Storm Intensity  Existing Road Profile

Project Challenges

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Happy Trail Map Existing Conditions Access Issues

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Plan & Profile

 Fish Passage Program Eligibility  Data Collection  Hydrologic Analysis  Hydraulic Analysis  Coordination/Permitting USFWS  Coordination/Permitting ACOE  Coordination USFWS Cost Share/Installation  Installation and Closeout

Project Steps

 Lancaster County

  • Engineering
  • Culvert Materials
  • Stone, Concrete, Erosion Control Materials

 USFWS – Fish Passage Program

  • Labor
  • Installation of Materials

Sharing Costs – Happy Trail

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 Lancaster County

  • Engineering

 USFWS – Fish Passage Program

  • Materials
  • Labor
  • Installation of Materials

Sharing Costs – After Happy Trail Happy Trail Basin SCDOT Regression Equations Hydrologic Analysis

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Culvert Shape / Type

24 Feet Wide by 4.75 Feet Tall

Hydraulic Analysis 2-Year Storm Hydraulic Analysis 10-Year Storm

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Hydraulic Analysis 25-Year Storm Hydraulic Analysis 50-Year Storm Hydraulic Analysis 100-Year Storm

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Construction Photos Construction Photos (looking upstream) Construction Photos

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Project Takeaways

 All Project Goals Were Achieved  Local & Federal Governments Pooled Resources  Better Solution by Working Together  Built Relationships for Future Projects

WIN / WIN

215 Hampton Street, Suite 100 Rock Hill, SC 29730 803-620-1300 www.keckwood.com

THANK YOU