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Perdido Creek Restoration

Perdido Creek Restoration. Partners. Dr. Sam Eichold Natural Resources Conservation Service Alabama Department of Conservation and Natural Resources Thrift Construction Co. Corps of Engineers Fish and Wildlife Service. Project Objectives. Restore the natural meandering stream channel

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Perdido Creek Restoration

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  1. Perdido Creek Restoration

  2. Partners • Dr. Sam Eichold • Natural Resources Conservation Service • Alabama Department of Conservation and Natural Resources • Thrift Construction Co. • Corps of Engineers • Fish and Wildlife Service

  3. Project Objectives • Restore the natural meandering stream channel • Restore hydrology in the bordering wetlands • Improve stream fishery and wetland wildlife habitat • Prevent further head-cutting above restoration area • Create oxbow ponds in channelized stream

  4. Restoration Conceptual Plan

  5. Perdido Creek Before and After Perdido Creek after Plugging Channelized Creek Creek Channel Prior to Excavation

  6. Preliminary Steps in Restoration of Perdido Creek • Get signed agreement with the landowner to construct the work • Plan and coordinate project with agencies and experts • Obtain permits and SHPO clearance • Meet with Contractors • Have the landowner select the contractor

  7. Steps in Restoration of Perdido Creek • Patch all portions of old stream channel • Install root wads and J hooks prior to diversion stream • Restore all stream segments filled with sediment • Excavate the old stream channel on the upper end • Install sheet piling and create blockage structure to divert the stream • Utilize onsite trees and branches to provide bank stability • Create 4 additional blockage structures • Seed and mulch all exposed soil

  8. Patching the Old Stream Channel Banks

  9. Installation of Root Wads to Protect the Bank

  10. Reaches Filled with Sediment were Excavated with a Small Track hoe

  11. Excavate Old Stream Channel on Upstream Plug

  12. Log Crossing

  13. Restoration Old Stream Channel

  14. Installation of Vinyl Sheet Piling

  15. Sheet Pilling Diverted Flow

  16. Blockage Structure Created

  17. Before Excavation of Channel After Channel Construction Perdido Creek Upper Plug

  18. Blockage Structure Seeded, Mulched, Limed and Fertilized January 31, 2001 February 22, 2002

  19. Other Possible Future Projects • Shades Creek near Birmingham • Tributary to the Cahaba River • Swift Creek near Autaugaville • Tributary to Neely Henry Reservoir on the Alabama River

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