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St. Louis District Biological Opinion RRAT. FY 14 RRAT– Biological Opinion. SCED – 3 phases of construction, final phase awarded in FY14. First two phases complete Increase flow down Establishment Chute RM 132. FY13 efforts include flexible Dredge Pipe – Manskers RM 104

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fy 14 rrat biological opinion
FY 14 RRAT– Biological Opinion
  • SCED – 3 phases of construction, final phase awarded in FY14. First two phases complete
  • Increase flow down Establishment Chute RM 132
  • FY13 efforts include flexible Dredge Pipe – Manskers RM 104
  • Created an ephemeral island with 400,000 cy of dredge material
  • Identifying FY14 sites for island development
  • FY14 efforts were not executed due to high water
slide3

Bi-Op Flexible Dredge Pipe and Spill Barge

River Mile 221

  • 2,400 feet of flexible dredge pipe purchased in early 2000’s
  • Flexible dredge spill barge “Thomas George” completed in FY14
  • Create ephemeral islands with dredge spoil to enhance environmental diversity

River Mile 270