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Published byLaurence Hicks Modified over 9 years ago
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Southside Flood Protection Red River Channel Extension September 15, 2008
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1997 Spring Flood –Fargo, Moorhead Rose Coulee Red River Fargo 50 th Avenue South Moorhead University Drive
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1997 Spring Flood – South of Fargo Rose Coulee Red River 25 th Street South Fargo University Drive Moorhead 60 th Ave. SW
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Preliminary 100 & 500 Year Floodplains Oxbow Horace Moorhead West Fargo Fargo Interstate Hwy 94 Interstate Hwy 29 Southside Flood Control
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Southside Flood Control North Dakota State Climate Office
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FEMA levees with and without diversion channels Channel extensions (Red River & drain improvements) Storage inside of project Storage in upstream watershed Project Flood Control Methods
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Base Project Southside Flood Control Wild Rice River Levee Alternative
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Issues Raised With Base Alternatives Red River & Wild Rice River impacts (Higher flood levels) Lost storage (Concern storage impact will simply move impacts upstream) Properties east of Hwy 81 and upstream receive no protection
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CHANNEL EXTENSION AND STORAGE SUMMARY Existing effective storage 6,000 Acre-Ft Base project 0 Acre-Ft Channel extension/storage 2,000 Acre-Ft Supplemental storage 4,000 Acre-Ft Southside Flood Control
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North Dakota Minnesota Red River Channel Extension Typical Red River Cross-Section
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SOUTHSIDE FLOOD CONTROL Wild Rice River Levees Alternative – Red River Impacts
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SOUTHSIDE FLOOD CONTROL Wild Rice River Levees Alternative – Red River Impacts
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Red River Flood Timing
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1997 Spring Flood – South of Fargo Rose Coulee Red River 25 th Street South Fargo University Drive Moorhead
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Southside Flood Control Red River Channel Extension Options
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Southside Flood Control Technical Committee Preferred Option: North Dakota Alignment
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Southside Flood Protection Red River Channel Extension Fly Through
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Southside Flood Control Technical Committee Preferred Alignments
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1997 Spring Flood – South of Fargo Interstate 29 Cass Co Hwy 81 25 th Street South
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Project Schedule Development of options east of University DriveApril-June 2008 City Commission Selection of preferred base alternative July 14, 2008 Public input meetingsApril 15 - September 2008 Environmental AssessmentJuly – December 2008 Consultant SelectionJuly - December 2008 Begin DesignDecember 2008 CLOMR SubmittalJuly – December 2008 CLOMR ApprovalMarch 2009 ROW AcquisitionsOctober 2008 – October 2009 PermittingSeptember 2008 – April 2009 Special Assessment DistrictSeptember – December 2008 Begin ConstructionJune 2009 Functional CompletionMarch 2011 Final CompletionJuly 2012
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Questions / Discussion Southside Flood Control
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