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Southside Flood Protection Red River Channel Extension Clay County Courthouse September 8, 2008.

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Presentation on theme: "Southside Flood Protection Red River Channel Extension Clay County Courthouse September 8, 2008."— Presentation transcript:

1 Southside Flood Protection Red River Channel Extension Clay County Courthouse September 8, 2008

2 1997 Spring Flood –Fargo, Moorhead Rose Coulee Red River Fargo 50 th Avenue South Moorhead University Drive

3 1997 Spring Flood – South of Fargo Rose Coulee Red River 25 th Street South Fargo University Drive Moorhead 60 th Ave. SW

4 Preliminary 100 & 500 Year Floodplains Oxbow Horace Moorhead West Fargo Fargo Interstate Hwy 94 Interstate Hwy 29 Southside Flood Control

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6 Southside Flood Control North Dakota State Climate Office

7 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

8 Base Project Southside Flood Control Wild Rice River Levee Alternative

9 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

10 Base Project with Channel Extensions & Recoverable Storage Southside Flood Control Wild Rice River Levee Alternative Rose Coulee Pump Station & Closure Structure

11 North Dakota Minnesota Red River Channel Extension Typical Red River Cross-Section

12 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 STORAGE Southside Flood Control

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14 SOUTHSIDE FLOOD CONTROL Wild Rice River Levees Alternative – Red River Impacts

15 SOUTHSIDE FLOOD CONTROL

16 Red River Flood Timing

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23 1997 Spring Flood – South of Fargo Rose Coulee Red River 25 th Street South Fargo University Drive Moorhead

24 Southside Flood Control Red River Channel Extension Options

25 Southside Flood Protection Red River Channel Extension Fly Through

26 1997 Spring Flood – South of Fargo Interstate 29 Cass Co Hwy th Street South

27 Project Schedule Development of options east of University Drive April-June 2008 City Commission Selection of preferred base alternative July 14, 2008 Public input meetings April 15 - September 2008 Environmental Assessment July – December 2008 Consultant Selection July - September 2008 Begin Design October 2008 CLOMR Submittal July – October 2008 CLOMR Approval December 2008 ROW Acquisitions October 2008 – October 2009 Permitting September 2008 – April 2009 Special Assessment District September – December 2008 Begin Construction June 2009 Functional Completion March 2011 Final Completion July 2012

28 Questions / Discussion Southside Flood Control


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