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SUB MAR West Fork of Beaver River West Point, OH. Pre-project pictures. Note eroding outer bank.

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Presentation on theme: "SUB MAR West Fork of Beaver River West Point, OH. Pre-project pictures. Note eroding outer bank."— Presentation transcript:

1 SUB MAR West Fork of Beaver River West Point, OH. Pre-project pictures. Note eroding outer bank.

2 Lisbon Inn 40952 State Route 154, Lisbon, OH

3 SUB MAR Flow

4 SUB MAR

5 SUB MAR

6 During Installation-Sept 2002 SUB MAR Exposed pipeline now protected by Submar Articulated Concrete Mattress Flow

7 07/29/03, approximately one year later SUB MAR

8 SUB MAR NOTE: We did not build the two upstream Bendway Weirs

9 SUB MAR Close-up of Bendway Weirs

10 Looking DS. Recently constructed low, relatively short (average of 25 ft. long) Bendway Weirs, Sept 2002 SUB MAR

11 Looking DS. The same 2 low, relatively short Bendway Weirs, 5 years later Sept 17, 2007. Bank is stable (very flat slope angle compared to the angle of repose) & well vegetated. SUB MAR

12 Looking DS at three Bendway Weirs- freshly constructed- Sept 2002 SUB MAR

13 SUB MAR Pix by derrick 9-17-2007 Looking DS at the same 3 Bendway Weirs 5 years after construction. Fines in BW’s have washed out, but well graded 18 to 24 inch stone is stable. Bank is stable.

14 Looking US at two low elevation Bendway Weirs, two years after construction, 05/11/2004. SUB MAR

15 Looking US at the same two low elevation Bendway Weirs, five years after construction, 9/17/2007. Note stable bank. SUB MAR

16 Looking US at a barely visible Bendway Weir, two years after construction (05/11/2004) SUB MAR

17 SUB MAR Pix by derrick 9-17-2007 Looking US at a barely visible Bendway Weir, five years after construction, bank is stable, & Bendway Weir is barely noticeable.

18 Flow from left to right over low-elevation Bendway Weir, two years after installation SUB MAR

19 SUB MAR Pix by derrick 9-17-2007 Flow from left to right over same low-elevation Bendway Weir, five years after installation

20 SUB MAR Great aquatic habitat due to the deep pools created by the Bendway Weirs. These pools were full of high quality fishes, indicating that water quality is excellent. {5 years after project completion} Pix by derrick 9-17-2007

21 SUB MAR Pipeline protection, two years after installation

22 SUB MAR Pipeline protection, five years after installation Pix by derrick 9-17-2007

23 SUB MAR Evidence of recent deposition due to flooding in the field adjoining the project Pix by derrick 9-17-2007

24 The end


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