CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway...
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Transcript of CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway...
![Page 1: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/1.jpg)
CASE STUDY- West Fork Beaver River, West Point, OH.
Constructed Sept. 2002
Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream
![Page 2: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/2.jpg)
Functions of Bendway Weirs on the West Fork Beaver River: Main function is realignment of the thalweg through the bend and also center the thalweg within the channel immediately downstream of the bend where a pipeline was exposed by erosion. The pipeline cover was protected with Articulated Concrete Mattress (ACM). Secondary function was to provide some bank stabilization within the bend.
![Page 3: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/3.jpg)
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West Fork of Beaver River
West Point, OH. Pre-project picture.
Looking US at an eroding outer bank.
![Page 4: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/4.jpg)
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NOTE: We did not build the two upstream Bendway Weirs
![Page 5: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/5.jpg)
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Close-up of Bendway Weirs
![Page 6: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/6.jpg)
Looking DS at three Bendway Weirs,
constructed Sept 2002
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Pix by derrick 9-2002
![Page 7: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/7.jpg)
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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.
![Page 8: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/8.jpg)
Looking US at two low elevation Bendway Weirs, two years after
construction, 05/11/2004.
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![Page 9: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/9.jpg)
Looking US at the same two low elevation Bendway Weirs, five years after construction, 9/17/2007. Note
stable flat angle, vegetated bank.
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![Page 10: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/10.jpg)
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Pix by derrick 9-17-2007Close-up of the DS low-elevation Bendway Weir, five years after installation.
![Page 11: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/11.jpg)
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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
![Page 12: CASE STUDY- West Fork Beaver River, West Point, OH. Constructed Sept. 2002 Minimal height Bendway Weirs in a gravel-cobble-sand-silt bed stream.](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649f2f5503460f94c487c1/html5/thumbnails/12.jpg)
WE ARE DOG TIRED, THIS PROJECT IS DONE !!
Cleophus Speed Elvis Derrick