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Old 04-17-2013, 04:01 PM
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PTSolutions PTSolutions is offline
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Join Date: Nov 2007
Location: OH
Posts: 2,281
pick your brains on slope stabilization...

Hey guys, I have a customer for whom we are doing some landscaping and new lawn install. He just moved into a new development and has an issue in his back yard. About 50' from the back of the house his yard slopes down into a marsh area (have yet to verify if this is a natural wetland with GIS, eff the EPA...)

The problem is the slope is about 30-35* with a face run of about 50' down to the bottom from the crest of the back yard. He wants me to come up with some ideas on how to stabilize this area. There are some visible "cracks" at the crest area that shows the slope is settling as it was all excavated soil that was dozed and graded for the back yard. So I am thinking it will continue to settle.

My idea was to dig a trench at the crest to install some gravel and drain tile running parallel with the edge, wrapped in geotex with 2-3 discharge pipes running down the slope. After this, use a special slope seed mix and then add a rock layer of rip rap, rough avg. 6-12" limestone pieces over the face of the slope.

What do you guys think? My only concern will be future settling since this is already excavated soil just graded. I know I've seen Chris using that plastic matting with pockets on the bridge project he did last year, but he said it was a pain in the butt.

Any other ideas?
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