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| using a dozer you will not move dirt as far as with a scraper so most likely a lot will come from the bottom of the berm. After dirt work install riser, Things change with a few hours of operating (you might see things different) I have installed risers before and after( pluses minuses both ways). At least 15- 20 foot to riser to top. 30 -40 foot is best and berm will hold more water so less chance of overflow. It is a known fact that when you finish you will encounter a rain that will make Noah jealous you will think you miss figured pipe size, berm height, placement etc. but after you get tillth , organic matter , residue it may only happen once every few years with no damage, Instal slotted pipe as it will take seep water from the draw. Where the pipe dumps into ditch or creek use dual wall or pvc and pack in well. this is a problem place as discharge pipe can float up . The best place to start placing the first dam is where the first signs of a small ditch starts, This spot may have to move up grade if there is no way to hold that much water then instal two dams and risers. 6 inch will be sufficant most places but you are buying pipe size or moving dirt. 6 inch two small dams verses, 8inch one , cost usually favers more dams or higher larger dams. | |
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What's the correct process for building a dry dam or terrace?
