A French drain (also called a weeping tile,trench drain, filter drain, blind drain, rubble drain, rock drain, drain tile, perimeter drain, land drain, French ditch, sub-surface drain, sub-soil drain, or agricultural drain) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area. The perforated pipe is called a weeping tile (… Web“Riprap,” and details shown on the plans. Place the riprap to the contour and grade of the embankment slope. Cut the pipe to the slope of the riprap. Backfill the remainder of the …
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WebFeb 21, 2024 · The French drain was detailed in an 1859 book written by Henry French, a judge and farmer who lived in Concord, Massachusetts. He helped to popularize … Web90 Degree Outside Corner Detail - Trimmed Knob PDF DWG. 90 Degree Outside Corner Detail - 60" Block PDF DWG. 90 Degree Corner Options PDF DWG. Double 90 Degree Outside Corner - Short Block PDF DWG. … itsmooth
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WebSteps for Installing a French Drain. The steps include digging a trench whose bottom slopes, and that is long enough to lead to a discharge point. In the area where water is to be collected, the sides and bottom of the trench are lined with filter fabric to keep dirt from washing in and clogging the drain. Perforated pipe is laid in the bottom ... WebAppendix B – Standard Details. Appendix B Table of Contents (PDF) Manholes and Appurtenances 010 – 270 (PDF) Storm Structures 300 – 407 (PDF) Pipes 500 – 620 … WebAll of your drain pipe (with one exception) must slope slightly downhill. Usually 1/8" per foot is plenty for drainage, this is the same as the commonly recommended 1% slope. Note that I said the drain pipe must be sloped rather than the French drain. The reason for this is that the drain pipe is used to transport rain water to drier areas or ... nephrostolithotomy percutaneous procedure