This plan detail shows the layout for a concrete washout area featuring surrounding earthen berms with three-to-one side slopes and a minimum twelve-inch top width typical. An eight-foot minimum square basin sits centrally within the containment area, bordered by approach dimensions of eight feet, nine feet, and twelve feet minimum. A vehicle tracking control entrance connects to the washout area with a four-foot clearance transition.
CONCRETE WASHOUT SIGN A 8' (MIN.) 8' (MIN.) 3:1 3:1 3:1 3:1 BERM BERM BERM 4' INSTALL VEHICLE TRACKING CONTROL AT CONSTRUCTION ENTRANCE BERM 12" TOP WIDTH (MIN.) (TYP.) 9' (MIN.) 12' (MIN.) GC502 K1
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