Stone boulders rest in a one-half inch mortar setting bed with saw-cut bottom surfaces atop a concrete topping slab. A three-inch PVC perforated pipe sits amidst one-to-two-inch river rock for drainage. The topping slab lies over insulation and waterproofing layers, which are supported by the structural slab below.
Structural Slab, S.S.D. Insulation & Waterproofing, S.A.D. 3" PVC Perforated Pipe, S.P.D. Stone Boulders, 1 2 " Mortar Setting Bed -Saw Cut Bottom Surface 1-2" River Rock Topping Slab, S.A.D. Varies See Plan 2% ar Set in Concrete Topping Slab
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