A Class A Portland cement concrete curb and gutter section designed for landscape islands with a drain-thru configuration sits atop a 6-inch layer of Class II aggregate base compacted per geotechnical recommendations. Dimensions include an 18-inch gutter width with 6-inch curbs on each side, a 1-inch inside shoulder, and radii of 1/2-inch and 1-inch at the transitions. A note specifies that weep holes are to be placed on all curbs and gutters where landscaping slopes toward the curb, spaced at 10 feet on center or at each scoreline.
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