A twenty-four-inch reverse pan concrete curb and gutter assembly bears directly on a compacted select fill subbase. The overall width of the unit measures twenty-four inches, with a total back height of twelve inches, a gutter lip height of six inches, and a flowline height of seven inches. The top width of the curb is six inches, featuring a three-quarter-inch radius at the transitions. A contraction joint is located typically through the cross-section, and the entire installation complies with APWA Standards Plan Number 205.
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