A twenty-four-inch concrete curb and gutter assembly is provided in two configurations: catch and spill. The curb features a twelve-inch overall height, six-inch gutter thickness, one-and-a-half-inch radius top transition, one-to-three batter, and a two-inch radius at the gutter invert. The top surface has a brush finish and a two percent maximum cross slope. The catch detail includes a seven-inch vertical face adjacent to a quarter-inch asphalt lip, while the spill detail incorporates a seven-inch height above the adjacent pavement. Both configurations rest upon a six-inch untreated base course over compacted subgrade.
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