A precast or cast-in-place concrete catch basin features a bicycle grate and curb box assembly. The catch basin includes #4 reinforcing bars spaced at 12 inches on center in each wall, supported by a concrete base slab with dowels. The inlet connects to drainage piping with smooth cuts at the box wall and epoxy grouted joints. Standard curb and gutter transitions tie into the cast frame and grate matching the specified flow line.
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