A thirty-inch concrete curb and gutter profile bears upon a six-inch Type G base course material over compacted subgrade. The monolithically poured concrete section features a fourteen-inch total height at the back of the curb, a six-inch gutter thickness, and a two-inch typical contractor joint. Dimensions include a six-inch curb width, a 22-5/8-inch gutter pan width, and a one-third-inch radius at the curb-gutter transition. Notes specify Type G base course thickness variations based on flowline slope, contraction joint spacing at ten feet, and expansion joints with half-inch premolded joint filler at maximum sixty-foot spacing.
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