A concrete walkway transitions to a zero-curb condition at the street interface. A 36-inch deep section of federal yellow truncated domes provides the required detectable warning surface. The ramp maintains a minimum width of 48 inches and a maximum slope of 1:12. Adjacent concrete surfaces include 1/4-inch by 1/4-inch grooves spaced at 3/4-inch on center. Landscape and civil site conditions are referenced for coordination with adjacent paving and curb work.
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