PROWAG (36 CFR 1190)
R407 — Ramps
PROWAG · Chapter 4: Supplemental Technical Requirements. Full current text with cross-references on BuildSpec.
R407 Ramps R407.1 General. Ramps shall comply with R407. R407 does not apply to curb ramps or pedestrian access routes following the grade established for the adjacent street consistent with the requirements of R302.4.1. R407.2 Running Slope. The running slope of each ramp run shall be 1:12 (8.3%) maximum. R407.3 Cross Slope. The cross slope of ramp runs shall be 1:48 (2.1%) maximum. R407.4 Clear Width. The clear width of a ramp run shall be 48 inches (1220 mm) minimum. Where handrails are provided, the clear width between handrails shall be 48 inches (1220 mm) minimum. Exception: Where a…
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