PROWAG (36 CFR 1190)
R404 — Clear Spaces
PROWAG · Chapter 4: Supplemental Technical Requirements. Full current text with cross-references on BuildSpec.
R404 Clear Spaces R404.1 General. Clear spaces shall comply with R404. R404.2 Surfaces. Surfaces of clear spaces shall comply with R302.6. The slope of the clear space shall be 1:48 (2.1%) maximum in both directions. Exception: Where the slope of the clear space would exceed 1:48 (2.1%) in either or both directions due to the grade of an adjacent pedestrian access route conforming to the requirements of R302.4, the slope of the clear space may be consistent with the slope of the pedestrian access route. R404.3 Size. Clear spaces shall be 30 inches (760 mm) minimum by 48 inches (1220 mm)…
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