Public access or private residence? The public access regs are pretty clear cut, although confusing and contradictory at times. Just to throw further fuel on the ADA fires of confusion, you also have to take into account all applicable local zoning laws. Cross-referencing handrail size/diameter to the more child-specific "Playground" section in Section 15 (not enforceable, but recommended) in Section 15.6.4.5.1 (Handrail Gripping Surface) is 'recommended' as 0.95 inch minimum width/diameter to 1.55 inch max width/diameter (or 'equivalent' gripping surface). With caveat that if used 'primarily' by children (or as a second/secondary parallel rail as you have done), then the 'lower' rail is to be 20-28 inches above the ramp surface (28 inch max, per A4.8.5, with a recommended minimum spacing between the upper and lower rails of 9 inches to help prevent entrapment). Top gripping surface of handrail is to be 34-38 inches above the ramp surface. 2 inch high minimum, unless the 'outboard' edge of the ramp/landing is ~12 inches outboard of the handrail (which is acting like the 'guard' or there are walls/etc to prevent/minimize someone from slipping past the edge of the ramp (especially blind or visually impaired folks using a cane technique where the cane would 'sweep' right under the handrail and then the person would bump into the rail and/or their foot would go right off the edge of the ramp).ĪDA ramps (with handrail and curb/toeboard requirements) in Section 4.8 (Ramps), specifically 4.8.5 (Handrails) and 4.8.7 (Edge Protection). And they often don't.īut a handicap/ADA ramp does need toeboards or a 'curb'. Gub'mint rules-n-regs don't HAVE to make sense.
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