To maintain ADA compliance in NYC, the maximum allowable cross slope for a pedestrian access route is 2.00% (or a 1:50 ratio). If a sidewalk is poured too steeply, it becomes incredibly difficult and dangerous for wheelchair users to navigate without rolling or tipping sideways. During sidewalk replacement, professional contractors use precise digital levels to strike the perfect slope balance—providing adequate water drainage while keeping the walkway safe and flat.
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