(A) Width of interior ramps in areas used by residents shall conform to width under 105 CMR 150.600(A). Outside ramps shall be not less than four feet in width.(B) Ramp surfaces shall be constructed and maintained in such a manner as to prevent slipping thereon.(C) Street or ground floors having exits to the exterior above grade shall have at least one ramp leading to grade to accommodate residents using wheelchair and litter residents.(D) Handrails shall be provided on both sides of all ramps. Specification as to height, anchorage and curved returns as listed in 105 CMR 150.600(B) shall apply.(E) Ramps shall have a gradient of not greater than 8%.Adopted by Mass Register Issue 1361, eff. 3/23/2018.