Ada Ground And Floor Surfaces

306 knee and toe clearance.

Ada ground and floor surfaces.

Stairways that are part of a means of egress. 502 4 floor or ground surfaces. 305 clear floor ground spaces. Wheelchairs move most easily on hard stable and regular surfaces.

Elongated openings shall be placed so that the long dimension is perpendicular to the dominant direction of travel. Openings in floor or ground surfaces shall not allow passage of a sphere more than 1 2 inch 13 mm diameter except as allowed in 407 4 3 409 4 3 410 4 810 5 3 and 810 10. Walking surfaces shall provide clearances complying with 403 5. Ground and floor surfaces along accessible routes and in accessible rooms and spaces including floors walks ramps stairs and curb ramps shall be stable firm slip resistant and shall comply with 4 5.

Soft loose surfaces such as sand or gravel wet clay or cobblestones can make it difficult for wheelchairs to move in ease. 302 floor ground surfaces. Interior and exterior accessible routes including walking surfaces ramps elevators and lifts. Stable surfaces resist movement while firm surfaces resist deformation by applied forces.

The running slope of walking surfaces shall not be steeper than 1 20. Changes in level are not permitted. Access aisles shall be at the same level as the parking spaces they serve. 303 change in level.

The cross slope of walking surfaces shall not be steeper than 1 48. 404 doors doorways gates. Hardened materials such as concrete asphalt tile and wood are sufficiently firm and stable for accessibility. The ada discusses ground and floor surfaces in section 4 5 where they say in general that.

403 2 floor or ground surface. Ground and floor surfaces along accessible routes and in accessible rooms and spaces including floors walks ramps stairs and curb ramps shall be stable firm slip resistant and shall comply with 4 5. Changes in level shall comply with 303. Parts creating horizontal or vertical joints in these surfaces shall be within 1 16 inch 1 6 mm of the same plane as the other.

Accessible surfaces remain unchanged by external forces objects or materials. Ada ground and floor surfacesalong accessible routes must be stable firm and slip resistant. Changes in level up to 1 4 in 6 mm may be vertical and without edge treatment. Swinging door and gate surfaces within 10 inches 255 mm of the finish floor or ground measured vertically shall have a smooth surface on the push side extending the full width of the door or gate.

Specifications for floor and ground surfaces address surface characteristics carpeting openings and changes in level. Parking spaces and access aisles serving them shall comply with 302. Accessible floor and ground surfaces must be stable firm and slip resistant.