Current through Register 1531, September 27, 2024
Section 22.4 - LEVEL CHANGESWalkways shall have continuous common surfaces, not interrupted by steps or changes in level greater than 1/4 inch (1/4" = 6mm).
22.4.1 Changes in level between 1/4 inch and 1/2 inch (1/4" and 1/2" = 6mm and 13mm) shall be beveled with a slope no greater than 1:2 (50%). SeeFig. 22a. Click to view image
22.4.2 Changes in level greater than 1/2 inch (1/2" = 13mm) shall require a curb cut, walkway, ramp, elevator, or platform lift that complies with 521 CMR 21.00: CURB CUTS, 521 CMR 22.00: WALKWAYS, 521 CMR 24.00: RAMPS or 521 CMR 28.00: ELEVATORS.