You are viewing an archived code
Changes of level shall be accommodated by ramps having the following maximum slopes:
1. A slope between 1:10 and 1:12 is allowed for a maximum rise of 6 inches (152 mm).
2. A slope between 1:8 and 1:10 is allowed for a maximum rise of 3 inches (76 mm).
3. A slope between 1:6 and 1:8 is allowed for a maximum rise of 2 inches (51 mm).
4. If access to any space in a historic building is limited to controlled groups with assigned tour guide, changes in level as provided in item 1 of this subsection may be accommodated by means of a detachable ramp.