Register February 2012 No. 674
Chapter DCF 52
An exterior ramp is a sloping walk or structure having a gradient greater than 1:20 that provides access to or a means of exit from a building. An exterior ramp shall meet the following specifications:
a.   Width. A minimum width of 48 inches, of which not more than 4 inches on each side may be occupied by a handrail, and a slip-resistant surface.
b.   Gradient. A gradient not greater than a 1:12 slope.
c.   Handrails. Graspable handrails as follows:
  - A ramp with a gradient greater than 1:20 but less than 1:12 shall have a handrail on at least one side of the ramp.
  - A ramp with a gradient of 1:12 shall have handrails on both sides of the ramp.
  - A ramp shall have a handrail on a side where the adjacent terrain exceeds a 1:4 downward slope away from the ramp.
d.   Handrail height. A handrail mounted so that the top is between 30 inches and 34 inches above the ramp surface.
e.   Midrails. If open-sided, having an intermediate parallel rail located at mid-height between a handrail and the ramp surface.
f.   Handrail clearance. A clear space of at least 11/2 inches between a handrail and any adjoining wall.
g.   Ramp clearance. The floor on each side of an accessible doorway shall be level for a distance of 5 feet from the door, and the ramp shall have a level platform at least 5 feet long where it turns and at least 5 feet of level clearance at the bottom.
h.   Rest platform. A ramp longer than 30 feet in length shall have a 5-foot long level platform after each 30-foot length of ramp.
Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.