Guide

305.2 Floor or Ground Surfaces. Floor or ground surfaces of a clear oor or ground space shall comply with
302. Changes in level are not permitted.
EXCEPTION: Slopes not steeper than 1:48 shall be permitted.
305.3 Size. e clear oor or ground space shall be 30 inches (760 mm) minimum by 48 inches (1220 mm) min-
imum.
48 in. min
1220 mm
30 in. min
760 mm
Figure 305.3 Clear Floor or Ground Space
305.4 Knee and Toe Clearance. Unless otherwise specied, clear oor or ground space shall be permitted to
include knee and toe clearance complying with 306.
305.5 Position. Unless otherwise specied, clear oor or ground space shall be positioned for either forward or
parallel approach to an element. For a forward approach to an element, a clear oor or ground space, 30 inch-
es by 48 inches (760 mm by 1220 mm) minimum, is shown with the shorter dimension parallel to the wall or
element. For a parallel approach to an element, a clear oor or ground space, 30 inches by 48 inches (760 mm by
1220 mm) minimum, is shown with the longer dimension parallel to the wall or element.
48 in. min
1220 mm
30 in. min
760 mm
(a) forward
48 in. min
1220 mm
30 in. min
760 mm
(b) parallel
Figure 305.5 Position of Clear Floor or Ground Space