Every exterior and interior flight of stairs having more than
four risers shall have a handrail on one side of the stair and every
open portion of a stair, landing, balcony, porch, deck, ramp or other
walking surface that is more than 30 inches (762 mm) above the floor
or grade below shall have guards. Handrails shall
be not less than 30 inches (762 mm) in height or more than 42 inches
(1067 mm) in height measured vertically above the nosing of the tread
or above the finished floor of the landing or walking surfaces. Guards shall be not less than 30 inches (762 mm) in height
above the floor of the landing, balcony, porch, deck, or ramp or other
walking surface.
Exception: Guards shall not be
required where exempted by the adopted building code.
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