A stairway or ladder shall be provided at all personnel points of access where there is a break in
elevation of 19 inches (48 cm) or more, and no ramp, runway, sloped embankment, or personnel hoist is provided.
Employees shall not use any spiral stairways that will not be a permanent part of the structure on
which construction work is being performed.
A double-cleated ladder or two or more separate ladders shall be provided when ladders are the only
mean of access or exit from a working area for 25 or more employees, or when a ladder is to serve simultaneous two-way traffic.
When a building or structure has only one point of access between levels, that point of access shall
be kept clear to permit free passage of employees. When work must be performed or equipment must be used such that free passage at that point of
access is restricted, a second point of access shall be provided and used.
When a building or structure has two or more points of access between levels, at least one point of
access shall be kept clear to permit free passage of employees.
Employers shall provide and install all stairway and ladder fall protection systems required by this
subpart and shall comply with all other pertinent requirements of this subpart before employees begin the work that necessitates the installation and
use of stairways, ladders, and their respective fall protection systems.
[55 FR 47687, Nov. 14, 1990]