(1) You must only use those stairways, passageways, and ladders, designated as means of access to the structure of building. Other access ways must be entirely closed off at all times.

(2) You must periodically inspect all stairs, passageways, ladders and incidental equipment thereto, which are covered by this section and maintain them in a clean safe condition.

(3) You must secure all ladders in position.

(4) In a multistory building, when a stairwell is being used, you must properly illuminate by either natural or artificial means, and completely and substantially covered over at a point not less than two floors below the floor on which work is being performed. Access to the floor where the work is in progress must be through a properly lighted, protected, and separate passageway.