WAC 296-307-28024
WAC 296-307-28024. Guarding vertical and inclined belts
(1) Vertical and inclined belts must be guarded according to WAC 296-307-28044 and 296-307-28050 through 296-307-28060 .
(2) All guards for inclined belts must provide a minimum clearance of 7 feet between belt and floor at any point outside of the guard.
(3) A vertical or inclined belt may be guarded with a nip-point belt and pulley guard, if it is:
(a) 2-1/2 inches wide or less;
(b) Running at a speed of less than one thousand feet per minute; and
(c) Free from metal lacings or fastenings.
Nip-point belt and pulley guard. A device that encloses the pulley and has rounded or rolled edge slots through which the belt passes.
(4) Vertical belts running over a lower pulley more than seven feet above floor or platform must be guarded according to the same requirements as horizontal overhead belts, if the belt is:
(a) Located over passageways or work places and traveling 1,800 feet or more per minute;
(b) Eight inches wider or more.