Section 296-307-28020. What requirements apply to guarding horizontal belt, rope, and chain drives?
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"Belts" include all power transmission belts, such as flat belts, round belts, V-belts, etc., unless otherwise specified.
(1) Where both runs of horizontal belts are 7 feet or less from the floor level, the guard must extend to at least 15 inches above the belt or to a standard height. (See Table P-1.)
Exception:
Where both runs of a horizontal belt are 42 inches or less from the floor, the belt must be fully enclosed according to WAC 296-307-28046 and 296-307-28050 through 296-307-28060.
(2) In power development rooms, a guardrail may be used instead of the guard.