PDFWAC 296-307-28006

General requirements that apply to machine guarding.

(1) All power transmission components must be guarded according to the requirements of this section.
(2) The employer must protect employees from coming into contact with moving machinery parts by:
(a) A guard or shield or guarding by location; or
(b) A guardrail or fence whenever a guard or shield or guarding by location is infeasible.
(3) Strength and design of guards.
(a) Guards must be designed and located to prevent inadvertent contact with the hazard.
(b) Unless otherwise specified, each guard and its supports must be strong enough to withstand the force that a 250 pound person would exert leaning on or falling against the guard.
(c) Guards must be securely fastened to the equipment or building.
(4) A guard or shield on stationary equipment must be provided at the mesh point or pinch point where the chain or belt contacts the sprocket or pulley.
(5) Machines that will throw stock, material, or objects must be covered or provided with a device designed and constructed to minimize this action. (Machines such as rip saws, rotary mowers and beaters, rotary tillers are included in this classification.)
(6) For requirements relating to the control of hazardous energy (lockout-tagout) see WAC 296-307-320.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 20-21-091, § 296-307-28006, filed 10/20/20, effective 11/20/20. Statutory Authority: RCW 49.17.040. WSR 98-24-096, § 296-307-28006, filed 12/1/98, effective 3/1/99. WSR 97-09-013, recodified as § 296-307-28006, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. WSR 96-22-048, § 296-306A-28006, filed 10/31/96, effective 12/1/96.]