WAC 296-56-60127   Cargo doors.  (1) Mechanically operated cargo doors.

     (a) Cargo door counterweights shall be guarded.

     (b) Lift trucks and cranes shall not be used to move mechanically operated doors except when necessary during repair to the doors. Ropes or other guarding shall be provided to prevent entry into any area if the door may fall or slide.

     (c) Vertically operated doors partially opened for work or ventilation shall be secured to prevent accidental closing.

     (2) Tackle operated cargo doors.

     (a) Doors shall be connected to their lifting tackle with shackles or other secure means.

     (b) Lifting bridles and tackles shall have a safety factor of five, based upon maximum anticipated static loading conditions.

     (c) Devices shall be provided to hold overhead doors in the open position and to secure them when closed.

     (d) Lifting gear and hardware shall be maintained in safe condition.

     (e) Lifting ropes shall be placed out of the work area and off the floor.

     (3) Horizontal sliding.

     (a) Horizontal sliding door rollers shall be constructed to prevent the door from disengaging from overhead tracks.

     (b) Sliding doors shall be secured to prevent them from swinging.



[Statutory Authority: RCW 49.17.040 and 49.17.050. 86-03-064 (Order 86-02), § 296-56-60127, filed 1/17/86; 85-01-022 (Order 84-24), § 296-56-60127, filed 12/11/84.]