WAC 296-56-60147. Elevator doors

Employers must provide elevator car doors on all elevators, except on fully enclosed hoistways equipped with hoistway gates and enclosed from the top of the hoistway opening to the ceiling on the landing side. (1) Car doors may be of solid or perforated construction and must be capable of resisting a 75 pound thrust without deflecting one-quarter inch. (2) Car doors may be biparting or otherwise horizontally swung provided the door swings within the elevator car. (3) A positive locking latch device which resists a 250 pound thrust must be provided. (4) Interlocks or mechanical locks and electric contacts must be provided on cars operating in open hoistways.