PDFWAC 296-96-24757

Terminal stopping devices.

(1) Upper and lower normal stopping devices shall be provided at the top and bottom of the hoistway.
(2) Final terminal stopping devices shall be provided and arranged to remove electric power to the lift driving machine motor and brake after the car has passed a terminal landing. Under normal operating conditions the final terminal stopping device shall not function when the car is stopped by the normal terminal stopping device.
(3) Lifts having traction machines shall have final terminal stopping switches located in the hoistway and operated by cams attached to the car.
(4) Lifts having winding drum machines shall have terminal stopping switches located on and operated by the driving machine, which shall not be driven by chain, rope or belt. Also, stopping switches shall be installed in the hoistway and operated by cams attached to the car or counterweights.
(5) Lifts having winding drum machines shall have a slack rope device with an electric switch of the enclosed manually reset type which will cause the electric power to be removed from the driving machine motor and brake if the hoisting ropes become slack.
[Statutory Authority: Chapter 70.87 RCW. WSR 18-18-070, § 296-96-24757, filed 8/31/18, effective 10/1/18.]