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Washington Administrative Code (Last Updated: November 23, 2016) |
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Title 296. Labor and Industries, Department of |
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Chapter 296-96. Safety regulations and fees for all elevators, dumbwaiters, escalators and other conveyances. |
Section 296-96-16190. Where must terminal stopping devices be located?
Latest version.
- (1) Upper and lower normal stopping devices must be provided at the top and bottom of the hoistway.(2) Final terminal stopping devices must be provided and arranged to stop electric power to the elevator driving machine motor and brake after the car has passed a terminal landing but so that under normal operating conditions it will not function when the car is stopped by the normal terminal stopping device.(3) Elevators having traction machines must have final terminal stopping switches located in the hoistway and operated by cams attached to the car.(4) Elevators having winding-drum machines must have terminal stopping switches located on and operated by the driving machine, which must not be driven by chain, rope or belt. Also, stopping switches must be installed in the hoistway and operated by cams attached to the car or counterweights.(5) All elevators having winding-drum machines must 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.