Washington Administrative Code (Last Updated: November 23, 2016) |
Title 296. Labor and Industries, Department of |
Chapter 296-96. Safety regulations and fees for all elevators, dumbwaiters, escalators and other conveyances. |
Section 296-96-23228. What is the maximum amount of governor rope movement allowed when operating a safety mechanism?
Latest version.
- For all Type B safeties, the movement of the governor rope relative to the car or the counterweight, respectively, required to operate the safety mechanism from its fully retracted position to a position where the safety jaws begin to exert pressure against the guide rails must not exceed the following values based on rated speed:(1) For car safeties:(a) 200 feet per minute or less: 42 inches.(b) 201 to 375 feet per minute: 36 inches.(c) Over 375 feet per minute: 30 inches.(2) For counterweight safeties: 42 inches for all speeds.(3) Drum operated car and counterweight safeties requiring continual unwinding of the safety drum rope to fully apply the safety, must be designed so that no less than three turns of the safety rope will remain on the drum after the overspeed test of the safety has been made with rated load in the car.