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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 296-96-23255. What requirements apply to winding drum machines?
Latest version.
- (1) Winding drum machines must be equipped with a slack-rope device with an enclosed switch of the manually reset type which must cause the electric power to be removed from the elevator driving machine motor and brake if the hoisting ropes become slack or broken.(2) Winding drum machines must be equipped with adjustable machine automatic terminal stop mechanisms set to directly open the main line circuit to the driving machine motor and brake coincident with the opening of the final terminal stopping switch. Chain, belt, or rope-driven mechanisms must not be used.