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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 296-96-13153. What construction requirements apply to hoisting ropes?
Latest version.
- There must be at least two hoisting ropes. Each rope must be:(1) Made of a good grade of elevator traction wire rope;(2) At least three-eighths inches in diameter and possessing a safety factor of five;(3) Fastened by babbitted tapered elevator sockets or other acceptable methods. If cable clamps are used, a minimum of three cable clamps must be provided. U-shaped clamps shall not be acceptable.(4) Long enough so the car platform will be no more than six inches above the top landing when the counterweight buffer is fully compressed, and at least six inches from the counterbalance sheave when the car buffer is fully compressed.