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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 296-96-13151. What construction requirements apply to car guide rails?
Latest version.
- Each electric manlift must be equipped with at least two guide rails. Guide rails must:(1) Extend at least six inches beyond the maximum travel distance of the car with the buffers compressed.(2) Be securely fastened to a vertical support for the full length of the elevator's travel.(3) Be constructed of vertical grain fir, angle iron:(a) If constructed with vertical grain fir, the rails must be at least one and one-half inch by one and one-half inch and not vary in thickness by more than three-sixteenths inch on brake surfaces.(b) If constructed with angle iron, the angle iron must be at least one-quarter inch by two inch by two inch.(4) Be able to resist a two hundred fifty pound horizontal thrust.(5) Be able to resist more than one-half inch total deflection when the car safety is applied.