Wash. Admin. Code § 296-56-60151 - Guide rails
You must provide a minimum of two car guide rails. They must:
(1) Extend at least six inches
beyond the maximum travel of the car with buffers compressed.
(2) Be securely fastened to a vertical
supporting member for the full length of elevator travel.
(3) Be not less than one and one-half inch by
one and one-half inch vertical grain fir or equivalent, one-quarter inch by two
inch by two inch angle iron or equivalent.
(4) Not vary more than three-sixteenths inch
thickness on brake surfaces for wood guide rails.
(5) Be secured to resist more than one-half
inch total deflection on car safety application and resist a two hundred fifty
pound horizontal thrust.
Notes
Statutory Authority: RCW 49.17.040 and 49.17.050. 86-03-064 (Order 86-02), § 296-56-60151, filed 1/17/86; 85-01-022 (Order 84-24), § 296-56-60151, filed 12/11/84.
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