Wash. Admin. Code § 296-56-60189 - Hoistway guide rails
(1) You must
make sure there are a minimum of two opposing guide rails extending to a point
six inches beyond the full height of travel of the car when the counterweight
buffer is fully compressed.
(2) You
must make sure all rails are attached by bolts, lag screws or other approved
methods to a vertical supporting member which does not exceed one-half inch
deflection with the application of a two hundred fifty pound horizontal thrust
at any point.
(3) You must make
sure wood guide rails are at least one and one-half inch by one and one-half
inch vertical grain fir or equivalent and must not vary more than
three-sixteenth inch in thickness on the sides which the brakes contact. All
joints must be kept smooth and even.
Notes
Statutory Authority: RCW 49.17.040 and 49.17.050. 86-03-064 (Order 86-02), § 296-56-60189, filed 1/17/86; 85-01-022 (Order 84-24), § 296-56-60189, filed 12/11/84.
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