Section 7.147. Guide rail construction

Latest version.

(a) Car and counterweight guide rails shall be constructed of steel.
(b) Guide rails shall be securely fastened in accordance with the following:
(1) Guide rails and their fastenings shall not deflect more than 1/4 inch under normal operation.
(2) Joints of guide rails shall be well-fitted and strongly secured.
(3) Guide rails and their joints and fastenings shall withstand the application of the safety when stopping the fully-loaded car.
(c) Guide rails shall extend from the bottom of the hoistway to a height above the top landing sufficient to prevent the guide shoes from running off the guides when the car or counterweight is at the extreme upper position.

                    
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