§ 7.147. Guide rail construction.

 (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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