Section 7.187. Guide rail construction

(a) Car and counterweight guide rails shall be constructed of steel or wood. If wood is used it shall be maple or equivalent and of not less than 1-1/2 by 2 inches.

(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.