27-355. Hoisting tools and materials
A. When tools, timber or other materials are loaded or hoisted in the shaft, the ends, if projecting above the top of the bucket, skip or other vehicle, shall be securely fastened to the hoisting rope or to the upper part of the vehicle, and tools, timber or other materials loaded erectly upon a cage shall be securely lashed before they are hoisted or carried.
B. No cage, skip, bucket or other vehicle shall be lowered directly to the bottom of a shaft fifty feet or more in depth where persons are working, but shall be stopped at least fifteen feet above the bottom until the signal to lower further has been given by one of the persons at the bottom of the shaft.