§ 75.1402-1. Communication between shaft stations and hoist room.
32 words·~1 min read·
/us/cfr/t30/s§ 75.1402-1·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
One of the methods used to communicate between shaft stations and the hoist room shall give signals which can be heard by the hoisting engineer at all times while men are underground.