These documents are currently being revised to incorporate the changes made during the 2024 Legislative Session. Please consult the Sections Affected Table for changes made during the 2024 Legislative Session.
Telephone system for tunnels.
Where tunnels are driven from shafts more than two hundred and fifty feet deep, a telephone system shall be established and maintained, communicating with the surface at each such shaft, and with a station or stations readily and quickly accessible to the men at the working level.