Code of Virginia

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Code of Virginia
Title 45.1. Mines and Mining
Chapter 14.3. Requirements Applicable to Underground Coal Mines
7/25/2021

§ 45.1-161.191. (Repealed effective October 1, 2021) Communication systems.

A. Telephone service or equivalent two-way communication facilities shall be provided between the top and each landing of main shafts and slopes. A telephone or equivalent two-way communication facility shall be located on the surface within 500 feet of all main portals, and shall be installed either in a building or in a box-like structure designed to protect the facilities from damage by inclement weather. At least one of these communication facilities shall be at a location where an authorized person who is always on duty when miners are underground can see or hear the facility and respond immediately in the event of an emergency.

B. Telephone lines, other than cables, shall be carried on insulators, installed on the opposite side from power or trolley wires, and where they cross power or trolley wires, they shall be insulated adequately.

C. Lightning arrestors shall be provided at the points where telephone circuits enter the mine and at each telephone on the surface. Where the telephone circuit enters a building or structure, the lightning arrestor is only required where the circuit enters such building or structure.

D. If a communication system other than telephones is used and its operation depends entirely upon power from the mine electric system, means shall be provided to permit continued communication in the event the mine electric power fails or is cut off.

E. Communication systems equipped with audible and visual signals that become operative when telephone communication is being established between the phones of the communication station on the surface and the underground working sections shall be provided.

F. The Chief shall promulgate regulations governing any disruption of communication in mines.

Code 1950, § 45-82.4; 1954, c. 191; 1966, c. 594, § 45.1-81; 1978, c. 118; 1979, c. 315; 1994, c. 28; 1996, c. 774; 1999, c. 256.

The chapters of the acts of assembly referenced in the historical citation at the end of this section may not constitute a comprehensive list of such chapters and may exclude chapters whose provisions have expired.