1. Regulations
  2. title 30
  3. chapter I
  4. part 57
  5. subpart J
  6. subjgrp 183
  7. § 57.11054

View all text of Subjgrp 183 [§ 57.11050 - § 57.11059]

§ 57.11054 - Communication with refuge chambers.

Telephone or other voice communication shall be provided between the surface and refuge chambers and such systems shall be independent of the mine power supply.

AUTHORITY: 30 U.S.C. 811.

SOURCE: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.

CITE AS: 30 CFR 57.11054