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U.S. Department of Labor
Mine Safety and Health Administration
Protecting Miners' Safety and Health Since 1978 |
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30 CFR § 75.506
Electric face equipment; requirements for permissibility.
(a) Electric-driven mine equipment and accessories manufactured on or
after March 30, 1973, will be permissible electric face equipment only (1) if
they are fabricated, assembled, or built under an approval, or any extension
thereof, issued by the Bureau of Mines or the Mine Safety and Health
Administration in accordance with schedule 2G, or any subsequent Bureau of
Mines schedule promulgated by the Secretary after March 30, 1970, which
amends, modifies, or supersedes the permissibility requirements of schedule
2G, and (2) if they are maintained in a permissible condition.
(b) Except as provided in paragraph (c) of this §75.506
electric-driven mine equipment and accessories manufactured prior to March
30, 1973, will be permissible electric face equipment (1) if they were
fabricated, assembled, or built under an approval, or any extension thereof,
issued by the Bureau of Mines in accordance with the schedules set forth
below, and (2) if they are maintained in a permissible condition.
Bureau of Mines Schedule 2D, May 23, 1936;
Bureau of Mines Schedule 2E, February 15, 1945;
Bureau of Mines Schedule 2F, August 3, 1955; and
Bureau of Mines Schedule 2G, March 19, 1968.
Copies of these schedules are available at all MSHA Coal Mine Safety
and Health district offices.
(c) Electric driven mine equipment and accessories bearing the Bureau
of Mines approval numbers listed in Appendix A to this subpart are
permissible electric face equipment only if they are maintained in a
permissible condition.
(d) The following equipment will be permissible electric face
equipment only if it is approved under the appropriate parts of this
chapter, or former Bureau of Mines' approval schedules, and if it is in
permissible condition:
(1) Multiple-Shot Blasting Units, part 7 subpart D;
(2) Electric Cap Lamps, part 19;
(3) Electric Mine Lamps Other than Standard Cap Lamps, part 20;
(4) Flame Safety Lamps;
(5) Portable Methane Detectors, part 22;
(6) Telephone and Signaling Devices, part 23;
(7) Single-Shot Blasting Units;
(8) Lighting Equipment for Illuminating Underground Workings;
(9) Methane-Monitoring Systems, part 27
(10)
Continuous Duty, Warning Light, Portable Methane Detectors, 30 CFR part 29
contained in the 30 CFR, parts 1-199, edition, revised as of July 1,
1999.
