CFR > Title 30 - Mineral Resources > CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR > SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH (parts 56 to 58) > PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES > SUBPART F—Drilling and Rotary Jet Piercing (§57.7002 to §57.7807) > 57.7801—Jet drills.

57.7801—Jet drills.

Jet piercing drills shall be provided with:
(a) A system to pressurize the equipment operator's cab, when a cab is provided; and
(b) A protective cover over the oxygen flow indicator.