GroundRules
30 CFR 77.1010: Collaring holes.
Where this section sits in the code
- Title 30—Mineral Resources
- CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- SUBCHAPTER O—COAL MINE SAFETY AND HEALTH
- PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
- Subpart K—Ground Control
(a) Starter steels shall be used when collaring holes with hand-held drills.
(b) Men shall not hold the drill steel while collaring holes, or rest their hands on the chuck or centralizer while drilling.
Collected 2026-08-27T02:25:24Z. Source file · JSON