StacksVerified U.S. regulatory reference

30 CFR §75.205

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
When roof bolts are installed by a continuous mining machine with integral roof bolting equipment:
  1. (a)The distance between roof bolts shall not exceed 10 feet crosswise.
  2. (b)Roof bolts to be installed 9 feet or more apart shall be installed with a wooden crossbar at least 3 inches thick and 8 inches wide, or material which provides equivalent support.
  3. (c)Roof bolts to be installed more than 8 feet but less than 9 feet apart shall be installed with a wooden plank at least 2 inches thick and 8 inches wide, or material which provides equivalent support.