30 CFR 75.205 - Installation of roof support using mining machines with integral roof bolters.

Regulations last checked for updates: May 19, 2024

Title 30 - Mineral Resources last revised: May 15, 2024

View all text of Subpart C [§ 75.200 - § 75.223]

§ 75.205 - Installation of roof support using mining machines with integral roof bolters.

When roof bolts are installed by a continuous mining machine with integral roof bolting equipment:

(a) The distance between roof bolts shall not exceed 10 feet crosswise.

(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.

(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.

authority: 30 U.S.C. 811,813,957

source: 35 FR 17890, Nov. 20, 1970, unless otherwise noted.

cite as: 30 CFR 75.205