---
kind: "section"
citation: "30 C.F.R. § 75.205"
title: "30"
number: "75.205"
heading: "Installation of roof support using mining machines with integral roof bolters."
url: "https://uscodex.org/cfr/30/75.205"
---

# §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.

## Notes

### Source

Source: 53 FR 2375, Jan. 27, 1988, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811, 813(h), 957.

### Source

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