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Code · CFR · Title 30 — Mineral Resources · Part 75 · § 75.205

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

98 words·~1 min read·/us/cfr/t30/s§ 75.205·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

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.
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