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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 30 - Mineral Resources |
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Chapter I - Mine Safety and Health Administration, Department of Labor |
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SubChapter O - Coal Mine Safety and Health |
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Part 75 - Mandatory Safety Standards - Underground Coal Mines |
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Subpart C - Roof Support |
§ 75.205 - Installation of roof support using mining machines with integral roof bolters.
Latest version.
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§ 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.