Current through Register Vol. XLI, No. 25, June 21, 2024
Section 36-10-6 - 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:
6.1. The distance between roof bolts shall not exceed ten (10) feet crosswise.6.2. Roof bolts to be installed nine (9) feet or more apart shall be installed with a wooden crossbar at least three (3) inches thick and eight (8) inches wide, or material which provides equivalent support.6.3. Roof bolts to be installed more than eight (8) feet but less than nine (9) feet apart shall be installed with a wooden plank at least two (2) inches thick and eight (8) inches wide, or material which provides equivalent support.