Current through Register Vol. XLI, No. 37, September 13, 2024
Section 36-6-7 - Electrical De-energizing Devices; Longwall Section Face Conveyer7.1. After the effective date of these rules and regulations, all new installed longwall section face conveyers shall be provided with lock-out type de-energizing devices to de-energize the electrical power on the longwall section face conveyer: Such de-energizing devices shall be provided at intervals of not more than fifty (50) feet when the height of the coal seam is below forty-eight (48) inches and at intervals of not more than one-hundred (100) feet when the height of the coal seam is above forty-eight (48) inches. 7.1.1. Twelve (12) months after the effective date of these rules and regulations all longwall mining sections that were in operation prior to the effective date of these rules and regulations shall be provided with lock-out type de-energizing devices on face conveyers as required in the aforementioned paragraph.7.2. The head gate operator on the longwall section face shall be provided with emergency de-energizing devices to de-energize immediately the longwall mining face equipment. 7.3. At the beginning of each coal producing shift all emergency de-energizing devices shall be checked for proper functioning. If an emergency de-energizing device is found malfunctioning, mining operations shall not begin until all de-energizing device is repaired. 7.3.1. If during a coal producing shift a de-energizing device malfunctions, a designated person shall be stationed at the next de-energizing device until such time the malfunctioning de-energizing device is functioning properly.7.3.2. At no time shall more than one de-energizing device be malfunctioning while mining operations are in progress.7.4. Longwall section face conveyer electrical circuits shall be designed so the face conveyer will not start at any other location until the lockout device is disengaged at the point of initial interruption.7.5. All shearer and plow motors used on a longwall section face shall be designed so that the cutting bits on the shearer or plow cannot begin operating when electrical power is initially applied.7.6. No person shall perform work on the pan line or on the face side of the pan line unless such equipment is de-energized and locked out.