Current through Register Vol. XLI, No. 50, December 13, 2024
Section 36-41-5 - Requirements For The Use Of Sheathed Explosives In Underground Mining5.1. Not withstanding W. Va. Code '22A-2-33(d), sheathed explosives that are approved by the U.S. Bureau of Mines shall be permitted for use in West Virginia coal mines, provided however that they are used in accordance with subsection (a, b, c, d, e, f, g, h) as stated.5.2. Sheathed explosives units shall be primed and placed in a position for firing and detonated by a certified shot firer designated by mine management. To prime a sheathed explosive unit, the entire detonator shall be inserted into the well of the unit and be held securely in place.5.3. A separate instantaneous detonator shall be used to fire each sheathed explosive unit.5.4. Use of transportation of handling and storage of sheath explosives shall be in accordance with the manufacturers specifications and applicable to State and Federal Law.5.5. Sheathed esplosive units shall not be primed until immediately before units are placed where they are to be fired. A sheathed explosive unit shall not be primed if it is damaged or deteriorated.5.6. No more than three sheathed explosive units shall be fired at one time.5.7. No sheathed explosive unit shall be fired in contact with another sheathed explosive unit.5.8. Certified shot firers and all persons responsible for the use, transportation and handling of sheathed blasting explosives shall be trained in the care and use of sheathed explosives.