Section 352.260 - Shotfirers - Solid blasting(1) Any operator of a mine shall designate only certified persons as shotfirers to prepare the cartridge and set off and discharge the shots.(2) Shotfirers shall at all times be under the direction of a certified mine foreman.(3) The following conditions apply when shooting coal from the solid:(a) All licensees engaged in shooting coal from the solid shall submit an application for a permit to the commissioner on a form prescribed by the department.(b) Before said permit is issued by the commissioner he shall have an investigation conducted of the mine to determine the adequacy of the proposed solid blasting plan in complying with KRS Chapter 351 and this chapter and administrative regulations applicable to blasting coal in an underground mine.(c) The mine inspector shall have the authority to stop production at the mine by the issuance of a closure order to any operator who fails to obtain a permit when shooting coal from the solid.(4) When using the method of solid blasting, no more than one (1) face shall be charged or detonated simultaneously.(5) When shooting coal from the solid, not more than two (2) adjacent openers or cut holes shall be primed with detonators having the same delay period. The nominal delay intervals between the succeeding rows of horizons shall not be less than fifty (50) milliseconds nor more than one hundred (100) milliseconds.Effective:7/14/2000
Amended 2000, Ky. Acts ch. 104, sec. 20, effective7/14/2000. -- Amended 1982 Ky. Acts ch. 370, sec. 6, effective 7/15/1982. -- Amended 1980 Ky. Acts ch. 212, sec. 1, effective 7/15/1980. -- Amended 1972 Ky. Acts ch. 303, sec. 24. -- Amended 1952 Ky. Acts ch. 162, sec. 29, effective 3/5/1952. -- Recodified 1942 Ky. Acts ch. 208, sec. 1, effective 10/1/1942, from Ky. Stat. secs. 2739-1, 2739-39, 2739-40.