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352.260 Shotfirers -- Solid blasting.
(1)
(2)
(3)
(4)
(5)
Any operator of a mine shall designate only certified persons as shotfirers to prepare
the cartridge and set off and discharge the shots.
Shotfirers shall at all times be under the direction of a certified mine foreman.
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.
When using the method of solid blasting, no more than one (1) face shall be charged
or detonated simultaneously.
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: July 14, 2000
History: Amended 2000 Ky. Acts ch. 104, sec. 20, effective July 14, 2000. -- Amended
1982 Ky. Acts ch. 370, sec. 6, effective July 15, 1982. -- Amended 1980 Ky. Acts
ch. 212, sec. 1, effective July 15, 1980. -- Amended 1972 Ky. Acts ch. 303, sec. 24. - Amended 1952 Ky. Acts ch. 162, sec. 29, effective March 5, 1952. -- Recodified
1942 Ky. Acts ch. 208, sec. 1, effective October 1, 1942, from Ky. Stat. secs. 27391, 2739-39, 2739-40.
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