Illinois Administrative Code
Title 62 - MINING
Part 225 - USE OF PERMISSIBLE EXPLOSIVES IN UNDERGROUND COAL MINES
Section 225.60 - Misfires

Universal Citation: 62 IL Admin Code ยง 225.60

Current through Register Vol. 48, No. 12, March 22, 2024

The following apply only in the event of a misfire:

a) The shot firer must summon the shot firer's immediate supervisor.

b) The shot firer must wait five (5) minutes after the blast before attempting to handle the misfire.

c) The shot firer, in the presence of the shot firer's immediate supervisor, then must:

1) disconnect the blasting cable from the source of power and

2) short-circuit (shunt) the battery end before the shot firer and shot firer's immediate supervisor examine the electric connections.

d) The shot firer, in the presence of the shot firer's immediate supervisor, may only remove permissible explosives with wooden tools by either of the following two ways:

1) washing the stemming and permissible explosive from the borehole with water or

2) washing out the stemming and inserting and firing a new primer.

e) If it is impractical to remove a misfire in the manner listed in Subsection (d)(1), (d)(2) then the shot firer may remove the misfire by firing a separate charge at least two (2) feet away from and in a line parallel to the misfired charge.

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