Indiana Code - Labor and Safety - Title 22, Section 22-10-6-4

Underground storage; containers

Sec. 4. (A) When supplies of explosives and detonators for use in
one (1) or more sections are stored underground, they shall be kept
in section boxes or magazines of substantial construction with no
metal exposed on the inside, located at least 25 feet from roadways
and power wires, and in a reasonably dry, well rock-dusted location
protected from falls of roof.
(B) When explosives or detonators are stored in the section, they
shall be kept preferably in separate boxes or magazines not less than
5 feet apart; if kept in the same box or magazine, they shall be
separated by at least a 4-inch substantially fastened hardwood
partition or the equivalent. Not more than a 48-hour supply of
explosives or detonators shall be stored underground in such boxes
or magazines.
(C) Explosives and detonators stored near the working faces shall
be in separate closed containers, and shall be in a location out of line
of blast not less than 50 feet from the face and 15 feet from any pipe
line, power line, rail or conveyor; except that if kept in niches in the
rib, the distance from pipe line, power line, rail or conveyor shall be
at least 5 feet. Such explosives and detonators, when stored, shall be
separated by a distance of at least 5 feet.
(D) Explosives and detonators shall be kept in their containers
until immediately before use at the working faces.
(E) Only nonmetallic tools shall be used for opening wooden
explosives containers. Tools or other materials shall not be stored
with explosives or detonators.
(Formerly: Acts 1955, c.168, s.43.)

Last modified: May 27, 2006