§ 30-2-605 — Requirements as to underground magazines; use of nonmetallic tools

(a) Underground magazines shall be of substantial
construction and placed in a crosscut or idle room neck at least
twenty-five (25) feet from roadways or trolley wires and in a
reasonably dry and well-rock-dusted place. The explosives and
detonators shall be kept in separate boxes or magazines, but may
be kept in the same box if separated by at least a four (4) inch
substantially fastened hardwood partition or the equivalent. Not
more than a forty-eight (48) hour supply of explosives,
including any surplus remaining from the previous day, shall be
stored underground in boxes or magazines. The inspector may
approve variances in writing to the forty-eight (48) hour supply
limit if the safety of miners is not adversely affected.
(b) Explosives and detonators kept near the working faces
shall be stored in separate, closed containers of substantial,
nonconductive material located not less than fifteen (15) feet
from rail or power lines, except if kept in a niche in the rib,
the distance shall be at least five (5) feet, and in a location
out of line of blast where they will not likely be subjected to
shock.
(c) Explosives and detonators shall be kept in their
containers until removed for use at the working faces.
(d) Only nonmetallic tools shall be used for opening
explosives containers underground.
(e) Underground explosives magazines and storage boxes
shall be kept securely locked when unattended.
(f) Underground explosives magazines and storage boxes
shall be provided with signs indicating their contents.
(g) Contents stored in magazines and storage boxes
pursuant to this section shall be inventoried at least once a
month and after each use.