Current through Register Vol. 43, No. 02, November 27, 2024
(1)
Black Blasting
Powder - No black blasting powder shall be used in any underground
mining operation.
(2)
Squibs - No squibs, other than those ignited by
electricity shall be used.
(3)
Use of Blasting Materials - All detonators and
capped-fuse shall be used as soon as is reasonably possible after being taken
underground.
(a) Blasting caps shall not be
removed from original containers except as they are used for capping fuse or
when placed in other containers recommended by manufacturer.
(4)
General
Requirements for Handling - When blasting supplies are removed
from a magazine, those which have been longest in the magazine shall be taken
first to eliminate hazards from deterioration.
(a) No explosives container shall be opened
with any metallic instrument.
(b)
Explosives shall not be placed or left within fifteen feet (15') of electric
wires or electric lights except during transportation.
(c) No person shall remove any explosive from
a mine or magazine without permission of the Superintendent or Mine
Foreman.
(d) A fire hazard shall
not be permitted to exist near an underground magazine or an explosive
distributing station.
(5) Smoking, Locking Magazine, Storage of
Other Material Smoking in an explosive magazine, or at an explosive
distributing station, or while handling explosives shall be strictly forbidden.
(a) Oils or other combustible substance shall
not be kept or stored within fifty (50') feet of an underground magazine or
distributing station.
(b) The
explosive container shall be opened at a distributing point near and outside
the magazine, and only designated men shall be designated to issue explosives
from this underground magazine. The underground magazine shall be kept locked
when unattended.
(c) Only
designated men shall be designated to cut and cap fuse, and issue same. Such
persons may also issue explosives.
(d) When cutting fuse for capping, it shall
be cut square across with a sharp clean instrument.
(e) Fuse shall be cut long enough to extend
beyond the collar of a loaded drill hole and in no case shall it be less than
four feet (4') in length, and it should be of a contrasting color with that of
the material being blasted.
(6)
Capping Fuse Length of
Fuse - Fuse shall be cut and capped at a safe place and not nearer
than twenty feet (20') to the explosive magazine. Only a cap crimper of a type
recommended by explosive manufacturers may be used in crimping caps. A bench
type crimper is recommended.
(a) Paper,
sawdust, wooden boxes or cartons, except containers necessary for measuring
explosives, shall be placed at a safe distance from the underground magazine
and shall be removed from the mine at sufficiently frequent intervals to
prevent unsafe accumulation.
Author: Marcus Davis, Workers' Compensation
Examiner.
Statutory Authority:
Code of Ala.
1975, §
25-2-13(2).
