8 CSR 30-2.010 - Definitions
(1)
Active workings means any place in any mine where miners normally work or
travel.
(2) ANFO means ammonium
nitrate-fuel oil mixtures.
(3)
Approved means tested and accepted for a specific purpose by a nationally
recognized safety agency.
(4)
Barricaded means obstructed to restrict the passage of persons, vehicles, or
flying materials.
(5) Berm means a
pile or mound of material capable of restraining a vehicle; also a shelf,
ledge, or material placed to contain loose slope material.
(6) Blasting agent means a cap insensitive
chemical composition or mixture consisting of fuel and oxidizer and no
explosive ingredient but which can be made to detonate when initiated with a
high strength explosive primer.
(7)
Blasting area means the area near blasting operations in which concussion or
flying material can reasonably be expected to cause injury.
(8) Blasting cap means a detonator containing
a charge of detonating compound, which is ignited by electric current or the
spark of a fuse; used for detonating explosives.
(9) Blasting circuit means electric circuits
used to fire electric detonators or to ignite an igniter cord by means of an
electric starter.
(10) Blasting
switch means a switch used to connect a power source to a blasting
circuit.
(11) Box-type magazine
means a small, portable magazine used to store limited quantities of explosives
or detonators for short periods of time in locations at the mine which are
convenient to the blasting sites at which they will be used.
(12) Capped fuse means a length of safety
fuse to which a detonator has been attached.
(13) Capped primer means a package or
cartridge of explosives which is specifically designed to transmit detonation
to other explosives and which contains a detonator.
(14) Combustible means capable of being
ignited and consumed by fire.
(15)
Director means director of the Division of Labor Standards.
(16) Company official means a member of the
company supervisory or technical staff.
(17) Competent person means a person having
abilities that fully qualify him/her to perform the duty to which s/he is
assigned.
(18) Department means
Department of Labor and Industrial Relations.
(19) Detonating cord or detonating fuse means
a flexible cord containing a core of high explosive.
(20) Detonator means a device containing a
small detonating charge that is used for detonating an explosive, including,
but not limited to, blasting caps, exploders, electric detonators, and delay
electric blasting caps.
(21)
Distribution box means a portable apparatus with an enclosure through which an
electric circuit is carried to one (1) or more cables from a single incoming
feedline; each cable circuit being connected through individual overcurrent
protective devices.
(22) Electric
blasting cap means a blasting cap designed for and capable of being ignited by
means of an electric current.
(23)
Electric grounding means to connect with the ground to make the earth part of
the circuit.
(24) Employee means a
person who works for wages or salary in the service of an employer.
(25) Employer means a person or organization
employing one (1) or more persons to work for wages or salary.
(26) Explosives means any chemical compound,
mixture, or device, the primary or common purpose of which is to function by
explosion. Explosives include, but are not limited to, black powder, dynamite,
nitro-glycerin, fulminate, and ammonium nitrate when mixed with a hydrocarbon
plus high explosive ingredients.
(27) Face-to-wall means that part of any mine
where excavating is progressing or was last done.
(28) Flammable means capable of being easily
ignited and of burning rapidly as defined by the National Fire Protection
Association.
(29) Highway means any
public road or travelway used by the general public.
(30) Igniter cord means a fuse, cordlike in
appearance, which burns progressively along its length with an external flame
at the zone of burning and is used for lighting a series of safety fuses in the
desired sequence.
(31) Inhabited
building means a building regularly occupied in whole or in part as a
habitation for human beings or any church, schoolhouse, railroad station,
store, factory, or other structure where people are accustomed to assemble
except any building or structure occupied in connection with the manufacture,
transportation, storage, or use of explosives.
(32) Low voltage means electric potential up
to and including 660 volts, medium voltage means voltages from 661 to 1000
volts, and high voltage means more than 1000 volts.
(33) Magazine means a storage place for
explosives or detonators.
(34)
Major electrical installation means an assemblage of stationary electrical
equipment for the generation, transmission, distribution, or conversion of
electric power.
(35) Misfire means
the complete or partial failure of a blasting charge to explode as
planned.
(36) Overburden means
material of any nature, consolidated or unconsolidated, that overlies a deposit
of useful materials or ores that are to be mined.
(37) Primer or booster means a package or
cartridge of explosives which is designed specifically to transmit detonation
to other explosives and which does not contain a detonator.
(38) Reverse-current protection means a
method or device used on direct current circuit equipment to prevent the flow
of current in the reverse direction.
(39) Roll protection means a framework or
safety canopy to protect the vehicle operator if equipment should
overturn.
(40) Safety can means an
approved container, of not over five (5) gallon capacity having a
spring-closing lid and spout cover.
(41) Safety fuse means a train of powder
enclosed in cotton, jute yarn, and water-proofing compounds which burn at a
uniform rate; used for firing a cap containing the detonating compound which in
turn sets off the explosive charge.
(42) Safety switch means a sectionalizing
switch that also provides shunt protection in blasting circuits between the
blasting switch and the shot area.
(43) Scaling means removal of insecure
material from a face or highwall.
(44) Secondary safety connection means a
second connection between a conveyance and rope, intended to prevent the
conveyance from running away or falling in the event the primary connection
fails.
(45) Semiconductive hose
means hose having an electrical resistance of not less than five thousand
(5000) ohms per foot and not more than two (2) megohms for its total length,
used in pneumatic placement of blasting agents in boreholes.
(46) Sprung hole means a blasting hole
chambered or enlarged to take an increased charge of explosives.
(47) Stemming means the inert material and
the placing of such material, on top of any charge of explosives.
(48) Stray current means that portion of a
total electric current that flows through paths other than the intended
circuit.
(49) Substantial
construction means construction of such strength, material, and workmanship
that the object will withstand all reasonable shock, wear, usage, and
deterioration to which it will normally be subjected.
(50) Suitable means that which fits and has
the qualities or qualifications to normally meet a given purpose, occasion,
condition, or function or circumstance.
(51) Travelway means a passage, walk, or way
regularly used and designated for persons to go from one (1) place to another
while at work.
(52) Wet drilling
means the continuous application of water to the back or bottom of the drill
holes while drilling.
(53) Working
place means any place in or about a mine where work is being
performed.
Notes
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