B. Definitions Flashcards
What is the definition of “misfire”?
“misfire” means any explosives which have failed to explode.
What is the definition of “manufacture”?
“manufacture” means the making or processing of any explosive, and includes the division of any explosive into its components by any process, the conversion of any kind of explosive into another kind and the alteration, testing or reworking of any explosive.
What is the definition of “misfired hole”?
“misfired hole” means a shot hole or part of a shot hole in which any explosives or any portion thereof has failed to explode.
What is the definition of “primary blasting”?
“primary blasting” means the blasting operations normally associated with the breaking of in-situ ground for production purposes, including the blasting of big rocks, obstructions in ore passes or box holes or blasting operations where explosives are not contained in a shot hole.
What is the definition of “secondary blasting”?
“secondary blasting” means the blasting operations not associated with production from in-situ ground which can take place at any time during a shift to remove obstructions or reduce big rocks in size, but excludes the blasting of shot holes drilled in in-situ rock.
What is the definition of “shot hole”?
“shot hole” means any drill hole charged with or intended to be charged with explosives.
What is the definition of “socket”?
“socket” means any shot hole, or part of any shot hole, known not to be a misfired hole, which remains after having been charged with explosives and blasted or which, for any other reason, may be suspected of having contained explosives at any time and includes any shot hole, or part of any shot hole, from which all explosives have been extracted.
What is the definition of “in-situ”?
“in-situ” means on site” or “in position”. It means “locally”, “on site”, “on the premises” or “in place” to describe an event where it takes place
What is the definition of “lifting equipment”?
“lifting equipment” means any equipment or machine or arrangement of equipment or machines intended or used for the lifting, lowering, suspension, or moving in suspension of any person or load.
What is the definition of “lifting tackle”?
“lifting tackle” means any attachment, including anchoring points, used to secure lifting equipment or a load to lifting equipment.
What is the definition of “booster fan”?
“booster fan” means a fan installed underground in the main air stream or in a split of the main air stream to assist the main fan to increase airflow and/or overcome resistance through a section of a mine.
What is the definition of “main fan”?
“main fan” means a fan that controls the entire air flow of a mine, or the airflow of one or more of the major air circuits.
What is the definition of “conveyor belt installation”?
“conveyor belt installation” means a mechanical system used for the transportation of minerals, material or persons on a belt.
What is the definition of “designated sections”?
“designated sections” means the drive section, take up tension section, snub pulley sections, transfer point sections and tail pulley sections.
What is the definition of “power supply”?
“power supply” means any energy source feeding the drive motor of a conveyor belt installation.
What is the definition of “certified”?
“certified” means any type tested, batch tested or produced under an approved product certification scheme, as described in South African National Standard ARP 0108 “Regulatory requirements for explosion protected apparatus.
What is the definition of “double protected”?
“double protected” means a combination of any two independent types of explosion protection in such a way that in the event of failure of one of them, the other independent second means provides the required level of protection.
What is the definition of “explosion protected apparatus”?
“explosion protected apparatus” means any apparatus used in a hazardous location and selected in accordance with the guidelines as defined in the South African National Standard SANS 10108-2005, “The classification of hazardous locations and the selection of apparatus for use in such locations” and the Aanbevolle/ Recommended Praktyk/Practice ARP 0108, “Regulatory requirements for explosion protected apparatus”.
What is the definition of “hazardous location”?
“hazardous location” means any location, where there may be a significant risk of igniting gas, dust, mist or vapour, including the following-
a) for underground coal mines any location where, under normal operating conditions, there is a continuous presence of flammable gas, measured at a concentration of 0,5% or more by volume in the general body of the air, including-
i. a return airway; and
ii. any location determined by risk assessment but not less than 180m from any working face.
b) for underground mines other than coal mines any location where, under normal operating conditions, there is a continuous presence of flammable gas measured at a concentration of 0,5% or more by volume in the air.
c) for surface mines and surface locations at all mines including offshore installations any location as identified in accordance with South African National Standard SANS 10108: 2004 (Edition 5), “The classification of hazardous locations and the selection of apparatus for use in such locations”.
What is the definition of “light-metal”?
“light-metal” means-
a) aluminium;
b) magnesium’;
c) titanium; and
d) any alloy containing more than-
i. 15 percent aluminium by mass of the alloy;
ii. 15 percent aluminium, magnesium and/or titanium, taken together by mass of the alloy; or
iii. 6 percent magnesium and/or titanium, taken together or separately, by mass of the alloy.
