S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Section 1 Disposition versions

2024-02-15

1. In this Regulation,

“ANSI” means the American National Standards Institute; (ANSI)

“air recirculation” means the reintroduction of exhaust air from a main ventilation circuit or an auxiliary circuit in the main circuit; (recirculation de l’air)

“armoured cable” means any electrical cable covered with metal wires or tapes other than lead and forming an integral part of it; (câble armé)

“ASTM” means the American Society for Testing and Materials; (ASTM)

“auxiliary circuit” means the path travelled by a volume of air that takes its source from an auxiliary fan supplying air to all the workers and motorized equipment on a site or an underground working, from the main ventilation circuit to its discharge from the auxiliary circuit; (circuit secondaire)

“auxiliary fan” means the fan that ensures air circulation in areas outside the main ventilation circuit of the mine; (ventilateur secondaire)

“auxiliary overwind” means any safety device preventing a skip or a cage-skip assembly from rising to the rock dumping position when persons are being transported; (interrupteur anti-déversement)

“blasting accessory” means any explosive device used for firing explosives; (accessoire de sautage)

“blasting agent” means any explosive obtained by mixing an oxidizing agent with a carbon-containing substance in which none of the ingredients is an explosive and which cannot be detonated by a single No. 8 detonator; (agent de sautage)

“blasting area” means any place or space that presents a projection or blast hazard to a person or where a hazard exists because of the effects of the blasting; (zone de tir)

“blasting site” means any location where explosives are present in a drill hole in preparation for blasting; (lieu de sautage)

“body of water” means an accumulation of water or a mixture of water and loose soil likely to become liquefied; (nappe d’eau)

“booster fan” means the fan that supplements the principal fan in providing air circulation in an underground mine; (ventilateur de renfort)

“braking device” means any brake or all brakes activated independently from the energy of a hoist and capable of stopping a moving drum or friction pulley on a hoist; (moyen de freinage)

“bucket” means any conveyance in the form of a barrel suspended from the hoisting rope and used for the transport of persons, rock and materials during shaft sinking work; (cuffat)

“control device” means any device used to control circuits and electrical equipment such as a switch and a circuit-breaker but not an isolation switch; (dispositif de commande)

“conveyance” means any device used to transport persons or materials in a mine shaft by means of a hoist such as a cage, a skip, a bucket or a cage-skip assembly; (transporteur)

“CSA or ACNOR” means the Canadian Standards Association; (ACNOR ou CSA)

“detector” means any system of detection by radiation detecting the presence of a person or an obstacle behind a vehicle when it is backing up; (détecteur)

“development” means work preparatory to beginning operation of an underground mine or of the extension of a deposit in such a mine; (développement)

“development work” means shaft sinking work, excavation of ramps, drifts, cross-cuts or raises, except stope mining; (travaux de développement)

“embankment” means land arranged in a slope around an open-pit mine; (talus)

“explosive” means any substance fabricated, manufactured or used to produce an explosion or a detonation, such as gunpowder, blasting powder, dynamite, an explosive in solution, aqueous gelatin, a blasting agent or a blasting accessory; (explosif)

“fire-resistance” means the fire-resistance rating within the meaning of the National Building Code of Canada 1990; (résistance au feu)

“free fall test” means any test consisting of releasing a cage, a skip or a cage-skip assembly under maximum load permitted for the transport of persons so that the safety catches can grip the guides when the cage, skip or cage-skip assembly drops at maximum hoisting speed; (essai par chute libre)

“headsheave” means the grooved wheel located between the hoist and the conveyance, bearing the shaft cable and deflecting it into the longitudinal axis of the shaft; (molette)

“hoisting apparatus” means a crane, travelling crane, gantry, winch, hoist or other equipment of the same type used for the handling of material; (appareil de levage)

“IEC” means the International Electrotechnical Commission; (CEI)

“insulated” means separated from other conducting surfaces by a dielectric having sufficient resistance to the passage of current and a disruptive discharge to eliminate any risk of a shock or leakage of current; (isolé)

“ISO” means the International Organization for Standardization; (ISO)

“locked coil wire rope” means any smooth cylindrical single strand-cable whose external wires are contoured to fit into each other; (câble clos)

“loading area” means any space that includes the place of loading, drill holes loaded or being loaded and any space occupied by the material and equipment necessary for the loading; (zone de chargement)

“main fan” means the fan supplying an underground mine with fresh air from the atmosphere; (ventilateur principal)

“main ventilation circuit” means all the underground openings used to distribute fresh air from the atmosphere and to discharge foul air to the surface; (circuit principal de ventilation)

“mechanical damage” means any damage caused by the circulation of persons or vehicles, the falling of objects or equipment or any action by any other physical agent that affects the integrity or the operation of a grounding conductor or a telephone or signal apparatus; (endommagement mécanique)

“mine” means the establishment, with or without a treatment or processing plant, in which exploration work is performed, except the drilling of an artesian well, or the extraction of soil or sub-soil for removing a mineral substance in order to obtain a commercial or industrial product.

The buildings, warehouses, garages and plants located at the surface in which work is performed related to the exploration for or the extraction of a mineral substance are part of a mine.

Plants, treatment plants, pellet plants and land structures, such as conveyors, pipelines, roads, railway lines belonging to a mining enterprise and used for its operation, that are situated outside the exploration or extraction site, are also part of a mine.

The term includes a quarry and a sand-pit but excludes a peat bog; (mine)

“mineral substance” means any solid, liquid or gaseous natural substance present in the soil or sub-soil, including a fossilized organic substance; (substance minérale)

“misfire” means any part or remainder of a hole containing explosives that have not completely detonated following a blast; (raté)

“National Building Code of Canada 1990” means the National Building Code of Canada 1990, NRCC No. 32379, published by the National Research Council of Canada, with future amendments; (Code national du bâtiment du Canada)

“new development” means preliminary work for the development of a new deposit in an active underground mine, excluding the extension of an existing deposit, or the return to operation of an underground mine that has been closed and flooded for longer than 24 months; (nouveau développement)

“NIST” means the National Institute for Standards and Technology; (NIST)

“non-combustible construction” means any construction in which fire safety is assured through the use of non-combustible materials for structural members and other components and that complies with subsection 3.1.5 of the National Building Code of Canada 1990; (construction incombustible)

“non-combustible material” means any material that complies with CAN4-S114-M80, Standard Method of Test for Determination of Non-Combustibility in Building Materials; (matériau incombustible)

“place of loading” means any place where workers load drill holes; (lieu de chargement)

“protective wall” means the strip of land located between the excavation of an open-pit mine and a body of water; (paroi de protection)

“quick release test” means any test consisting of releasing the cage, skip or cage-skip assembly from a stationary position so that the safety catches can grip the guides; (essai de dégagement rapide)

“raise” means an underground excavation inclined at more than 20º from the horizontal and driven upward digging; (montage)

“remote control” means a device consisting of a transmitter, a link and a receiver that controls the movement of equipment at a distance; a remote control is termed “wired” when the link is through cables, hosing or flexible piping, and “wireless” when the link is a hertzian, optical or ultrasonic transmission; (télécommande)

“remote control system” means any system having a remote control and the components required to control the equipment remotely; the system consists of a transmitter, a receiver and, where applicable, an interface; (système de télécommande)

“remote controlled equipment” means any equipment operated by a remote control system; (équipement télécommandé)

“reuse of air” means the reuse of exhaust air from a main ventilation circuit or an auxiliary circuit to ventilate another ventilation circuit or an underground work station; (réutilisation de l’air)

“SAE” means the Society of Automotive Engineers;

“safety factor” means the ratio between breaking load and working load; (facteur de sécurité)

“seismic excavation” means an excavation in an underground mine where there is a risk of a projection or fall or rock caused by a seismic event;

“self-contained breathing apparatus” means an apparatus whose source of breathable air is completely isolated from the atmosphere in which the user is located; (appareil de protection respiratoire autonome)

“shaft” means a passage dug below ground whose longitudinal axis is at an angle of more than 20º from the horizontal and allowing various levels of an underground mine to be reached; (puits)

“sinking crosshead” means any metal structure supported by the hoisting rope and used as a linking device between the bucket and the guides in the shaft and the headframe; (curseur de fonçage)

“surface pillar” means bedrock of variable shape, mineralized or not, located above all the upper excavations of an underground mine; (pilier de surface)

“working face” means any surface of the working where blasting work is carried out. (front de taille)

The definitions of the Canadian Electrical Code (Part One) made by Order in Council 141-87 dated 28 January 1987 and the amendments for Québec made by Minister’s Order dated 11 March 1987 and any subsequent Québec provision amending them also apply to this Regulation.

O.C. 213-93, s. 1; O.C. 1326-95, s. 1; O.C. 782-97, s. 1; O.C. 460-2000, s. 1; O.C. 465-2002, s. 1; O.C. 42-2004, s. 1; O.C. 119-2006, s. 1; O.C. 221-2009, s. 1; O.C. 1190-2010, s. 1; O.C. 445-2016, s. 1; O.C. 33-2024, s. 1.

2016-06-23

1. In this Regulation,

“ANSI” means the American National Standards Institute; (ANSI)

“air recirculation” means the reintroduction of exhaust air from a main ventilation circuit or an auxiliary circuit in the main circuit; (recirculation de l’air)

“armoured cable” means any electrical cable covered with metal wires or tapes other than lead and forming an integral part of it; (câble armé)

“ASTM” means the American Society for Testing and Materials; (ASTM)

“auxiliary circuit” means the path travelled by a volume of air that takes its source from an auxiliary fan supplying air to all the workers and motorized equipment on a site or an underground working, from the main ventilation circuit to its discharge from the auxiliary circuit; (circuit secondaire)

“auxiliary fan” means the fan that ensures air circulation in areas outside the main ventilation circuit of the mine; (ventilateur secondaire)

“auxiliary overwind” means any safety device preventing a skip or a cage-skip assembly from rising to the rock dumping position when persons are being transported; (interrupteur anti-déversement)

“blasting accessory” means any explosive device used for firing explosives; (accessoire de sautage)

“blasting agent” means any explosive obtained by mixing an oxidizing agent with a carbon-containing substance in which none of the ingredients is an explosive and which cannot be detonated by a single No. 8 detonator; (agent de sautage)

“blasting area” means any place or space that presents a projection or blast hazard to a person or where a hazard exists because of the effects of the blasting; (zone de tir)

“blasting site” means any location where explosives are present in a drill hole in preparation for blasting; (lieu de sautage)

“body of water” means an accumulation of water or a mixture of water and loose soil likely to become liquefied; (nappe d’eau)

“booster fan” means the fan that supplements the principal fan in providing air circulation in an underground mine; (ventilateur de renfort)

“braking device” means any brake or all brakes activated independently from the energy of a hoist and capable of stopping a moving drum or friction pulley on a hoist; (moyen de freinage)

“bucket” means any conveyance in the form of a barrel suspended from the hoisting rope and used for the transport of persons, rock and materials during shaft sinking work; (cuffat)

“control device” means any device used to control circuits and electrical equipment such as a switch and a circuit-breaker but not an isolation switch; (dispositif de commande)

“conveyance” means any device used to transport persons or materials in a mine shaft by means of a hoist such as a cage, a skip, a bucket or a cage-skip assembly; (transporteur)

“CSA or ACNOR” means the Canadian Standards Association; (ACNOR ou CSA)

“detector” means any system of detection by radiation detecting the presence of a person or an obstacle behind a vehicle when it is backing up; (détecteur)

“development” means work preparatory to beginning operation of an underground mine or of the extension of a deposit in such a mine; (développement)

“development work” means shaft sinking work, excavation of ramps, drifts, cross-cuts or raises, except stope mining; (travaux de développement)

“embankment” means land arranged in a slope around an open-pit mine; (talus)

“explosive” means any substance fabricated, manufactured or used to produce an explosion or a detonation, such as gunpowder, blasting powder, dynamite, an explosive in solution, aqueous gelatin, a blasting agent or a blasting accessory; (explosif)

“fire-resistance” means the fire-resistance rating within the meaning of the National Building Code of Canada 1990; (résistance au feu)

“free fall test” means any test consisting of releasing a cage, a skip or a cage-skip assembly under maximum load permitted for the transport of persons so that the safety catches can grip the guides when the cage, skip or cage-skip assembly drops at maximum hoisting speed; (essai par chute libre)

“headsheave” means the grooved wheel located between the hoist and the conveyance, bearing the shaft cable and deflecting it into the longitudinal axis of the shaft; (molette)

“hoisting apparatus” means a crane, travelling crane, gantry, winch, hoist or other equipment of the same type used for the handling of material; (appareil de levage)

“IEC” means the International Electrotechnical Commission; (CEI)

“insulated” means separated from other conducting surfaces by a dielectric having sufficient resistance to the passage of current and a disruptive discharge to eliminate any risk of a shock or leakage of current; (isolé)

“ISO” means the International Organization for Standardization; (ISO)

“locked coil wire rope” means any smooth cylindrical single strand-cable whose external wires are contoured to fit into each other; (câble clos)

“loading area” means any space that includes the place of loading, drill holes loaded or being loaded and any space occupied by the material and equipment necessary for the loading; (zone de chargement)

“main fan” means the fan supplying an underground mine with fresh air from the atmosphere; (ventilateur principal)

“main ventilation circuit” means all the underground openings used to distribute fresh air from the atmosphere and to discharge foul air to the surface; (circuit principal de ventilation)

“mechanical damage” means any damage caused by the circulation of persons or vehicles, the falling of objects or equipment or any action by any other physical agent that affects the integrity or the operation of a grounding conductor or a telephone or signal apparatus; (endommagement mécanique)

“mine” means the establishment, with or without a treatment or processing plant, in which exploration work is performed, except the drilling of an artesian well, or the extraction of soil or sub-soil for removing a mineral substance in order to obtain a commercial or industrial product.

The buildings, warehouses, garages and plants located at the surface in which work is performed related to the exploration for or the extraction of a mineral substance are part of a mine.

Plants, treatment plants, pellet plants and land structures, such as conveyors, pipelines, roads, railway lines belonging to a mining enterprise and used for its operation, that are situated outside the exploration or extraction site, are also part of a mine.

The term includes a quarry and a sand-pit but excludes a peat bog; (mine)

“mineral substance” means any solid, liquid or gaseous natural substance present in the soil or sub-soil, including a fossilized organic substance; (substance minérale)

“misfire” means any part or remainder of a hole containing explosives that have not completely detonated following a blast; (raté)

“National Building Code of Canada 1990” means the National Building Code of Canada 1990, NRCC No. 32379, published by the National Research Council of Canada, with future amendments; (Code national du bâtiment du Canada)

“new development” means preliminary work for the development of a new deposit in an active underground mine, excluding the extension of an existing deposit, or the return to operation of an underground mine that has been closed and flooded for longer than 24 months; (nouveau développement)

“NIST” means the National Institute for Standards and Technology; (NIST)

“non-combustible construction” means any construction in which fire safety is assured through the use of non-combustible materials for structural members and other components and that complies with subsection 3.1.5 of the National Building Code of Canada 1990; (construction incombustible)

“non-combustible material” means any material that complies with CAN4-S114-M80, Standard Method of Test for Determination of Non-Combustibility in Building Materials; (matériau incombustible)

“place of loading” means any place where workers load drill holes; (lieu de chargement)

“protective wall” means the strip of land located between the excavation of an open-pit mine and a body of water; (paroi de protection)

“quick release test” means any test consisting of releasing the cage, skip or cage-skip assembly from a stationary position so that the safety catches can grip the guides; (essai de dégagement rapide)

“raise” means an underground excavation inclined at more than 20º from the horizontal and driven upward digging; (montage)

“remote control” means a device consisting of a transmitter, a link and a receiver that controls the movement of equipment at a distance; a remote control is termed “wired” when the link is through cables, hosing or flexible piping, and “wireless” when the link is a hertzian, optical or ultrasonic transmission; (télécommande)

“remote control system” means any system having a remote control and the components required to control the equipment remotely; the system consists of a transmitter, a receiver and, where applicable, an interface; (système de télécommande)

“remote controlled equipment” means any equipment operated by a remote control system; (équipement télécommandé)

“reuse of air” means the reuse of exhaust air from a main ventilation circuit or an auxiliary circuit to ventilate another ventilation circuit or an underground work station; (réutilisation de l’air)

“SAE” means the Society of Automotive Engineers;

“safety factor” means the ratio between breaking load and working load; (facteur de sécurité)

“self-contained breathing apparatus” means an apparatus whose source of breathable air is completely isolated from the atmosphere in which the user is located; (appareil de protection respiratoire autonome)

“shaft” means a passage dug below ground whose longitudinal axis is at an angle of more than 20º from the horizontal and allowing various levels of an underground mine to be reached; (puits)

“sinking crosshead” means any metal structure supported by the hoisting rope and used as a linking device between the bucket and the guides in the shaft and the headframe; (curseur de fonçage)

“surface pillar” means bedrock of variable shape, mineralized or not, located above all the upper excavations of an underground mine; (pilier de surface)

“working face” means any surface of the working where blasting work is carried out. (front de taille)

The definitions of the Canadian Electrical Code (Part One) made by Order in Council 141-87 dated 28 January 1987 and the amendments for Québec made by Minister’s Order dated 11 March 1987 and any subsequent Québec provision amending them also apply to this Regulation.

O.C. 213-93, s. 1; O.C. 1326-95, s. 1; O.C. 782-97, s. 1; O.C. 460-2000, s. 1; O.C. 465-2002, s. 1; O.C. 42-2004, s. 1; O.C. 119-2006, s. 1; O.C. 221-2009, s. 1; O.C. 1190-2010, s. 1; O.C. 445-2016, s. 1.

2012-09-01

1. In this Regulation,

“ANSI” means the American National Standards Institute; (ANSI)

“air recirculation” means the reintroduction of exhaust air from a main ventilation circuit or an auxiliary circuit in the main circuit; (recirculation de l’air)

“armoured cable” means any electrical cable covered with metal wires or tapes other than lead and forming an integral part of it; (câble armé)

“ASTM” means the American Society for Testing and Materials; (ASTM)

“auxiliary circuit” means the path travelled by a volume of air that takes its source from an auxiliary fan supplying air to all the workers and motorized equipment on a site or an underground working, from the main ventilation circuit to its discharge from the auxiliary circuit; (circuit secondaire)

“auxiliary fan” means the fan that ensures air circulation in areas outside the main ventilation circuit of the mine; (ventilateur secondaire)

“auxiliary overwind” means any safety device preventing a skip or a cage-skip assembly from rising to the rock dumping position when persons are being transported; (interrupteur anti-déversement)

“blasting accessory” means any explosive device used for firing explosives; (accessoire de sautage)

“blasting agent” means any explosive obtained by mixing an oxidizing agent with a carbon-containing substance in which none of the ingredients is an explosive and which cannot be detonated by a single No. 8 detonator; (agent de sautage)

“blasting area” means any place or space that presents a projection or blast hazard to a person or where a hazard exists because of the effects of the blasting; (zone de tir)

“blasting site” means any location where explosives are present in a drill hole in preparation for blasting; (lieu de sautage)

“body of water” means an accumulation of water or a mixture of water and loose soil likely to become liquefied; (nappe d’eau)

“booster fan” means the fan that supplements the principal fan in providing air circulation in an underground mine; (ventilateur de renfort)

“braking device” means any brake or all brakes activated independently from the energy of a hoist and capable of stopping a moving drum or friction pulley on a hoist; (moyen de freinage)

“bucket” means any conveyance in the form of a barrel suspended from the hoisting rope and used for the transport of persons, rock and materials during shaft sinking work; (cuffat)

“control device” means any device used to control circuits and electrical equipment such as a switch and a circuit-breaker but not an isolation switch; (dispositif de commande)

“conveyance” means any device used to transport persons or materials in a mine shaft by means of a hoist such as a cage, a skip, a bucket or a cage-skip assembly; (transporteur)

“CSA” means the Canadian Standards Association; (ACNOR)

“detector” means any system of detection by radiation detecting the presence of a person or an obstacle behind a vehicle when it is backing up; (détecteur)

“development” means work preparatory to beginning operation of an underground mine or of the extension of a deposit in such a mine; (développement)

“development work” means shaft sinking work, excavation of ramps, drifts, cross-cuts or raises, except stope mining; (travaux de développement)

“embankment” means land arranged in a slope around an open-pit mine; (talus)

“explosive” means any substance fabricated, manufactured or used to produce an explosion or a detonation, such as gunpowder, blasting powder, dynamite, an explosive in solution, aqueous gelatin, a blasting agent or a blasting accessory; (explosif)

“fire-resistance” means the fire-resistance rating within the meaning of the National Building Code of Canada 1990; (résistance au feu)

“free fall test” means any test consisting of releasing a cage, a skip or a cage-skip assembly under maximum load permitted for the transport of persons so that the safety catches can grip the guides when the cage, skip or cage-skip assembly drops at maximum hoisting speed; (essai par chute libre)

“headsheave” means the grooved wheel located between the hoist and the conveyance, bearing the shaft cable and deflecting it into the longitudinal axis of the shaft; (molette)

“hoisting apparatus” means a crane, travelling crane, gantry, winch, hoist or other equipment of the same type used for the handling of material; (appareil de levage)

“insulated” means separated from other conducting surfaces by a dielectric having sufficient resistance to the passage of current and a disruptive discharge to eliminate any risk of a shock or leakage of current; (isolé)

“locked coil wire rope” means any smooth cylindrical single strand-cable whose external wires are contoured to fit into each other; (câble clos)

“loading area” means any space that includes the place of loading, drill holes loaded or being loaded and any space occupied by the material and equipment necessary for the loading; (zone de chargement)

“main fan” means the fan supplying an underground mine with fresh air from the atmosphere; (ventilateur principal)

“main ventilation circuit” means all the underground openings used to distribute fresh air from the atmosphere and to discharge foul air to the surface; (circuit principal de ventilation)

“mechanical damage” means any damage caused by the circulation of persons or vehicles, the falling of objects or equipment or any action by any other physical agent that affects the integrity or the operation of a grounding conductor or a telephone or signal apparatus; (endommagement mécanique)

“mine” means the establishment, with or without a treatment or processing plant, in which exploration work is performed, except the drilling of an artesian well, or the extraction of soil or sub-soil for removing a mineral substance in order to obtain a commercial or industrial product.

The buildings, warehouses, garages and plants located at the surface in which work is performed related to the exploration for or the extraction of a mineral substance are part of a mine.

Plants, treatment plants, pellet plants and land structures, such as conveyors, pipelines, roads, railway lines belonging to a mining enterprise and used for its operation, that are situated outside the exploration or extraction site, are also part of a mine.

The term includes a quarry and a sand-pit but excludes a peat bog; (mine)

“mineral substance” means any solid, liquid or gaseous natural substance present in the soil or sub-soil, including a fossilized organic substance; (substance minérale)

“misfire” means any part or remainder of a hole containing explosives that have not completely detonated following a blast; (raté).

“National Building Code of Canada 1990” means the National Building Code of Canada 1990, NRCC No. 32379, published by the National Research Council of Canada, with future amendments; (Code national du bâtiment du Canada)

“new development” means preliminary work for the development of a new deposit in an active underground mine, excluding the extension of an existing deposit, or the return to operation of an underground mine that has been closed and flooded for longer than 24 months; (nouveau développement)

“NIST” means the National Institute for Standards and Technology; (NIST)

“non-combustible construction” means any construction in which fire safety is assured through the use of non-combustible materials for structural members and other components and that complies with subsection 3.1.5 of the National Building Code of Canada 1990; (construction incombustible)

“non-combustible material” means any material that complies with CAN4-S114-M80, Standard Method of Test for Determination of Non-Combustibility in Building Materials; (matériau incombustible)

“place of loading” means any place where workers load drill holes; ((lieu de chargement)

“protective wall” means the strip of land located between the excavation of an open-pit mine and a body of water; (paroi de protection)

“quick release test” means any test consisting of releasing the cage, skip or cage-skip assembly from a stationary position so that the safety catches can grip the guides; (essai de dégagement rapide)

“raise” means an underground excavation inclined at more than 20º from the horizontal and driven upward digging; (montage)

“remote control” means a device consisting of a transmitter, a link and a receiver that controls the movement of equipment at a distance; a remote control is termed “wired” when the link is through cables, hosing or flexible piping, and “wireless” when the link is a hertzian, optical or ultrasonic transmission; (télécommande);

“remote control system” means any system having a remote control and the components required to control the equipment remotely; the system consists of a transmitter, a receiver and, where applicable, an interface; (système de télécommande)

“remote controlled equipment” means any equipment operated by a remote control system; (équipement télécommandé)

“reuse of air” means the reuse of exhaust air from a main ventilation circuit or an auxiliary circuit to ventilate another ventilation circuit or an underground work station; (réutilisation de l’air)

“SAE” means the Society of Automotive Engineers;

“safety factor” means the ratio between breaking load and working load; (facteur de sécurité)

“self-contained breathing apparatus” means an apparatus whose source of breathable air is completely isolated from the atmosphere in which the user is located; (appareil de protection respiratoire autonome)

“shaft” means a passage dug below ground whose longitudinal axis is at an angle of more than 20º from the horizontal and allowing various levels of an underground mine to be reached; (puits)

“sinking crosshead” means any metal structure supported by the hoisting rope and used as a linking device between the bucket and the guides in the shaft and the headframe; (curseur de fonçage)

“surface pillar” means bedrock of variable shape, mineralized or not, located above all the upper excavations of an underground mine; (pilier de surface)

“working face” means any surface of the working where blasting work is carried out. (front de taille)

The definitions of the Canadian Electrical Code (Part One) made by Order in Council 141-87 dated 28 January 1987 and the amendments for Québec made by Minister’s Order dated 11 March 1987 and any subsequent Québec provision amending them also apply to this Regulation.

O.C. 213-93, s. 1; O.C. 1326-95, s. 1; O.C. 782-97, s. 1; O.C. 460-2000, s. 1; O.C. 465-2002, s. 1; O.C. 42-2004, s. 1; O.C. 119-2006, s. 1; O.C. 221-2009, s. 1; O.C. 1190-2010, s. 1.