jswizzle3737/ontario_laws_and_regs huggingface dataset:
139. (1) Drilling or undercutting and charging operations at a mine shall not be carried on simultaneously, (a)  on the same face above or below each other; or (b)  within eight metres horizontal distance of each other.  R.R.O. 1990, Reg. 854, s. 139 (1). (2) In charging holes for blasting, no iron or steel tool or rod shall be used.  R.R.O. 1990, Reg. 854, s. 139 (2). (3) No iron or steel tool shall be used in a hole that contains an explosive unless the methods and procedures described in subsection 136 (7) are followed.  O. Reg. 171/92, s. 2. (4) Drill holes charged with explosives shall, (a)  have a properly prepared detonating agent placed in the charge; (b)  be fired in their proper sequence; (c)  when loaded in one loading operation, be blasted in one blasting operation, except where a procedure for doing otherwise has been prepared and adopted by the supervisor in charge of the mine; and (d)  when primed, not be left unfired, but shall be fired at the time for blasting required by the supervisor in charge of the mine.  R.R.O. 1990, Reg. 854, s. 139 (4). (5) Except when blasting electrically or when only one charge is to be fired, there shall be at least two workers present at a blasting operation.  R.R.O. 1990, Reg. 854, s. 139 (5). (6) Except when the blasting operation is conducted on surface in daylight or under artificial light, every worker engaged in a blasting operation shall carry a light.  R.R.O. 1990, Reg. 854, s. 139 (6). (7) Where detonating cord is used, (a)  loading shall be completed in all holes; and (b)  all equipment not required for the loading operation shall be removed from the blast site before, (i)  cords are interconnected between holes or attached to trunk line circuits, and (ii)  delay devices or initiating detonators are attached to trunk line circuits.  R.R.O. 1990, Reg. 854, s. 139 (7).
140. Where holes are loaded pneumatically with explosives, (a)  only semi-conductive hoses manufactured for such purpose shall be used; (b)  pneumatic loading equipment shall not be grounded directly to pipes, rails or other similar continuous conductors; and (c)  where electrical blasting caps are used, (i)  no plastic or other non-conducting liners shall be used, and (ii)  the cap shall not be placed in the hole until the pneumatic loading of the hole has been completed, except where a procedure for doing otherwise has been prepared and adopted by the supervisor in charge of the mine.  R.R.O. 1990, Reg. 854, s. 140.
141. (1) Before blasting, (a)  a worker shall be stationed at each entrance or approach and instructed to prevent inadvertent access to every place where, (i)  the blasting is to take place, (ii)  the safety of persons may be endangered by the blasting, or (iii)  a diamond drill hole intersection may connect with the blast; (b)  the worker doing the blasting shall, (i)  give or cause to be given due warning in every direction by shouting “FIRE”, or give warning of a primary blast by siren where the extent of the operation makes shouting ineffective, (ii)  satisfy himself or herself that all persons have left the workplace or the vicinity except those required to assist him or her in blasting and guarding, and (iii)  take necessary precautions to ensure that all areas of the mine to be affected by the blasting operation are vacated.  R.R.O. 1990, Reg. 854, s. 141 (1). (2) In surface mines, (a)  the warning of a primary blast by siren shall be given, (i)  at least five minutes prior to the blast, and (ii)  again at one minute prior to the blast; (b)  where it is necessary to stop traffic on a public road, (i)  signs shall be posted to warn traffic of the impending blast, and (ii)  guards equipped with suitable red flags shall be posted to stop traffic prior to the blast; (c)  an all-clear signal shall be sounded after all danger from the blast has passed; and (d)  where a worker is required near the blast area, blasting shelters shall be provided.  R.R.O. 1990, Reg. 854, s. 141 (2). (3) If there is a disagreement as to the time of setting off blasts in contiguous or adjacent claims or mines, the owners or employers shall jointly determine times at which blasting operations may be performed.  O. Reg. 272/97, s. 26.
141.1 (1) In a blasting operation, the worker who makes the final connections necessary to allow the blast to be fired is the only person who is permitted to fire the blast.  O. Reg. 31/04, s. 9. (2) Despite subsection (1), if it is not possible for the same worker to perform both functions in a particular blasting operation, (a)  the employer, in consultation with the joint health and safety committee, or the health and safety representative, if any, shall establish safe procedures for performing the blasting operation; (b)  the employer shall ensure that the safe procedures are set out in writing and that the workers involved in the blasting operation are informed about the safe procedures before performing any tasks in connection with the blasting operation; and (c)  every worker involved in the blasting operation shall follow the safe procedures.  O. Reg. 31/04, s. 9.
142. (1) A competent person shall be appointed to design each primary blast at a surface mine.  O. Reg. 571/92, s. 13. (2) The design of a primary blast shall include, (a)  the number of holes to be blasted; (b)  the burden, spacing and depth of each hole; (c)  the type and weight of explosives; (d)  the length of stemming and firing delay detonator used for each hole; (e)  the firing sequencing of the holes; (f)  the weight of explosives used per estimated tonne broken; and (g)  the guarding procedures necessary to protect the safety of workers.  O. Reg. 571/92, s. 13; O. Reg. 60/94, s. 5. (3) A competent person shall ensure that each blast is carried out according to the design.  O. Reg. 571/92, s. 13. (4) The person in charge of a blast shall keep a record of the design data for the blast and shall sign it.  O. Reg. 571/92, s. 13.
143. (1) The person in charge of a primary blast at a surface mine shall keep a record setting out, (a)  the date, time and location of the blast; (b)  the wind direction and velocity at the time of the blast; and (c)  the atmospheric conditions at the time of the blast.  O. Reg. 571/92, s. 13. (2) The person shall sign the record.  O. Reg. 571/92, s. 13.
144. A vehicle shall not be driven, parked or located over or under loaded holes except where a procedure for doing so has been prepared and adopted by the supervisor in charge of the mine.  R.R.O. 1990, Reg. 854, s. 144.
145. Before a connection is made between two underground working places, (a)  an examination shall be made of the workings towards which the active working is advancing, where practicable, to determine that the work can proceed in a safe manner; and (b)  when the distance between the working places is less than, (i)  twice the length of the longest drill steel used, or (ii)  a minimum of five metres from the bottom of the longest hole, all approaches to both working places shall be guarded before blasting.  R.R.O. 1990, Reg. 854, s. 145.
146. Where safety fuse is used in any blasting operation, (a)  no fuse shorter than one metre shall be used; (b)  no fuse shall be lighted at a point closer than one metre from the capped end; (c)  capped fuses shall be supplied in standard lengths; (d)  the uncapped ends of fuses of the same length shall be identified; (e)  where more than one charge is to be fired, each fuse connected to a charge shall be lighted by a suitable and reliable timing device; (f)  where igniter cord is used, no connections shall be made to fuses until all holes are loaded; and (g)  where igniter cord is used, a worker shall, immediately after the ignition of the igniter cord, leave the workplace which will be affected by the blasting operation.  R.R.O. 1990, Reg. 854, s. 146.
147. (1) A worker performing blasting operations shall not permit any person to return to a workplace affected by the operation until the applicable minimum period of time described in this section has elapsed.  O. Reg. 779/94, s. 3. (2) If safety fuses are used, the minimum period is, (a)  10 minutes after the worker performing the blasting operations hears the last shot, if a single fuse is used; or (b)  30 minutes after the worker performing the blasting operations hears the last shot, if more than one fuse is used.  O. Reg. 779/94, s. 3. (3) In the case of a misfire when at least one safety fuse is used, the minimum period is 30 minutes after a reblast.  O. Reg. 779/94, s. 3. (4) If detonators that are not safety fuses are used, the minimum period is, (a)  the time for the blasting contaminants to clear, if one detonator is used; or (b)  10 minutes after the worker performing the blasting operations hears the last shot, if more than one detonator is used.  O. Reg. 779/94, s. 3. (5) If the worker performing the blasting operations does not hear a shot when using detonators that are not safety fuses, the minimum period is 10 minutes after, (a)  the worker has disconnected the lead wires from the power source and short-circuited them and locked the blasting switch, if any, in the open position; or (b)  the worker has disconnected the initiation device from the blasting system.  O. Reg. 779/94, s. 3.
147.1 (1) No worker shall use safety fuses in an underground mine to blast hang-ups in chutes, passes, millholes or drawpoints.  O. Reg. 68/96, s. 3. (2) No worker shall insert a safety fuse into a drilled hole in an underground mine.  O. Reg. 60/94, s. 6.
148. (1) Blasting in a shaft, shaft station or other workings being driven from a shaft shall be done by means of electricity, (a)  after the first three metres of advance has been made in the shaft; and (b)  until such time as the permanent timbers and ladders have reached the level upon which blasting is being done.  R.R.O. 1990, Reg. 854, s. 148 (1). (2) Blasting in a raise, where free escape is not readily available, shall be done by means of electricity from a safe location outside the raise.  R.R.O. 1990, Reg. 854, s. 148 (2).
149. When blasting by means of electricity, (a)  where balanced circuits are required, each circuit shall be tested before firing with a suitable galvanometer or other similar suitable instrument; (b)  where electric blasting caps are used, (i)  the protective shunt shall not be removed from the leg wire until connections are made, (ii)  the leg wire shall not be shortened to less than one metre, (iii)  the firing cables leading to the face or faces shall be short-circuited while the leads from the blasting caps are being connected to each other and to the firing cables, (iv)  the short-circuit prescribed in subclause (iii) shall not be removed until all workers have left the workplaces to be affected by the blasting operation, and (v)  the short-circuit prescribed in subclause (iii) shall be located so that a premature explosion will be harmless to the worker opening the short-circuit; and (c)  before any person returns to the workplace affected by the blasting operation, (i)  the firing cables shall be removed from the battery, blasting machine or other source of electricity and shall be short-circuited, and (ii)  the blasting switch shall be locked in the open position.  R.R.O. 1990, Reg. 854, s. 149.
150. (1) Where the source of current is a portable direct current battery or blasting machine the firing cables or wires shall, (a)  not be connected to the source of current until, (i)  the workplace to be affected by the blasting operation has been cleared of persons, and (ii)  immediately prior to blasting; and (b)  be disconnected and short-circuited immediately after the blast has been fired.  R.R.O. 1990, Reg. 854, s. 150 (1). (2) A blasting machine shall, (a)  be of a type and design specifically manufactured for the purpose; (b)  be kept in good mechanical and electrical condition; (c)  be tested regularly using methods specified by the manufacturer; (d)  be tested before any blasts that may require the maximum output of the machine; (e)  be clearly marked with the capacity of the machine; and (f)  not be used in excess of its rated capacity.  R.R.O. 1990, Reg. 854, s. 150 (2). (3) A portable direct current battery shall be of a type and design specifically manufactured for the purpose. O. Reg. 265/15, s. 6.
151. Blasting cables and blasting wires shall, (a)  be distinguished from other cables and wires; (b)  be used for blasting purposes only; and (c)  not come into contact with, (i)  detonating cords, (ii)  power, lighting or communication cables, or (iii)  pipes, rails or other continuous metal grounded circuits.  R.R.O. 1990, Reg. 854, s. 151.
152. (1) When a common electrical source is used to fire blasts in more than one workplace provision shall be made for, (a)  the continued shorting of the blasting cables; (b)  a three-way switch for each individual blasting circuit which can be locked in either the shorted or closed position to provide for, (i)  shorting of the circuit, (ii)  energizing the circuit, and (iii)  testing of the circuit; (c)  identification of blasting cables and switches; and (d)  a written blasting procedure setting forth, (i)  the method of connecting the blasting wires to the electrical supply, (ii)  the evacuation of all workers from the area of the blast, and (iii)  the method of testing the system to ensure that the proper connections have been made.  R.R.O. 1990, Reg. 854, s. 152 (1). (2) The written blasting procedure shall be followed.  R.R.O. 1990, Reg. 854, s. 152 (2).
153. (1) Circuits from a source other than from a portable hand-operated device used for blasting shall be, (a)  from an isolated, ungrounded power source; and (b)  used for blasting only.  R.R.O. 1990, Reg. 854, s. 153 (1). (2) A blasting device shall, (a)  be designed for the purpose; (b)  be kept in good mechanical and electrical condition; (c)  be constructed so that it automatically opens the circuit by gravity to short-circuit the blasting conductor; (d)  have the live side enclosed within a fixed box with a door, (i)  that can be locked and unlocked only by the worker doing the blasting, and (ii)  so arranged that the door cannot be closed unless the contacts of the firing circuit are in the opened and shorted position; and (e)  where the power source exceeds 300 volts be electromagnetically operated.  R.R.O. 1990, Reg. 854, s. 153 (2).
154. (1) No electrical blasting circuit connections shall be made on or near to surface or in or near to a shaft during an electrical storm in the vicinity.  R.R.O. 1990, Reg. 854, s. 154 (1). (2) If electrical blasting operations are undertaken, an employer shall ensure that the operations are conducted so as to ensure that there is no interference from any system, device or controller capable of producing radio frequencies or radiating electromagnetic energy.  O. Reg. 272/97, s. 27. (3) An employer shall ensure that a system, device or controller that is capable of producing radio frequencies or radiating electromagnetic energy does not set off detonators.  O. Reg. 272/97, s. 27. (4) Subsections (1), (2) and (3) do not apply with respect to blasting operations that use, (a)  a combination blast initiation device and high-frequency radio signal that have been designed for that purpose; or (b)  a high-frequency impulse-initiated detonator.  O. Reg. 272/97, s. 27. PART VII   ELECTRICAL
155. (1) If electrical equipment is installed or modified, the work shall be done in accordance with good electrical practices.  O. Reg. 486/99, s. 3. (2) The electrical equipment shall be operated in accordance with good electrical practices.  O. Reg. 486/99, s. 3. (3) The quantity and trade name of any liquid insulant or coolant when in excess of one litre shall be shown on the name plate of the electrical equipment in which it is contained.  R.R.O. 1990, Reg. 854, s. 155 (3). (4) A person who is competent in the electrical trade shall be appointed to be in charge of electrical equipment.  R.R.O. 1990, Reg. 854, s. 155 (4).
156. If the employer intends to make a major electrical installation or a major alteration to existing electrical installations, the employer shall give the joint health and safety committee or the health and safety representative, if any, written notice of that fact.  O. Reg. 486/99, s. 4.
157. Revoked: O. Reg. 486/99, s. 5.
158. (1) This section applies with respect to all work done on electrical equipment or conductors, other than work that is performed on energized equipment as permitted under subsection 159 (1). O. Reg. 265/15, s. 7. (2) An employer shall establish a written locking and tagging program to protect the health and safety of workers. O. Reg. 265/15, s. 7. (3) Before doing any work to which this section applies, a worker shall verify, by testing, that the following requirements have been complied with: 1.  All hazardous sources of electrical supply to the electrical equipment or conductors are isolated. 2.  Subject to subsection (4), all energy isolating devices are properly engaged, locked and tagged in accordance with subsection (5). 3.  All hazardous stored electrical energy is discharged. O. Reg. 265/15, s. 7. (4) A locking device required under paragraph 2 of subsection (3) may be omitted where, (a)  the locking device in itself creates a hazard due to the design of the energy isolating device; or (b)  circuit breakers or fuses for voltages of less than 150 volts to ground are not equipped with a means of locking. O. Reg. 265/15, s. 7. (5) A tag required under paragraph 2 of subsection (3) shall, (a)  be secured to prevent its inadvertent removal; (b)  state the reason the energy isolating devices are locked and tagged; (c)  show the name of the person responsible for locking and tagging the energy isolating devices; (d)  show the date on which the energy isolating devices were locked and tagged; (e)  be made of nonconducting materials; and (f)  be installed so as not to become energized. O. Reg. 265/15, s. 7.
159. (1) Electrical work shall not be performed on energized equipment except where, (a)  de-energizing the equipment, (i)  would increase or introduce additional hazards, or (ii)  is not feasible due to equipment design or operational limitations; (b)  equipment and personal protective devices and clothing that are appropriate to the work are provided and used; (c)  the employer has established written measures and procedures for energized work to protect the health and safety of workers; (d)  no hazard from explosive or flammable materials exists; and (e)  all necessary precautions to work safely are taken. O. Reg. 265/15, s. 8. (2) Except as provided for in subsection (1), no object shall be brought closer than the distance specified in Column 2 of the following Table to an exposed, energized overhead electric supply line of the voltage specified in Column 1: TABLE  Column 1   Voltage of Powerline   Column 2   Minimum Distance 

  300 to 150,000 volts   3 Metres 

  150,000 to 250,000 volts   4.5 Metres 

  Over 250,000 volts   6 Metres R.R.O. 1990, Reg. 854, s. 159 (2). (3) Precautions to guard workers against injury by moving or energized parts shall be taken before maintenance, repair or adjustment work is performed on a machine that is energized.  R.R.O. 1990, Reg. 854, s. 159 (3). (4) When located less than 1.5 metres measured in a horizontal plane or 2.5 metres measured in a vertical plane from a walkway or landing, any bare part of electrical equipment energized in excess of 150 volts DC or 50 volts AC shall be guarded.  R.R.O. 1990, Reg. 854, s. 159 (4). (5) Machines that have movable or extendable booms must not be operated in close proximity to energized electrical supply lines unless, (a)  they are operated in accordance with subsection (1); or (b)  the operator of the machine has been authorized to perform such work and, (i)  there is a clearance between any part of the machine and the energized line that is more than the greater of, (A)  one-half the maximum horizontal reach of the boom, or (B)  the distance determined under subsection (2), (ii)  the lines are disconnected and grounded, (iii)  the machine is a railroad crane operating on railroad tracks and the supply line is energized to less than 750 volts direct current, or (iv)  the supply lines are guarded against contact by any part of the machine or its load.  O. Reg. 60/94, s. 7. (6) Subsections (2) to (5) apply only with respect to electrical lines installed on the surface and electrical equipment used on the surface.  O. Reg. 486/99, s. 6.
160. Revoked: O. Reg. 265/15, s. 9.
161. A portable ladder which has metal or metal reinforced side rails shall not be, (a)  stored in or about electrical equipment having energized and exposed parts; or (b)  used about electrical equipment having energized exposed parts.  R.R.O. 1990, Reg. 854, s. 161.
162. Revoked:  O. Reg. 486/99, s. 7.
163. (1) The supports for electrical equipment and the compartments in which it is installed shall be of such material and arranged in such a manner as to reduce the potential for a fire to a minimum.  R.R.O. 1990, Reg. 854, s. 163 (1). (2) No flammable material shall be stored or placed in the same compartment as electrical equipment.  R.R.O. 1990, Reg. 854, s. 163 (2). (3) Lamps or heating units shall be installed and protected so as to prevent the heat generated from causing a fire.  R.R.O. 1990, Reg. 854, s. 163 (3). (4) A fire extinguishing device shall be provided in each area where electrical equipment creates a fire hazard.  R.R.O. 1990, Reg. 854, s. 163 (4). (5) The fire extinguishing device prescribed in subsection (4) shall be, (a)  of a type approved for use on electrical fires; (b)  of a size recommended for the size and type of equipment; (c)  located convenient to an exit from the area; and (d)  maintained in condition for immediate use.  R.R.O. 1990, Reg. 854, s. 163 (5).
164. (1) Electrical mobile equipment operating at more than 300 volts to ground shall be supplied by a system wherein, (a)  the neutral is grounded through a current limiting device in such a manner as to limit the possible rise of ground fault potential to a maximum of 100 volts to ground; and (b)  ground fault protection is provided.  R.R.O. 1990, Reg. 854, s. 164 (1). (2) Electrical mobile equipment operating at more than 300 volts to ground must have a fail safe circuit that prevents the supply of electricity to the equipment when the conductivity of the ground return circuit is not continuous.  O. Reg. 272/97, s. 29 (1). (3) In this section, “electrical mobile equipment” means equipment which, during its operating cycle, is required to move along the ground while energized and which receives its current through a trailing cable and includes drills which connect to an electrical power supply.  O. Reg. 272/97, s. 29 (2).
167. Revoked: O. Reg. 167/16, s. 11.
168., 169. Revoked:  O. Reg. 486/99, s. 7.
170. (1) The power supply to a motor shall not be run through the enclosure of the controller for another motor.  R.R.O. 1990, Reg. 854, s. 170 (1). (2) Revoked:  O. Reg. 296/11, s. 10.
171. Revoked:  O. Reg. 486/99, s. 7.
172. (1), (2) Revoked:  O. Reg. 486/99, s. 8. (3) Switchboards shall be made of materials that are noncombustible.  R.R.O. 1990, Reg. 854, s. 172 (3); O. Reg. 167/16, s. 1.
173. Revoked:  O. Reg. 486/99, s. 9.
174. (1) This section applies with respect to equipment that can be operated or moved by remote control using a system, device or controller that produces radio frequencies or radiates electromagnetic energy.  O. Reg. 272/97, s. 31. (2) An employer shall ensure that the system, device or controller is not capable of operating or moving equipment unless it is intended to do so.  O. Reg. 272/97, s. 31. (3) An employer shall ensure that only one system, device or controller can be used at a time to operate or move the equipment.  O. Reg. 272/97, s. 31. (4) The system, device or controller must be equipped with a device that enables the operator to stop the equipment in an emergency.  O. Reg. 272/97, s. 31. (5) The employer shall establish procedures to ensure that the operator and other workers are in a safe location when the equipment is being operated or moved.  O. Reg. 272/97, s. 31.
175. (1) Cables supplying electrical power from surface to underground shall be fed through a circuit breaker located on surface.  R.R.O. 1990, Reg. 854, s. 175 (1). (2)-(6) Revoked:  O. Reg. 486/99, s. 10.
176.-178. Revoked:  O. Reg. 486/99, s. 11.
179. The voltage of any underground lighting circuit shall not exceed 150 volts to ground except in circuits using direct current where the voltage shall not exceed 300 volts to ground.  R.R.O. 1990, Reg. 854, s. 179.
180. (1) In an underground mine with trolley lines installed underground, the owner shall ensure that the requirements of this section are met.  O. Reg. 779/94, s. 5. (2) The lines must be designed to have a nominal voltage less than 1,200 volts and operated with a nominal voltage less than 1,200 volts.  O. Reg. 779/94, s. 5. (3) The lines must have ground fault protection if they use alternating current.  O. Reg. 779/94, s. 5. (4) If the operating voltage of the lines is greater than 300 volts, there must be, (a)  lighting or reflectors sufficient to indicate the location of the lines; and (b)  warning signs installed at points of access to the lines.  O. Reg. 779/94, s. 5. (5) Trolley lines of the bare conductor type must be protected by guards made of insulating materials.  O. Reg. 779/94, s. 5. (6) The guards must extend at least 75 millimetres below the lowest point of the trolley line and must be placed not more than 150 millimetres from the nearest line.  O. Reg. 779/94, s. 5. (7) Despite subsection (5), guards are not required on trolley lines of the bare conductor type that use alternating current if the trolley lines have ground fault protection that prevents a worker from being exposed to an electrical current sufficient to cause ventricular fibrillation.  O. Reg. 779/94, s. 5. (8) Trolley lines of the bare conductor type that are installed underground after December 31, 1994 must be located, (a)  at least 2.4 metres above grade, if the operating voltage is 300 volts or less; (b)  at least 2.7 metres above grade, if the operating voltage is more than 300 volts but less than 750 volts; (c)  at least 4.0 metres above grade, if the operating voltage is 750 volts or more.  O. Reg. 779/94, s. 5. (9) Trolley lines of the busway conductor type that are installed underground after December 31, 1994 must be located at least 2.4 metres above grade.  O. Reg. 779/94, s. 5. (10) Subsections (8) and (9) do not apply with respect to trolley lines that are an extension of a trolley line system, (a)  if the system is installed before January 1, 1995; (b)  if the system has an operating voltage of 300 volts or less; and (c)  if the extension is located at least 1.8 metres above grade.  O. Reg. 779/94, s. 5. (11) The employer shall establish written procedures to require all necessary precautions to work safely around trolley lines.  O. Reg. 486/99, s. 12. PART VIII   MECHANICAL
181. (1) An explosive actuated fastening tool shall, (a)  when in storage be, (i)  accessible only to an authorized worker, and (ii)  kept in a locked container; and (b)  be of a type and design that conforms to CAN3-Z166-M85 Series “Powder Actuated Fastening Tools”.  O. Reg. 174/01, s. 4 (1); O. Reg. 34/14, s. 8. (1.1) An explosive actuated tool or explosive actuated system shall be, (a)  maintained in proper condition; and (b)  serviced in accordance with the manufacturer's recommendations.  O. Reg. 174/01, s. 4 (1). (2) The shells for use with an explosive actuated tool or explosive actuated system shall, (a)  be identified as to size and strength; (b)  be kept in containers which contain only one size and strength; (c)  not be left unattended except when in storage; and (d)  when in storage be, (i)  accessible only to an authorized worker, and (ii)  kept in a locked container.  R.R.O. 1990, Reg. 854, s. 181 (2); O. Reg. 174/01, s. 4 (2). (3) The operator of an explosive actuated tool or explosive actuated system shall, (a)  be a competent person; (b)  operate the tool or system in accordance with the manufacturer’s instructions; and (c)  ensure before use that the barrel is clean and free from any obstruction.  R.R.O. 1990, Reg. 854, s. 181 (3); O. Reg. 174/01, s. 4 (3, 4).
181.1 Revoked: O. Reg. 69/23, s. 25.
182. (1) An employer at a mine or mining plant shall, in consultation with the joint health and safety committee or health and safety representative, if any, develop and maintain a written airborne hazard management program. O. Reg. 69/23, s. 26. (2) The program shall, (a)  set out the airborne hazards and potential airborne hazards that have been identified and assessed in a risk assessment conducted under section 5.1; (b)  list any measure developed and maintained under section 5.2 to eliminate or control the airborne hazards or potential airborne hazards; (c)  set out the number of samples to be taken and the frequency and locations of testing and monitoring; (d)  include measures and procedures to, (i)  maintain control systems and all of the components of such systems, and (ii)  monitor the effectiveness and measure the performance of those controls; (e)  identify the persons responsible for implementing the program, including the persons responsible for testing, monitoring or sampling; and (f)  set out information about the training and instructions that the persons responsible for implementing the program must complete. O. Reg. 69/23, s. 26. (3) A copy of the program shall be provided to the joint health and safety committee or health and safety representative, if any, and be kept readily available at the mine or mining plant. O. Reg. 69/23, s. 26. (4) Subject to subsections (5) and (6), the program shall be reviewed at least annually. O. Reg. 69/23, s. 26. (5) The program shall be reviewed as soon as possible if there has been a change to, (a)  a mining process, work method or ventilation system that results in new airborne hazards or a change to existing airborne hazards; or (b)  the biological or chemical substances in the workplace that affect airborne hazards. O. Reg. 69/23, s. 26. (6) If a review is required under subsection (5), the next annual review required by subsection (4) shall be within one year of the date of the review under subsection (5). O. Reg. 69/23, s. 26. (7) For greater certainty, an employer’s duty to provide information and instruction to a worker under clause 25 (2) (a) of the Act includes the duty to provide the worker with information and instruction that is appropriate for the worker on the contents of the airborne hazard management program. O. Reg. 69/23, s. 26.
183. (1) All non-rail-bound diesel-powered equipment that is first used in an underground mine after June 1, 1995 must meet the requirements set out in CSA Standard M424.2:22 “Non-Rail-Bound Diesel-Powered Machines for use in Non-Gassy Underground Mines”. O. Reg. 69/23, s. 26. (2) An employer at an underground mine shall keep and maintain a record for every piece of diesel-powered equipment used in an underground mine and shall keep the records readily available. O. Reg. 69/23, s. 26. (3) The record required under subsection (2) must include, (a)  the make, model and serial number of the equipment and of any emission control devices used with the equipment; (b)  the rated power, rated RPM, maximum fuel injection rate and ventilation rate as certified in accordance with the CSA Standard referred to in subsection (1); and (c)  the capacity of the fuel tanks and hydraulic fluid tanks. O. Reg. 69/23, s. 26. (4) An employer at an underground mine shall keep and maintain the following information relating to the use and operation of diesel-powered equipment in the underground mine: 1.  The volume of air flowing in the underground haulageways and workings where the equipment is operating. 2.  The total ventilation requirements for the equipment when it is operating in a single continuous course of air. O. Reg. 69/23, s. 26. (5) The employer shall ensure that the information required under subsection (4) is, (a)  provided directly to the operators of the diesel-powered equipment or is otherwise available to them in a readily accessible format; and (b)  is readily available at the mine site. O. Reg. 69/23, s. 26. (6) No gasoline or other volatile fuel shall be used in the starting mechanism in diesel-powered equipment used in an underground mine. O. Reg. 69/23, s. 26. (7) The fuel used in diesel-powered equipment that is used in an underground mine must, (a)  have a flash point of 52℃ or higher; and (b)  meet one of the following standards: (i)  Canadian General Standards Board CAN/CGSB-3.517-2020 “Diesel Fuel”, as it may be amended from time to time. (ii)  Canadian General Standards Board CAN/CGSB-3.520-2020 “Diesel Fuel containing low levels of biodiesel (B1-B5)”, as it may be amended from time to time. (iii)  Canadian General Standards Board CAN/CGSB-3.522-2020 “Diesel Fuel containing biodiesel (B6-B20)”, as it may be amended from time to time. O. Reg. 69/23, s. 26.
183.1 (1) Where diesel-powered equipment is operating in an underground mine, the employer shall ensure a mechanical ventilation system produces a flow of air in accordance with the following rules: 1.  For equipment with a diesel engine certified in accordance with CSA Standard M424.2:22 “Diesel-Powered Machines for use in Non-Gassy Underground Mines” or previously certified in accordance with an earlier version of that Standard, the flow of air must be at least equal to the recommended ventilation rate as appears on the certificate of homologation. 2.  For equipment with a diesel engine not certified in accordance with CSA Standard M424.2:22 “Diesel-Powered Machines for use in Non-Gassy Underground Mines” or not previously certified in accordance with an earlier version of that Standard, the flow of air must be at least 0.06 cubic metres per second for each kilowatt of power of the equipment. 3.  If the equipment described in paragraph 1 or 2 has been subsequently modified with a diesel particulate filter or similar after-treatment device, but has not been certified or recertified in accordance with CSA Standard M424.2:22 “Diesel-Powered Machines for use in Non-Gassy Underground Mines” after the modification or was not previously certified in accordance with an earlier version of that Standard after the modification, the employer shall consult with the joint health and safety committee or health and safety representative, if any, and determine a suitable flow of air based on: i.  the applicable rates for the equipment prior to modification as determined under paragraphs 1 and 2, ii.  good engineering practices, and iii.  the results of testing performed on the equipment, including emission levels produced by the equipment after the installation of a diesel particulate filter or similar after-treatment device. 4.  Where more than one piece of diesel-powered equipment is operating in a single continuous course of air in an underground mine, the flow of air must be at least equal to the cumulative ventilation rates as determined under paragraphs 1 to 3. O. Reg. 69/23, s. 26. (2) A record of the suitable flow of air determined under paragraph 3 of subsection (1) together with the information, testing results and calculations used to make that determination must be kept readily available at the mine site. O. Reg. 69/23, s. 26. (3) A diesel particulate filter or after-treatment device shall be maintained in accordance with the manufacturer’s recommendations. O. Reg. 69/23, s. 26. (4) The employer shall ensure that each piece of diesel-powered equipment has the required flow of air as determined under subsection (1) posted in a location on the equipment that is visible to and readable by the operator. O. Reg. 69/23, s. 26.
183.2 Where diesel-powered equipment is operated in an underground mine, the time-weighted average exposure of a worker to elemental carbon shall not be more than 0.12 milligrams per cubic metre of air. O. Reg. 69/23, s. 26.
183.3 (1) The employer at an underground mine shall ensure that tests are carried out to determine, (a)  the volume of air flowing in underground haulageways and workings where diesel-powered equipment is operating; and (b)  the volume of air flowing in the workplace and the concentration of carbon monoxide, nitrogen dioxide, or elemental carbon in the atmosphere of the workplace. O. Reg. 69/23, s. 26. (2) The test required under clause (1) (a) shall be conducted at least weekly and the test required under clause (1) (b) shall be conducted at the request of a worker. O. Reg. 69/23, s. 26. (3) The employer at an underground mine shall ensure that, (a)  the results of tests conducted under subsection (1) are recorded and the record is maintained and is readily available at the mine site; and (b)  the results are provided to the joint health and safety committee or health and safety representative, if any, on request. O. Reg. 69/23, s. 26. (4) If a test indicates that a worker has been exposed to a hazardous substance referred to in clause (1) (b) in excess of a limit set out in section 183.2 or in section 4 of Regulation 833 (Control of Exposure to Biological or Chemical Agents) made under the Act, the employer shall, (a)  investigate the cause and take remedial action, if possible, to prevent a recurrence of the situation; (b)  notify the worker and the joint health and safety committee or the health and safety representative, if any, for the workplace; and (c)  re-evaluate emission levels and confirm that the concentrations do not exceed the applicable limits. O. Reg. 69/23, s. 26.
183.4 (1) At an underground mine, an employer shall test the undiluted exhaust discharging from diesel-powered equipment into the atmosphere to ensure that it contains, (a)  less than 600 parts per million by volume of carbon monoxide; and (b)  less than 60 parts per million by volume of nitrogen dioxide. O. Reg. 69/23, s. 26. (2) The testing in subsection (1) must be done, (a)  immediately after repairs are made to the engine or the exhaust system or both; and (b)  at routine intervals for maintenance as the manufacturer recommends or, if there is no such recommendation, at least once a month. O. Reg. 69/23, s. 26. (3) The employer shall ensure that, (a)  testing measures and procedures are developed in consultation with, and take into consideration any recommendations made by, the joint health and safety committee or health and safety representative, if any; (b)  each individual piece of equipment is tested under consistent conditions so that results from different tests can be compared; (c)  testing is carried out, as far as is practical, on equipment under full load; (d)  test results are provided to the joint health and safety committee or health and safety representative, if any, on request; and (e)  a record of the results of every test is created, maintained and kept readily available at the mine site. O. Reg. 69/23, s. 26.
184. The exhaust of an internal combustion engine which is temporarily or permanently installed within a building on surface shall be, (a)  conducted to a point outside the building; and (b)  prevented from, (i)  re-entering the building, (ii)  entering the intake of any compressor, (iii)  contaminating the atmosphere of another building, and (iv)  contaminating mine workings.  R.R.O. 1990, Reg. 854, s. 184.
184.1 A temporary attachment used to connect a lifting device to its load or to anchor it, (a)  shall be appropriate for the use; (b)  shall be designed and installed in accordance with safety factors recognized by good engineering practice; and (c)  shall be used in a manner that minimizes shock loading.  O. Reg. 571/92, s. 14.
186. (1) Subject to subsection (10), no elevator shall be put into service without an engineer giving written statement to the owner setting out, (a)  the location of the elevator; (b)  the maximum loading of number of persons and material that may be carried by the elevator when it is installed, maintained and operated in compliance with this Regulation; (c)  that the elevator is designed and manufactured in accordance with appropriate engineering standards and installed where it is to be put into service in compliance with good engineering practice. O. Reg. 272/97, s. 33 (1); O. Reg. 373/22, s. 7. (2) Subsection (1) does not apply to an elevator that is operated for testing purposes. O. Reg. 272/97, s. 33 (1). (3) The owner shall ensure that a copy of the statement is posted at the mine site in a location readily visible to workers and that a copy is given to the joint health and safety committee or the health and safety representative, if any. O. Reg. 236/99, s. 5 (1). (4) The maximum loading set out in the statement required under subsection (1) or a permit referred to in subsection (10) shall not be exceeded. O. Reg. 272/97, s. 33 (1). (5) An elevator installation shall meet the following standard: 1.  If it was installed before October 15, 1991, CSA Standard B44-1975, “Safety Code for Elevators, Dumbwaiters, Escalators and Moving Walks”. 2.  If it was installed on or after October 15, 1991 and before April 23, 1999, CSA Standard B44-M90, “Safety Code for Elevators”. 3.  If it was installed on or after April 23, 1999 and before October 1, 2007, CSA Standard B44-94, “Safety Code for Elevators”. 4.  If it was installed on or after October 1, 2007, CSA Standard B44-00, “Safety Code for Elevators”. O. Reg. 84/07, s. 13; O. Reg. 34/14, s. 10. (6) Each component that may affect the safe operation of an elevator shall be examined and tested by a competent person before an elevator is initially used and thereafter at intervals not exceeding one month. R.R.O. 1990, Reg. 854, s. 186 (6). (7) A log book shall be kept in which the date, findings and name of the competent persons performing the examinations and tests prescribed in subsection (6) shall be recorded. R.R.O. 1990, Reg. 854, s. 186 (7). (8) In addition to the standards required to be met under subsection (5), an elevator shall, (a)  have a safe means of access to the machinery room which access shall be located outside the hoistway; (b)  not have hoisting or balance ropes that are spliced; (c)  have the entry to the machinery room restricted to authorized persons; (d)  have a means by which a person stranded in an elevator can alarm persons outside the elevator when the elevator is operated on automatic control; and (e)  have its controls and machine parts protected against physical damage, moisture, dust or extreme temperatures. R.R.O. 1990, Reg. 854, s. 186 (8). (9) The machinery room of the elevator shall be kept clean and contain only those materials required for the elevator. R.R.O. 1990, Reg. 854, s. 186 (9). (10) Subsections (1) and (3) do not apply to an elevator being operated under a permit issued by the Ministry of Labour before August 16, 1997. O. Reg. 272/97, s. 33 (2).
187. A dumbwaiter, escalator or moving walk shall meet the following standard: 1.  If it was installed before April 1, 1994, CSA Standard B44-1975, “Safety Code for Elevators, Dumbwaiters, Escalators and Moving Walks”. 2.  If it was installed on or after April 1, 1994 and before April 23, 1999, CSA Standard B44-M90, “Safety Code for Elevators”. 3.  If it was installed on or after April 23, 1999 and before October 1, 2007, CSA Standard B44-94, “Safety Code for Elevators”. 4.  If it was installed on or after October 1, 2007, CSA Standard B44-00, “Safety Code for Elevators”.  O. Reg. 84/07, s. 14; O. Reg. 34/14, s. 11.
188. Revoked: O. Reg. 167/16, s. 11.
189. (1) No worker shall be raised or lowered or be permitted to be raised or lowered by any hoist, derrick, crane or similar device unless, (a)  such device is examined and tested by a competent person before being used to raise or lower the worker; (b)  a safe procedure for raising or lowering the worker is established in accordance with subsection (2) and is used; and (c)  there is a device by which the hoist operator and the worker being raised or lowered can exchange movement signals except where the worker being transported is visible at all times to the hoist operator.  R.R.O. 1990, Reg. 854, s. 189; O. Reg. 571/92, s. 15; O. Reg. 60/94, s. 9 (1). (2) The procedure must be jointly developed by the employer and the joint health and safety committee or health and safety representative, if any, for the workplace.  O. Reg. 60/94, s. 9 (2).
190. A worker using a bosun’s chair, suspended scaffold or mobile staging shall be protected by a fall arrest system as prescribed by section 14 if the worker may fall more than three metres from the chair, scaffold or staging.  R.R.O. 1990, Reg. 854, s. 190.
191. No elevator, dumbwaiter, escalator, moving walk or manlift shall be used when a component, which may affect its safe operation, is defective.  R.R.O. 1990, Reg. 854, s. 191.
192. (1) A lifting device shall be, (a)  designed to safety factors recognized by good engineering practice; (b)  installed in accordance with such design criteria; (c)  provided with overwind protection if power operated; and (d)  provided with an identification plate.  R.R.O. 1990, Reg. 854, s. 192 (1); O. Reg. 34/14, s. 12. (2) The maximum load that a lifting device may carry, based on its design criteria, shall be established by its designer.  R.R.O. 1990, Reg. 854, s. 192 (2). (3) A notice showing the maximum load established under subsection (2) shall be posted in a location visible to the operator of the device.  R.R.O. 1990, Reg. 854, s. 192 (3). (4) Except during testing, the maximum load established under subsection (2) shall not be exceeded.  R.R.O. 1990, Reg. 854, s. 192 (4). (5) Each component that may affect the safe operation of a lifting device shall be examined and tested by a competent person before initial use and thereafter at intervals not exceeding one year.  R.R.O. 1990, Reg. 854, s. 192 (5). (6) The dates, findings and names of the competent persons performing the examinations and tests prescribed in subsection (5) shall be recorded and the records shall be kept available for inspection.  R.R.O. 1990, Reg. 854, s. 192 (6). (7) Where a combination of lifting devices is used simultaneously, the work shall be supervised by a competent person.  R.R.O. 1990, Reg. 854, s. 192 (7).
193. (1) A grinder shall be assembled and adjusted in accordance with the manufacturer’s specifications.  R.R.O. 1990, Reg. 854, s. 193 (1). (2) The maximum speed at which a grinding wheel may be operated shall be indicated on the grinding wheel or in a manner by which the speed may be readily ascertained.  R.R.O. 1990, Reg. 854, s. 193 (2). (3) A grinding wheel shall be, (a)  enclosed by a protective hood except for the area at the workrest; (b)  stored where it will not be damaged by impact, extreme heat and cold; (c)  stopped when the grinder or workrest is being adjusted; and (d)  not operated in excess of the manufacturer’s recommended maximum speed.  R.R.O. 1990, Reg. 854, s. 193 (3). (4) The operator of a grinder shall wear eye protection.  R.R.O. 1990, Reg. 854, s. 193 (4). (5) The workrest of a grinder shall be mounted above the centre line of the grinding wheel not more than three millimetres from the wheel.  R.R.O. 1990, Reg. 854, s. 193 (5). (6) An air operated grinder shall have a governor to prevent its operation in excess of the rated speed of the grinding wheel.  R.R.O. 1990, Reg. 854, s. 193 (6). (7) The governor required by subsection (6) shall be inspected regularly and maintained in proper operation.  R.R.O. 1990, Reg. 854, s. 193 (7).