GreatNorthCollective/greatnorth-canada-federal-laws-text huggingface dataset:
Coal Mining Occupational Health and Safety Regulations — 103
103 (1) At least once every 24 hours, a qualified diesel mechanic shall (a) inspect every diesel engine in service underground; and (b) supervise the replacement of each diesel engine exhaust-flame trap with a clean trap. (2) The qualified diesel mechanic referred to in subsection (1) shall make a written report of the results of each inspection and supervision made by the mechanic in a book kept for that purpose.
Coal Mining Occupational Health and Safety Regulations — 104
104 (1) At least once every seven days, a qualified person shall (a) inspect every diesel engine; (b) test the effectiveness of the brakes of every diesel locomotive; and (c) replace the inlet-flame trap with a clean inlet-flame trap on each diesel engine. (2) The qualified person referred to in subsection (1) shall make a written report of the results of each inspection and test made by the person in a book kept for that purpose.
Coal Mining Occupational Health and Safety Regulations — 105
105 No diesel engine shall be used underground unless all defects identified in an inspection, supervision or test referred to in section 103 or 104 are corrected.
Coal Mining Occupational Health and Safety Regulations — 106
106 (1) Where battery locomotives are used underground, the mine manager shall prepare in writing and implement safe procedures for the installation, operation and maintenance of battery locomotives. (2) The employer shall keep a copy of the procedures referred to in subsection (1) readily available for examination by employees at the coal mine in which the locomotives are used.
Coal Mining Occupational Health and Safety Regulations — 107
107 Every battery locomotive shall be equipped with a methanometer that gives a visual warning to the operator of the locomotive when the concentration of methane gas reaches 1 per cent.
Coal Mining Occupational Health and Safety Regulations — 108
108 (1) Every charging station underground shall be (a) equipped with an automatic fire suppression system; and (b) vented directly into the return airway. (2) The employer shall, at least 90 days before the construction of a charging station begins, submit to the Coal Mining Safety Commission for approval (a) a plan of the coal mine showing the location of the charging station; (b) a ventilation plan showing air-flow directions and quantities in respect of the charging station; (c) detailed specifications for the charging equipment; and (d) a general arrangement drawing of the charging station showing the location of the charging equipment and other electrical equipment.
Coal Mining Occupational Health and Safety Regulations — 109
109 Where reasonably practicable, main intake and return airways shall be separated by not less than 30 m of natural strata.
Coal Mining Occupational Health and Safety Regulations — 110
110 (1) All underground portions of a coal mine shall be ventilated in such a manner that (a) dangerous concentrations of flammable or noxious gases are prevented; (b) the concentration of respirable dust in the air does not exceed the levels referred to in section 111; (c) as far as is practicable, air is not recirculated; (d) the oxygen in the general body of the air exceeds 19 per cent; and (e) the quantity of air circulating dilutes the concentration of carbon dioxide to less than 1.25 per cent. (2) Where the concentration of flammable gas in the general body of the air in the intake airway to a working face, measured at a location not more than 100 m from that face, exceeds 0.5 per cent, the employer shall (a) report that fact to a safety officer at the district office; and (b) stop all activities in the section until the concentration is reduced to less than 0.5 per cent.
Coal Mining Occupational Health and Safety Regulations — 111
111 (1) For the purposes of this section and section 112, the concentration of respirable dust in the air shall be measured from respirable dust samples taken by a MRDE Cassella 113A respirable dust sampling instrument or an instrument that has been calibrated to duplicate the results of the MRDE Cassella 113A. (2) The concentration of respirable dust in the air underground shall not exceed the following levels: (a) in a longwall section, (i) 3 mg/m 3 , measured at any location 70 m from the longwall face in the intake airway, and (ii) 6 mg/m 3 , measured at any location 70 m from the longwall face in the return airway; and (b) in a development roadway, (i) 5 mg/m 3 , where the coal extracted is greater than 70 per cent of the total material extracted, measured at any location at the face of the roadway, and (ii) 3 mg/m 3 , where the non-coal material extracted is greater than 30 per cent of the total material extracted, measured at any location at the face of the roadway.
Coal Mining Occupational Health and Safety Regulations — 112
112 (1) A qualified person shall measure and record the concentration of respirable dust in the air at the locations referred to in subsection 111(2) at least once every month. (2) The employer shall, once every month, send a copy of the records referred to in subsection (1) to a safety officer at the district office.
Coal Mining Occupational Health and Safety Regulations — 113
113 (1) At least 30 days before the introduction or alteration of a ventilation system underground, the employer shall submit a plan of the proposed ventilation system to the Coal Mining Safety Commission for approval. (2) The plan referred to in subsection (1) shall indicate (a) the location of all fans and their capacities; (b) the location of all regulators, airways, stoppings, doors and ducts; (c) the direction of air circulation; (d) the minimum quantity of air that it is proposed to circulate through each section shown in the plan; and (e) the location and type of stone-dust and water barriers. (3) Subsection (1) does not apply in respect of adjustments in a ventilation system that are necessary to regulate and compensate for the normal day-to-day variations in ventilation conditions underground.
Coal Mining Occupational Health and Safety Regulations — 114
114 (1) Every main fan shall be (a) equipped with devices that are capable of reversing the airflow controlled by the main fan; (b) located above ground in a fan house constructed of non-flammable materials; and (c) offset from all shafts or connections to the underground portions of the coal mine. (2) Every fan house referred to in paragraph (1)(b) shall be provided with a pressure release door or other device that is easily opened by the force of an explosion. (3) No combustible material shall be stored in a fan house referred to in paragraph (1)(b).
Coal Mining Occupational Health and Safety Regulations — 115
115 (1) No booster fan shall be installed unless a ventilation survey is carried out to demonstrate the necessity for the booster fan, the expected performance range while in operation, the location of the booster fan and its effect on the remainder of the ventilation network. (2) Ninety days before the installation of a booster fan, the employer shall submit to the Coal Mining Safety Commission for approval a copy of the survey referred to in subsection (1) and a plan for the operation and maintenance of the booster fan. (3) Every booster fan shall be located in such a manner that, if it stops, it will not restrict the free passage of air delivered by the main fan. (4) The booster fan system shall be designed so that routine inspection and maintenance may be carried out without stopping the booster fan or interfering with the provision of ventilation by the booster fan. (5) The power to a booster fan shall be automatically cut off if the percentage of flammable gases in the intake air passing through the fan drive room exceeds 0.5 per cent. (6) Every booster fan shall have an automatic fire suppression system to suppress fires that may occur in the fan drive room or within 15 m on either side of the booster fan. (7) The employer shall provide a means to control recirculation of air through the booster fan.
Coal Mining Occupational Health and Safety Regulations — 116
116 (1) Where a main fan, booster fan or auxiliary fan stops for any reason, every person who is in an area that is affected by the stoppage shall be evacuated to a place that is ventilated in accordance with subsection 110(1). (2) A qualified person shall, before any other person enters an area that has been evacuated pursuant to subsection (1), inspect the area to determine whether it is ventilated in accordance with subsection 110(1). (3) Where a main fan or booster fan stops for any reason for more than 30 minutes, the mine manager shall, without delay, submit a written report of the circumstances under which it stopped to a safety officer at the district office. (4) Where an auxiliary fan stops, no person shall restart the auxiliary fan unless a qualified person has (a) inspected the area underground that is serviced by the auxiliary fan and has tested for flammable gases; and (b) informed the person that it is safe to restart the auxiliary fan. (5) The mine manager shall prepare procedures to be followed in the event of the stoppage of an auxiliary fan and shall post a copy of those procedures in a conspicuous place at the surface of the coal mine.
Coal Mining Occupational Health and Safety Regulations — 117
117 All main fans and booster fans and associated equipment shall be inspected by a qualified person at intervals of not more than 30 minutes.
Coal Mining Occupational Health and Safety Regulations — 118
118 (1) Every qualified person who inspects a main fan, a booster fan or any associated equipment shall be authorized to do so and shall hold a certificate as a mine mechanic or a mine electrician. (2) Every qualified person who inspects a main fan, a booster fan or any associated equipment shall record the results of the inspection in a book kept for that purpose.
Coal Mining Occupational Health and Safety Regulations — 119
119 (1) For every portion of a coal mine, the mine manager shall prepare and keep up to date written procedures for ventilation surveys. (2) The procedures referred to in subsection (1) shall (a) include a requirement for a volumetric ventilation survey to be made in every underground portion of the coal mine at least once every month; and (b) be certified by an engineer. (3) The mine manager shall submit a written report of each ventilation survey made in accordance with the procedures referred to in subsection (1) to a safety officer at the district office within 15 days after the end of the month in which the ventilation survey is made.
Coal Mining Occupational Health and Safety Regulations — 120
120 Where the quality or quantity of air underground is not in accordance with subsection 110(1), the mine manager shall, without delay, take measures to correct the deficiency.
Coal Mining Occupational Health and Safety Regulations — 121
121 (1) Immediately before the beginning of every shift and at least once every day, the barometric pressure and temperature out of doors above ground at a coal mine shall be measured and recorded by a qualified person or by mechanical means. (2) The mine manager shall, within 24 hours after the making of a record referred to in subsection (1), countersign the record or a copy thereof.
Coal Mining Occupational Health and Safety Regulations — 122
122 (1) Immediately after the taking of a measurement referred to in subsection 121(1), a notice shall be posted in a conspicuous place in the lamp house setting out the barometric pressure and the trend of the barometric pressure at the time of the posting of the notice. (2) The notice referred to in subsection (1) shall be kept posted until it is replaced by a notice of a subsequent measurement.
Coal Mining Occupational Health and Safety Regulations — 123
123 (1) A qualified person who holds a certificate as a mine examiner and carries a locked-flame safety lamp shall (a) inspect at least once every seven days all shafts, other than shafts that are used solely for ventilation, and all accessible stoppings underground; (b) inspect at least once every seven days the bottom and top of each shaft that is used solely for ventilation; and (c) make a written report of each inspection referred to in paragraphs (a) and (b) to the underground manager. (2) The report referred to in paragraph (1)(c) shall set out (a) the date and time of the inspection; (b) a statement as to the condition of the airways and accessible stoppings; and (c) the qualified person’s safety observations respecting the roof support, ventilation, stone dust and accumulations of water and concentrations of flammable or noxious gases in the airways and accessible stoppings.
Coal Mining Occupational Health and Safety Regulations — 124
124 A qualified person shall, at least once every seven days and whenever any alteration is made in the ventilation system serving a roadway on which a diesel engine is operated (a) measure the quantity of air passing over the roadway; (b) measure the concentration of flammable gas in the air in the roadway, using a methanometer; (c) measure the concentration of flammable gas in the air at the ends of the roadway and at a point 10 m from the downwind end of the diesel engine, using a methanometer; (d) measure the concentration of carbon monoxide in the air at a point 10 m from the downwind end of the diesel engine, using a carbon monoxide detector; and (e) record the measurements referred to in paragraphs (a) to (d) in a book kept for that purpose.
Coal Mining Occupational Health and Safety Regulations — 125
125 (1) A sample of the undiluted exhaust gas from every diesel engine that is operated underground shall be taken and analysed at least once every month. (2) Where a sample referred to in subsection (1) contains more than 2,000 ppm of carbon monoxide, the diesel engine shall be removed from service underground. (3) The employer shall record the result of each analysis referred to in subsection (1) in a book kept for that purpose.
Coal Mining Occupational Health and Safety Regulations — 126
126 (1) The mine manager shall designate the location and frequency of tests underground for flammable gas in such a manner that dangerous concentrations of gas are detected in time for (a) corrective measures to be taken; and (b) where necessary, employees to be evacuated safely and expeditiously. (2) Where an employee is required under these Regulations to test for flammable gas, the employer shall provide the employee with a methanometer that is capable of testing for flammable gas in layers, cracks, crevices and other locations that are normally beyond arm’s reach. (3) Every employee who tests for flammable gas shall make a record of each test in a book kept for that purpose.
Coal Mining Occupational Health and Safety Regulations — 127
127 (1) Where six consecutive measurements, taken in accordance with the procedures for ventilation surveys referred to in subsection 119(1) at a location underground where electrical machinery or electrical equipment is used, show a concentration of flammable gas that exceeds 0.5 per cent, a methanometer shall be installed at the location. (2) Where an electrical machine or electrical equipment is operated at a longwall face, a methanometer shall be installed at each end of the face and one of those methanometers shall be installed as near to the return brushing face as is practicable.
Coal Mining Occupational Health and Safety Regulations — 128
128 Where the concentration of flammable gas exceeds 0.8 per cent in a location underground where electrical equipment or a diesel engine is operated or where a source of ignition is present, a test for gas shall be made in that location, using a methanometer, at least once every eight hours for as long as the concentration of flammable gas exceeds 0.8 per cent.
Coal Mining Occupational Health and Safety Regulations — 129
129 Where the concentration of flammable gas at the return end of a longwall face may exceed 1.25 per cent, the employer shall provide, at appropriate locations, a methanometer that automatically displays a visual indication of the concentration and sounds an audible alarm to warn employees working at or near the longwall face when the concentration exceeds 1.25 per cent.
Coal Mining Occupational Health and Safety Regulations — 130
130 Where the concentration of flammable gas in the air in an underground portion of a coal mine exceeds 1.25 per cent, the following procedures shall be followed: (a) during the period in which the concentration exceeds 1.25 per cent, the operation of all diesel engines and of all electrical equipment that is not intrinsically safe, other than electric safety lamps, shall be stopped in that portion of the coal mine; and (b) the employer shall, within seven days, make a written report of that concentration of flammable gas to a safety officer at the district office.
Coal Mining Occupational Health and Safety Regulations — 131
131 (1) Where the concentration of flammable gas in the air in an area underground exceeds 2 per cent, all persons shall forthwith be evacuated from the area to a place that is ventilated in accordance with subsection 110(1). (2) Where an area has been evacuated in accordance with subsection (1), (a) a warning sign bearing the words “DO NOT ENTER” and “ ENTRÉE INTERDITE ” shall be posted in a conspicuous place at the entrance to the area; and (b) no person, other than an authorized person, shall enter the evacuated area unless the authorized person has informed the person that it is safe to enter.
Coal Mining Occupational Health and Safety Regulations — 132
132 (1) Methanometers at the intake and return ends of a longwall face shall be designed to continually (a) measure the concentration of flammable gas in the air; (b) display the concentration of flammable gas; and (c) record the concentration of flammable gas. (2) The record referred to in paragraph (1)(c) shall be displayed (a) where the concentration is recorded remotely, for a period of at least 24 hours after it is made; and (b) in any other case, for a period of at least two hours after it is made. (3) Where remote monitoring of flammable gas is carried out, there shall be a qualified person at the remote monitoring station at all times. (4) The mine manager shall establish and keep at the remote monitoring station procedures to be followed by a qualified person referred to in subsection (3) whenever an audible alarm is sounded.
Coal Mining Occupational Health and Safety Regulations — 133
133 (1) Every area underground shall be kept free from accumulations of coal dust. (2) Dry areas underground in which coal dust is produced shall be systematically wetted down with water. (3) To reduce coal dust underground, (a) where dry coal is cut by a coal-cutting machine, a jet of water shall be directed over the picks of the machine; and (b) mined coal shall be kept wet during handling.
Coal Mining Occupational Health and Safety Regulations — 134
134 (1) Every roadway underground shall be treated with incombustible dust in such a way that the dust on the floor, roof and sides of the roadway contains (a) where the concentration of flammable gas in the air in the roadway does not exceed 1 per cent, not less than 75 per cent by weight of incombustible dust; and (b) where the concentration of flammable gas in the air in the roadway exceeds 1 per cent, not less than 80 per cent by weight of incombustible dust. (2) Subject to subsection (3), the incombustible dust referred to in subsection (1) shall contain not less than 70 per cent by weight of fine material that is capable, when dry, of passing through a sieve of 200 mesh. (3) Where a larger percentage of incombustible dust than the percentage referred to in subsection (1) is used, the percentage of fine material referred to in subsection (2) may be reduced in proportion to the increase in the amount of incombustible dust, but in no case shall it be less than 25 per cent.
Coal Mining Occupational Health and Safety Regulations — 135
135 (1) At least once every month, samples of dust shall be taken from the floor, roof and sides along the length of each roadway underground and shall be analysed to determine the percentage of combustible material therein. (2) The employer shall, in respect of the analysis referred to in subsection (1), (a) keep a record of the analysis; and (b) submit a written report of the results of the analysis to a safety officer at the district office before the 15th day of the month following the analysis.
Coal Mining Occupational Health and Safety Regulations — 136
136 Not less than 20 bags of incombustible dust, each weighing not less than 25 kg, shall be stored for emergency use within 150 m of each working face in the intake airway and within 40 m of each working face in the return airway.
Coal Mining Occupational Health and Safety Regulations — 137
137 (1) In each intake airway leading to a working face, a stone-dust barrier or a water barrier shall be placed within 300 m of the working face. (2) A stone-dust barrier referred to in subsection (1) shall hold not less than 100 kg of stone dust per square metre of area of the roadway that it serves. (3) A water barrier referred to in subsection (1) shall contain not less than 200 L of water per square metre of area of the roadway that it serves.
Coal Mining Occupational Health and Safety Regulations — 138
138 All electrical equipment that is used underground shall be intrinsically safe or shall be flameproof.
Coal Mining Occupational Health and Safety Regulations — 139
139 (1) Where an employee uses a locked-flame safety lamp, the employee shall inspect the lamp to determine that it is securely locked and is safe for use underground (a) before the employee takes the lamp underground; and (b) at regular intervals during the employee’s shift underground. (2) An employee who holds a certificate as a mine examiner shall inspect every locked-flame safety lamp before it is taken underground to determine that it is securely locked and is safe for use underground.
Coal Mining Occupational Health and Safety Regulations — 140
140 Where a locked-flame safety lamp is damaged underground, the flame shall be extinguished and the lamp shall not be relit underground.
Coal Mining Occupational Health and Safety Regulations — 141
141 (1) No welding, soldering, brazing or other open-flame or heating work shall be carried out underground or at a location above ground that is within 30 m of a shaft or airway unless (a) the employer has given not less than 24 hours notice of the work to a safety officer at the district office; (b) the air in the area where the work is carried out is tested before and during the work and the concentration of flammable gas in the air is found to be not more than 0.25 per cent; (c) the area that is within 8 m of the location where the work is carried out is cleared of all combustible substances and materials that are not necessary for the operation of the coal mine and is thoroughly wetted down; (d) guards are installed to prevent sparks from escaping from the area where the work is carried out; (e) two portable fire extinguishers that have a rating of 10A:60B:C and that meet the standards set out in National Standard of Canada standard CAN4-S508-M83, Rating and Fire Testing of Fire Extinguishers , dated June 1983, are readily available at the location where the work is carried out; and (f) the work is under the constant supervision of a qualified person. (2) Where welding, soldering, brazing or other open-flame or heating work is carried out underground, an employee who holds a certificate as a mine examiner shall remain in attendance at the location where the work was carried out for a period of 24 hours after the work ceases. (3) All conveyor belts underground shall be so constructed that they are fire-retardant and anti-static. (4) Where practicable, lubricants and hydraulic fluids that are used in machinery underground shall be fire-retardant.