jswizzle3737/ontario_laws_and_regs huggingface dataset:
242. (1) A metal trench-jack or trench-brace may be used in place of a timber strut, (a) if the allowable working load of the trench-jack or trench-brace is equal to or greater than that of the timber strut; and (b) if the size of the replaced timber strut is shown on the trench-jack or trench-brace. O. Reg. 213/91, s. 242 (1). (2) The allowable working load of a metal trench-jack or trench-brace shall be determined by an engineer in accordance with good engineering practice and shall be legibly cast or stamped on the trench-jack or trench-brace. O. Reg. 213/91, s. 242 (2); O. Reg. 375/22, s. 5. (3) No metal trench-jack or trench-brace shall be extended beyond the length used to establish its maximum allowable working load. O. Reg. 213/91, s. 242 (3). (4) Every metal trench-jack or trench-brace, when it is used, (a) shall be placed against the wales in such a way that the load from the wales is applied axially to the trench-jack or trench-brace; and (b) shall be adequately supported so that it does not move out of position. O. Reg. 213/91, s. 242 (4). PART IV   TUNNELS, SHAFTS, CAISSONS AND COFFERDAMS Application
243. This Part applies with respect to, (a) tunnels and shafts other than those located at or used in connection with a mine; and (b) caissons and cofferdams. O. Reg. 213/91, s. 243. Land Requirements
244. A tunnel or shaft shall be commenced or started only where sufficient land space is available to permit compliance with Parts IV and V. O. Reg. 213/91, s. 244. Notice
245. (1) An employer who will be constructing a tunnel, shaft, caisson or cofferdam shall file a notice with a Director before beginning work on a tunnel, shaft, caisson or cofferdam. O. Reg. 213/91, s. 245 (1); O. Reg. 145/00, s. 33 (1). (2) The notice shall, (a) describe the work; (b) provide specifications and drawings showing profiles, transverse sections and plans for the tunnel, shaft, caisson or cofferdam signed and sealed by the engineer who designed the support system for the tunnel, shaft, caisson or cofferdam; (c) provide complete details of all temporary and permanent ground support; (d) state the name, mailing address, address for service and telephone number of the constructor, of the owner and of the employer in charge of the work; (e) state the name of the supervisor in charge of the work and the supervisor’s mailing address, address for service and telephone number; (f) provide the municipal address of the work or include a description of its location relative to the nearest highway such that the Director is able to locate the work; (g) state the starting date and the anticipated duration of the work; (h) state the estimated total cost for labour and materials for the work; and (i) list all designated substances that may be used, handled or disturbed by the work. O. Reg. 213/91, s. 245 (2); O. Reg. 145/00, s. 33 (2); O. Reg. 375/22, s. 5. Working Alone and Entry
246. Work shall not be performed in a shaft, tunnel, caisson or cofferdam unless another worker is working above ground in close proximity to the shaft, tunnel, caisson or cofferdam or to the means of access to it. O. Reg. 213/91, s. 246.
247. (1) No worker shall enter a well or augered caisson where the excavation is deeper than 1.2 metres unless,  (a) a steel liner of adequate capacity is installed in the well or caisson; (b) the requirements of Ontario Regulation 632/05 (Confined Spaces) made under the Act are complied with; and (c) the worker is inside the steel liner and is wearing a fall arrest system with a full body harness secured to a fixed support. O. Reg. 213/91, s. 247 (1); O. Reg. 628/05, s. 4; O. Reg. 96/11, s. 2; O. Reg. 142/17, s. 27 (1). (2) A steel liner, (a) shall extend sixty centimetres above ground level and to a point that is 1.2 metres or closer to the point in the well or caisson where work is being done; (b) shall be supported on two sides by steel wire rope and steel beams; and (c) shall have a diameter which is not less than 100 millimetres less than the diameter of the excavation. O. Reg. 213/91, s. 247 (2); O. Reg. 142/17, s. 27 (2). Fire Protection
248. Notices describing how to sound a fire alarm shall be posted in conspicuous places on a project to which this Part applies. O. Reg. 213/91, s. 248.
249. (1) A means of extinguishing fire shall be provided, (a) at the top and bottom of every shaft; (b) if a project consists of or includes a tunnel, at each panel board for electricity, on each electric-powered locomotive and at each battery charging station; and (c) 30 metres or less from each work face of a tunnel and of each location where a fire hazard exists. O. Reg. 213/91, s. 249 (1); O. Reg. 142/17, s. 28. (2) The means of extinguishing fire shall be inspected at least once a week to ensure that it is in working order. O. Reg. 213/91, s. 249 (2).
250. (1) A fire suppression system for equipment that contains flammable hydraulic fluids shall be provided while the equipment is underground. O. Reg. 213/91, s. 250 (1). (2) A fire suppression system shall include a dry chemical fire extinguisher with an Underwriters’ Laboratories of Canada rating of at least 4A40BC. O. Reg. 345/15, s. 26.
251. (1) If the diameter of a tunnel will be equal to or greater than 1.5 metres when it is completed, a standpipe, a fire line and a hose shall be provided in the tunnel. O. Reg. 213/91, s. 251 (1). (2) A siamese connection shall be provided on the fire line at the surface of the shaft. O. Reg. 213/91, s. 251 (2).
252. (1) Every standpipe in a shaft or tunnel, (a) shall be made of metal pipe that has at least a fifty-one millimetres inside diameter; and (b) shall have a connection for the use of the local fire department outside the shaft or tunnel to which there is clear and ready access at all times. O. Reg. 213/91, s. 252 (1); O. Reg. 142/17, s. 29. (2) Every standpipe in a shaft shall be installed progressively as the shaft is excavated. O. Reg. 213/91, s. 252 (2).
253. (1) Every fire line in a tunnel, (a) shall be made of metal pipe that has at least a fifty-one millimetres inside diameter; and (b) shall have, at intervals of not more than forty-five metres along it, an outlet with a valve. O. Reg. 213/91, s. 253 (1). (2) Every fire line in a tunnel shall be installed progressively as the tunnel is excavated. O. Reg. 213/91, s. 253 (2).
254. (1) Every hose in a tunnel, (a) shall have at least a thirty millimetres inside diameter; (b) shall have a combination straight stream and fog nozzle; and (c) shall be at least twenty-three metres long. O. Reg. 213/91, s. 254 (1). (2) A hose shall be provided in a tunnel at forty-six metre intervals horizontally along it. O. Reg. 213/91, s. 254 (2). (3) Every hose shall be stored on a rack when it is not in use so as to be readily available. O. Reg. 213/91, s. 254 (3).
255. (1) No flammable liquid or gas shall be brought underground except as permitted by this section. O. Reg. 213/91, s. 255 (1). (2) A compressed gas storage cylinder to which gas welding or flame-cutting equipment is attached may be brought underground. O. Reg. 213/91, s. 255 (2). (3) Fuel may be brought underground if, (a) it is in a tank that is supplied with and that forms a part of an engine or heating device; or (b) it is in a container and is intended for transfer into a tank described in clause (a). O. Reg. 213/91, s. 255 (3). (4) The maximum amount of fuel that may be brought underground in a container referred to in clause (3) (b) is the amount required for eight hours use of the engine or heating device. O. Reg. 213/91, s. 255 (4).
256. (1) A flammable liquid or gas shall be stored, (a) as far as is practicable from a shaft; and (b) in a place from which it is impossible for spilled liquid to flow underground. O. Reg. 213/91, s. 256 (1). (2) Lubricating oil shall be stored in a suitable building or storage tank located in a place from which spilled liquid cannot run toward any shaft or tunnel. O. Reg. 213/91, s. 256 (2).
257. Oil for use in hydraulic-powered equipment underground shall be of the type that, (a) is not readily flammable; and (b) does not readily support combustion. O. Reg. 213/91, s. 257.
258. (1) No combustible equipment, including welding cable and air-hoses, shall be stored underground unless the equipment is required for immediate use. O. Reg. 213/91, s. 258 (1). (2) No electrical cable or gas hose shall be taken or used underground unless, (a) it has an armoured casing or jacket made of a material that is not readily flammable and that does not readily support combustion; and (b) it is marked to indicate that it has the casing or jacket required by clause (a). O. Reg. 213/91, s. 258 (2).
259. (1) No combustible rubbish, used or decayed timber, scrap wood or paper shall be accumulated underground. O. Reg. 213/91, s. 259 (1). (2) Material described in subsection (1) shall be promptly removed from underground. O. Reg. 213/91, s. 259 (2). Facilities for Workers
260. (1) A heated room shall be provided for the use of underground workers. O. Reg. 213/91, s. 260 (1). (2) The wet clothes of workers employed underground shall be dried using sanitary means in a change room on the project. O. Reg. 213/91, s. 260 (2). (3) A change room, (a) shall have an open floor area no smaller than the greater of, (i) ten square metres, and (ii) one square metre per worker on a shift; (b) shall be equipped with mechanical ventilation that provides no less than six air changes per hour; (c) shall have suitable drainage facilities; (d) shall be kept at a temperature of at least 27 degrees celsius; and (e) shall have, for every worker employed underground, a locker that locks. O. Reg. 213/91, s. 260 (3). (4) Every change room shall be scrubbed once every twenty-four hours. O. Reg. 213/91, s. 260 (4). (5) If workers are employed underground, a change room shall be provided with one shower and one washbasin for each group of ten or fewer workers. O. Reg. 213/91, s. 260 (5). (6) Showers and washbasins provided in a change room shall be supplied with hot and cold water, soap or hand cleaner and paper towels or individual hand towels. O. Reg. 213/91, s. 260 (6). First Aid
261. The supervisor in charge of a project shall appoint at least one competent worker to be available to give first aid at a shaft or tunnel. O. Reg. 213/91, s. 261.
262. (1) A first aid kit shall be kept in the immediate vicinity of the above-ground entrance to every shaft, tunnel, caisson or cofferdam. O. Reg. 213/91, s. 262 (1). (2) At least one first aid kit shall be kept underground in every shaft and tunnel. O. Reg. 213/91, s. 262 (2).
263. (1) At least one stretcher for each group of twenty-five or fewer workers who are underground shall be kept at every tunnel, shaft or cofferdam. O. Reg. 213/91, s. 263 (1). (2) Every stretcher shall be a wire-basket type and shall be designed and equipped to permit the safe hoisting and transport of a worker. O. Reg. 213/91, s. 263 (2). Rescue of Workers
264. (1) Before a project begins, an employer shall establish in writing emergency procedures for the rescue of underground workers. O. Reg. 213/91, s. 264 (1). (2) Copies of the rescue procedures signed by the employer and supervisor of the underground workers shall be posted in conspicuous places on the project. O. Reg. 213/91, s. 264 (2). (3) The emergency procedures shall be practised in preparation for an emergency and shall be followed in an emergency. O. Reg. 213/91, s. 264 (3).
265. (1) At least four workers at a project or, if fewer than four workers work at the project, all workers shall be trained in and readily available to perform rescues of underground workers. O. Reg. 213/91, s. 265 (1). (2) Rescue workers shall be provided with suitable equipment to perform rescues. O. Reg. 213/91, s. 265 (2). (3) Rescue workers shall be trained by a competent person appointed by a Director. O. Reg. 213/91, s. 265 (3); O. Reg. 145/00, s. 34 (1). (4) A Director who makes an appointment described in subsection (3) shall, in doing so, consider any recommendations of the representatives of labour and of management. O. Reg. 145/00, s. 34 (2). (5) Rescue workers shall be trained within thirty days before tunnelling operations begin and retrained at least every thirty days after the initial training. O. Reg. 213/91, s. 265 (5). (6) Before a project begins, the supervisor of the construction of a tunnel shall designate a rescue worker who shall inspect and test all rescue equipment every thirty days. O. Reg. 213/91, s. 265 (6).
266. (1) This section applies if, on a project, there is a tunnel and shaft whose combined length exceeds forty-five metres. O. Reg. 213/91, s. 266 (1). (2) Every rescue worker shall be provided with a self-contained breathing apparatus that meets the requirements of subsection (5) and subsection (6), (7) or (8), as is appropriate to the length of the underground work place. O. Reg. 213/91, s. 266 (2). (3) A competent person referred to in subsection 265 (3) shall train rescue workers in the proper operation of the self-contained breathing apparatus. O. Reg. 213/91, s. 266 (3). (4) The training required by subsection (3) shall be repeated at least every thirty days. O. Reg. 213/91, s. 266 (4). (5) The self-contained breathing apparatus shall have a full face mask. O. Reg. 213/91, s. 266 (5). (6) For use in an underground work place that is less than 100 metres long, the minimum rated duration of use for a self-contained breathing apparatus shall be one-half hour. O. Reg. 213/91, s. 266 (6). (7) For use in an underground work place that is 100 metres or more but less than 150 metres long, the minimum rated duration of use for a self-contained breathing apparatus shall be one hour. O. Reg. 213/91, s. 266 (7). (8) For use in an underground work place that is 150 metres or more long, the minimum rated duration of use for a self-contained breathing apparatus shall be one and one-half hours. O. Reg. 213/91, s. 266 (8). (9) All self-contained breathing apparatuses intended for rescue work on a project shall be the same model and made by the same manufacturer. O. Reg. 213/91, s. 266 (9). (10) All self-contained breathing apparatuses shall be kept in close proximity to the means of access to an underground work place and shall be readily available. O. Reg. 213/91, s. 266 (10). (11) A sufficient number, four as a minimum, of self-contained breathing apparatuses shall be available on the project to provide for all rescue work that may be required. O. Reg. 213/91, s. 266 (11). (12) A competent person shall inspect every self-contained breathing apparatus at least once a month or as often as is required by the manufacturer to ensure it is in proper condition. O. Reg. 213/91, s. 266 (12).
267. Every worker who is in, or may be required to enter, a tunnel or a shaft leading to it shall be provided with a self-rescue respirator for the worker’s exclusive use which is suitable for protection against hazardous gases. O. Reg. 631/94, s. 10.
268. (1) A worker’s self-rescue respirator shall be kept in the vicinity of the worker while he or she is in a tunnel or shaft. O. Reg. 213/91, s. 268 (1). (2) All workers on a tunnel project shall be instructed in the proper use, care, maintenance and limitations of the self-rescue respirator in accordance with the manufacturer’s specifications. O. Reg. 213/91, s. 268 (2). Communications
269. (1) Subject to subsection (2), a telephone connected to a public telephone system shall be installed at a project that is to be over fourteen days duration. O. Reg. 213/91, s. 269 (1). (2) If it is not practicable to install at a project a telephone connected to a public telephone system, a radio telephone shall be available that permits communication with an office of the constructor that has a telephone connected to a public telephone system. O. Reg. 213/91, s. 269 (2). (3) At a project of fourteen or fewer days duration, before work is begun, a public telephone or a radio telephone shall be installed or shall be arranged for nearby if, (a) the services of a police or fire department or ambulance are reasonably available; and (b) prompt direct telephone communication is possible with the police or fire department or ambulance. O. Reg. 213/91, s. 269 (3).
270. (1) A telephone system shall be provided at a tunnel if the work at the face of the tunnel is or will be done twenty-three metres or more from, (a) the top of the service shaft; or (b) the opening into the tunnel, if the tunnel is not constructed from a service shaft. O. Reg. 213/91, s. 270 (1). (2) A telephone system shall be installed before work on the tunnel is begun. O. Reg. 213/91, s. 270 (2). (3) A telephone system shall consist of telephones that are located, (a) in the office of the supervisor in charge of the project; (b) at the top and bottom of the service shaft or at the opening into the tunnel, if the tunnel is not constructed from a service shaft; (c) at all other means of access to the service shaft, if any; and (d) at intervals not exceeding thirty metres in every area of the tunnel where work is being performed. O. Reg. 213/91, s. 270 (3). (4) A notice shall be posted by each telephone, (a) indicating how to call every other telephone in the system; (b) describing the emergency signal to be used; and (c) stating that a worker who hears the emergency signal shall answer the telephone. O. Reg. 213/91, s. 270 (4). (5) A telephone system shall be installed in such a way that a conversation can be carried on between any two telephones in the system. O. Reg. 213/91, s. 270 (5). (6) The voice communication circuits used in a telephone system shall be independent from the circuits used to signal from one telephone to another. O. Reg. 213/91, s. 270 (6).
271. During the construction of a shaft, an effective means of communicating between the lowest point of the shaft and the surface shall be provided. O. Reg. 213/91, s. 271.
272. A completed service shaft more than six metres deep shall have a means, other than a telephone, of exchanging distinct and definite signals between the top and bottom of the shaft. O. Reg. 213/91, s. 272.
273. (1) If a person is about to be conveyed by a hoist in a shaft, the pit bottom worker shall notify the hoist operator before the person enters the conveyance. O. Reg. 213/91, s. 273 (1). (2) A hoist operator shall acknowledge every signal received by repeating the signal. O. Reg. 213/91, s. 273 (2). (3) A signal to a hoist operator to move a conveyance shall be given only from the landing from which the conveyance is being moved. O. Reg. 213/91, s. 273 (3). (4) A signal set out in Column 1 of the Table shall be used to communicate the meaning set out opposite to it in Column 2 between a hoist operator, the top or bottom of a shaft and all landings in the shaft: TABLE Item   Column 1   Code of signals   Column 2   Meaning 

  1.   Where the conveyance is in motion – 1 signal   STOP 

  2.   Where the conveyance is stationary – 1 signal   HOIST 

  3.   Where the conveyance is stationary – 2 signals together   LOWER 

  4.   Where the conveyance is stationary – 3 signals together (to be given before any person enters the conveyance)   Person will be on conveyance. OPERATE CAREFULLY. O. Reg. 345/15, s. 27. (5) The supervisor in charge of a project may establish signals in addition to those set out in subsection (4) if required for the operation of a hoist on the project. O. Reg. 213/91, s. 273 (5). (6) A notice setting out the signals used for a hoist shall be securely posted, (a) where it is readily visible to the hoist operator; and (b) at each landing of the hoistway. O. Reg. 213/91, s. 273 (6). (7) The notice shall be on a board or a metal plate that is not less than 450 millimetres by 450 millimetres and shall be written in letters that are at least thirteen millimetres high. O. Reg. 213/91, s. 273 (7). Lighting and Electricity Supply
274. All electrical circuits of 100 volts or more shall be in an insulated cable that consists of at least two conductors and a grounding conductor. O. Reg. 627/05, s. 8.
275. All electrical pumps and electrical tools shall be either adequately grounded or double-insulated. O. Reg. 213/91, s. 275.
276. (1) An area of a tunnel or shaft that is not adequately lit by natural light shall be electrically illuminated. O. Reg. 213/91, s. 276 (1). (2) Flashlights shall be readily available at the top and bottom of every shaft and near the work face of a tunnel. O. Reg. 213/91, s. 276 (2). (3) If electric lighting is used in a tunnel or shaft, an emergency lighting system shall be installed in the tunnel or shaft. O. Reg. 213/91, s. 276 (3). (4) An emergency lighting system, (a) shall be connected to the electrical supply so that in the event of the failure of the electrical supply, the system will automatically turn on; (b) shall be provided with a testing switch, if the system is battery-powered; and (c) shall be tested at least as frequently as is recommended by its manufacturer to ensure that the system will function in an emergency. O. Reg. 213/91, s. 276 (4).
277. Revoked:  O. Reg. 627/05, s. 9. Shafts
278. (1) Every shaft shall be large enough that its walls can be adequately shored and shall have enough clear space for work to be done. O. Reg. 213/91, s. 278 (1). (2) In a service shaft that is more than six metres deep or that serves a tunnel more than fifteen metres long, (a) the minimum inside dimension of the shaft, measured between the wales or other wall supports, shall be 2.4 metres for a cylindrical shaft and 1.5 metres for a shaft that is not cylindrical; and (b) the minimum transverse cross-sectional area of a shaft that is not cylindrical shall be 5.7 square metres. O. Reg. 213/91, s. 278 (2).
279. (1) The walls of a shaft shall be supported by shoring and bracing adequate to prevent their collapse. O. Reg. 213/91, s. 279 (1). (2) Subsection (1) does not apply to the walls of a shaft that is less than 1.2 metres deep or is cut in sound rock. O. Reg. 213/91, s. 279 (2). (3) If a shaft is to be cut in sound rock, the constructor shall obtain a written opinion from an engineer as to whether the walls of the shaft need to be supported by rock bolts or wire mesh to prevent the spalling of loose rock. O. Reg. 213/91, s. 279 (3); O. Reg. 375/22, s. 5. (4) The walls of a shaft cut in sound rock shall be supported by rock bolts or wire mesh where necessary in the opinion of the engineer. O. Reg. 213/91, s. 279 (4); O. Reg. 375/22, s. 5.
280. (1) Shoring and bracing for a shaft that is more than 1.2 metres deep shall be capable of withstanding all loads likely to be applied to them. O. Reg. 213/91, s. 280 (1). (2) The shoring and bracing, (a) shall be designed by an engineer in accordance with good engineering practice; and (b) shall be constructed in accordance with the engineer’s design. O. Reg. 213/91, s. 280 (2); O. Reg. 375/22, s. 4, 5. (3) Design drawings by an engineer for the shoring and bracing shall show the size and specifications of the shoring and bracing including the type and grade of all materials to be used in their construction. O. Reg. 213/91, s. 280 (3); O. Reg. 375/22, s. 5. (4) Revoked:  O. Reg. 443/09, s. 8. (5) The constructor shall keep a copy of design drawings for the shoring and bracing at the project while the shoring and bracing are in use. O. Reg. 213/91, s. 280 (5).
281. (1) If a square or rectangular shaft is not more than six metres deep and has walls that are not more than 3.6 metres wide, the walls, (a) shall be fully sheathed with Number 1 Grade spruce planks that are at least fifty-one millimetres thick by 152 millimetres wide and are placed side by side; and (b) shall be supported by wales and struts. O. Reg. 213/91, s. 281 (1); O. Reg. 631/94, s. 11. (2) Wales and struts, (a) shall be made of number 1 structural grade spruce planks that are, (i) at least 152 millimetres by 152 millimetres, for a shaft that is not more than 2.7 metres deep, (ii) at least 203 millimetres by 203 millimetres, for a shaft that is more than 2.7 metres but not more than 4.3 metres deep, and (iii) at least 254 millimetres by 254 millimetres, for a shaft that is more than 4.3 metres but not more than six metres deep; (b) shall be spaced not more than 1.2 metres apart vertically; and (c) shall be adequately supported by vertical posts that extend to the bottom of the shaft. O. Reg. 213/91, s. 281 (2).
282. (1) An adequate barrier that is at least 1.1 metres high shall be provided around the top of an uncovered shaft. O. Reg. 213/91, s. 282 (1). (2) A barrier around the top of an uncovered shaft that is more than 2.4 metres deep, (a) shall consist of a top rail, an intermediate rail and a toe-board; and (b) shall be made of thirty-eight by 140 millimetres lumber securely fastened to vertical supports that are spaced at intervals of not more than 2.4 metres. O. Reg. 213/91, s. 282 (2). (3) A barrier shall be kept free of splinters and protruding nails. O. Reg. 213/91, s. 282 (3). (4) A gate in a barrier around the top of an uncovered shaft shall be kept closed and latched. O. Reg. 213/91, s. 282 (4). (5) The ground adjacent to a barrier around the top of a shaft shall be sloped away from the barrier. O. Reg. 213/91, s. 282 (5).
283. A shaft shall be kept clear of ice and loose objects that may endanger a worker. O. Reg. 213/91, s. 283.
284. A shaft shall be kept reasonably free of water when a worker is required to be in the shaft. O. Reg. 213/91, s. 284.
285. Every shaft shall have a means of access and egress by stairway, ladder or ladderway for its full depth during its construction and when it is completed. O. Reg. 213/91, s. 285.
286. (1) A stairway, ladder or ladderway for a shaft that is more than six metres deep, (a) shall have landings or rest platforms spaced at intervals not greater than 4.5 metres; (b) shall be off-set at each landing or rest platform; and (c) shall be located in a sheathed compartment that is constructed in such a way that a worker who falls while on the stairway, ladder or ladderway will land on the landing or rest platform below. O. Reg. 213/91, s. 286 (1). (2) Every landing and rest platform shall be wide enough to permit at least two workers to pass on it safely. O. Reg. 213/91, s. 286 (2). (3) Every opening and ladderway shall be wide enough to permit the passage of a worker wearing rescue equipment and shall be at least 750 mm by 750 mm. O. Reg. 631/94, s. 12; O. Reg. 345/15, s. 28.
287. (1) Every conveyance located in a service shaft that is more than six metres deep shall be separated from a stairway, ladder or ladderway in the shaft by a lining described in subsection (3). O. Reg. 213/91, s. 287 (1). (2) Subsection (1) does not apply with respect to a conveyance located in a service shaft if the hoisting area is so remote from the stairway, ladder or ladderway that it is not possible for a load, bucket or device being hoisted or lowered to come into contact with the stairway, ladder or ladderway. O. Reg. 213/91, s. 287 (2). (3) A lining shall consist of solid planks at least fifty-one millimetres thick and spaced not more than ten millimetres apart. O. Reg. 213/91, s. 287 (3). Hoistways
288. (1) This section applies with respect to a hoistway that is more than six metres deep in which hoisting is carried out by mechanical power. O. Reg. 213/91, s. 288 (1). (2) Every landing on a hoistway shall have a gate located 200 millimetres or less from the hoistway that, (a) extends the full width of the hoistway from 50 millimetres or less from the floor level to a height of at least 1.8 metres; (b) is constructed without any gaps that would permit the entry of a ball no more than thirty-eight millimetres in diameter; and (c) is equipped with a light readily visible to the hoist operator indicating when the gate is closed. O. Reg. 213/91, s. 288 (2); O. Reg. 142/17, s. 30. (3) Subsection (2) does not apply to a landing at the bottom of a hoistway if the landing has one or more red lights that, (a) are located where a person approaching the hoistway from a tunnel or from the lower end of a stair or ladder can see at least one of them; and (b) are controlled by a switch readily accessible to a shaft attendant. O. Reg. 213/91, s. 288 (3). (4) A gate required by subsection (2) shall be kept closed unless a conveyance is stopped at the landing. O. Reg. 213/91, s. 288 (4). (5) The red lights referred to in subsection (3) shall be continuously flashed off and on during a hoisting operation. O. Reg. 213/91, s. 288 (5).
289. (1) All parts of a hoisting apparatus used in a hoistway or shaft shall be able to be conveniently inspected. O. Reg. 213/91, s. 289 (1). (2) Every hoist drum shall have a flange at each end to keep the hoist rope on the drum. O. Reg. 213/91, s. 289 (2).
290. (1) A hoist operator shall operate and watch over a hoist and all machinery associated with the hoist to detect any hazardous conditions. O. Reg. 213/91, s. 290 (1). (2) A hoist operator shall report immediately to the supervisor in charge of the project any defects in the hoisting machinery and safety devices. O. Reg. 213/91, s. 290 (2); O. Reg. 142/17, s. 31. (3) The hoist operator shall test all safety devices on a hoisting apparatus to ensure that they function and shall perform the tests, (a) before a conveyance is first put into service on a project; (b) at least once every three months after being put into service on the project; and (c) daily, if the hoisting apparatus is used to hoist persons. O. Reg. 213/91, s. 290 (3). (4) The hoist operator shall make a record of tests performed under subsection (3). O. Reg. 213/91, s. 290 (4). (5) The hoist operator shall keep available for inspection at the project the record of tests performed under subsection (3). O. Reg. 213/91, s. 290 (5).
291. (1) No person other than a competent worker appointed by the supervisor in charge of a project shall operate a hoist in a hoistway or shaft. O. Reg. 213/91, s. 291 (1). (2) No person, other than a worker required to do so as a part of the worker’s job, shall enter or attend the machine room of a hoist. O. Reg. 213/91, s. 291 (2).
292. A hoist operator shall inspect the hoisting machinery and safety devices connected to it at least once a day and shall make a record of the inspection in a log book. O. Reg. 213/91, s. 292; O. Reg. 142/17, s. 32.
293. (1) A hoist operator and all shaft attendants shall understand the signal code established for the hoist. O. Reg. 213/91, s. 293 (1). (2) No hoist operator shall converse with another person while the hoist is in motion or signals are being given. O. Reg. 213/91, s. 293 (2). (3) No hoist operator shall turn over the controls of a hoist to another person while a conveyance is in motion. O. Reg. 213/91, s. 293 (3). (4) No hoist operator shall operate a hoist, (a) unless it is equipped with, (i) indicators showing the position of the conveyance on the hoist, and (ii) brakes and distance markers on the hoisting ropes and cables; (b) in a compartment of a shaft in which work is being done unless the hoist is being operated for the purpose of work in the compartment. O. Reg. 213/91, s. 293 (4). (5) After a hoist has been stopped for repairs, a hoist operator shall run an empty conveyance up and down the shaft at least once and shall determine that the hoist is in good working order before carrying a load in it. O. Reg. 213/91, s. 293 (5).
294. (1) The supervisor in charge of a project, (a) shall establish the maximum speed for a conveyance transporting persons in a hoistway; and (b) shall determine the maximum number of persons and the maximum weight of material that may be carried safely on a conveyance in a hoistway. O. Reg. 213/91, s. 294 (1). (2) A notice setting out the maximums referred to in subsection (1) shall be conspicuously posted near each hoistway entrance. O. Reg. 213/91, s. 294 (2). (3) No person shall load a conveyance in a hoistway beyond the maximum limits established under clause (1) (b). O. Reg. 213/91, s. 294 (3). (4) A hoist operator shall operate a hoist in accordance with the notice posted under subsection (2). O. Reg. 213/91, s. 294 (4).
295. (1) The supervisor in charge of a project shall appoint shaft attendants for a shaft where a hoist is being used. O. Reg. 213/91, s. 295 (1). (2) No shaft attendant shall be less than nineteen years of age. O. Reg. 213/91, s. 295 (2). (3) At least one shaft attendant shall be on duty at the top of a shaft if a hoist, crane or similar hoisting device is being used or if a worker is present in the shaft or in a tunnel connected to the shaft. O. Reg. 213/91, s. 295 (3). (4) A shaft attendant, (a) shall give the hoist operator the signals for starting and stopping the hoist; (b) shall warn workers of hazards in or near the shaft; and (c) as far as is practicable, shall remove known hazards. O. Reg. 213/91, s. 295 (4).
296. (1) The supervisor in charge of a project shall, before a hoist is used on the project, establish a communication system of signals to be used between a hoist operator, shaft attendants and any other attendants working at a hoist. O. Reg. 213/91, s. 296 (1). (2) The supervisor in charge of a project shall ensure that all hoist operators, shaft attendants and other attendants working at a hoist know and understand the signals. O. Reg. 213/91, s. 296 (2).
297. (1) The supervisor in charge of a project shall appoint workers to control the movement of materials to and from a conveyance on a hoist at every landing and at the bottom of a shaft. O. Reg. 213/91, s. 297 (1). (2) A worker appointed under subsection (1) shall control and direct the movement of materials to and from a conveyance. O. Reg. 213/91, s. 297 (2).
298. No worker shall be transported in a conveyance or a hoist while it is being used to carry materials or equipment other than hand tools or similar small objects. O. Reg. 213/91, s. 298.
299. The path of travel of an object being hoisted from or lowered into a shaft by a crane shall not pass over a manway unless the manway has adequate overhead protection. O. Reg. 213/91, s. 299.
300. (1) A service shaft that will be over thirty metres deep when completed shall have a hoist with a conveyance consisting of a cage or car suitable for transporting workers. O. Reg. 213/91, s. 300 (1). (2) A hoist shall be installed in the service shaft as soon as is practicable. O. Reg. 213/91, s. 300 (2). (3) A hoist, (a) shall have a headframe that is grounded for protection against lightning and is designed by an engineer; (b) shall have guides to control the movement of the conveyance; (c) shall have a device that automatically stops the conveyance when it runs beyond the normal limit of its travel; and (d) shall have a brake on the hoisting machine that automatically stops and holds the conveyance if the hoist fails or the power to the hoist is interrupted. O. Reg. 213/91, s. 300 (3); O. Reg. 142/17, s. 33; O. Reg. 375/22, s. 5. (4) A shaft in sound rock may be excavated to a depth of not more than thirty metres before the headframe and guides are installed on the hoist. O. Reg. 213/91, s. 300 (4).
301. (1) Every conveyance on a hoist used for transporting workers in a shaft shall have a suitable device that, if the cable breaks or becomes slack, (a) automatically prevents the conveyance from falling; and (b) is capable of holding the conveyance stationary when it contains the maximum number of passengers it is permitted to carry. O. Reg. 213/91, s. 301 (1). (2) Subsection (1) does not apply with respect to a bucket or a skip operated in accordance with sections 303 and 305. O. Reg. 213/91, s. 301 (2). (3) A device shall be installed to warn the hoist operator when a conveyance transporting workers in a shaft has reached the normal limit of its travel. O. Reg. 213/91, s. 301 (3).
302. (1) A cage or car on a hoist used for transporting workers in a shaft, (a) shall be at least 1.8 metres high; (b) shall be solidly enclosed, except for openings for access and egress; (c) shall have a maximum of two openings for access and egress; (d) shall have a gate at each opening for access and egress; and (e) shall have a protective cover suitable to protect passengers from falling objects. O. Reg. 213/91, s. 302 (1). (2) A gate for access and egress, (a) shall be constructed without any gaps that would permit the entry of a ball no more than thirty-eight millimetres in diameter; (b) shall extend the full width of the opening and from 50 millimetres or less from the floor of the cage or car to a height of at least 1.8 metres; and (c) shall not open outward. O. Reg. 213/91, s. 302 (2); O. Reg. 142/17, s. 34. (3) A protective cover referred to in clause (1) (e) shall have a trap door for emergency access which measures not less than 600 millimetres by 600 millimetres. O. Reg. 213/91, s. 302 (3).
303. (1) Subject to subsection (2), a bucket or similar conveyance shall not be used to transport a worker in a shaft. O. Reg. 213/91, s. 303 (1). (2) A bucket or similar conveyance may be used to transport a worker in a shaft for the purpose of inspecting the hoistway if no other method of access to the parts of the hoistway is available. O. Reg. 213/91, s. 303 (2). (3) A bucket referred to in subsection (2), (a) shall be at least 1.2 metres deep; (b) shall have smoothly-contoured outer surfaces to prevent it from tipping or becoming snagged by an obstacle during hoisting or lowering; and (c) shall not be self-opening. O. Reg. 213/91, s. 303 (3). (4) If a pivoted bucket that is manually-dumped and is not self-guided is being used to transport a worker, the bucket, (a) shall be equipped with a lock to prevent tipping; and (b) shall be pivoted in such a way that it does not automatically invert when the lock is released. O. Reg. 213/91, s. 303 (4). (5) A bucket that is not controlled by a cross head running in vertical guides shall not be hoisted or lowered at a speed greater than 0.5 metres per second when it is transporting a worker. O. Reg. 213/91, s. 303 (5).
304. (1) A hinged door that opens upward shall be provided over the opening at the top of a shaft. O. Reg. 213/91, s. 304 (1). (2) The door shall be closed while a worker is entering or leaving a bucket over the opening at the top of the shaft. O. Reg. 213/91, s. 304 (2).
305. A skip shall not be used to transport a worker unless, (a) the worker is inspecting guiderails or shaft supports; and (b) the skip is protected by an overwind device to prevent the skip from being hoisted to the dump position. O. Reg. 213/91, s. 305. Tunnels
306. (1) A tunnel shall have enough clear space for the passage of vehicles and the movement of workers. O. Reg. 213/91, s. 306 (1). (2) The diameter of a circular or elliptical tunnel and the width and height of a square or rectangular tunnel shall be at least 760 millimetres. O. Reg. 213/91, s. 306 (2). (3) A clear space of at least 450 millimetres shall be left between the side of a tunnel and the nearer side of, (a) all trackless haulage equipment being used; and (b) all locomotives, haulage cars and machines operating on a track. O. Reg. 213/91, s. 306 (3). (4) A circular or elliptical tunnel shall have safety platforms at sixty metre intervals along it. O. Reg. 213/91, s. 306 (4). (5) A safety platform shall be long enough for a crew of workers to stand on, shall be constructed above the tunnel invert and shall be clear of passing equipment. O. Reg. 213/91, s. 306 (5).
307. (1) Except for a tunnel cut in sound rock, the sides and roof of a tunnel shall be supported by timbers set on ribs or beams or by an equivalent system of lining. O. Reg. 213/91, s. 307 (1). (2) If a tunnel is to be cut in sound rock, the constructor shall obtain a written opinion from an engineer as to whether the sides and roof of the tunnel need to be supported by rock bolts or wire mesh to prevent the spalling of loose rock. O. Reg. 213/91, s. 307 (2); O. Reg. 375/22, s. 5. (3) The sides and roof of a tunnel cut in sound rock, (a) shall be supported, where necessary in the opinion of the engineer, by rock bolts or wire mesh; (b) shall be inspected daily by a competent worker; and (c) shall have all loose pieces of rock removed. O. Reg. 213/91, s. 307 (3); O. Reg. 375/22, s. 5. (4) If the permanent lining of a tunnel will, when completed, consist of a primary lining and a secondary lining, the primary lining shall be strong enough to support the sides and roof of the tunnel until the secondary lining is installed. O. Reg. 213/91, s. 307 (4). (5) If the permanent lining of a tunnel consists only of a concrete cast-in-place lining, the tunnel shall not be excavated beyond the leading edge of the permanent lining unless adequate temporary shoring is installed as soon as is practicable. O. Reg. 213/91, s. 307 (5). (6) The primary supports of a tunnel, (a) shall be designed by an engineer in accordance with good engineering practice to withstand all loads likely to be applied to them; and (b) shall be constructed in accordance with the design. O. Reg. 213/91, s. 307 (6); O. Reg. 375/22, s. 5. (7) The constructor shall keep available for inspection at a project the design drawings for the primary supports. O. Reg. 213/91, s. 307 (7); O. Reg. 85/04, s. 23.
308. A tunnel shall be kept reasonably free of water when a worker is required to be in the tunnel. O. Reg. 213/91, s. 308. Tunnel Equipment
309. When a haulage locomotive, trackless haulage equipment or a hoist in a shaft or tunnel is left unattended, (a) its controls shall be left in the neutral position; and (b) its brakes shall be set or other measures, such as blocking, shall be taken to prevent its moving. O. Reg. 213/91, s. 309.
310. (1) A haulage locomotive shall have suitable brakes, an audible bell and controls that can be operated only by a worker at the driver’s station. O. Reg. 213/91, s. 310 (1). (2) A haulage locomotive shall be designed so that power for its driving mechanism is cut off unless the control regulating the power is continuously operated by a worker at the driver’s station. O. Reg. 213/91, s. 310 (2). (3) The driver of a haulage locomotive shall sound the bell when the locomotive is set in motion or is approaching someone. O. Reg. 213/91, s. 310 (3). (4) No person other than the driver shall ride on a haulage locomotive. O. Reg. 213/91, s. 310 (4).
311. No worker shall ride on a haulage train except in a car provided to carry passengers. O. Reg. 213/91, s. 311.
312. A haulage car shall have a device to prevent uncontrolled travel by the car. O. Reg. 213/91, s. 312.
313. (1) Track for haulage equipment shall be securely fastened to the ties on which it is laid. O. Reg. 213/91, s. 313 (1). (2) If the ties interfere with the use of the bottom of the tunnel as a walkway, a solid walkway that is at least 300 millimetres wide shall be provided. O. Reg. 213/91, s. 313 (2).
314. (1) The air inlet to an air compressor shall be located in such a position that fumes or noxious contaminants are not drawn in with the air to be compressed. O. Reg. 213/91, s. 314 (1). (2) A valve connected to a vessel used for storing compressed air, (a) shall be connected at the lowest point of the vessel to permit the discharge of the compressed air; and (b) shall be opened at least once each shift for the purpose of ejecting oil, water and other matter from the vessel. O. Reg. 213/91, s. 314 (2).
315. (1) A project shall have pumping equipment of sufficient capacity to handle the pumping requirements of the project. O. Reg. 213/91, s. 315 (1). (2) Pumping equipment shall be connected to an adequate source of energy. O. Reg. 213/91, s. 315 (2). (3) Sufficient spare pumping equipment and an alternative source of energy for it shall be readily available at the project in case of emergency. O. Reg. 213/91, s. 315 (3).
316. No internal combustion engine shall be used in a tunnel on a project without the prior written consent of a Director. O. Reg. 213/91, s. 316; O. Reg. 145/00, s. 36. Explosives
317. Before blasting begins in a shaft, tunnel, caisson or cofferdam that is located within the greater of 4.5 metres and twice the length of the longest drill rod used away from another shaft, tunnel, caisson or cofferdam, the worker in charge of the blasting operations shall determine whether work in the adjacent shaft, tunnel, caisson or cofferdam can safely continue during blasting operations. O. Reg. 213/91, s. 317.
318. (1) No vehicle or conveyance being used to transport explosives or blasting agents shall carry any other cargo or any person other than the vehicle operator. O. Reg. 213/91, s. 318 (1). (2) No detonator shall be transported in a vehicle or conveyance while it is carrying explosives or blasting agents. O. Reg. 213/91, s. 318 (2); O. Reg. 142/17, s. 35. (3) Where mechanical track haulage is used in a tunnel, explosives or blasting agents shall not be transported on the locomotive or in the same car as the detonators. O. Reg. 213/91, s. 318 (3).
319. (1) A vehicle or conveyance, including trackless equipment, that is transporting explosives or blasting agents in a tunnel by mechanical haulage, (a) shall be given an uninterrupted and a clear passage of travel; (b) shall be conspicuously marked by signs or red flags that are easily visible from the front and the rear; (c) shall not travel at a speed greater than six kilometres per hour; and (d) shall not be left unattended. O. Reg. 213/91, s. 319 (1). (2) Explosives and blasting agents referred to in subsection (1), (a) shall be in a box made of wood or be separated from every metal part of the vehicle or conveyance in which they are being transported by a lining made of wood; and (b) shall be arranged or secured so as to prevent any part of an explosive or blasting agent from being dislodged. O. Reg. 213/91, s. 319 (2).
320. If explosives or blasting agents are to be transported in a shaft, the worker in charge of blasting operations shall notify the hoist operator and shaft attendants before the explosives or blasting agents are put in the conveyance. O. Reg. 213/91, s. 320.
321. A flashlight shall be provided to every worker who is engaged in blasting operations in a tunnel or is in an area from which the means of egress passes a place where blasting is to be done. O. Reg. 213/91, s. 321.
322. Drilling or charging operations in a shaft or tunnel shall not be done simultaneously, (a) above or below one another on the same face; or (b) 7.5 metres or less, measured horizontally, from one another. O. Reg. 213/91, s. 322; O. Reg. 142/17, s. 36.
323. (1) Explosives and blasting agents shall be fired electrically. O. Reg. 213/91, s. 323 (1). (2) Despite subsection (1), tape fuse may be used to fire explosives and blasting agents if block holing is to be done. O. Reg. 213/91, s. 323 (2).
324. (1) If a portable direct current battery or a blasting machine is the source of current for blasting, the firing cables or wires, (a) shall not be connected to the source of current until immediately before the charges are fired; and (b) shall be disconnected immediately after the charges are fired. O. Reg. 213/91, s. 324 (1). (2) All firing cables or wires leading to a face shall be short-circuited while the leads from the blasting caps are being connected to one another and to the firing cables. O. Reg. 213/91, s. 324 (2). (3) No short-circuit of a firing cable or wire shall be removed until all workers have retreated from the face and are so located that, should a premature explosion occur, the workers are not endangered. O. Reg. 213/91, s. 324 (3). (4) A short-circuit shall be replaced immediately after the firing cables or wires are disconnected from the blasting machine or the blasting switch is opened. O. Reg. 213/91, s. 324 (4). (5) Separate firing cables or wires for firing charges shall be used for each work location. O. Reg. 213/91, s. 324 (5). (6) Firing cables or wires, (a) shall be located as far as is practicable from every other electrical circuit; and (b) shall not be permitted to come in contact with power, lighting or communication cables, or pipes, rails or other continuous metal grounded surfaces. O. Reg. 213/91, s. 324 (6).