jswizzle3737/ontario_laws_and_regs huggingface dataset:
4.7.4.2. (1) Piping shall be properly supported and arranged to prevent excessive vibration or strain on equipment connected to it. (2) Piping supports shall consist of (a)  wood having no dimension less than 150 mm, (b)  steel, or (c)  concrete. (3) Where pipe is supported more than 1.2 m above the pier deck, piping supports shall have a fire‑resistance rating not less than 2 h. Guards
4.7.4.3. In areas where general cargo is handled or where piping might be subject to physical damage from vehicles, watercraft or floatplanes, the piping shall be protected by means of guarding devices. Flexible connections
4.7.4.4. Piping between the shore and piers or wharves shall be provided with swing joints or flexible connections designed in conformance with good engineering practice to permit the independent movement of the pier or wharf and shore piping without strain on the pipe. Shut-off valves
4.7.4.5. A readily accessible valve to shut off the supply from shore shall be provided in each pipeline within 7.5 m of piers and wharves. Access openings for inspection
4.7.4.6. (1) Access openings for inspection purposes below deck shall be provided for valves required in Article 4.7.4.5. and for connections to pipelines, and suitable signs shall be posted indicating their locations. (2) No freight or materials shall be placed on piers and wharves in such a manner as to obstruct the access openings required in Sentence (1). Identification
4.7.4.7. Identification tags or labels of metal or other material impervious to water and to the flammable liquids or combustible liquids being transferred shall be attached to and maintained on all pipelines and control valves to designate their use. Leakage testing
4.7.4.8. (1) Piping systems shall be tested for leakage in conformance with Subsection 4.4.6. before being put into service and before reactivation when used on a seasonal basis. (2) Underground piping systems referred to in Sentence (1) shall be tested
at intervals not greater than 12 months. Subsection 4.7.5. Bonding and Grounding Bonding and grounding
4.7.5.1. (1) Railway tracks on piers and wharves shall be bonded throughout their length and permanently grounded in conformance with Railway Prevention of Electric Sparks Regulations made under the Canada Transportation Act. (2) Insulating joints shall be placed in all rails where entering upon the pier or wharf. Subsection 4.7.6. Fire Protection Portable extinguishers
4.7.6.1. (1) Portable extinguishers having a rating of 40B:C shall be provided in the vicinity of Class I liquid pumps and fuel dispensers in conformance with Section 6.2. (2) Portable extinguishers shall be kept in the pump house or other suitable location where they will be accessible in the event of an emergency, but not accessible to the public. (3) Where marine vessels are loading or unloading flammable liquids or combustible liquids or are being refuelled, portable extinguishers with a rating of not less than 40B:C shall be placed on the pier or wharf in the vicinity of loading or unloading operations, so that they are accessible in the event of a fire emergency. (4) Portable extinguishers provided in conformance with Sentence (3) shall be in addition to those provided on board the marine vessels. Training
4.7.6.2. Operating personnel shall be trained in how to summon the nearest fire department in the event of fire. Subsection 4.7.7. Bulk Transfer Stations Location
4.7.7.1. (1) Except as permitted in Sentence (2), the bulk transfer of flammable
liquids or combustible liquids
shall take place only on piers and wharves used exclusively for that purpose. (2) Where it is not practical to locate bulk transfer stations on separate piers and wharves, such stations may be located on general purpose piers and wharves provided that guards or fences are installed around valves or pumping equipment to prevent entry of unauthorized personnel. Leakage and spill control
4.7.7.2. (1) Measures to accommodate possible leakage or spillage from hose couplings shall be provided in conformance with Subsection 4.1.6. (2) Provision shall be made to prevent spillage resulting from the disconnection of hoses. Hose connections
4.7.7.3. (1) Except as provided in Sentence (2), hose connections on piping shall be of the bolted flange type, and all such connections shall be provided with shut-off valves. (2) The use of cam-locking connections up to 100 mm in size shall be permitted. (3) Hose connections shall not project beyond the face of piers and wharves. Subsection 4.7.8. Cargo Hose Cargo hose
4.7.8.1. (1) The transfer of flammable liquids
or combustible liquids between tanks of marine vessels and piers or wharves shall be through (a)  flexible cargo hose designed in conformance with good engineering practice, or (b)  jointed tubing or piping (i)  suitable for the cargo to be transferred, and (ii)  designed to withstand the maximum design working pressure. Maintenance and testing
4.7.8.2. Cargo hose shall be maintained in satisfactory operating condition and be pressure tested, at intervals not greater than 12 months, to 1.5 times the maximum working pressure but not less than 350 kPa (gauge). Supports
4.7.8.3. Cargo hose shall be supported where it is not run on a solid foundation. Subsection 4.7.9. Cargo Pumps Design and installation
4.7.9.1. Cargo pumps shall be designed and installed in conformance with Subsection 4.4.10. Pressure relief
4.7.9.2. Cargo pumps capable of producing pressures in excess of the safe working pressure of the cargo hose shall be provided with pressure relief devices such as return lines or relief valves. Location
4.7.9.3. (1) Except as permitted in Sentence (2), cargo pumps shall be located (a)  on shore or on piers and wharves either of noncombustible construction or of the solid-fill type, and (b)  not less than 3 m from other buildings or structures. (2) Where it is not practicable to install cargo pumps as required in Sentence (1), they are permitted to be installed on piers and wharves of combustible construction if located in pump houses (a)  conforming to Subsection 4.7.10., and (b)  located not less than 3 m from other buildings. Subsection 4.7.10. Pump Houses Construction
4.7.10.1. Pump houses shall be of noncombustible construction with floors that are chemically resistant to the liquid being handled, liquid-tight and equipped with curbs or flashings around the base of the wall not less than 100 mm in height to contain any spilled liquid. Ventilation
4.7.10.2. Ventilation shall be provided in pump houses in conformance with Subsection 4.1.7. Subsection 4.7.11. Transfer Operations Supervision
4.7.11.1. (1) Transfer operations shall be carried out only under the continuous supervision of a person qualified to supervise such operations. (2) Cargo shall not be transferred to or from the tank of a marine vessel unless sufficient personnel are on board to control the operation. (3) The person responsible for directing the operations shall (a)  prior to the transfer of cargo, ascertain that no unauthorized repair work is being carried out on the pier or wharf and that there are no open flames in the vicinity, (b)  during the transfer of cargo, monitor the progress of the loading and unloading to prevent overflow, and (c)  inspect
the hose and connections for leakage and, if leakage occurs, stop the operations. Bonding and grounding
4.7.11.2. (1) Tanks of marine vessels shall be electrically connected to the shore piping prior to the connection of cargo hose, except when cathodic protection facilities are operating. (2) Electrical connections to tanks of marine vessels shall be maintained until the cargo hose has been disconnected and any spillage has been removed. Equipment
4.7.11.3. (1) Cargo hose shall be of adequate length to allow for the movement of the marine vessel. (2) Gaskets shall be used in all hose joints and pipe couplings to prevent leakage. (3) Flanged joints shall be tightly bolted to prevent leakage. (4) Drip pans shall be placed under hose connections on piers and wharves, except where a sump pit or settling basin is provided. Spill control
4.7.11.4. (1) When transfer operations are completed, (a)  the valves on the hose connections shall be closed, and (b)  unless the cargo hose is equipped with a device that automatically prevents liquid from draining from the hose upon disconnection of the hose, the hose shall be drained so as to not create a fire or explosion hazard. (2) Care shall be taken that no liquid is discharged on a pier or wharf or overboard during draining and emptying operations. SECTION 4.8 PROCESS PLANTS Subsection 4.8.1. Application Application
4.8.1.1. (1) Except as provided in Sentence (2), this Section applies to those process plants, including refineries, which contain industrial processes involving flammable liquids or combustible liquids. (2) This Section does not apply to distilleries covered in Section 4.9. Subsection 4.8.2. Outdoor Processing Equipment Location
4.8.2.1. (1) The location of outdoor processing equipment in process plants
shall be based on its flammable liquid
and combustible liquid capacity as described in Sentences (2) to (4). (2) Except as provided in Sentence (4), outdoor processing equipment having emergency relief venting and a working pressure of not more than 17 kPa (gauge) shall be separated from property lines and buildings on the same property by distances (a)  equal to those in Table 4.3.2.A. for stable liquids, and (b)  2.5 times those in Table 4.3.2.A. for unstable liquids. (3) Except as provided in Sentence (4), outdoor processing equipment having emergency relief venting and a working pressure more than 17 kPa (gauge) shall be separated from property lines and buildings on the same property by distances (a)  1.5 times those in Table 4.3.2.A. for stable liquids, and (b)  four times those in Table 4.3.2.A. for unstable liquids. (4) Where protection is not provided against fires or explosions in processing equipment, the distances in Sentences (2) and (3) shall be doubled. Subsection 4.8.3. Processing Buildings Explosion venting
4.8.3.1. Except as provided in Article 4.8.4.2., where Class IA liquids or unstable liquids are processed within a room or a building, the room or building shall be designed to prevent critical structural and mechanical damage from an internal explosion in conformance with NFPA 68, “Standard on Explosion Protection by Deflagration Venting”. Fire separations
4.8.3.2. Areas where unstable liquids are handled or where small-scale unit chemical processes are carried out shall be separated from the remainder of the
building by a fire separation
having a fire-resistance rating
not less than 2 h. Basements and pits
4.8.3.3. (1) Except as permitted in Article 4.1.5.9., Class I liquids shall not be handled or used in basements. (2) Where Class I liquids are handled or used above grade within existing buildings that have basements or covered pits into which flammable vapours can travel and accumulate, such below
grade areas shall be provided with mechanical ventilation designed to prevent the accumulation of flammable vapours. (3) The mechanical ventilation required in Sentence (2) shall be capable of exhausting at least 18 m3/h per square metre of the room area. Ventilation
4.8.3.4. (1) Enclosed processing buildings handling flammable
liquids or combustible liquids
shall be ventilated as specified in Subsection 4.1.7. (2) Equipment used in a building and the ventilation of the building
shall be designed so as to limit flammable vapour-air mixtures under normal operating conditions to the interior of equipment, and to not more than 1.5 m from such equipment. Subsection 4.8.4. Fire Prevention and Protection Spill and vapour control
4.8.4.1. (1) Processing equipment shall be designed and arranged to (a)  prevent the unintentional escape of liquids and vapours, and (b)  minimize the quantity escaping in the event of accidental release. (2) Measures to control spilled flammable liquids
and combustible liquids shall be provided in conformance with Subsection 4.1.6. Explosion protection
4.8.4.2. (1) Processing equipment where an explosion hazard is present shall be (a)  designed to withstand the explosion pressure without damage to the equipment, (b)  provided with explosion venting in conformance with NFPA 68, “Standard on Explosion Protection by Deflagration Venting”, or (c)  provided with an explosion prevention system in conformance with NFPA 69, “Standard on Explosion Prevention Systems”. Fire prevention and protection
4.8.4.3. (1) An evaluation of the fire and explosion risks shall be undertaken to consider the material properties, quantities, operating conditions, storage arrangement, transportation, process design, operating and maintenance procedures. (2) The evaluation in Sentence (1) shall result in the identification of measures that will minimize fires and explosions from occurring and mitigate the effects of a fire or explosion should it occur. (3) Measures identified in Sentence (2) shall be implemented in conformance with good engineering practices to prevent fires and explosions from occurring. (4) Measures identified in Sentence (2) may include but are not limited to (a)  fire detection and alarm, (b)  special fire suppression systems conforming to the standards identified in Sentences 6.8.1.1.(3) and (4), (c)  sprinkler system conforming to NFPA 13, “Standard for Installation of Sprinkler Systems”, (d)  a reliable water supply with pressure and flow rates capable of meeting the fire demands, (e)  standpipe and hose systems connected to a reliable water supply located such that vessels, pumps and other equipment containing flammable liquids
or combustible liquids can be reached with at least one hose stream, (f)  combination nozzles capable of discharging a straight steam, water spray or fog, (g)  hydrants or monitor nozzles installed in accordance with NFPA 24, “Standard for the Installation of Private Fire Service Mains and their Appurtenances”, (h)  fire-proofing to protect essential equipment and controls, (i)  methods to effect an emergency shutdown of systems, and (j)  methods to protect equipment and structures from fire exposure. (5) The evaluation and measures shall be put in writing and kept in the building
for review by the Chief Fire Official. SECTION 4.9 DISTILLERIES Subsection 4.9.1. Application Application
4.9.1.1. (1) This Section applies to those areas or buildings in distilleries where distilled beverage
alcohols are concentrated, blended, mixed, stored or packaged. (2) The storage, handling and use of flammable liquids
or combustible liquids, other than distilled beverage alcohols, in a
distillery shall conform to this Part. (3) If there is a conflict between the requirements of this Section and any other requirement in this Part, other than a requirement of Section 4.12, this Section shall prevail. (4) Where there are conflicts between this Part and the regulations made under the Excise Act (Canada) with regard to security of the product and measurement methods, the Excise Act (Canada)
shall prevail. Subsection 4.9.2. General Building classification
4.9.2.1. (1) Except as provided in Sentence (2), buildings or parts thereof in which distilled beverage alcohol is distilled, processed or stored in bulk shall be classified as
high hazard industrial occupancies. (2) Buildings
or parts thereof used for storage of closed containers
of distilled beverage alcohols shall be classified as
medium hazard industrial occupancies. Subsection 4.9.3. Storage Tanks and Containers Design, fabrication and testing
4.9.3.1. Storage tanks, wooden vats, barrels, drums or containers used for the storage or processing of distilled beverage alcohols shall be designed, fabricated and tested for the anticipated maximum working pressure, operating temperature, internal corrosion conditions and structural stresses to which they could be subjected. Supports, foundations and anchorage
4.9.3.2. (1) Supports, foundations and anchorage of storage tanks shall comply with Subsection 4.3.3., except that timber supports shall be permitted. (2) Storage tank supports having less than a 2 h fire-resistance rating shall be protected by an automatic fire suppression system conforming to an applicable standard set out in Article 6.8.1.1. (3) The area underneath any storage tank greater than 1.2 m in diameter shall be protected by an automatic special fire suppression system conforming to an applicable standard set out in Article 6.8.1.1. Storage tank vents
4.9.3.3. Normal and emergency vents shall be provided on storage tanks in conformance with good engineering practice. Subsection 4.9.4. Storage Storage tanks, drums and barrels
4.9.4.1. (1) Where more than 25000 L of distilled beverage alcohol in storage tanks, drums or barrels are stored inside buildings, such buildings shall be sprinklered. (2) For storage tank buildings protected by automatic sprinklers in conformance with NFPA 13, “Standard for the Installation of Sprinkler Systems”, storage capacities shall not be limited. Closed containers and storage aids
4.9.4.2. Storage of closed containers of distilled beverage alcohols, packaging materials and empty bottles, drums, barrels and pallets shall be in conformance with Part 3 of Division B of NRC, “National Fire Code of Canada”. Subsection 4.9.5. Piping and Pumping Systems Design and installation
4.9.5.1. The design, fabrication, assembly and inspection of piping and pumping systems containing distilled beverage alcohols
shall be suitable for the anticipated maximum working pressures, operating temperatures, internal corrosion conditions and structural stresses to which they could be subjected. Subsection 4.9.6. Ventilation Ventilation
4.9.6.1. (1) Natural or mechanical ventilation shall be provided for all areas where alcohol vapours are released from storage tanks or process equipment under normal operating conditions, to prevent the concentration of vapours from exceeding 25% of the lower explosive limit, measured 1.5 m from any equipment or from any opening subject to vapour release. (2) Explosion venting as outlined in Sentence 4.2.9.6.(1) is only required in the distillation areas of a distillery. Subsection 4.9.7. Spill Control Spill control
4.9.7.1. Emergency drainage systems shall be provided to direct any spilled or leaked distilled beverage alcohol to a safe location. Subsection 4.9.8. Fire Protection Portable extinguishers
4.9.8.1. (1) Except as provided in Sentences (2) to (4), portable extinguishers shall be provided in conformance with Section 6.2. (2) Except as permitted in Sentence (3), in maturing warehouses, at least one 4A:30B:C rated portable extinguisher shall be located adjacent to each exit. (3) Hose stations complying with Article 6.2.6.6. are permitted to be installed in lieu of portable extinguishers at locations required in Sentence (2), and spaced so that the distance travelled to the nearest hose is not greater than 25 m. (4) At least one portable extinguisher having a rating of 30B:C shall be located on each industrial lift truck. Standpipe and hose systems
4.9.8.2. (1) Except as provided in Sentence (2), standpipe and hose systems shall be provided and installed in distilleries in accordance with the Building Code. (2) Where a building is sprinklered in conformance with the Building Code, small hose (38 mm) stations are permitted to be supplied from interior sprinkler piping. SECTION 4.10 reserved SECTION 4.11 TANK VEHICLES Subsection 4.11.1. Application Application
4.11.1.1. This Section applies to tank vehicles when located on a property to which this Code applies. Subsection 4.11.2. General Portable extinguishers
4.11.2.1. (1) A tank vehicle shall be provided with at least one portable extinguisher having a minimum rating of 80B:C. (2) Portable extinguishers on a tank vehicle shall be readily accessible. Hot works
4.11.2.2. Hot works performed on or in close proximity to a tank vehicle
shall conform to Section 5.17. Parking inside buildings
4.11.2.3. (1) A tank vehicle shall not be parked inside a building unless (a)  the building
is specifically designed for that purpose, (b)  there is sufficient space in the tank vehicle compartment to accommodate the thermal expansion of the flammable liquid or combustible liquid, and (c)  the tank vehicle
has no leaks of flammable liquid or combustible liquid. Parking outside buildings
4.11.2.4. (1) Subject to Sentence (2), a tank vehicle shall not be left unattended by the vehicle operator outside a building
for more than 1 h. (2) A tank vehicle is permitted to be left unattended by the vehicle operator outside a building for more than 1 h, but only in a parking space (a)  that is located not less than 15 m from a building, and (b)  where the tank vehicle is not exposed to undue hazard from accident or collision. Subsection 4.11.3. Loading, Unloading and Dispensing from Tank Vehicles Loading and unloading
4.11.3.1. Unless otherwise stated in this Subsection, the loading and unloading of tank vehicles shall be conducted in conformance with the applicable provisions in Subsection 4.6.4. Ignition sources
4.11.3.2. During loading and unloading operations, a tank vehicle and its delivery equipment shall be separated from other ignition sources by not less than 6 m. Static electric charges
4.11.3.3. During loading and unloading of a tank vehicle, measures shall be taken against static electric charges in conformance with Articles 4.1.8.2. and 4.6.4.5. Supervision
4.11.3.4. During loading and unloading of a tank vehicle, trained personnel shall be in a position to shut off the flow of liquid in an emergency. Multi-use compartments
4.11.3.5. When a compartment of a tank vehicle has been used to carry a Class I liquid, the compartment, piping and accessory delivery equipment shall be drained of liquid before a Class II or IIIA liquid is loaded. Engine
4.11.3.6. When loading or unloading of Class I liquids is done without the use of the engine of the tank vehicle, the engine ignition shall be shut off during the transfer operations. Unloading
4.11.3.7. (1) Before a tank vehicle is unloaded, the volume of liquid in the receiving tank shall be measured to ensure that the tank can accept the volume to be unloaded. (2) If the vents of the receiving or delivery tank are obstructed, the transfer of liquid shall be stopped. (3) A tank vehicle shall not be parked on a street, shoulder or sidewalk while unloading at a fuel dispensing station. Dispensing into vehicles
4.11.3.8. The dispensing of fuel from a tank vehicle directly into the fuel tank of a vehicle shall comply with Article 4.11.3.8. of Division B of NRC, “National Fire Code of Canada”. SECTION 4.12 LABORATORIES Subsection 4.12.1. Application Application
4.12.1.1. This Section applies to laboratories where flammable liquids and combustible liquids are used or handled.
4.12.1.2. If there is a conflict between the requirements in this Section and other requirements in this Part, the requirements in this Section shall prevail. Subsection 4.12.2. Separation Separation
4.12.2.1. (1) A laboratory shall be separated from other parts of the
building by a fire separation having a fire-resistance rating of not less than 1 h. (2) Despite Sentence (1), an existing laboratory that has fire separations
consisting of membranes of lath and plaster or gypsum board is deemed to be in compliance with Sentence (1). Subsection 4.12.3. Maximum Quantities Maximum quantities 4.12.3.1. (1) Containers used for the storage of flammable liquids or combustible liquids shall (a)  if not more than 5 L in capacity, comply with Subsection 4.2.3., or (b)  if more than 5 L in capacity, (i)  comply with the safety container standards of ULC/ORD-C30, “Safety Containers”, and (ii)  have a capacity of not more than 25 L. (2) Subject to Sentence (3) and Subsection 4.12.10., no more than 300 L of flammable
liquids and combustible liquids, of which no more than 50 L may be flammable liquids, shall be kept in the open area of a laboratory. (3) Quantities in excess of those permitted in Sentence (2) shall be stored in cabinets conforming to Subsection 4.2.10. or in a room conforming to Subsection 4.2.9. (4) Containers of flammable liquids or combustible liquids shall be kept closed when not in use. Subsection 4.12.4. Emergency Planning Fire safety plan
4.12.4.1. (1) Except as provided in Sentences (2) to (4), a laboratory shall conform with the requirements of Section 2.8. (2) Fire drills required in Subsection 2.8.3. shall be held at intervals not greater than six months in laboratories. (3) Personnel working in laboratories shall be trained in the safe handling of flammable
liquids and combustible liquids. (4) Measures shall be taken to prevent access to laboratories by unauthorized persons. Subsection 4.12.5. Spill Control Spill control
4.12.5.1. A written spill procedure shall be provided for laboratories in conformance with Article 4.1.6.4. Subsection 4.12.6. Electrical Equipment Electrical equipment
4.12.6.1. Electrical equipment shall conform with Subsection 4.1.4. Subsection 4.12.7. Inspection and Maintenance Inspection and maintenance
4.12.7.1. (1) Electrical equipment, mechanical systems, piping, valves and automatic and manual control and safety devices shall be inspected annually and maintained in good operating condition at all times. (2) The ventilation systems serving a laboratory shall be inspected and cleaned as required to prevent the accumulation of combustible or reactive deposits, and the intervals between inspections shall be not greater than (a)  12 months for the ventilation systems of the open laboratory areas, and (b)  six months for the ventilation system of a power-ventilated enclosure required in Article 4.12.8.2. Subsection 4.12.8. Ventilation Scope and application
4.12.8.1. (1) Ventilation systems shall conform to Subsection 4.1.7. and Articles 4.12.8.2. to 4.12.8.5. (2) Despite Sentence (1), existing ventilation systems need not conform with Articles 4.1.7.3., 4.1.7.4. and 4.12.8.2. to 4.12.8.5. (3) Existing ventilation systems where make-up air is provided are deemed to be in compliance with Article 4.1.7.5. (4) Existing ventilation systems that maintain a negative pressure within the ventilation system with respect to the surroundings are deemed to be in compliance with Article 4.1.7.7. Ventilation
4.12.8.2. (1) A laboratory shall be provided with continuous mechanical ventilation designed and maintained to ensure that flammable vapours (a)  do not accumulate in the laboratory, (b)  are prevented from migrating to other parts of the building, (c)  do not accumulate in the ventilation system, (d)  are exhausted to the outdoors, and (e)  are not returned to the building. (2) A ventilation system required in Sentence (1) shall be provided with monitoring devices to (a)  indicate that the ventilation system is in operation, and (b)  sound an alarm if the ventilation system malfunctions. Power-ventilated enclosure
4.12.8.3. (1) The use and handling of flammable liquids or combustible liquids in a laboratory shall be confined inside a power-ventilated enclosure conforming to Articles 4.12.8.4. and 4.12.8.5. when (a)  their use releases flammable vapours which could be potentially explosive, (b)  liquids are heated to a temperature equal to or greater than their flash point, or (c)  unstable liquids
are used. Enclosure exhaust ventilation
4.12.8.4. (1) The ventilation system for a power-ventilated enclosure required in Article 4.12.8.3. shall (a)  conform to NFPA 91, “Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists, and Noncombustible Particulate Solids”, (b)  provide continuous exhaust ventilation at an air velocity sufficient to prevent the accumulation of explosive vapours or of combustible or reactive deposits in the power-ventilated enclosure and its exhaust duct system, (c)  confine flammable vapours to the area where they are generated and exhaust them to the outdoors, (d)  not return the exhausted air to the building, and (e)  be provided with well identified control switches that are (i)  located outside of the power-ventilated enclosure, and (ii)  readily accessible in case of an emergency. (2) Where deposits referred to in Clause (1)(b) can accumulate in the power-ventilated exhaust duct system and create a fire or explosion hazard, (a)  provisions shall be made to remove such deposits so they do not create a fire or explosion hazard, or (b)  an automatic special fire suppression system shall be provided in conformance with an applicable standard set out in Article 6.8.1.1. Enclosure construction
4.12.8.5. (1) The power-ventilated enclosure required in Article 4.12.8.3. and its exhaust system shall (a)  except as provided in Sentences (2) and (3), be constructed of noncombustible materials compatible with and chemically resistant to vapours being exhausted, (b)  be provided with access doors to permit inspection and maintenance of the fan assembly and exhaust ducts, (c)  be provided with instructions for its use and the operation of the ventilation system, and (d)  be provided with means to control accidental spillage in conformance with Subsection 4.1.6. (2) Combustible materials are permitted in systems described in Clause (1)(a) where (a)  such materials are required by the corrosive or reactive properties of chemicals or liquids being used, and (b)  their flame-spread rating is not more than 25. (3) The flame-spread rating required in Sentence (2) is permitted to be greater than 25 if an automatic special fire suppression system conforming to an applicable standard set out in Article 6.8.1.1. is provided inside the power-ventilated enclosure and its exhaust duct system. Subsection 4.12.9. Refrigerated Storage Refrigerated storage
4.12.9.1. (1) Refrigerators described in Sentence 4.1.4.1.(2) shall be identified as containing flammable liquids or combustible liquids. (2) Class I liquids stored in refrigerators shall be kept in closed containers. Subsection 4.12.10. Existing Laboratories in Basements Existing laboratories in basements
5.1.1.1. This Part applies to materials, processes and operations that involve a risk from explosion or high flammability, or otherwise create a hazard to life safety or health. Subsection 5.1.2. Means of Egress Means of egress
5.1.2.1. Hazardous materials, processes and operations shall be located and the premises maintained so that the means of egress will not be obstructed in any manner that would interfere with evacuation of the floor area in the event of a fire. Subsection 5.1.3. Electrical Installations Electrical installations
5.1.3.1. Electrical installations shall conform to the Electrical Safety Code
made under the Electricity Act, 1998. Subsection 5.1.4. Ventilation Ventilation requirements
5.1.4.1. Ventilation shall be provided for hazardous locations and processes in conformance with the Building Code and the requirements of this Part. Ventilation of processes using flammable gas
5.1.4.2. (1) Subject to Sentence (2), operations involving the use of flammable gas shall be provided with continuous mechanical ventilation that (a)  is sufficient to ensure that flammable gas concentrations outside any zone identified as Class I, Zone 2 in accordance with the Electrical Safety Code made under the Electricity Act, 1998, do not exceed 25% of the lower explosive limit of the flammable gas, (b)  contains automatic interlocks so that the processes using flammable gas cannot be performed when the ventilation system is not in operation, (c)  is provided with an audible alarm in an attended area that activates upon shutdown of the ventilation system, (d)  conforms to NFPA 91, “Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists and Noncombustible Particulate Solids”, (e)  is not used for any purpose other than ventilation and exhaust, (f)  is kept free of obstructions that may interfere with its operation, and (g)  if it recirculates exhaust air, is provided with a fail-safe gas detection and alarm system that continuously monitors the flammable gas concentration in the exhaust air, so that if the flammable gas concentration in the exhaust air exceeds 25% of the lower explosive limit, the system will (i)  sound an alarm in an attended area, (ii)  stop the recirculation of air, and (iii)  redirect the exhaust air to an outdoor location. (2) Sentence (1) does not apply to operations where flammable gas is only used as a fuel. SECTION 5.2 EXPLOSIVES, FIREWORKS AND PYROTECHNICS Subsection 5.2.1. General Interpretation
5.2.1.1. In this Subsection, “Act” means the Explosives Act (Canada); “Regulations” means the Explosives Regulations made under the Explosives Act (Canada). Manufacture, storage, handling, transportation, sale and use
5.2.1.2. The manufacture, storage, handling, transportation, sale and use of explosives shall meet the requirements of the Act and the Regulations. Fire emergency procedures
5.2.1.3. (1) Subject to Sentence (2), no explosives shall be manufactured, stored, handled, transported, sold or used unless fire emergency procedures are established in accordance with Section 2.8 and such procedures specify (a)  the location and identification of storage and handling areas, (b)  the methods to control a fire emergency safely and efficiently, and (c)  the names, addresses and telephone numbers of persons to be contacted in case of fire during non-operating hours. (2) Sentence (1) does not apply to (a)  the use of consumer fireworks (type F.1, as designated by the Act and Regulations), (b)  the use of small arms cartridges (type C.1, as designated by the Act and the Regulations), (c)  the storage of consumer fireworks (type F.1, as designated by the Act and the Regulations) in dwelling units, or (d)  the storage of small arms cartridges (type C.1, as designated by the Act and the Regulations) in dwelling units. Handling and discharge of fireworks and pyrotechnics
5.2.1.4. The handling and discharge of fireworks and pyrotechnics shall comply with NRCan, “Display Fireworks Manual” and NRCan, “Pyrotechnics Special Effects Manual”. Subsection 5.2.2. Revoked: O. Reg. 256/14, s. 196. SECTION 5.3 RESERVED SECTION 5.4 CELLULOSE NITRATE PLASTICS Subsection 5.4.1. Displays Advertising displays
5.4.1.1. Displays of cellulose nitrate plastic articles in stores that are not in showcases or show windows shall be displayed only when placed on tables or counters not more than 1 m wide and 3 m long, and the spaces underneath the tables or counters shall be kept free of combustible materials. Lighting fixtures
5.4.1.2. Lighting fixtures shall not be located adjacent to any cellulose nitrate plastic material so as to create a possible ignition hazard. Subsection 5.4.2. Manufacture Storage of raw materials
5.4.2.1. Raw materials used in the manufacture of cellulose nitrate plastics shall be stored only in areas reserved for that purpose. Storage in cabinets
5.4.2.2. Not more than 450 kg of raw material used for the manufacture of finished cellulose nitrate plastic goods shall be stored in cabinets in any one workroom, not more than 225 kg stored in any one cabinet and not more than 112 kg in any one compartment of the cabinet. Storage in vented vaults
5.4.2.3. Raw material in excess of that permitted in Article 5.4.2.2. shall be kept in vented vaults not exceeding 40 m3 capacity and protected with an automatic sprinkler system installed in conformance with NFPA 13, “Standard for the Installation of Sprinkler Systems”. Accumulation of materials in workrooms
5.4.2.4. In factories manufacturing articles of cellulose nitrate plastics, sprinklered
and vented cabinets, vaults or storage rooms shall be provided to prevent the accumulation of excessive quantities of such material in workrooms. Stationing of operators
5.4.2.5. In the workrooms of factories where cellulose nitrate plastics are being processed, operators shall be stationed not closer than 1 m apart. Storage in work areas
5.4.2.6. Material for the manufacture of cellulose nitrate plastic articles that is not kept in containers may be placed on tables, workbenches or at machines provided the quantity does not exceed one day’s supply. Storage limitations in workrooms
5.4.2.7. The total amount of cellulose nitrate plastic materials, including the material in containers and on tables, in any one workroom shall not exceed 70 kg. Waste material storage
5.4.2.8. Waste cellulose nitrate plastic materials such as shavings, chips, turnings, sawdust edgings and trimmings shall be kept under water in metal receptacles until removed from the premises. Subsection 5.4.3. Storage of Finished Products Ventilation
5.4.3.1. Areas where cellulose nitrate plastic finished products are stored shall be ventilated so that any decomposition gases produced by the plastics will be vented outdoors to an area where they will not re-enter the building. Heating appliance restrictions
5.4.3.2. (1) Cellulose nitrate plastics shall not be stored (a)  in rooms containing fuel-burning appliances or electrical heating elements, or (b)  within 600 mm of any steam pipe, radiator or chimney. Storage vaults
5.4.3.3. (1) Where cellulose nitrate plastics in excess of 11 kg are stored in any fire compartment in a building, a vented cabinet or vault constructed in conformance with NFPA 40E, “Code for the Storage of Pyroxylin Plastic”, and Articles 5.4.3.4. and 5.4.3.5. shall be provided for its storage. (2) Not more than 9000 kg of cellulose nitrate plastics shall be stored in any vault. Storage up to 3400 kg
5.4.3.4. (1) Where quantities do not exceed 3400 kg, cellulose nitrate plastics shall be stored in a vault that (a)  has a fire-resistance rating not less than 1.5 h, (b)  is designed to resist an internal pressure of 3.5 kPa, (c)  is not greater than 40 m3
in volume, (d)  has explosion venting of 0.1 m2
of venting area to the exterior for every cubic metre of vault volume, and (e)  is ventilated to the exterior to provide 200 cm2 of ventilating area for each cubic metre of vault volume. Storage in excess of 3400 kg
5.4.3.5. (1) Where quantities exceed 3400 kg but do not exceed 9000 kg, cellulose nitrate plastics shall be stored in a vault that (a)  has a fire-resistance rating not less than 4 h, (b)  is designed to resist an internal pressure of 28 kPa, (c)  has explosion venting of 650 cm2
of venting area to the exterior for every cubic metre of vault volume, and (d)  is ventilated to the exterior to provide 200 cm2 of ventilating area for each cubic metre of vault volume. Subsection 5.4.4. Cellulose Nitrate Motion Picture Film Restricted use
5.4.4.1. Cellulose nitrate motion picture film shall not be used, stored or handled in a place of public assembly. Storage and handling
5.4.4.2. Cellulose nitrate motion picture film shall be stored and handled in conformance with NFPA 40, “Standard for the Storage and Handling of Cellulose Nitrate Motion Picture Film”. Storage when not in use
5.4.4.3. When not in use, cellulose nitrate motion picture film shall be kept in closed, single-roll containers. Subsection 5.4.5. Fire Protection Sprinkler systems
5.4.5.1. The manufacture and storage of articles of cellulose nitrate plastic in quantities exceeding 45 kg shall be only in buildings equipped with a system of automatic sprinklers installed in conformance with NFPA 13, “Standard for the Installation of Sprinkler Systems”. SECTION 5.5 reserved SECTION 5.6 COMPRESSED GAS CYLINDERS Subsection 5.6.1. General Alternative protection measures
5.6.1.1. (1) A requirement of this Section is deemed to be complied with if alternative protection measures are approved that, in the opinion of the Chief Fire Official, will provide protection for life safety and health similar to the protection provided by compliance with the requirement. (2) A proposal for alternative protection measures referred to in Sentence (1) shall bear the signature and seal of a Professional Engineer or Architect, or both. (3) This Section does not apply to facilities at which compressed gases are manufactured or cylinders are filled or distributed if the storage and handling of the compressed gases is in conformance with (a)  CGA P-1, “Safe Handling of Compressed Gases in Containers”, (b)  NFPA 55, “Standard for the Storage, Use and Handling of Compressed Gases and Cryogenic Fluids in Portable and Stationary Containers, Cylinders and Tanks”, or (c)  a procedure that bears the signature and seal of a Professional Engineer. (4) Articles 5.6.2.1. to 5.6.2.4. do not apply to compressed gas stored outdoors or in a fire compartment if the amount stored in each outdoor location or fire compartment does not exceed (a)  25 kg of flammable compressed gas, or (b)  150 kg of non-flammable compressed gas. (5) Despite Sentence (4), Articles 5.6.2.1. to 5.6.2.4. apply to any amount of poisonous or corrosive compressed gas. (6) Subject to Sentence (7), fire compartments referred to in Sentence (4) shall have a fire-resistance rating not less than 45 min. (7) Existing fire compartments that are approved may have a fire-resistance rating
less than 45 min. (8) Compressed gas
stored in accordance with NFPA 55, “Standard for the Storage, Use and Handling of Compressed Gases and Cryogenic Fluids in Portable and Stationary Containers, Cylinders and Tanks”, is deemed to comply with Subsection 5.6.2. Protection against mechanical damage
5.6.1.2. (1) Cylinders containing compressed gas shall be protected against mechanical damage. (2) Cylinders containing compressed gas shall be stored to hold them securely in place (a)  on racks, (b)  by nesting, or (c)  by approved
methods or devices. Acetylene cylinders
5.6.1.3. Except when being transported, acetylene cylinders shall be kept in an upright position. Valve damage
5.6.1.4. Cylinders containing compressed gas which are in storage shall be protected against valve damage. Temperature limitations
5.6.1.5. Cylinders containing compressed gas shall be stored in areas where the ambient air temperature does not exceed 52°C. Indoor storage
5.6.1.6. If cylinders containing compressed gas are stored indoors, the cylinders shall be stored in a storage area or room that is dry and ventilated. Oxygen cylinders
5.6.1.7. Oil or grease shall not be used for the lubrication of valves or fittings on oxygen cylinders. Subsection 5.6.2. Storage Outdoor storage of cylinders
5.6.2.1. (1) Cylinders containing compressed gases stored outdoors shall be (a)  supported on raised concrete or other noncombustible platforms, (b)  located in an enclosure used for the sole purpose of such storage, and (c)  surrounded by a fence in conformance with Sentence 5.6.2.2.(1). (2) Where a canopy is provided to protect outdoor storage in Sentence (1), the canopy shall be of noncombustible construction. Fencing
5.6.2.2. (1) Fencing required in Article 5.6.2.1. shall be (a)  firmly anchored and substantially constructed, (b)  designed to discourage climbing, (c)  not less than 1.8 m high, (d)  provided with gates that shall be locked when the storage area is not staffed, and (e)  kept clear of obstructions so that gates may be fully opened at all times. (2) An outdoor storage area that exceeds 100 m2 and is used for storage of cylinders containing compressed gas shall be arranged such that there is a clear space of not less than (a)  30 m between stored products and brush or forested areas, and (b)  6 m between stored products and uncontrolled grass or weeds. Clearances from building openings
5.6.2.3. (1) Cylinders containing compressed gas and located outdoors shall be (a)  at least 1.5 m from any building opening if the aggregate capacity of expanded gas is not more than 170 m3, (b)  at least 7.5 m from any building opening if the aggregate capacity of expanded gas is over 170 m3 but not more than 500 m3, or (c)  at least 15 m from any building opening if the aggregate capacity of expanded gas is over 500 m3. (2) Sentence (1) does not apply if the building opening is into a room that conforms to Sentence 5.6.2.4.(1). Indoor storage of flammable compressed gases
5.6.2.4. (1) Except as provided in Sentences (2), (3) and (5), cylinders containing flammable compressed gas stored indoors shall be located in a room that (a)  is separated from the remainder of the building by a gas-tight fire separation having a fire-resistance rating not less than 2 h, (b)  is located on an exterior wall of the building, (c)  can be entered from the exterior, (d)  has all closures that lead into the interior of the building (i)  equipped with self-closing devices in such a manner that the closures are kept closed when not in use, and (ii)  constructed so as to prevent migration of gases from the room into other parts of the building, (e)  is constructed so that an exterior wall provides explosion venting (i)  in the ratio of 0.2 m2
for each cubic metre of room volume, or (ii)  in the ratio computed in accordance with NFPA 68, “Standard on Explosion Protection by Deflagration Venting”, except in no case less than 650 cm2 of vent area for each cubic metre of room volume, (f)  has ventilation that complies with Sentence (4), (g)  does not contain fuel-fired equipment or high temperature heating elements, and (h)  is used for no purpose other than the storage of compressed gas. (2) Cylinders of flammable, lighter than air compressed gas are permitted to be stored outside of a room described in Sentence (1) provided that the aggregate capacity per fire compartment of expanded gas outside of the room is not more than, (a)  60 m3 in a building of combustible construction that is not sprinklered, and (b)  170 m3 in a sprinklered building or in a building
of noncombustible construction. (3) Cylinders of flammable compressed gas which are heavier than air may be stored in rooms other than those described in Sentence (1) if they are stored in a fire compartment having a fire-resistance rating of at least 45 min and (a)  the aggregate capacity does not exceed 100 kg, (b)  the number of cylinders does not exceed three, (c)  the cylinders are not located in the basement or other areas below grade, and (d)  the fire compartment has ventilation conforming to Sentence (4). (4) The ventilation required by Clauses (1)(f) and (3)(d) shall be (a)  mechanical ventilation to the outside that ensures at least one air change per hour, or (b)  natural ventilation to the outside through non-closeable louvred openings with (i)  at least one opening no more than 0.3 m from the ceiling and one opening no more than 0.3 m from the floor, (ii)  all openings at ceiling level having an aggregate free opening area of at least 0.2 m2 per 100 m2 of the floor area, (iii)  all openings at floor level having an aggregate free opening area of at least 0.2 m2 per 100 m2 of the floor area, and (iv)  the openings located to ensure cross ventilation. (5) “Single trip” non-refillable cylinders with water capacities of more than 375 g and less than 1.13 kg located within mercantile occupancies shall conform to the provisions stipulated in Ontario Regulation 211/01 (Propane Storage and Handling) made under the Technical Standards and Safety Act, 2000.
5.6.2.5. RESERVED Poisonous compressed gas
5.6.2.6. Cylinders containing poisonous compressed gas shall not be stored in a room containing combustible or flammable material. Reactive gases
5.6.2.7. (1) Subject to Sentences (2) and (3), cylinders containing compressed gases that may react with one another shall be stored in separate fire compartments having a fire-resistance rating not less than 1 h. (2) Cylinders containing compressed gases that are lighter than air and that may react with each other may be stored in the same fire compartment if they are separated (a)  by a distance of at least 7.5 m, or (b)  by a concrete or masonry wall having a height of at least 2.0 m and projecting at least 1.0 m beyond the cylinders. (3) Cylinders containing compressed gases that may react with each other and are heavier than air may be stored in the same fire compartment
if they are separated (a)  by a distance of at least 15 m, or (b)  by a concrete or masonry wall having a height of at least 1.5 m, and projecting such that the minimum distance that vapour can travel between two cylinders of gases that may react with each other is not less than 15 m, measured horizontally. Signs
5.6.2.8. Storage rooms shall have exterior signs with minimum 50 mm high letters indicating the nature of the compressed gases. SECTION 5.7 REserved SECTION 5.8 reserved SECTION 5.9 reserved SECTION 5.10 COMBUSTIBLE DUST PRODUCING PROCESSES Subsection 5.10.1. Dust Collection Application
5.10.1.1. This Section applies to buildings, parts of buildings or equipment where combustible dusts are produced in quantities or concentrations that create an explosion or fire hazard. Accumulations of combustible dusts