jswizzle3737/ontario_laws_and_regs huggingface dataset:
4.11.3.5. 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
4.11.3.6. (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 tank vents 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. SECTION 4.12LABORATORIES Subsection 4.12.1.Scope Application
4.12.1.1. This Subsection applies to laboratories where flammable and combustible liquids are used or handled. 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 hr. (2) Despite Sentence (1), an existing laboratory that has fire separations consisting of membranes of lath and plaster or gypsum board shall be deemed to be in compliance with Sentence (1). Subsection 4.12.3.Maximum Quantities Maximum quantities
4.12.3.1. (1) Except as provided in Sentence 4.2.6.4.(1), containers used for the storage of flammable or combustible liquids in a laboratory shall be of not more than 5 L capacity and shall conform to Subsection 4.2.3. (2) Except as permitted in Sentence (3), not more than 300 L of flammable and combustible liquids, of which not more than 50 L shall be flammable liquids, shall be permitted 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 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 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) twelve 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 shall be 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 shall be 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 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, “Exhaust Systems for Air-Conveying of Materials”, (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 fire suppression system shall be provided in conformance with an applicable standard listed in Sentence 6.8.1.1.(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 fire suppression system conforming to an applicable standard listed in Sentence 6.8.1.1.(1) is provided inside the power-ventilated enclosure and its exhaust duct system. Subsection 4.12.9.Refrigerated Storage Refrigerated storage
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
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
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. SECTION 5.2EXPLOSIVES, FIREWORKS AND PYROTECHNICS Subsection 5.2.1.Explosives Storage, handling and use
5.2.1.1. The storage, handling and use of explosives, blasting agents, detonators, propellant explosives, pyrotechnics and ammunition shall be in conformance with the Explosives Act (Canada) and the Explosives Regulations made thereunder. Fire emergency procedures
5.2.1.2. (1) Any person using, storing or handling explosives shall establish fire emergency procedures in conformance with Section 2.8 and that shall specify (a) the location and identification of storage and use areas, (b) 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 nonoperating hours. Subsection 5.2.2.Fireworks and Pyrotechnics Manufacture, storage, transportation and sale
5.2.2.1. The manufacture, storage, transportation and sale of fireworks and pyrotechnics shall be in conformance with the Explosives Act (Canada) and the Explosives Regulations made thereunder. Handling and discharge
5.2.2.2. The handling and discharge of fireworks and pyrotechnics shall conform with the Fireworks Manual and Pyrotechnics Special Effects Manual, as published by the Explosives Regulatory Division, Natural Resources Canada. SECTION 5.3MATCHES Subsection 5.3.1.Storage Labelling and packing
5.3.1.1. Matches shall be classified, packaged and labelled by the manufacturer as Class 4 Division 1, Flammable Solids, in conformance with the Transportation of Dangerous Goods Act (Canada). Storage compartment
5.3.1.2. Where the aggregate volume of piles of stored matches exceeds 3 m3, storage compartments shall be constructed in conformance with the requirements of the Building Code for Group ‘F’ Division 1 occupancies. Carton pile arrangements
5.3.1.3. In storage areas regulated by Article 5.3.1.2., shipping cartons containing matches shall be arranged in piles not exceeding 3 m in height or 40 m3 in volume, and separated by aisles 2.4 m wide. Mixed storage
5.3.1.4. In mixed storage areas, matches shall be stored in a specific area separated from the remainder of the storage by a clear space of 2.4 m. Storage restrictions
5.3.1.5. Matches shall not be stored within 3 m of any elevator shaft opening, stairway or other vertical opening. SECTION 5.4CELLULOSE 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.
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.
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, “Installation of Sprinkler Systems”.
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
5.4.2.6. 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.
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
5.4.3.2. (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, “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.
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 of 1½ hr, (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.
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 4-hr fire-resistance rating, (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
5.4.4.2. Cellulose nitrate motion picture film shall be stored and handled in conformance with NFPA 40, “Storage and Handling of Cellulose Nitrate Motion Picture Film”.
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, “Installation of Sprinkler Systems”. SECTION 5.5AMMONIUM NITRATE Subsection 5.5.1.Application Application
5.5.1.1. This Section applies to the storage of ammonium nitrate in quantities exceeding 900 kg in the form of crystals, flakes, grains or prills, including fertilizer grade or other mixtures containing 60 per cent or more ammonium nitrate by weight, but does not apply to blasting agents or fertilizer storage on railways regulated by the Canadian Transport Commission or on privately operated farms. Subsection 5.5.2.Exposure Clearances from storage facilities
5.5.2.1. (1) Except as provided in Sentences (2) and (3), the distance between an ammonium nitrate storage facility and the property line of another property shall be not less than 90 m, except that the distance may be reduced to (a) 30 m where the other property contains a building classified as a Group ‘F’ occupancy, flammable liquid storage tanks, flammable gas storage tanks or other tanks containing a hazardous substance, or (b) 15 m where the other property contains a warehouse for flammable liquids storage or a facility for loading or unloading flammable liquids. (2) Storage facilities for up to 200 t of ammonium nitrate shall be located not closer than 15 m from a property containing a building classified as a Group ‘F’ Division 2 or 3 occupancy, except that this distance may be reduced to 7.5 m when a 2-hr firewall is provided between the storage facility and the building it exposes. (3) Storage facilities for more than 200 t of ammonium nitrate shall be located not closer than 15 m from a property containing a building classified as a Group ‘F’ Division 2 or 3 occupancy when a 2-hr firewall is installed between the storage facility and the building it exposes. (4) The use of buildings or structures that do not conform with the provisions of this Subsection may be approved where the buildings or structures do not constitute a hazard to life or property from fire or explosion. Subsection 5.5.3.Storage Buildings Restrictions on buildings
5.5.3.1. (1) Ammonium nitrate shall not be stored in buildings which are more than 1 storey in building height. (2) The walls of the exposed side of a storage building within 15 m of a combustible building, forest, pile of combustible materials and similar combustible materials shall be noncombustible, except that other forms of exposure protection may be used where approved by the Chief Fire Official.
5.5.3.2. (1) Ammonium nitrate shall not be stored in buildings having cellars, basements, open floor drains, tunnels or other pockets that might trap molten ammonium nitrate in the event of fire. (2) Elevator pits and similar pits may be installed in the floor of a storage facility where vented to the exterior. Ventilation
5.5.3.3. Ammonium nitrate shall not be stored in buildings having less than 70 cm2 of openable vent area for each square metre of storage area unless mechanical ventilation is provided by equipment protected from the storage room by a fire separation having a 1-hr fire-resistance rating. Subsection 5.5.4.Storage Pile dimensions
5.5.4.1. The height and width of piles of bagged ammonium nitrate in warehouses shall not exceed 6 m. Pile locations
5.5.4.2. Bags of ammonium nitrate in warehouses shall not be stacked closer than 914 mm from the roof, overhead supporting beams or sprinkler head deflectors. Pallet channels
5.5.4.3. Where there is palletized storage of bagged ammonium nitrate in warehouses, pallet channels shall be at right angles to aisles. Aisles
5.5.4.4. (1) Aisles of a minimum of 1 m in width shall be provided in warehouses to separate piles of ammonium nitrate. (2) At least 1 aisle not less than 1.2 m in width shall be provided along the entire length of the storage area.
5.5.4.5. Unless constructed of noncombustible material or unless adequate facilities for fighting a roof fire are available, bulk storage structures shall not exceed a height of 12 m. Bulk storage
5.5.4.6. Bulk storage of ammonium nitrate shall be located in warehouses, except that separate bin-type structures conforming to Article 5.5.4.7. may be used. Bins
5.5.4.7. Bins described in Article 5.5.4.6. shall not contain galvanized iron, copper, lead or zinc, or other materials that may contaminate or be corroded by ammonium nitrate. Identifying signs
5.5.4.8. Ammonium nitrate storage bins or piles shall be identified by signs of contrasting colours indicating the contents with letters 50 mm high. Subsection 5.5.5.Fire Hazards Smoking and open flames prohibited
5.5.5.1. (1) Smoking and the use of open flames shall be prohibited in buildings used for the storage of ammonium nitrate. (2) Signs with letters 50 mm high indicating that ammonium nitrate is being stored and that smoking is not permitted shall be prominently displayed near each entrance on the exterior of buildings identified in Sentence (1). Heating equipment
5.5.5.2. Heating equipment shall be separated from any storage area in conformance with the requirements of the Building Code. Restricted use of mobile equipment
5.5.5.3. Mobile internal-combustion equipment may be used in storage buildings in conformance with Section 3.4. Bags and containers
5.5.5.4. Bags and containers used for ammonium nitrate shall be in conformance with Part 73 of the Regulations for the Transport of Dangerous Commodities by Rail (Canada), as prepared by the Canadian Transport Commission. Storage temperature
5.5.5.5. (1) Ammonium nitrate shall be stored at a storage facility where the ambient air temperature does not exceed 54oC. (2) Ammonium nitrate having a temperature higher than 54oC shall not be transferred to the storage area. Disposal
5.5.5.6. (1) Spilled ammonium nitrate material shall be disposed of in conformance with Sentences (2) to (5). (2) Uncontaminated material may be rebagged in suitable slip-over bags and sealed to prevent spillage. (3) Unsalvageable material shall be removed by sweeping and burial. (4) After flushing and scrubbing contaminated areas very thoroughly to dissolve all material, the residue shall be washed away with hoses. (5) Empty bags shall be disposed of by burning out of doors where permitted in a safe area or buried. Explosives prohibited
5.5.5.7. Explosives shall not be used to break up caked ammonium nitrate. Subsection 5.5.6.Fire Protection Automatic sprinklers
5.5.6.1. (1) Ammonium nitrate shall be stored only in buildings equipped with an automatic sprinkler system installed in conformance with NFPA 13, “Installation of Sprinkler Systems”. (2) Sentence (1) does not apply where the existing situation is approved and does not endanger life safety or alternative measures to the requirements set out in Sentence (1) are taken to provide life safety. Portable extinguishers
5.5.6.2. Portable extinguishers shall be installed in conformance with Section 6.2. SECTION 5.6COMPRESSED GAS CYLINDERS Subsection 5.6.1.General
5.6.1.1. (1) A requirement of this Section shall be 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, “Storage, Use and Handling of Compressed and Liquefied Gases in Portable Cylinders”, 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 where the amount of compressed gas stored 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.
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
5.6.1.5. Cylinders containing compressed gas shall be stored in areas where the ambient air temperature does not exceed 52oC. Ventilation
5.6.1.6. (1) Where cylinders containing compressed gas are stored indoors, the storage areas or rooms shall be (a) dry, and (b) ventilated in accordance with Sentence 5.6.2.4.(4). 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 platforms
5.6.2.1. Where cylinders containing compressed gas are stored outdoors, they shall be supported on raised concrete or other noncombustible platforms protected from the weather by a noncombustible canopy in an enclosure surrounded by a firmly anchored fence and used for the sole purpose of such storage. Fencing
5.6.2.2. (1) The fence required in Article 5.6.2.1. shall (a) be designed to discourage climbing, (b) be substantially constructed with a minimum height of 1.8 m, and (c) be equipped with a gate to be kept locked when the enclosure is not staffed. 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) and (3), 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 fire separation having a 2-hr fire-resistance rating, (b) is located on an exterior wall of the building, (c) can be entered from the exterior, (d) if it has doors into the interior of the building, they are equipped with self-closing and latching devices, have a fire-protection rating of at least 1.5 hr and are 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, “Guide for Venting of Deflagrations”, except in no case less than 650 cm2 of vent area for each cubic metre of room volume, (f) has ventilation conforming to 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. Flammable compressed gases lighter than air (2) Cylinders of flammable, lighter than air compressed gas may be stored in rooms other than those described in Sentence (1), (a) in a building of combustible construction that is not sprinklered where the aggregate capacity of expanded gas is not more than 60 m3, (b) in a sprinklered building of combustible construction where the aggregate capacity of expanded gas is not more than 170 m3, or (c) in a building of noncombustible construction where the aggregate capacity of expanded gas is not more than 170 m3. Flammable compressed gases heavier than air (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 ¾ hr and (a) the aggregate capacity does not exceed 100 kg, (b) the number of cylinders does not exceed 3, (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). Ventilation (4) The ventilation required by Clauses (1)(e) and (3)(d) shall be (a) mechanical ventilation to the outside that ensures at least 1 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.
5.6.2.5. RESERVED
5.6.2.7. (1) Except as provided in Sentences (2) and (3), cylinders containing compressed gases that may react with one another shall be stored in separate fire compartments separated by a fire separation having a fire-resistance rating of at least 1 hr. (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 vapour travel distance 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 5.7REACTIVE SUBSTANCES RESERVED SECTION 5.8CORROSIVE LIQUIDS RESERVED SECTION 5.9OXIDIZING MATERIALS RESERVED SECTION 5.10COMBUSTIBLE DUST PRODUCING PROCESSES Subsection 5.10.1.Dust Collection Mechanical exhaust systems
5.10.1.1. Machinery that produces, agitates or conveys combustible dusts shall have or be connected to a mechanical exhaust system to the outside atmosphere and dust-tight casings or enclosures.
5.10.1.2. (1) Building and machinery surfaces shall be kept clean by a vacuum apparatus listed and labelled for use in atmospheres containing combustible dusts. (2) The vacuum cleaning machine required in Sentence (1) and ancillary piping, suction hose and tools shall be electrically conductive and grounded. (3) Compressed air or other compressed gases shall not be used to blow dust from surfaces inside buildings. Dust-collecting equipment
5.10.1.3. Dust-collecting equipment shall be installed where necessary to keep the accumulation of dust at a safe concentration in the interior of the building.
5.10.1.4. (1) Dust-collecting systems shall be made of noncombustible material. (2) Dust-collecting systems shall be of a design which will prevent sparks due to physical contact in the fan assembly.
5.10.1.5. (1) Except where specifically designed and manufactured for internal use, dust-collectors shall (a) be located outside buildings, or (b) be equipped with exhaust stacks or ducts leading to the outside. Grounding
5.10.1.6. Electrically conducting parts of duct systems, dust-collectors and the machines they serve shall be grounded. Explosion venting
5.10.1.7. Except as provided in Article 5.10.1.11., manufacturing activities that produce, agitate, or convey combustible dusts shall be located only in buildings which have explosion venting to the outdoors.
5.10.1.8. Dust-collectors within buildings shall be designed with explosion venting to the exterior. Interlocks
5.10.1.9. Equipment required to have a dust exhaust system shall not be capable of operating until the dust exhaust system is in operation. Air velocity
5.10.1.10. Dust-collector systems shall be designed for an air velocity in the ducts of at least 1068 m/min. Vent stacks
5.10.1.11. (1) Permanently open vent stacks may be used to ventilate storage containers where mechanical dust-collector systems are not practical, provided that the vent stacks (a) have a cross-sectional area not less than twice that of spouts discharging into the container, (b) are installed not more than 30 degrees from the vertical, (c) extend from the top of the container to a point not less than 1.2 m above the roof, and (d) are designed to prevent the entry of snow and rain. Separators
5.10.1.14. Smoking, open flame and spark-producing equipment shall not be allowed in areas containing combustible dust producing operations. SECTION 5.11COMBUSTIBLE FIBRES Subsection 5.11.1.Storage Building sizes
5.11.1.1. Buildings used for the storage and handling of baled combustible fibres shall comply with the height and area limitations of the Building Code for Group ‘F’ Division 2 occupancies. Loose fibre storage
5.11.1.2. (1) Up to 3 m3 of loose combustible fibres may be kept in any building provided storage is in a container complying with Articles 2.4.1.9. and 2.4.1.10. (2) Quantities of loose combustible fibres exceeding 3 m3 but not exceeding 15 m3 shall be stored in rooms separated from the remainder of the building by a fire separation having a 1-hr fire-resistance rating. (3) Quantities of loose combustible fibres exceeding 15 m3 but not exceeding 30 m3 shall be stored in rooms separated from the remainder of the building by a fire separation having a 2-hr fire-resistance rating. (4) Quantities of more than 30 m3 of loose combustible fibres shall not be stored in an individual room unless the room is sprinklered and separated from the remainder of the building by a fire separation having a 2-hr fire-resistance rating. Baled fibre storage
5.11.1.3. (1) Baled combustible fibres shall be stored so that (a) a single pile will not contain more than 700 m3, (b) the maximum height of any single pile will not exceed 4.5 m, (c) piles are separated by aisles not less than 1.5 m wide, and (d) the clearance between piles and building walls is not less than 1 m. Baled storage piles
5.11.1.4. The sides of baled storage piles shall be inclined back from the base of the pile with a slope of not less than 1 m for each 10 m of height.
5.11.1.5. (1) The clearance between sprinkler head deflectors and the tops of piles shall not be less than 457 mm. (2) Where the storage piles are above the lower chords of floor or roof structural framing members, a horizontal clear space of 300 mm shall be maintained between the storage and the structural members. Heating equipment
5.11.1.6. (1) Storage areas for combustible fibres shall not contain fuel fired appliances or electrical heating elements. (2) Shields shall be provided that will prevent stored material from coming within 300 mm of any part of the heating system. Subsection 5.11.2.Fire Protection Standpipe and hose system installations
5.11.2.1. Combustible fibres shall be stored only in warehouses which are protected by standpipe and hose systems installed in conformance with the Building Code. Portable extinguishers
5.11.2.2. Portable extinguishers shall be provided in conformance with Section 6.2. Smoke vents
5.11.2.3. Where combustible fibres are stored in buildings, automatic smoke venting hatches manually operable from remote locations and having a combined opening area of 64 cm2 for each square metre of floor area shall be provided. SECTION 5.12SPRAY APPLICATIONS USING FLAMMABLE AND COMBUSTIBLE MATERIALS Subsection 5.12.1.Location
5.12.1.1. Spray operations shall be separated from the remainder of the building in conformance with the Building Code, where applicable. Subsection 5.12.2.Construction General
5.12.2.1. (1) A spray booth shall consist of a steel frame covered with sheet steel having a minimum thickness of 1.14 mm, or be of equivalent noncombustible construction. (2) The interior surfaces of a spray booth shall be smooth and continuous. (3) The floor of a spray booth and the operator’s working area shall be of noncombustible materials. Baffle plates
5.12.2.2. (1) Spray booth baffle plates shall be of noncombustible material and be removable or arranged to facilitate cleaning. (2) Spray booth baffle plates shall not be located in exhaust ducts. Filters in ducts
5.12.2.3. Filters in ducts used to ventilate spraying areas shall be made from noncombustible material or have a rate of combustibility no greater than Class 2 filters conforming to CAN4-S111, “Standard Method of Fire Tests for Air Filter Units”. Fan blades and casings
5.12.2.4. (1) Except as permitted in Sentence (2), fan blades and casings in exhaust blowers for spray booths shall be nonferrous. (2) Ferrous material for the fan blades and casings may be approved if the exhaust blower is designed, constructed and maintained to prevent two ferrous parts from rubbing or striking each other under all operating conditions. Subsection 5.12.3.Ventilation Ventilation
5.12.3.1. Ventilation shall be provided in all spraying areas to maintain the concentration of flammable vapours and combustible dusts at or below 25 per cent of their lower explosive limit. Air velocity
5.12.3.2. Except as provided in Article 5.12.3.3., the exhaust air velocity at the face of the spray booth shall be at least 30 m/min.
5.12.3.3. Electrostatic spraying shall have an exhaust air velocity of at least 18 m/min at the face of the spray booth. Combined ducting
5.12.3.4. A separate exhaust duct shall be provided for each spray booth, except that a common duct may be used if it serves spray booths having a combined open frontal area of not more than 1.8 m2. Exhaust air
5.12.3.5. Air exhausted from spray operations shall not be recirculated, except where recirculation is acceptable, as described in NFPA 33, “Spray Application Using Flammable and Combustible Materials”. Monitoring air velocity
5.12.3.6. (1) Gauges or alarms that indicate when the air velocity is less than the air velocity required by Article 5.12.3.2. or 5.12.3.3. shall be installed for spray booths. (2) When the gauge or alarm indicates that the air velocity is less than that required by Article 5.12.3.2. or 5.12.3.3., immediate corrective action shall be taken to remedy the condition that has resulted in the reduction of the ventilation. Subsection 5.12.4.Exhaust Ducts Duct support and construction
5.12.4.1. Exhaust ducts for spray booths shall be securely supported and constructed of sheet steel in conformance with Table 5.12.4.A. TABLE 5.12.4.A. Forming Part of Article 5.12.4.1.  Maximum Dimension   of Duct

Minimum Thickness
Of Sheet Steel,
mm


Up to 200 mm incl.
Over 200 mm to 450 mm incl.
Over 450 mm to 750 mm incl.
Over 750 mm

0.56
0.69
0.86
1.14


Column 1

2 Clearances
5.12.4.2. Except as provided in Article 5.12.4.3., a clearance of 457 mm shall be maintained between ducts venting spray booths and unprotected combustible material. Collars
5.12.4.4. Exhaust ducts for spray booths shall be provided with access doors for cleaning purposes. Exhaust outlet locations
5.12.4.5. (1) Except for water-wash types, the exhaust outlet to atmosphere from spray booths shall (a) be 1.8 m from any combustible exterior wall or roof, and (b) be located so that the air does not discharge toward any combustible surface or unprotected opening within 7.5 m. Subsection 5.12.5.Electrical Equipment Hazardous locations
5.12.5.1. Electrical equipment within the spraying area including lighting fixtures shall conform to Part 1, Sections 18 and 20 of the Electrical Safety Code made under the Electricity Act, 1998. Motors for exhaust fans
5.12.5.2. Electric motors for exhaust fans shall not be placed inside spray booths or ducts. Grounding
5.12.5.3. Metal parts of spray booths, exhaust ducts and piping systems conveying flammable or combustible liquids shall be electrically grounded. Subsection 5.12.6.Flammable and Combustible Liquids Storage and handling
5.12.6.1. (1) Flammable and combustible liquids for use in spraying areas shall be stored and handled in an approved manner. (2) The amount of flammable and combustible liquids in the spraying areas shall not exceed one day’s supply. Paint storage
5.12.6.2. Paint shall be kept in closed containers when not in use. Thinners and solvents
5.12.6.4. Where flammable liquids are supplied to spray nozzles by positive displacement pumps, the pump discharge line shall be provided with a suitable relief valve discharging to the pump suction or to a safe remote location. Subsection 5.12.7.Control of Fire Hazards Interlocks
5.12.7.1. The spraying equipment for a spray booth shall be interlocked to shut down in the event of failure of the ventilation system, failure of the circulating water pump of a water-wash system or failure of the filter roll-down mechanism of a dry spray booth. Cleaning and residue disposal
5.12.7.2. (1) The inner surface of spray booths shall be cleaned of combustible residue as often as necessary to prevent a fire hazard.  (2) Combustible residue from cleaning operations shall, on the same day as the cleaning operations, be removed from the premises or placed in receptacles conforming to Articles 2.4.1.9. and 2.4.1.10. Filter pads and rolls
5.12.7.3. Discarded filter pads and filter rolls shall be removed to a safe location or placed in a water-filled metal container and disposed of after each day’s operation. Filters prohibited
5.12.7.4. A water-wash spray booth shall be used when applying spray material that is susceptible to spontaneous heating. Heating equipment
5.12.7.5. Space-heating appliances, steam pipes and other hot surfaces shall not be located in an area where deposits of combustible residue may accumulate. Ignition sources
5.12.7.6. Open flame or spark producing devices shall not be used within a spraying area, unless separated therefrom by a vapour-tight fire separation having a 1-hr fire-resistance rating. Subsection 5.12.8.Fire Protection Equipment Portable extinguishers
5.12.8.1. Portable extinguishers shall be installed near spraying areas in conformance with Section 6.2. Sprinkler installations
5.12.8.2. (1) Except as permitted in Sentences (2) and (3), automatic sprinkler protection shall be provided in each spraying area, spray booth and spray room in conformance with NFPA 13, “Installation of Sprinkler Systems”. (2) Where spraying operations are confined within a spray booth, fire protection may be provided for the spray booth only, in conformance with NFPA 33, “Spray Application Using Flammable or Combustible Materials”. (3) This Article does not apply where the existing situation is approved and does not endanger life safety, or approved alternative measures to the requirements set out in this Article are taken to provide life safety. Sprinkler head protection
5.12.8.3. (1) Sprinkler heads in spray booths shall be protected with lightweight paper or thin polyethylene bags. (2) Bags protecting sprinkler heads shall be replaced before they have accumulated excessive deposits. Subsection 5.12.9.Drying Operations Spray booths used for drying
5.12.9.2. Except as provided in Articles 5.12.9.3. and 5.12.9.4., drying or curing equipment that utilizes components capable of producing ignition, such as an open flame, a spark, or a hot surface, shall not be installed in or near a spraying area.
5.12.9.3. (1) Equipment described in Article 5.12.9.2. may be installed in an area adjacent to the spraying area provided the adjacent area is equipped with a ventilating system arranged to (a) purge the drying space before the heating system can be started, (b) maintain the atmosphere at any source of ignition at or below 25 per cent of the lower explosive limit of any combustible or flammable materials in use, and (c) automatically shut down the heating system in the event of failure of the ventilating system. Spray booths used for drying
5.12.9.4. (1) Spray booths may be used for drying operations where  (a) the spray booth conforms to the appropriate requirements for drying ovens in Section 5.18, (b) the interior of the enclosure is kept reasonably free of over-spray deposits, (c) portable drying apparatus, if used, is of the infrared type, and such apparatus, wiring and connections are removed from the enclosure during spraying operations, and (d) interlocks are installed to (i) prevent the use of spraying apparatus while the drying operation is taking place, (ii) provide for the purging of the enclosure of spray vapours for a minimum of 3 min before the drying apparatus can be energized, (iii) ensure that the ventilating system maintains the concentration of flammable vapours at or below 25 per cent of the lower explosive limit within the enclosure during the drying process, and (iv) ensure that the drying apparatus will automatically shut off in the event of failure of the ventilating system. SECTION 5.13DIP TANKS Subsection 5.13.1.Location
5.13.1.1. Dip tank operations involving flammable or combustible liquids where the quantity exceeds 45 L or the liquid surface area exceeds 0.42 m2 shall be conducted in a room designed for that purpose and separated from the remainder of the building by a fire separation having a 2-hr fire-resistance rating.
5.13.1.2. Dip tanks shall not be located in cellars or basements. Subsection 5.13.2.Construction Floors
5.13.2.1. The floor of any room where dip tanks are located shall be made liquid tight with material that is impervious to the liquid in the tank, have permanent curbs and be drained to a place of safe discharge. Materials
5.13.2.3. The top of a dip tank shall not be less than 150 mm above the floor of the room in which it is located. Covers
5.13.2.4. Dip tank covers as required in Articles 5.13.6.2. and 5.13.6.3. shall be of noncombustible materials.
5.13.2.5. Dip tank covers shall overlap the sides of the tank by 25 mm and shall have a recess or flange extending down around the tank.
5.13.2.6. Dip tank covers shall be maintained in good operating condition. Subsection 5.13.3.Overflow and Drain Pipes Liquid levels
5.13.3.1. The liquid level in a dip tank shall be kept not less than 150 mm below the top of the tank. Overflow pipes
5.13.3.2. Dip tanks having a capacity in excess of 550 L or having a liquid surface area in excess of 1 m2 shall be equipped with a properly trapped overflow pipe that leads to a safe location outside the building or to a closed, vented salvage tank conforming to Subsection 5.13.4.
5.13.3.3. The centre line of the overflow connection to a dip tank shall be 150 mm below the top of the tank.
5.13.3.4. Overflow pipe sizes for dip tanks shall conform to Table 5.13.3.A. TABLE 5.13.3.A. Forming Part of Article 5.13.3.4.  Size of Tank,   L

Overflow Pipe   Size Required,   mm


0 - 46
47 - 160
161 - 350
351 - 700
701 - 1025
1026 - 1500
1501 and over

50
65
75
 100
 125
 150
 200


Column 1

2
5.13.3.7. Dip tanks of over 2300 L liquid capacity shall be equipped with bottom drains capable of being operated both automatically and manually to drain the tank quickly in the event of fire.
5.13.3.8. Bottom drains from dip tanks shall be trapped and shall discharge to a closed, vented salvage tank.
5.13.3.9. Bottom drain sizes for dip tanks shall conform to Table 5.13.3.B. TABLE 5.13.3.B. Forming Part of Article 5.13.3.9.  Capacity of
Dip Tank,
L

Diameter of Bottom
Drain Pipe,
Mm


2300 - 3425
3426 - 4550
4551 - 11500
11501 - 18250
18251 and over

75
 100
 125
 150
 200


Column 1

2 Manual operation of bottom drains
5.13.3.11. Where gravity flow is not practical, automatic pumps shall be installed on drain lines from dip tanks.
5.13.3.12. Where salvage tanks are used, pumping arrangements shall be provided for the transfer of their contents for disposal. Subsection 5.13.4.Salvage Tanks Use
5.13.4.2. The capacity of a salvage tank shall be 20 per cent greater than the capacity of the dip tank or tanks to which it is connected. Location
5.13.4.3. Salvage tanks shall be located underground in the yard or inside a building in an enclosure separated from the remainder of the building by a fire separation having a 2-hr fire-resistance rating. Subsection 5.13.5.Control of Fire Hazards Ventilation
5.13.5.1. Ventilation shall be provided to confine all flammable vapour concentrations exceeding 25 per cent of the lower explosive limit to within 600 mm of the dip tank, drain board and freshly coated work. Interlocks
5.13.5.2. Ventilating systems shall be arranged so that the failure of any ventilation fan as sensed by air flow will automatically stop the dipping conveyor systems and sound an alarm.
5.13.5.6. Where flammable and combustible liquids contained in dip tanks are heated or have a flash point below 43oC, the electrical installation shall conform to the Electrical Safety Code made under the Electricity Act, 1998. Flammable and combustible liquids
5.13.5.7. (1) The storage and handling of flammable and combustible liquids shall be in conformance with Part 4. (2) The total number of containers for flammable and combustible liquids in a dip tank area shall not exceed that required for 1 day’s operations. Ignition sources
5.13.5.8. Smoking, open flames, spark producing devices and heated surfaces having a temperature sufficient to ignite vapours shall not be permitted in the vapour area of a dip tank. Signs prohibiting smoking
5.13.5.9. Signs that prohibit smoking and that conform to Article 2.4.3.2. shall be posted conspicuously in the vicinity of dip tanks. Subsection 5.13.6.Fire Protection Automatic sprinklers
5.13.6.1. Dip tanks shall be located only in rooms protected by an automatic sprinkler system installed in conformance with NFPA 13, “Installation of Sprinkler Systems”. Tank covers and extinguishing systems
5.13.6.2. (1) Dip tanks with a capacity of over 550 L or over 1 m2 liquid surface area shall be protected by (a) an automatic closing cover actuated by a device that also permits manual operation, or (b) an approved automatic extinguishing system of a water spray, foam, carbon dioxide or dry chemical type.