jswizzle3737/ontario_laws_and_regs huggingface dataset:
Notes to Table 5.10.1.1.:
6.2.4.4. Warm-Air Supply Outlets (1) In a dwelling unit, a warm-air supply outlet shall be provided in each finished room that is located adjacent to unheated space, exterior air or exterior soil. (2) Except as provided in Sentence (3), when a room described in Sentence (1) is located adjacent to exterior walls, such outlets shall be located so as to bathe at least one exterior wall or window with warm air, except in bathrooms, utility rooms or kitchens, where this may not be practical. (3) Where the heating system is also designed to provide ventilation air, ceiling outlets or outlets located high on interior walls may be installed, provided the outlets are, (a) designed for this purpose, and (b) installed with diffusers. (4) At least one warm-air supply outlet shall be provided for each 40 m² of floor surface area in unfinished basements serving dwelling units, located so as to provide adequate distribution of warm air throughout the basement. (5) At least one warm-air supply outlet shall be provided for each 80 m2 of floor surface area in heated crawl spaces serving dwelling units, and it shall be located so as to provide adequate distribution of warm-air throughout the crawl space. (6) Except for pipeless furnaces and floor furnaces, the capacity of warm-air supply outlets serving dwelling units shall be not less than the design heat loss from the area served and shall not exceed 3 kW per outlet. (7) In basements and heated crawl spaces, the calculated heat gain from the supply ducts and plenum surfaces may be considered in calculating the design heat loss. (8) The temperature of supply air at the warm-air supply outlets shall not exceed 70°C. (9) Warm-air supply outlets located in finished areas shall be provided with diffusers and adjustable openings and shall not be located on a furnace plenum. (10) Air duct systems serving storage garages shall not be interconnected with other parts of the building.
Notes to Table 5.10.1.1.:
6.2.4.5. Reserved
Notes to Table 5.10.1.1.:
6.2.4.6. Adjustable Dampers and Balance Stops (1) All branch supply ducts for residential systems shall be equipped with volume control dampers at the boot to permit balancing or shall be fitted with a diffuser incorporating an adjustable and lockable volume control device that can be set in a fixed position.
Notes to Table 5.10.1.1.:
6.2.4.7. Return-Air System (1) The return-air system shall be designed to handle the entire air supply. (2) Except as provided in Sentences (3) and (4), return ducts
shall be constructed of material having a surface flame-spread rating of not more than 150. (3) Where any part of a return duct will be exposed to radiation from the heat exchanger or other radiating part within the furnace, such part of a return duct directly above or within 600 mm of the outside furnace casing shall be noncombustible. (4) Return ducts serving solid fuel-fired furnaces shall be constructed of noncombustible
material. (5) Combustible return ducts shall be lined with noncombustible material below floor registers, at the bottom of vertical ducts and under furnaces having a bottom return. (6) Spaces between studs and joists used as return ducts shall be separated from the unused portions of such spaces by tight-fitting metal stops or wood blocking. (7) A vertical return duct shall have openings to return air on not more than 1 floor. (8) A public corridor shall comply with Sentences 6.2.3.9.(4) and (5). (9) The return-air system shall be designed so that the negative pressure from the circulating fan cannot affect the furnace combustion air supply nor draw combustion products from joints or openings in the furnace
or flue pipe. (10) Except as provided in Sentence (14), return-air from a dwelling unit
shall not be recirculated to any other dwelling unit. (11) Except for floor levels that are less than 900 mm above or below an adjacent floor level that is provided with a return-air inlet, at least one return-air inlet shall be provided in each floor level in a dwelling unit. (12) Provision shall be made for the return of air from all rooms by leaving gaps beneath doors, using louvred doors or installing return duct inlets. (13) Return-air inlets shall not be installed in an enclosed room or crawl space that provides combustion air to a furnace. (14) In a house containing two dwelling units, return-air from one dwelling unit may be recirculated to the other dwelling unit, provided a duct-type smoke detector is installed in the supply or return air duct system serving the entire house which would turn off the fuel supply and electrical power to the heating system upon activation of such detector.
Notes to Table 5.10.1.1.:
6.2.4.8. Coverings, Linings and Insulation (0.1) Except as permitted in Sentences (1) and (1.1), foamed plastic insulation shall not be used as part of an air duct or for insulating an air duct. (1) Foamed plastic insulation may be used in a ceiling space that acts as a return air plenum, provided the foamed plastic insulation is protected from exposure to the plenum in accordance with Article 3.1.5.12A. (1.1) Foamed plastic insulation conforming to Article 9.25.2.2. is permitted to be used to insulate a galvanized steel, stainless steel or aluminum air duct provided, (a) the foamed plastic insulation applied to the supply ductwork is not less than 3 m from the furnace bonnet, (b) the temperature within the ductwork where the insulation is installed is not greater than 50°C, (c) duct joints are taped with a product conforming to Sentence 6.2.4.9.(1), (d) return air plenums
are separated from the foamed plastic insulation, and (e) the foamed plastic insulation is protected in accordance with Article 9.10.17.10. (2) Linings of ducts shall be installed so that they will not interfere with the operation of volume or balancing dampers.
Notes to Table 5.10.1.1.:
6.2.4.9. Tape (1) Tape used for sealing joints in air ducts, plenums and other parts of air duct systems shall meet the flame-resistance requirements for fabric in CAN/ULC-S109, “Flame Tests of Flame-Resistant Fabrics and Films”.
Notes to Table 5.10.1.1.:
6.2.4.10. Clearances of Ducts and Plenums (1) Where the plenum clearance is 75 mm or less, the clearance between a supply duct and combustible material shall, (a) be equal to the required plenum clearance within 450 mm of the plenum, and (b) be not less than 12 mm at a distance of 450 mm or more from the plenum, except that this clearance may be reduced to zero beyond a bend or offset in the duct sufficiently large to shield the remainder of the duct from direct radiation from the furnace heat exchanger. (2) Where the plenum clearance is more than 75 mm but not more than 150 mm, the clearance between a supply duct and combustible material shall, (a) be equal to the required plenum clearance within a horizontal distance of 1 800 mm of the plenum, and (b) be not less than 12 mm at a horizontal distance of 1 800 mm or more from the plenum, except that this distance may be reduced to zero beyond a bend or offset in the duct sufficiently large to shield the remainder of the duct from direct radiation from the furnace heat exchanger. (3) Where the plenum clearance is more than 150 mm, the clearance between a supply duct and combustible
material shall, (a) be equal to the required plenum clearance within a horizontal distance of 1 000 mm of the plenum, (b) be not less than 150 mm within a horizontal distance between 1 000 mm and 1 800 mm from the plenum, and (c) be not less than 25 mm at a horizontal distance of 1 800 mm or more from the plenum, except that this distance may be reduced to 8 mm beyond a bend or offset in the duct sufficiently large to shield the remainder of the supply duct from direct radiation from the furnace
heat exchanger. (4) Where a register is installed in a floor directly over a pipeless furnace, a double-walled register box with not less than 100 mm between walls, or a register box with the warm-air passage completely surrounded by the cold-air passage, shall be permitted in lieu of the clearances listed in Sentences (1), (2) and (3).
Notes to Table 5.10.1.1.:
6.2.4.11. Exhaust Ducts and Outlets (1) Where an exhaust duct passes through or is adjacent to unheated space, the duct shall be insulated to prevent moisture or condensation in the duct. (2) Exhaust outlets shall be designed to prevent back draft under wind conditions. (3) Exhaust ducts directly connected to laundry drying equipment shall be independent of other exhaust ducts. (4) Exhaust systems shall discharge directly to the outdoors.
Notes to Table 5.10.1.1.:
6.2.4.12. Make-up Air (1) In ventilating systems that exhaust air to the outdoors, provision shall be made for the admission of a supply of make-up air in sufficient quantity so that the operation of the exhaust system and other exhaust equipment or combustion equipment is not adversely affected.
Notes to Table 5.10.1.1.:
6.2.4.13. Supply, Return, Intake and Exhaust Air Openings (1) Supply, return and exhaust air openings in rooms or spaces shall be protected by grilles having openings of a size that will not allow the passage of a 15 mm diameter sphere. (2) Outdoor air intakes and exhaust outlets at the building
exterior shall be designed or located so that the air entering the building system will not contain more contaminants than the normal exterior air. (3) Exterior openings for outdoor air intakes and exhaust outlets shall be shielded from the entry of snow and rain and shall be fitted with corrosion-resistant screens of mesh having openings not larger than 15 mm, except where climatic conditions may require larger openings. (4) Screens required in Sentence (3) shall be accessible for maintenance. (5) Combustible grilles, diffusers and other devices for the supply and return air openings installed in walls and ceilings shall have a flame-spread rating of, (a) not more than 200 in bathrooms, and (b) not more than 150 in rooms or spaces other than bathrooms.
Notes to Table 5.10.1.1.:
6.2.4.14. Air Filters and Equipment (1) Air filters for air duct systems shall conform to the requirements for Class 2 air filter units as described in CAN/ULC-S111, “Fire Tests for Air Filter Units”. (2) When electrostatic-type filters are used, they shall be installed so as to ensure that the electric circuit is automatically de-energized when filter access doors are opened or when the system circulating fan is not operating. (3) When odour removal equipment of the adsorption type is used it shall be, (a) installed to provide access so that adsorption material can be reactivated or renewed, and (b) protected from dust accumulation by air filters installed on the inlet side. 6.2.5. Heating Appliances, General
Notes to Table 5.10.1.1.:
6.2.5.1. Location of Appliances (1) Except for appliances installed in dwelling units, fuel-fired heating appliances
shall be located, enclosed or separated from the remainder of the building in conformance with Section 3.6.
Notes to Table 5.10.1.1.:
6.2.5.2. Appliances Installed Outside the Building (1) Fuel-fired appliances installed outside a building shall be, (a) designed and constructed for outdoor use, (b) installed not less than 1 200 mm from the property line, measured horizontally, and (c) installed not less than 3 m from an adjacent wall of the same building when such wall contains an opening or openings within 3 storeys
above and 5 m horizontally from the appliance, unless such openings are protected by a closure assembly having a 45 min fire-protection rating determined in conformance with Article 3.1.8.4., or by wired glass conforming to Article 3.1.8.14. 6.2.6. Incinerators
Notes to Table 5.10.1.1.:
6.2.6.1. Applicable Standard (1) The design, construction, installation and material alteration of every indoor incinerator shall conform to NFPA 82, “Incinerators and Waste and Linen Handling Systems and Equipment”. 6.2.7. Unit Heaters
Notes to Table 5.10.1.1.:
6.2.7.1. Clearances (1) Every unit heater using either steam or hot water as the heating medium shall be installed such that the clearances between the appliance and adjacent combustible
material conform to Table 6.2.9.3. 6.2.8. Radiators and Convectors
Notes to Table 5.10.1.1.:
6.2.8.1. Lining or Backing (1) A noncombustible lining or backing shall be provided for every steam or hot water radiator and convector, (a) located in a recess or concealed space, or (b) attached to the face of a wall of combustible construction or encapsulated mass timber construction. (2) Every steam or hot water radiator and convector shall be installed to conform to the clearance requirements of Table 6.2.9.3. 6.2.9. Piping for Heating and Cooling Systems
Notes to Table 5.10.1.1.:
6.2.9.1. Piping Materials and Installation (1) Piping shall be made from materials designed to withstand the effects of temperatures and pressures that may occur in the system. (2) Every pipe used in a heating or air-conditioning system shall be installed to allow for expansion and contraction due to temperature changes. (3) Supports and anchors for piping in a heating or air-conditioning system shall be designed and installed to ensure that undue stress is not placed on the supporting structure.
Notes to Table 5.10.1.1.:
6.2.9.2. Insulation and Coverings (1) Insulation and coverings on pipes shall be composed of material suitable for the operating temperature of the system to withstand deterioration from softening, melting, mildew and mould. (2) Insulation and coverings on pipes in which the temperature of the fluid exceeds 120°C, (a) shall be made of noncombustible material, or (b) shall not flame, glow, smoulder or smoke when tested in accordance with ASTM C411, “Hot-Surface Performance of High-Temperature Thermal Insulation”, at the maximum temperature to which such insulation or covering is to be exposed in service. (3) Except as permitted by Sentence (7), where combustible
insulation is used on piping in horizontal service space
or a vertical service space, the insulation and coverings on that piping shall have a flame-spread rating
on any exposed surface and on any surface that would be exposed by cutting through the material in any direction, (a) not more than 25 in a building required to be of noncombustible construction or in a building or part of a building permitted to be of encapsulated mass timber construction, or (b) not more than 75 in a building permitted to be of combustible construction. (4) Except as provided in Sentence (7), insulation and coverings on piping located in rooms and spaces other than the service spaces described in Sentence (3) shall have a flame-spread rating of not more than that required for the interior finish for the ceiling of the room or space. (5) Except as provided in Sentence (7), where combustible
insulation and covering is used on piping in buildings
described in Subsection 3.2.6., they shall have a smoke developed classification of not more than 100. (6) Exposed piping or equipment subject to human contact shall be insulated so that the temperature of the exposed surface does not exceed 70°C. (7) No flame-spread rating or smoke developed classification limitations are required where combustible
insulation and coverings are used on piping when such piping is, (a) located within a concealed space in a wall, (b) located in a floor slab, or (c) enclosed in a noncombustible raceway or conduit.
Notes to Table 5.10.1.1.:
6.2.9.3. Clearances (1) Clearances between combustible material and bare pipes carrying steam or hot water shall conform to Table 6.2.9.3. Table 6.2.9.3.   Clearance Between Steam or Hot Water Pipes and Combustible Material Forming Part of Sentences 6.2.7.1.(1), 6.2.8.1.(2) and 6.2.9.3.(1) Item   Column 1 Steam or Water Temperature, °C   Column 2 Minimum Clearance, mm 

  1.   not above 95   no clearance 

  2.   above 95 to 120   15 

  3.   above 120   25
Notes to Table 5.10.1.1.:
6.2.9.4. Surface Temperature (1) The exposed surface temperature of a steam or hot water radiator shall not exceed 70°C unless precautions are taken to prevent human contact.
Notes to Table 5.10.1.1.:
6.2.9.5. Protection (1) Where a pipe carrying steam or hot water at a temperature above 120°C passes through a combustible floor, ceiling or wall, the construction shall be protected by a sleeve of metal or other noncombustible material not less than 50 mm larger in diameter than the pipe. (2) Unprotected steam or hot water pipes that pass through a storage space shall be covered with not less than 25 mm of noncombustible
insulation to prevent direct contact with the material stored.
Notes to Table 5.10.1.1.:
6.2.9.6. Piping in Shafts (1) Where piping for heating or air-conditioning
systems is enclosed in a shaft, the requirements of Article 3.6.3.1. for shafts shall apply. 6.2.10. Refrigerating Systems and Equipment for Air-Conditioning
Notes to Table 5.10.1.1.:
6.2.10.1. Cooling Units (1) Where a cooling unit is combined with a fuel-fired furnace in the same duct system, the cooling unit shall be installed, (a) in parallel with the heating furnace, (b) upstream of the furnace, provided the furnace
is designed for such application, or (c) downstream of the furnace, provided the cooling unit is designed to prevent excessive temperature or pressure in the refrigeration system. 6.2.11. Storage Bins
Notes to Table 5.10.1.1.:
6.2.11.1. Storage Bins (1) Service pipes passing through a storage bin for solid fuel shall be protected or so located as to avoid damage to the pipes. (2) Except for fuel-thawing pipes, every pipe designed to operate at a temperature of 50°C or above shall be located where fuel cannot be stored in contact with it. (3) A storage bin for solid fuel shall not be located above a sewer opening or drain opening. (4) Storage bins for solid fuel shall be designed and constructed so that the air temperature in the bin or the surface temperature of any part of the floor or walls is below 50°C.
Notes to Table 5.10.1.1.:
6.2.11.2. Ash Storage Bins (1) Every ash storage bin shall be constructed of noncombustible
material. (2) Every opening in an ash storage bin shall be protected by a tight-fitting metal door with metal frame securely fastened to the bin. 6.2.12. Carbon Monoxide Alarms
Notes to Table 5.10.1.1.:
6.2.12.1. Application (1) This Subsection applies to every building
that, (a) contains a residential occupancy, and (b) contains a fuel-burning appliance or a storage garage.
Notes to Table 5.10.1.1.:
6.2.12.2. Location of Carbon Monoxide Alarms (1) Where a fuel-burning appliance is installed in a suite of residential occupancy, a carbon monoxide alarm shall be installed adjacent to each sleeping area in the suite. (2) Where a fuel-burning appliance is installed in a service room that is not in a suite
of residential occupancy, a carbon monoxide alarm shall be installed, (a) adjacent to each sleeping area in every suite of residential occupancy that is adjacent to the service room, and (b) in the service room. (3) Where a storage garage is located in a building
containing a residential occupancy, a carbon monoxide alarm shall be installed adjacent to each sleeping area in every suite of residential occupancy
that is adjacent to the storage garage.
Notes to Table 5.10.1.1.:
6.2.12.3. Installation and Conformance to Standards (1) The carbon monoxide alarms required by Article 6.2.12.2. shall, (a) except as permitted in Sentence (2), be permanently connected to an electrical circuit and shall have no disconnect switch between the overcurrent device and the carbon monoxide alarm, (b) be wired so that its activation will activate all carbon monoxide alarms within the suite, where located within a suite of residential occupancy, (c) be equipped with an alarm that is audible within bedrooms when the intervening doors are closed, where located in a suite of residential occupancy, and (d) conform to, (i) CAN/CSA-6.19, “Residential Carbon Monoxide Alarming Devices”, or (ii) UL 2034, “Single and Multiple Station Carbon Monoxide Alarms”. (2) Where the building is not supplied with electrical power, carbon monoxide alarms are permitted to be battery operated. 6.2.13. Ventilation for Laboratories
Notes to Table 5.10.1.1.:
6.2.13.1. Application (1) This Subsection applies to laboratories intended as a location where flammable liquids and combustible liquids are used in normal laboratory operations in quantities or in a manner that create a fire or explosion hazard.
Notes to Table 5.10.1.1.:
6.2.13.2. General Ventilation (1) A laboratory shall be provided with continuous mechanical ventilation designed 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 this Subsection shall be provided with monitoring devices that, (a) indicate that the ventilation system is in operation, and (b) sound an alarm if the ventilation system is malfunctioning.
Notes to Table 5.10.1.1.:
6.2.13.3. Power-Ventilated Enclosure (1) A power-ventilated enclosure required by the Fire Code made under the Fire Protection and Prevention Act, 1997 shall be designed and constructed to conform to Articles 6.2.13.4. and 6.2.13.5.
Notes to Table 5.10.1.1.:
6.2.13.4. Enclosure Exhaust Ventilation (1) The ventilation system for a power-ventilated enclosure referred to in Article 6.2.13.3. shall, (a) conform to NFPA 91, “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 combustible or reactive deposits in the power-ventilated enclosure and its exhaust duct system, (c) confine flammable vapours and particles 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 the power-ventilated enclosure, and (ii) readily accessible in case of an emergency. (2) Fire dampers are permitted to be used within the exhaust duct system of the ventilation system for a power-ventilated enclosure referred to in Article 6.2.13.3.
Notes to Table 5.10.1.1.:
6.2.13.5. Enclosure Construction (1) The power-ventilated enclosure referred to in Article 6.2.13.3. and its exhaust duct system shall, (a) except as provided in Sentences (2) and (3), be constructed of noncombustible
materials compatible with and chemically resistant to the flammable vapours and particles being exhausted, and (b) be provided with access doors to permit inspection and maintenance of the fan assembly and exhaust ducts. (2) Combustible materials are permitted in the power-ventilated enclosure described in Sentence (1) and its exhaust duct system if, (a) such materials are required by the corrosive or reactive properties of the 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 is provided inside the power-ventilated enclosure and its exhaust duct
system. Section 6.3. Chimneys and Venting Equipment 6.3.1. General
Notes to Table 5.10.1.1.:
6.3.1.1. Requirement for Venting (1) Except as provided in Articles 6.3.1.2. and 6.3.1.3., the products of combustion from solid fuel-burning appliances
shall be vented in conformance with the requirements in the applicable appliance installation standards listed in Article 6.2.1.4.
Notes to Table 5.10.1.1.:
6.3.1.2. Masonry or Concrete Chimneys (1) Rectangular masonry or concrete chimneys
not more than 12 m in height shall conform to Part 9 if they serve, (a)  appliances with a combined total rated heat output of 120 kW or less, or (b) fireplaces. (2) Masonry or concrete chimneys other than those described in Sentence (1) shall be designed and installed in conformance with the appropriate requirements in NFPA 211, “Chimneys, Fireplaces, Vents and Solid Fuel-Burning Appliances”.
Notes to Table 5.10.1.1.:
6.3.1.3. Metal Smoke Stacks (1) Single wall metal smoke stacks shall be designed and installed in conformance with NFPA 211, “Chimneys, Fireplaces, Vents and Solid Fuel-Burning Appliances”.
Notes to Table 5.10.1.1.:
6.3.1.4. Reserved
Notes to Table 5.10.1.1.:
6.3.1.5. Access Ladders (1) Access ladders for chimneys, when provided, shall consist of steel or bronze rungs, built into the walls of the chimneys. (2) Rungs for external ladders shall begin at not less than 2 500 mm from ground level. O. Reg. 332/12, Division B, Part 6; O. Reg. 361/13, ss. 35-38; O. Reg. 191/14, ss. 60-63; O. Reg. 139/17, ss. 49-53; O. Reg. 88/19, s. 129-144; O. Reg. 451/22, s. 24-26. Part 7   Plumbing Section   7.1.   General 

      7.1.1.   Scope 

      7.1.2.   Application 

      7.1.3.   Definitions 

      7.1.4.   Plumbing Facilities 

      7.1.5.   Service Connections 

      7.1.6.   Location of Fixtures 

      7.1.7.   Accommodating Movement 

            

  Section   7.2.   Materials and Equipment 

      7.2.1.   General 

      7.2.2.   Fixtures 

      7.2.3.   Traps and Interceptors 

      7.2.4.   Pipe Fittings 

      7.2.5.   Non-Metallic Pipe and Fittings 

      7.2.6.   Ferrous Pipe and Fittings 

      7.2.7.   Non-Ferrous Pipe and Fittings 

      7.2.8.   Corrosion Resistant Materials 

      7.2.9.   Jointing Materials 

      7.2.10.   Miscellaneous Materials 

      7.2.11.   Water Service Pipes and Fire Service Mains 

            

  Section   7.3.   Piping 

      7.3.1.   Application 

      7.3.2.   Construction and Use of Joints 

      7.3.3.   Joints and Connections 

      7.3.4.   Support of Piping 

      7.3.5.   Protection of Piping 

      7.3.6.   Testing of Drainage and Venting Systems 

      7.3.7.   Testing of Potable Water Systems 

            

  Section   7.4.   Drainage Systems 

      7.4.1.   Application 

      7.4.2.   Connections to Drainage Systems 

      7.4.3.   Location of Fixtures 

      7.4.4.   Treatment of Sewage and Wastes 

      7.4.5.   Traps 

      7.4.6.   Arrangement of Drainage Piping 

      7.4.7.   Cleanouts  

      7.4.8.   Minimum Slope and Length of Drainage Pipes 

      7.4.9.   Size of Drainage Pipes 

      7.4.10.   Hydraulic Loads 

            

  Section   7.5.   Venting Systems 

      7.5.1.   Vent Pipes for Traps 

      7.5.2.   Wet Venting 

      7.5.3.   Circuit Venting 

      7.5.4.   Vent Pipes for Soil or Waste Stacks 

      7.5.5.   Miscellaneous Vent Pipes  

      7.5.6.   Arrangement of Vent Pipes 

      7.5.7.   Minimum Size of Vent Pipes 

      7.5.8.   Sizing of Vent Pipes 

      7.5.9.   Air Admittance Valves 

            

  Section   7.6.   Potable Water Systems 

      7.6.1.   Arrangement of Piping 

      7.6.2.   Protection from Contamination 

      7.6.3.   Size and Capacity of Pipes 

      7.6.4.   Water Efficiency 

      7.6.5.   Water Temperature Control 

            

  Section   7.7.   Non-Potable Water Systems 

      7.7.1.   Connection 

      7.7.2.   Identification 

      7.7.3.   Location 

      7.7.4.   Non-Potable Water Systems for Re-use Purposes Section 7.1. General 7.1.1. Scope
Notes to Table 5.10.1.1.:
7.1.1.1. Scope (1) The scope of this Part shall be as described in Subsection 1.1.2. of Division A. 7.1.2. Application
Notes to Table 5.10.1.1.:
7.1.2.1. Application (1) Except as provided in Sentence (2), this Part applies to the design and construction of plumbing. (2) This Part does not apply to industrial process systems unless the industrial process system is interconnected with the plumbing system, in which case the interconnection shall be so designed and installed so that the plumbing system is protected against contamination or malfunction that may be caused by the industrial system. 7.1.3. Definitions
Notes to Table 5.10.1.1.:
7.1.3.1. Definitions (1) In this Part, Storey means the interval between two successive floor levels including mezzanine floors that contain plumbing
or between a floor level and roof. 7.1.4. Plumbing Facilities
Notes to Table 5.10.1.1.:
7.1.4.1. Facilities Required (1) Plumbing
facilities shall be provided in accordance with Subsection 3.7.4. and Section 9.31.
Notes to Table 5.10.1.1.:
7.1.4.2. Floor Drains (1) Where gravity drainage to a sanitary drainage system is possible, a floor drain shall be installed in a basement forming part of a dwelling unit. (2) Where gravity drainage to a sanitary drainage system is not possible, the floor drain required by Sentence (1) may be connected to a storm drainage system, dry well or drainage ditch provided it is located where it can receive only clear water waste or storm sewage. (3) A floor drain shall be provided in a public laundry room, garbage room, incinerator room, boiler or heating room that is not located within a dwelling unit. 7.1.5. Service Connections
Notes to Table 5.10.1.1.:
7.1.5.1. Sanitary Drainage Systems (1) Every sanitary drainage system shall be connected to a public sanitary sewer, a public combined sewer or a private sewage disposal system. (2) A combined building drain or a combined building sewer shall not be installed.
Notes to Table 5.10.1.1.:
7.1.5.2. Storm Drainage Systems (1) Every storm drainage system shall be connected to a public storm sewage works, a public combined sewage works or a designated storm water disposal location but shall not be connected to a sanitary sewage works.
Notes to Table 5.10.1.1.:
7.1.5.3. Water Distribution Systems (1) Except as provided in Sentence (2), every water distribution system shall be connected, (a) to a watermain that is part of a municipal drinking water system, or (b) to a drinking water system, if a watermain described in Clause (a) is not available. (2) Storm sewage or greywater that is free of solids and treated to conform to Article 7.7.4.1. is permitted to be used as a water supply for, (a) water closets, (b) urinals, (c) sub-surface irrigation, or (d) the priming of traps. (3) Rainwater that is free of solids and treated to conform to Article 7.7.4.1. is permitted to be used as a water supply for, (a) clothes washers, (b) laundry trays, (c) mop sinks, (d) bedpan washers, (e) water closets, (f) urinals, (g) hose bibbs, (h) sub-surface irrigation, or (i) the priming of traps. (4) Piping conveying the non-potable water described in Sentence (2) shall be installed in conformance with Section 7.7.
Notes to Table 5.10.1.1.:
7.1.5.4. Separate Services (1) Except as provided in Sentences (2) and (3), piping in any building
shall be connected to the public services separately from piping of any other building. (2) An ancillary building on the same property as the main building may be served by the same service. (3) Water service pipes or building sewers serving buildings located on the same property may connect into a private water supply or a private sewer conforming to Article 7.1.5.5. (4) No plumbing serving a dwelling unit
shall be installed in or under another unit of the building
unless the piping is located in a tunnel, pipe corridor, common basement or parking garage, so that the piping is accessible for servicing and maintenance throughout its length without encroachment on any private living space, but this Sentence does not prevent plumbing serving a unit located above another unit from being installed in or under the lower unit.
Notes to Table 5.10.1.1.:
7.1.5.5. Private Sewers and Private Water Supply (1) Private water supply pipes shall be designed and installed according to MOE PIBS 6881e, “Design Guidelines for Drinking-Water Systems”. (2) Private sewers
shall be designed and installed according to MOE PIBS 6879, “Design Guidelines for Sewage Works”. 7.1.6. Location of Fixtures
Notes to Table 5.10.1.1.:
7.1.6.1. Lighting and Ventilation Requirements (1) Plumbing fixtures shall not be installed in a room that is not lighted and ventilated in accordance with the appropriate requirements in Parts 3 and 9.
Notes to Table 5.10.1.1.:
7.1.6.2. Accessibility (1) Every fixture, plumbing appliance, interceptor, cleanout, valve, device or piece of equipment shall be so located that it is readily accessible for use, cleaning and maintenance. 7.1.7. Accommodating Movement
Notes to Table 5.10.1.1.:
7.1.7.1. Structural Movement (1) Plumbing shall be designed and installed to accommodate the maximum relative structural movement provided for in the construction of the building. Section 7.2. Materials and Equipment 7.2.1. General
Notes to Table 5.10.1.1.:
7.2.1.1. Exposure of Materials (1) Where unusual conditions exist such as excessively corrosive soil or water, only materials suited for use in such locations shall be used. (2) Materials and equipment used in a drainage system where excessively corrosive wastes are present shall be suitable for the purpose.
Notes to Table 5.10.1.1.:
7.2.1.2. Restrictions on Re-Use (1) Used materials and equipment, including fixtures, shall not be reused unless they meet the requirements of this Part for new materials and equipment and are otherwise satisfactory for their intended use. (2) Materials and equipment that have been used for a purpose other than the distribution of potable water shall not be subsequently used in a potable water system.
Notes to Table 5.10.1.1.:
7.2.1.3. Identification and Certification (1) Every length of pipe and every fitting shall have cast, stamped or indelibly marked on it the maker’s name or mark and the weight or class or quality of the product, or it shall be marked in accordance with the relevant standard, and such markings shall be visible after installation. (2) Where a component of a plumbing system
is required by this Code to comply with a standard and the compliance is not certified by a testing agency accredited by the Standards Council of Canada for the testing of the component in question and, when an inspector requests proof of the compliance, proof of compliance shall be produced by the person proposing to install or have installed the component, and without such proof the component shall not be installed as a permanent part of any plumbing system. (3) The lack of certification markings on a product or plumbing component shall be regarded as proof, in the absence of evidence to the contrary, that no certification exists. (4) If a component of a plumbing system is required to be certified to a standard, the certification shall be made by a testing agency accredited for that purpose by the Standards Council of Canada.
Notes to Table 5.10.1.1.:
7.2.1.4. Pipe or Piping (1) Where the term pipe or piping and fittings is used, it shall also apply to tube or tubing and fittings unless otherwise stated.
Notes to Table 5.10.1.1.:
7.2.1.5. Withstanding Pressure (1) Piping, fittings and joints used in pressure sewer, forcemain or sump pump discharge applications shall be capable of withstanding at least one and one-half times the maximum potential pressure. 7.2.2. Fixtures
Notes to Table 5.10.1.1.:
7.2.2.1. Surface Requirements (1) Except for the area designed to be slip proof in such fixtures, every exposed area of a fixture
shall have a smooth, hard corrosion-resistant surface that is free from flaws and blemishes that may interfere with cleaning.
Notes to Table 5.10.1.1.:
7.2.2.2. Conformance to Standards (1) Water closets and urinals shall conform to the requirements in Article 7.6.4.2. (2) Vitreous china fixtures shall conform to ASME A112.19.2 / CSA B45.1, “Ceramic Plumbing Fixtures”. (3) Enamelled cast iron fixtures shall conform to ASME A112.19.1 / CSA B45.2, “Enamelled Cast Iron and Enamelled Steel Plumbing Fixtures”. (4) Porcelain enamelled steel fixtures shall conform to ASME A112.19.1 / CSA B45.2, “Enamelled Cast Iron and Enamelled Steel Plumbing Fixtures”. (5) Stainless steel fixtures shall conform to ASME A112.19.3 / CSA B45.4, “Stainless Steel Plumbing Fixtures”. (6) Plastic fixtures shall conform to CSA B45.5 / IAPMO Z124, “Plastic Plumbing Fixtures”. (7) Hydromassage bathtubs shall conform to ASME A112.19.7 / CSA B45.10, “Hydromassage Bathtub Systems”. (8) Macerating toilet systems shall conform to ASME A112.3.4 / CSA B45.9, “Plumbing Fixtures with Pumped Waste and Macerating Toilet Systems”.
Notes to Table 5.10.1.1.:
7.2.2.3. Showers (1) Shower receptors shall be constructed and arranged so that water cannot leak through the walls or floor. (2) Not more than six shower heads shall be served by a single shower drain. (3) Where two or more shower heads are served by a shower drain, the floor shall be sloped and the drain located so that water from one head cannot flow over the area that serves another head. (4) Except for column showers, when a battery of shower heads is installed, the horizontal distance between two adjacent shower heads shall be at least 750 mm.
Notes to Table 5.10.1.1.:
7.2.2.4. Concealed Overflows (1) A dishwashing sink and a food preparation sink shall not have concealed overflows.
Notes to Table 5.10.1.1.:
7.2.2.5. Water Closets in Public Washrooms (1) Except for Eastern-Style toilets, where a water closet is installed in a washroom for public use it shall be of the elongated type and provided with a seat of the open front type.
Notes to Table 5.10.1.1.:
7.2.2.6. Lavatories (1) A lavatory that does not have an overflow shall be equipped with a centre outlet waste fitting.
Notes to Table 5.10.1.1.:
7.2.2.7. Trough Urinals (1) No trough urinal shall be used as part of a plumbing system. 7.2.3. Traps and Interceptors
Notes to Table 5.10.1.1.:
7.2.3.1. Traps (1) Except as provided for in Sentence (2), every trap
shall, (a) have a trap seal depth of at least 38 mm, (b) be so designed that failure of the seal walls will cause exterior leakage, and (c) have a water seal that does not depend on the action of moving parts. (2) The trap seal depth on fixtures draining to an acid waste system shall be a minimum of 50 mm. (3) Except for a floor-mounted service sink, every
trap that serves a lavatory, a sink or a laundry tray shall, (a) be provided with a cleanout plug of a minimum ¾ in. size
located at the lowest point of the trap and of the same material as the trap, except that a cast iron trap shall be provided with a brass cleanout
plug, (b) be designed so that the trap dip can be completely removed for cleaning purposes, or (c) be provided with a cleanout installed above the floor as close as practical downstream of the trap when the trap is, (i) installed below the floor, and (ii) not readily accessible for cleaning as required by Clause (a). (4) A bell trap or an S-trap shall not be installed in a drainage system. (5) A drum trap shall not be installed in a drainage system. (6) Except as permitted in Sentence (7), no bottle trap shall be used in a plumbing system. (7) A bottle trap may be used on a laboratory sink or other fixture equipped with corrosion resistant fittings. (8) No running trap shall be installed in a plumbing system unless an accessible
handhole is provided for cleaning of the trap, and where the trap is too small to accommodate a handhole, a cleanout shall be provided.
Notes to Table 5.10.1.1.:
7.2.3.2. Interceptors (1) Every interceptor shall be designed so that it can be readily cleaned. (2) Every grease interceptor shall be designed so that it does not become air bound. (3) Where a grease
interceptor is required by Sentence 7.4.4.3.(1), the interceptor shall conform to, (a) CSA B481.1, “Testing and Rating of Grease Interceptors Using Lard”, or (b) CSA B481.2, “Testing and Rating of Grease Interceptors Using Oil”. (4) Grease interceptors shall be selected and installed in conformance with, (a) CSA B481.0, “Material, Design, and Construction Requirements for Grease Interceptors”, and (b) CSA B481.3, “Sizing, Selection, Location, and Installation of Grease Interceptors”.
Notes to Table 5.10.1.1.:
7.2.3.3. Tubular Traps (1) Tubular metal or plastic traps that conform to ASME A112.18.2 / CSA B125.2, “Plumbing Waste Fittings” shall be used in accessible locations. 7.2.4. Pipe Fittings
Notes to Table 5.10.1.1.:
7.2.4.1. T and Cross Fittings (1) A T fitting shall not be used in a drainage system except to connect a vent pipe. (2) A cross fitting shall not be used in a drainage system.
Notes to Table 5.10.1.1.:
7.2.4.2. Sanitary T Fittings (1) A double sanitary T fitting shall not be used to connect the fixture drains of two urinals where no cleanout fitting is provided above the connection. (2) No pipe fitting, joint or connection that would tend to intercept solids or reduce the flow through a pipe by more than 10 per cent shall be used in a plumbing system.
Notes to Table 5.10.1.1.:
7.2.4.3. 90° Elbows (1) Except as permitted in Sentences (2) and (3), 90° elbows of 4 in. size or less that have a centre-line radius that is less than the size of the pipe shall not be used to join two soil or waste pipes. (2) 90° elbows of 4 in. size or less in sanitary drainage systems may be used, (a) to change the direction of piping from horizontal to vertical, in the direction of flow, (b) where a trap arm enters a wall, or (c) to connect trap arms as permitted by Sentence 7.5.6.3.(2). (3) A 90° elbow that is part of the pre-engineered wastewater heat recovery system is permitted to have a centre-line radius that is less than the size
of the pipe.
Notes to Table 5.10.1.1.:
7.2.4.4. Fittings Restricted in Use (1) No double Y, double TY, double T or double waste fitting shall be installed in a nominally horizontal soil or waste pipe.
Notes to Table 5.10.1.1.:
7.2.4.5. Assembled Pipe or Tubing (1) Pipe or tubing assembled to comprise a standard drain waste and venting system shall be connected with drain, waste and vent fittings in conformance with Table 7.2.4.5. Table 7.2.4.5.   Pipe Arrangement for DWV Fittings Forming Part of Sentence 7.2.4.5.(1)  7.2.5. Non-Metallic Pipe and Fittings
Notes to Table 5.10.1.1.:
7.2.5.1. Reserved
Notes to Table 5.10.1.1.:
7.2.5.2. Reserved
Notes to Table 5.10.1.1.:
7.2.5.3. Concrete Pipe and Fittings (1) Concrete pipe shall conform to CSA-A257 Series, “Standards for Concrete Pipe and Manhole Sections”. (2) Joints with external elastomeric gaskets shall be made with corrosion resistant external band type flexible mechanical couplings that conform to CSA B602, “Mechanical Couplings for Drain, Waste, and Vent Pipe and Sewer Pipe”. (3) Concrete fittings field fabricated from lengths of pipe shall not be used. (4) Concrete pipe shall not be used above ground inside a building. (5) Precast reinforced circular concrete manhole sections, catch basins and fittings shall conform to CSA A257.4, “Precast Reinforced Circular Concrete Manhole Sections, Catch Basins, and Fittings”.
Notes to Table 5.10.1.1.:
7.2.5.4. Vitrified Clay Pipe and Fittings (1) Vitrified clay pipe and fittings shall be certified to CSA A60.1-M, “Vitrified Clay Pipe”. (2) Couplings and joints for vitrified clay pipe shall be certified to CSA A60.3-M, “Vitrified Clay Pipe Joints”. (3) Vitrified clay pipe and fittings shall not be used except for an underground part of a drainage system.
Notes to Table 5.10.1.1.:
7.2.5.5. Polyethylene Pipe and Fittings (1) Polyethylene water pipe, tubing and fittings shall be certified to, and have a pressure rating meeting the requirements of, Series 160 or a higher series of CSA B137.1, “Polyethylene (PE) Pipe, Tubing and Fittings for Cold Water Pressure Services”. (2) Except as permitted in Sentence 7.2.5.7.(1), polyethylene water pipe shall not be used except for a water service pipe. (3) Butt fusion fittings for polyethylene pipe shall conform to ASTM D3261, “Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing”.
Notes to Table 5.10.1.1.:
7.2.5.6. Polyethylene Pipe Used Underground (1) Polyethylene pipe used underground in a drainage system for rehabilitation of existing systems using trenchless technology shall conform to ASTM F714, “Polyethylene (PE) Plastic Pipe (DR-PR) Based on Outside Diameter” and shall be HDPE 3408, SDR 17 or heavier.
Notes to Table 5.10.1.1.:
7.2.5.7. Crosslinked Polyethylene Pipe and Fittings (1) Cross-linked polyethylene pipe and its associated fittings used in hot and cold potable water systems shall be certified to CSA B137.5, “Crosslinked Polyethylene (PEX) Tubing Systems for Pressure Applications”.
Notes to Table 5.10.1.1.:
7.2.5.8. PVC Pipe and Fittings (1) PVC water pipe, fittings and solvent cement shall be certified to CSA B137.3, “Rigid Polyvinylchloride (PVC) Pipe and Fittings for Pressure Applications” or CSA B137.2, “Polyvinylchloride (PVC) Injection-Moulded Gasketed Fittings for Pressure Applications”, and have a minimum pressure rating of 1 100 kPa. (2) PVC water pipe and fittings in Sentence (1) shall not be used in a hot water system.
Notes to Table 5.10.1.1.:
7.2.5.9. CPVC Pipe, Fittings and Solvent Cements (1) CPVC hot and cold water pipe, fittings and solvent cements shall be certified to CSA B137.6, “Chlorinated Polyvinylchloride (CPVC) Pipe, Tubing and Fittings for Hot and Cold Water Distribution Systems”. (2) The design temperature and design pressure of a CPVC piping system shall conform to Table 7.2.5.9. Table 7.2.5.9.   Maximum Permitted Pressure for CPVC Piping at Various Temperatures Forming part of Sentence 7.2.5.9.(2) Item   Column 1 Maximum Temperature of Water, °C   Column 2 Maximum Permitted Pressures, kPa 

  1.   10   3150 

  2.   20   2900 

  3.   30   2500 

  4.   40   2100 

  5.   50   1700 

  6.   60   1300 

  7.   70   1000 

  8.   82   690
Notes to Table 5.10.1.1.:
7.2.5.10. Plastic Pipe, Fittings and Solvent Cement Used Underground (1) Plastic pipe, fittings and solvent cement used underground outside a
building or under a building
in a drainage system shall be certified to, (a) ASTM F628, “Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste and Vent Pipe With a Cellular Core”, (b) CAN/CSA-B181.1, “Acrylonitrile-Butadiene-Styrene (ABS) Drain, Waste, and Vent Pipe and Pipe Fittings”, (c) CAN/CSA-B181.2, “Polyvinylchloride (PVC) and Chlorinated Polyvinylchloride (CPVC) Drain, Waste, and Vent Pipe and Pipe Fittings”, (d) CAN/CSA-B182.1, “Plastic Drain and Sewer Pipe and Pipe Fittings”, (e) CAN/CSA-B182.2, “PSM Type Polyvinylchloride (PVC) Sewer Pipe and Fittings”, (f) CAN/CSA-B182.4, “Profile Polyvinylchloride (PVC) Sewer Pipe and Fittings”, (g) CAN/CSA-B182.6, “Profile Polyethylene (PE) Sewer Pipe and Fittings for Leak-Proof Sewer Applications”, (g.1) CAN/CSA-B182.8, “Profile Polyethylene (PE) Storm Sewer and Drainage Pipe and Fittings”, for Type 1 joints and non-perforated pipes, (h) CSA B137.2, “Polyvinylchloride (PVC) Injection-Moulded Gasketed Fittings for Pressure Applications”, or (i) CSA B137.3, “Rigid Polyvinylchloride (PVC) Pipe and Fittings for Pressure Applications”. (2) Except as permitted in Clauses (h) and (i), plastic pipe used as described in Sentence (1) shall have a stiffness equal or greater than 320 kPa.
Notes to Table 5.10.1.1.:
7.2.5.11. Transition Solvent Cement (1) Solvent cement for transition joints shall conform to, (a) CAN/CSA-B181.1, “Acrylonitrile-Butadiene-Styrene (ABS) Drain, Waste, and Vent Pipe and Pipe Fittings”, or (b) CAN/CSA-B181.2, “Polyvinylchloride (PVC) and Chlorinated Polyvinylchloride (CPVC) Drain, Waste, and Vent Pipe and Pipe Fittings”. (2) Transition solvent cement shall only be used for joining an ABS plumbing system to a PVC plumbing system.