jswizzle3737/ontario_laws_and_regs huggingface dataset:
9.31.4.3. Hot Water Supply (1) In a dwelling unit with a water distribution system, a hot water supply shall be provided. (2) A water distribution system supplying hot water to plumbing fixtures shall conform to the requirements in Subsection 7.6.5.
9.31.4.4. Floor Drains (1) 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 possible, the floor drain in Sentence (1) shall be connected to the sanitary drainage system. (3) Where gravity drainage to a sanitary drainage system is not possible, the floor drain in Sentence (1) is permitted to be connected to a storm drainage system, dry well or drainage ditch. (4) A floor drain shall be provided in a public laundry room, garbage room, incinerator room, boiler or heating room, serving more than one dwelling unit.
9.31.4.5. Required Facilities at Recreational Camps and a Camp for Housing of Workers (1) A minimum of one water closet or privy shall be provided (a) for every ten campers of each sex in a recreational camp, and (b) for every ten employees of each sex in a camp for housing of workers. (2) In recreational camps and a camp for housing of workers, at least two lavatories or provision for a pail or other portable container of sound construction shall be provided for each of the water closets or privies required in Sentence (1). (3) A camp for housing of workers shall (a) have at least one shower or other area of bathing, and (b) provide for at least one washing machine or laundry tub for every fifteen beds. 9.31.5.Reserved 9.31.6.Service Water Heating Facilities
9.31.6.1. Hot Water Temperature (1) Where a hot water supply is required by Article 9.31.4.3., equipment shall be installed to provide to every dwelling unit an adequate supply of service hot water with a temperature range from 45°C to 60°C.
9.31.6.2. Supply Source (1) Service hot water is permitted to be distributed from a centrally located heater to supply the entire building or may be supplied by an individual service water heater for each dwelling unit.
9.31.6.3. Equipment and Installation (1) Every service water heater and its installation shall conform to Part 7. (2) Reserved (3) Where a building is located in seismic zone 4, 5, or 6, service water heaters shall be anchored to the structure to prevent overturning or breaking of gas, oil or electrical lines.
9.31.6.4. Corrosion-Resistant Coating (1) Where storage tanks for service water heaters are steel, they shall be coated with zinc, vitreous enamel (glass lined), hydraulic cement or other corrosion-resistant material.
9.31.6.5. Fuel-Burning Heaters (1) Fuel-burning service water heaters shall be connected to a chimney flue conforming to Section 9.21.
9.31.6.6. Heating Coils (1) Heating coils of service water heaters shall not be installed in a flue or in the combustion chamber of a boiler or furnace heating a building. Section 9.32.Ventilation 9.32.1.General
9.32.1.1. Application (1) This Section applies to the ventilation of rooms and spaces in residential occupancies by natural ventilation and to self-contained mechanical ventilation systems serving only one dwelling unit. (2) Mechanical ventilation systems, other than self-contained systems serving single dwelling units, shall conform to Part 6. (3) Ventilation of rooms and spaces in other than residential occupancies shall conform to Part 6. (4) A storage garage for more than 5 cars shall be ventilated in accordance with Part 6.
9.32.1.2. Mechanical Ventilation for Dwelling Units (1) Every dwelling unit that is supplied with electrical power shall be provided with a mechanical ventilation system in accordance with Subsection 9.32.3.
9.32.1.3. Ventilation of Rooms and Spaces (1) Except as permitted in Sentence (2), rooms or spaces in a dwelling unit shall be ventilated by natural means in accordance with Subsection 9.32.2. (2) The natural ventilation of rooms or spaces required in Sentence (1) may be provided by mechanical means. (3) Where a room or space is not provided with natural ventilation as described in Sentence (1), mechanical ventilation shall be provided to exhaust inside air from or to introduce outside air to that room or space at the rate of one-half air change per hour if the room or space is mechanically cooled in summer, and one air change per hour if it is not. 9.32.2.Natural Ventilation
9.32.2.1. Natural Ventilation Area (1) The unobstructed openable ventilation area to the outdoors for rooms and spaces in residential buildings ventilated by natural means shall conform to Table 9.32.2.1. Table 9.32.2.1. Natural Ventilation Forming Part of Sentence 9.32.2.1.(1)  Location

Minimum   Unobstructed Area


Within   dwelling   unit

Bathrooms or water closet rooms

0.09 m2


Unfinished basement space

0.2 per cent of the floor area


Dining rooms, living rooms, bedrooms, kitchens, combined rooms, dens, recreation rooms and all other finished rooms

0.28 m2 per room or combination of rooms


Other than   within   dwelling   unit

Bathrooms or water closet rooms

0.09 m2 per    water closet


Sleeping areas

0.14 m2 per occupant


Laundry rooms, kitchens,   recreation rooms

4 per cent of the floor area


Corridors, storage rooms and other similar public rooms or spaces

2 per cent of the floor area


Unfinished basement space not used on a shared basis

0.2 per cent of the floor area


Column 1

2

3 (2) Where a vestibule opens directly off a living or dining room within a dwelling unit, ventilation to the outdoors for such rooms may be through the vestibule.
9.32.2.2. Protection from Weather and Insects (1) Openings for natural ventilation other than windows shall be constructed to provide protection from the weather and insects. (2) Screening shall be of rust-proof material. 9.32.3.Mechanical Ventilation
9.32.3.1. General (1) For the purposes of this Subsection a non-solid fuel-fired appliance shall be classified as (a) direct vented whereby the combustion air is supplied directly from the outdoors to the combustion chamber via a sealed passageway, and the products of combustion are exhausted directly outdoors through an independent sealed vent, (b) mechanically vented induced draft whereby combustion air is supplied from within the building envelope and the products of combustion are positively conveyed to the outdoors by means of a dedicated sealed vent, or (c) natural draft whereby combustion air is supplied from within the building envelope and the products of combustion are conveyed to the outdoors through a chimney or Type B vent. (2) For the purposes of this Subsection a dwelling unit shall be categorized as (a) Type I when (i) all fuel-fired combustion appliances located in the dwelling unit are direct vented or except for fireplaces, are mechanically vented induced draft, and (ii) the dwelling unit does not contain a solid fuel-fired combustion appliance, (b) Type II when a solid fuel-fired combustion appliance is installed in a Type I dwelling unit, (c) Type III when a mechanically vented induced draft non-solid fuel-fired fireplace or a natural draft appliance is present, or (d) Type IV when electric space heating is present.
9.32.3.2. Required Mechanical Ventilation (1) The mechanical ventilation system required in Article 9.32.1.2. shall comply with (a) Part 6, or (b) this Subsection for a mechanical ventilation system in a Type I, Type II or Type IV dwelling unit.
9.32.3.3. Total Ventilation Capacity (1) The minimum total ventilation capacity of the ventilation system required in Clauses 9.32.3.2.(1)(b) shall be the sum of the individual room capacities given in Table 9.32.3.3. Table 9.32.3.3. Ventilation Capacity Forming Part of Sentence 9.32.3.3.(1)  Room

Capacity, L/s


Master bedroom(1)

10


Other bedrooms

5


Living room(2)

5


Dining room(2)

5


Kitchen

5


Family Room(2)

5


Recreation room

5


Basement(3)

10


Other habitable rooms(4)

5


Bathroom or water closet room

5


Laundry room

5


Utility room

5


Column 1

2 Notes to Table 9.32.3.3.: (1)At least one bedroom in each dwelling unit shall be designated as the master bedroom. (2)Ventilation capacities assigned to any combined living/dining or family/dining space shall be determined as if the spaces were individual rooms. (3) Where a basement incorporates rooms of the types designated in this Table, the assigned ventilation capacities for each room shall be as specified for those types of rooms. Basement areas used for other purposes that exceed 2/3 of the total basement floor area shall be assigned a fan capacity of 10 L/s. Those that are less than 2/3 of the total floor area shall be assigned 5 L/s. (4) Other habitable rooms shall be assigned a ventilation capacity of 5 L/s. This does not include spaces intended solely for access, egress, storage or service equipment.
9.32.3.4. Principal Exhaust (1) A principal exhaust fan shall be installed and shall be rated to provide not less than the capacity given in Table 9.32.3.4.A. Table 9.32.3.4.A. Principal Exhaust Fan Capacity Forming Part of Sentence 9.32.3.4.(1)  Number of Bedrooms in Dwelling Unit

Capacity, L/s


1

15


2

22.5


3

30


4

37.5


More than 4

Part 6 design


Column 1

2 (2) Except as permitted in Sentence (3), the principal exhaust fan shall be controlled by a manual switch. (3) A principal exhaust fan required under this Article may be controlled by a dehumidistat or other automatic control device where the manual switch required in Sentence (2) is capable of activating the fan regardless of the setting of the automatic control. (4) The switches required in Sentences (2) and (3) shall be centrally located in the dwelling unit and shall be identified with the words VENTILATION FAN. (5) The principal exhaust required in this Article may be provided by means of a heat recovery ventilator installed in accordance with Article 9.32.3.11. (6) Where the installed capacity of the principal exhaust fan exceeds the minimum capacity required in Sentence (1) by more than 50%, the control required in Sentence (2) shall include provision to allow reduction of the flow to within ±10% of the minimum capacity specified in Sentence (1). (7) Where an exhaust air intake for the principal exhaust fan is connected directly to the duct system of a forced air heating system or other central air circulating system, it shall (a) be connected to the return air side of the system, and (b) be connected not less than 1 000 mm upstream from any outdoor air supply duct. (8) Where an exhaust air intake for the principal exhaust fan is located in the kitchen, it shall be located in the ceiling or on the wall within 300 mm of the ceiling. (9) Single or multiple exhaust ducts serving the principal exhaust fan required by Sentence (1) shall be sized according to Part 6 except that they may be sized according to Table 9.32.3.4.B. where (a) the longest total duct length, from intake grille to outdoor hood, does not exceed 12 m, and (b) the number of elbows does not exceed 4, but, in any case, they shall not be smaller than recommended by the manufacturer of the fan. Table 9.32.3.4.B. Principal Exhaust Duct Size Forming Part of Sentence 9.32.3.4.(9)  Number of   Bedrooms in   Dwelling Unit

Minimum Exhaust Duct Diameter


Ducts Connected to Inlet and   Outlet of Principal Exhaust Fan

Ducts Connected to One Side
Only of Principal Exhaust Fan


Smooth Duct,   mm

Flexible Duct,   mm

Smooth Duct,   mm

Flexible Duct,   mm


1

100

125

100

125


2

125

150

125

150


3

125

150

150

175


4

150

175

150

175


More than 4

Part 6 Design

Part 6 Design

Part 6 Design

Part 6 Design


Column 1

2

3

4

5 (10) In applying Table 9.32.3.4.B. (a) where there is more than one exhaust air inlet duct connected directly to the fan, the diameter of the inlet ducts may be decreased by 25 mm, and (b) where the exhaust duct is connected to the duct system of a forced air heating system, the duct diameter shall be increased by 25 mm.
9.32.3.5. Supplemental Exhaust (1) Additional supplemental exhaust capacity shall be installed as necessary so that the total capacity of all kitchen, bathroom, water closet room and other supplemental exhaust air inlets is not less than the total ventilation capacity, as required in Article 9.32.3.3., minus the principal exhaust fan capacity, as required in Article 9.32.3.4. (2) An exhaust air intake shall be installed in each kitchen, bathroom and water closet room. (3) Where the intake for a supplemental exhaust fan other than a range hood or range-top fan is installed in a kitchen, it shall be installed in the ceiling or on the wall within 300 mm of the ceiling. (4) Exhaust ducts serving the required kitchen, bathroom, water closet room and other supplemental exhaust air inlets shall be sized according to Part 6 except that they may be sized according to Table 9.32.3.5. where (a) the total duct length does not exceed 9 m, and (b) the number of elbows does not exceed 4, but, in any case, they shall not be smaller than recommended by the manufacturers of the fans. Table 9.32.3.5. Kitchen, Bathroom and Water Closet Room Exhaust Duct Size Forming Part of Sentence 9.32.3.5.(4)  Fan Capacity,   L/s

Minimum Exhaust Duct Diameter(1)


Ducts Connected to Inlet & Outlet of Exhaust Fan, mm

Ducts Connected to One Side Only of Exhaust Fan, mm


25

125

125


50

150

150


Column 1

2

3 Note to Table 9.32.3.5.: (1)Where flexible duct is used, the duct diameter shall be increased by 25 mm. (5) A supplemental exhaust fan required by this Article shall be provided with a manual switch located in the same room as the exhaust air inlet. (6) Where a supplemental fan required by this Article is controlled by a dehumidistat or other automatic control in addition to the manual switch required by Sentence (5), the manual switch shall be capable of activating the fan regardless of the setting of the automatic control. (7) Supplemental exhaust required in this Article may be provided by means of a heat recovery ventilator installed in accordance with Article 9.32.3.11.
9.32.3.6. Ventilation Systems Coupled with Forced Air Heating Systems (1) This Article applies to a mechanical ventilation system in a dwelling unit that contains a forced air heating system and the forced air heating system is used for delivery of ventilation air. (2) In a Type I dwelling unit, a ventilation supply inlet is not required. (3) In a Type II dwelling unit, the mechanical ventilation system shall include a heat recovery ventilator, coupled to the forced air heating system, installed in accordance with Article 9.32.3.11. (4) The forced air heating system circulation fan shall be controlled by a manual switch located adjacent to the ventilation fan switch required in Sentence 9.32.3.4.(4). (5) The switch required in Sentence (4) shall be identified by the words CIRCULATION FAN.
9.32.3.7. Ventilation Systems Not Coupled with Forced Air Heating Systems (1) This Article applies to a mechanical ventilation system in a dwelling unit that (a) does not contains a forced air heating system, or (b) contains a forced air heating system and the forced air heating system is not used for circulation of the ventilation air. (2) The mechanical ventilation system shall introduce air to and circulate air throughout the dwelling unit in compliance with this Article. (3) The mechanical system in this Article shall include a heat recovery ventilator installed in accordance with Article 9.32.3.11. (4) Outdoor air shall be distributed by a ductwork system from the heat recovery ventilator required in Sentence (3) to each bedroom, to any storey without a bedroom and, if there is no storey without a bedroom, to the principal living area. (5) A supply duct from the outdoors to the heat recovery ventilator required and a main distribution trunk duct shall be provided and shall be sized according to Part 6, except that, the supply duct and the main distribution trunk duct may be sized according to Table 9.32.3.7.A. where (a) the total duct length from the outdoor hood to any supply register does not exceed 21 m, and (b) the total number of fittings does not exceed 8. Table 9.32.3.7.A. Minimum Outdoor Air Supply and Main Trunk Duct Sizes Forming Part of Sentence 9.32.3.7.(5)  Number of   Bedrooms in   Dwelling Unit

Minimum Outdoor Air Supply   and Main Distribution   Trunk Duct Diameter, mm


1

150


2

150


3

175


4

175


More than 4

Part 6 design


Column 1

2 (6) The outside air supply duct required by Sentence (5) shall not be considered to provide combustion and/or dilution air to fuel-burning appliances. (7) Branch supply ducts leading from the main distribution trunk duct required by Sentence (5) to the rooms to which outdoor air is to be distributed shall be provided and shall be sized according to Part 6 except that the branch supply ducts may be sized according to Table 9.32.3.7.B where (a) the total duct length from outdoor hood to supply register does not exceed 21 m, and (b) the total number of fittings does not exceed 8. Table 9.32.3.7.B. Minimum Branch Supply Duct Sizes Forming Part of Sentence 9.32.3.7.(7)  Room, Space   or   Storey Served

Minimum Branch Supply Duct Diameter


1 and 2 Bedroom Dwelling Units, mm

3 and 4 Bedroom   Dwelling Units, mm


Master bedroom

100

100


Other bedrooms

75

75


Storey with no bedrooms or living area

75

100


Column 1

2

3 (8) In applying Sentence (7), where the dwelling unit has more than 4 bedrooms, ducting shall be sized according to Part 6. (9) All branch supply ducts which are not fitted with diffusers with adjustable balance stops shall be supplied with accessible dampers which can be adjusted and fixed in their adjusted positions and which include devices to indicate the positions of the dampers. (10) Provision shall be made for the free flow of air to all rooms by leaving gaps beneath doors, using louvred doors or installing grilles in doors.
9.32.3.8. Protection Against Depressurization (1) When determining the need to provide protection against depressurization, consideration must be given to (a) whether the presence of soil gas is deemed to be a problem, and (b) the presence of solid fuel-fired combustion appliances. (2) Revoked: O. Reg. 283/01, s. 5 (1). (3) Revoked: O. Reg. 283/01, s. 5 (1). (4) Revoked: O. Reg. 283/01, s. 5 (1). (5) Revoked: O. Reg. 283/01, s. 5 (1). (6) Where a solid fuel-fired combustion appliance is installed, the ventilation system shall include a heat recovery ventilator which is designed to operate so that the flow of exhaust air does not exceed the flow of intake air in any operating mode, and which complies with the requirements of Article 9.32.3.11.
9.32.3.9. Fan Ratings (1) Except as provided in Sentence (3), capacity and sound ratings for required fans shall be determined in accordance with CAN/CSA-C260, “Rating the Performance of Residential Mechanical Ventilating Equipment”. (2) Capacity ratings for required fans shall be based on a static pressure differential of 50 Pa, 25 Pa or 7.5 Pa depending on whether the fan is installed with ductwork connected on both sides, one side or neither side, respectively. (3) Except for heat recovery ventilators, exhaust fans required to make up any part of the total ventilation capacity required by Article 9.32.3.3. shall have a sound rating not greater than that specified in Table 9.32.3.9. Table 9.32.3.9. Fan Sound Rating Forming Part of Sentence 9.32.3.9.(3)  Type of Fan

Maximum Sound
Ratings


Sone

dBA


Principal exhaust

2.5

55


Kitchen

3.5

60


Bathroom or water closet room

2.5

55


Supply

2.5

55


Column 1

2

3 (4) Required fans shall be installed according to the manufacturer’s instructions. (5) Mechanical ventilation devices shall conform to CSA-C22.2 No. 113, “Fans and Ventilators”.
9.32.3.10. Ducts (1) Ventilation ducts shall conform to the requirements of Part 6 for supply ducts except that exhaust ducts that serve only a bathroom or water closet room may be of combustible material provided the duct is reasonably airtight and constructed of a material impervious to water. (2) Exhaust ducts shall not discharge into heated or unheated enclosed spaces. (3) Where an exhaust duct passes through or is adjacent to unheated space, the duct shall be insulated to not less than RSI 0.5. (4) Where a supply duct carrying outdoor air that is not tempered or not mixed with indoor air passes through heated space, it shall be insulated to not less than RSI 0.5 except that, where such a duct is exposed in the heated space for more than 3 m of length in the heated space, it shall be insulated to not less than the values listed in Table 9.32.3.10.A. Table 9.32.3.10.A Insulation of Fresh Air Supply Ducts Forming Part of Sentence 9.32.3.10.(4)  Outside Winter Design Temperature   as per Article 2.5.1.1.(1), oC

Minimum Thermal   Resistance, RSI


–7 to –11

0.5


–12 to –17

0.9


–18 to –24

1.2


–25 to –29

1.4


–30 to –34

1.8


–35 and colder

2.1


Column 1

2 Note to Table 9.32.3.10.A: (1)The outside winter design temperatures shall be those listed for the January 2.5 per cent values. (5) A kitchen exhaust duct not equipped with a filter at the inlet end shall be designed and installed so that the entire duct can be cleaned. (6) Ductwork for range hoods and range-top fans shall be of noncombustible, corrosion-resistant material and shall lead directly to the outdoors without connection to other exhaust fans or ducts. (7) Ductwork for range hoods and range-top fans shall be equipped with a grease filter at the intake. (8) All ductwork shall be permanently supported or clipped to prevent sagging, excessive movement and vibration. (9) All ducting connected to supply and exhaust fans shall be constructed so as to inhibit air leakage at joints. (10) Where rectangular duct is used in place of round duct, it shall be selected according to Table 9.32.3.10.B. Table 9.32.3.10.B Equivalent Duct Sizes Forming Part of Sentence 9.32.3.10.(10)  Required Round   Duct Size, mm

Permitted Equivalent Rectangular Duct Size, mm


Stack Duct

100 mm Depth

125 mm Depth

150 mm Depth


75

82 x 250

57 x 100

 

 


100

82 x 250

89 x 100

75 x 125

75 x 150


125

82 x 250

125 x 100

100 x 125

89 x 150


150

82 x 300

200 x 100

150 x 125

125 x 150


175

82 x 350

275 x 100

200 x 125

175 x 150


More Than 175

Part 6 Design

Part 6 Design

Part 6 Design

Part 6 Design


Column 1

2

3

4

5
9.32.3.11. Heat Recovery Ventilators (1) Where a heat recovery ventilator is installed to provide all or part of the requirements of this Subsection, this Article shall apply. (2) Heat recovery ventilators shall be designed to provide a minimum 55% sensible heat recovery efficiency when tested to the low temperature thermal and ventilation performance test method set out in CAN/CSA-439-M, “Standard Methods of Test for Rating the Performance of Heat Recovery Ventilators”, at a Station 1 test temperature of −25°C at an air flow not less than 30 L/s. (3) Where a heat recovery ventilator is connected to a forced air heating system, the supply side of the ventilator shall be directly connected to the return air side of the forced air heating system. (4) Two or more heat recovery ventilators shall not be connected in parallel air flow to a common air supply duct unless specifically recommended by the manufacturer. (5) Two or more heat recovery ventilators shall not be connected in parallel air flow to a common downstream exhaust duct. (6) Heat recovery ventilators installed in unheated spaces shall be installed so as to avoid condensation of moisture on fans and motors in exhaust air, in accordance with the manufacturer’s instructions. (7) All start-up procedures recommended by the manufacturer including air balancing and air-flow determination shall be followed. (8) Free flow of condensate shall be provided in accordance with the manufacturer’s recommendations or, in their absence, a condensate drain of minimum 1/2 inch nominal pipe size pitched in the direction of flow and complete with a trap or condensate pump with sufficient capacity shall be installed. (9) The heat recovery ventilator and all condensate lines shall be installed in a space where the ambient temperature will not adversely affect the operation of the system. (10) When operating at the rate required in Article 9.32.3.4., the supply and exhaust airflow rates of the heat recovery ventilator shall be balanced so that the value of the lesser flow shall be at least 90% of the value of the greater flow, unless otherwise recommended by the manufacturer.
9.32.3.12. Outdoor Intake and Exhaust Openings (1) Separate air intake and exhaust outlet openings, when located on the same wall or roof, shall be installed so as to avoid contamination of the ventilation air by the exhaust air. (2) Intake openings shall be located so as to avoid contamination of the ventilation air from other local sources such as automobile exhausts and exhaust from adjacent buildings. (3) The distance from the bottom of an air intake opening to finished ground level or to any nearer and lower permanent horizontal surface shall be not less than 450 mm or the depth of expected snow accumulation, whichever is greater. (4) The distance separating air intakes from building envelope penetrations that are potential sources of contaminants, such as gas vents or oil fill pipes, shall be not less than 900 mm. (5) Air intakes shall be clearly labelled as such for identification from locations outside the dwelling unit. (6) The distance from the bottom of an exhaust outlet to finished ground level or to any nearer and lower permanent horizontal surface shall be not less than 100 mm. (7) Where air intake and exhaust openings are in exposed locations, provision shall be made to protect them from the entry of precipitation by the use of louvres, weather cowls or other suitable protection. (8) Air intake openings shall incorporate screens or grilles to protect against the entry of animals and insects. (9) Except for exhaust outlets serving heat recovery ventilators, exhaust outlets shall incorporate backdraft dampers. (10) Where a backdraft damper required by Sentence (9) is not located at the building envelope, the exhaust outlet shall incorporate a screen, located at the building envelope, to protect against the entry of animals. (11) Where a screen or grille required by Sentences (8) and (10) has a mesh size of less than 6 mm, the screen or grille shall be removable for cleaning. (12) The gross area of the screens or grilles installed in intake and exhaust openings shall be three times that of the duct served. (13) Screens and grilles shall be of corrosion-resistant material. (14) The net free area of an air intake or exhaust outlet shall be equal to or greater than the cross-sectional area of the duct served.
9.32.3.13. Installation (1) Installation of fans and heat recovery ventilators shall be in accordance with manufacturer’s instructions for minimizing noise and vibration transmission and achieving the required sound rating. (2) Where flow-regulating dampers are required, they shall be adjustable and accessible without requiring the removal of fans, motors, or insulating materials and without the need for specialized tools. (3) Ventilation equipment shall be accessible for inspection, maintenance, repair and cleaning. (4) Ventilation equipment installed in unheated spaces shall be installed so as to avoid condensation of moisture on fans and motors in accordance with the manufacturer’s instructions. Section 9.33.Heating and Air-Conditioning 9.33.1.General
9.33.1.1. Design and Installation Requirements (1) The design and installation of central heating systems including requirements for combustion air, shall conform to the requirements in Part 6 and to this Section. (2) The design and installation of air-conditioning systems shall conform to Part 6. (3) Repairs, adjustments or component replacements that change the capacity or extent of safety of an existing heating, ventilating or air-conditioning system and that alter the method of operation shall conform to this Code.
9.33.1.2. Solid Fuel-Burning Appliances (1) The design and installation of solid-fuel burning stoves, ranges and space heaters, including the requirements for combustion air, shall conform to CAN/CSA-B365-M, “Installation Code for Solid-Fuel Burning Appliances and Equipment”. 9.33.2.Required Heating Systems
9.33.2.1. Residential Heating Systems (1) Residential buildings intended for use in the winter months on a continuing basis shall be equipped with heating facilities conforming to this Section. 9.33.3.Design Temperatures
9.33.3.1. Indoor Design Temperatures (1) At the outside design temperature, required heating facilities shall be capable of maintaining an indoor air temperature of not less than (a) 22°C in all living spaces, (b) 22°C in unfinished basements, and (c) 15°C in heated crawl spaces.
9.33.3.2. Outdoor Design temperatures (1) The outdoor conditions to be used in designing heating, ventilating and air-conditioning systems shall be the appropriate values for the Municipality as set out in Section 2.5 Climatic Data, using 2.5 per cent design temperature criteria. 9.33.4. Carbon Monoxide Detectors
9.33.4.1. 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.
9.33.4.2. Location of Carbon Monoxide Detectors (1) Where a fuel-burning appliance is installed in a suite of residential occupancy, a carbon monoxide detector 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 detector 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 detector shall be installed adjacent to each sleeping area in every suite of residential occupancy that is adjacent to the storage garage. (4) Where a storage garage serves only the dwelling unit to which it is attached or built in, a carbon monoxide detector shall be installed adjacent to each sleeping area in the dwelling unit.
9.33.4.3. Installation and Conformance to Standards (1) The carbon monoxide detector required by Article 9.33.4.2. shall (a) be permanently connected to an electrical circuit and shall have no disconnect switch between the overcurrent device and the carbon monoxide detector, (b) be wired so that its activation will activate all carbon monoxide detectors 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 adjacent to a sleeping area, and (d) conform to (i) CAN/CGA-6.19, “Residential Carbon Monoxide Detectors”, (ii) CSA 6.19, “Residential Carbon Monoxide Alarming Devices”, or (iii) UL 2034, “Single and Multiple Station Carbon Monoxide Detectors”. Section 9.34.Electrical Facilities 9.34.1.General
9.34.1.1. Reserved
9.34.1.2. Required Facilities (1) Where electrical services are available, electrical facilities shall be provided for every building in conformance with this Section.
9.34.1.3. Location of Equipment in Public Areas (1) Entrance switches, meters, panel boxes, splitter boxes, time clocks and other similar equipment shall not be located in any public area unless adequate precautions are taken to prevent interference with the equipment.
9.34.1.4. Recessed Lighting Fixtures (1) Recessed lighting fixtures shall not be located in insulated ceilings unless the fixtures are designed for such installations.
9.34.1.5. Wiring and Cables (1) Except for dwelling units and except as required in Sentence (2), electrical wiring and cables installed in buildings permitted to be of combustible construction shall conform to Sentence 3.1.4.3.(1). (2) Where a concealed space in a floor or ceiling assembly is used as a plenum, electrical wiring and cables within the plenum shall conform to Sentence 3.6.4.3.(1). 9.34.2.Lighting Outlets
9.34.2.1. Lighting of Entrances (1) An exterior lighting outlet with fixture controlled by a wall switch located within the building shall be provided at every entrance to buildings of residential occupancy.
9.34.2.2. Outlets in Dwelling Units (1) Except as provided in Sentence (2), a lighting outlet with fixture controlled by a wall switch shall be provided in kitchens, bedrooms, living rooms, utility rooms, laundry rooms, dining rooms, bathrooms, water-closet rooms, vestibules and hallways in dwelling units. (2) Where a receptacle controlled by a wall switch is provided in bedrooms or living rooms, such rooms need not conform to the requirements of Sentence (1).
9.34.2.3. Stairways (1) Every stairway shall be lighted. (2) Except as provided in Sentence (3), 3-way wall switches located at the head and foot of every stairway shall be provided to control not less than one lighting outlet with fixture for stairways with 4 or more risers in dwelling units. (3) The stairway lighting for basements that do not contain finished space or lead to an outside entrance or built-in garage and which serve not more than one dwelling unit is permitted to be controlled by a single switch located at the head of the stairs.
9.34.2.4. Basements (1) A lighting outlet with fixture shall be provided for each 30 m2 or fraction thereof of floor area in unfinished basements. (2) The outlet required in Sentence (1) nearest the stairs shall be controlled by a wall switch located at the head of the stairs.
9.34.2.5. Storage Rooms (1) A lighting outlet with fixture shall be provided in storage rooms.
9.34.2.6. Garages and Carports (1) A lighting outlet with fixture shall be provided for an attached, built-in or detached garage or carport. (2) Except as provided in Sentence (3), lighting outlets required in Sentence (1) shall be controlled by a wall switch near the doorway. (3) Where the lighting outlet and fixture required in Sentence (1) are ceiling mounted above an area not normally occupied by a parked car; or are wall mounted, a fixture with a built-in switch is permitted to be used. (4) Where a carport is lighted by a light at the entrance to a dwelling unit, additional carport lighting is not required.
9.34.2.7. Public and Service Areas (1) Every public or service area in buildings, including a recreational camp and a camp for housing of workers, shall have lighting outlets with fixtures controlled by a wall switch or panel. (2) When provided by incandescent lighting, illumination required in Sentence (1) shall conform to Table 9.34.2.7. (3) When other types of lighting are used, illumination equivalent to that shown in Table 9.34.2.7. shall be provided. Table 9.34.2.7. Lighting for Public Areas Forming Part of Sentences 9.34.2.7.(2) and (3)  Room or Space

Minimum Illumination, 1 x

Minimum Lighting Power Density, W/M2 of floor area (incandescent lighting)


Storage rooms

50

5


Service rooms and laundry areas

200

20


Garages

50

5


Public water-closet rooms

100

10


Service hallways and stairways

50

5


Recreation rooms

100

10


Recreational camps and camps for housing of workers hallways, corridors, stairways and sleeping areas

100

10


Kitchen

500

50


All other rooms

250

25


Column 1

2

3
9.34.2.8. Motion Sensors (1) Lighting installed to provide the minimum illumination levels required by this Part may be controlled by motion sensors except where the lighting is installed in an exit. (2) Where motion sensors are used to control minimum lighting in a public corridor or corridor providing access to exit for the public, the motion sensors shall be installed with switch controllers equipped for fail-safe operation and illumination timers set for a minimum 15-minute duration. (3) A motion sensor shall not be used to control emergency lighting. 9.34.3.Emergency Lighting
9.34.3.1. Emergency Lighting (1) Emergency lighting shall conform to Subsection 9.9.11. 9.34.4.Service Entrance Requirements
9.34.4.1. Meter Mounting Device (1) Except in the case of externally mounted read-outs, each new residential consumer service of 200 amperes or less shall have a meter mounting device located outdoors in an accessible location. (2) For the purposes of this Subsection, the front of the building is the side nearest the utility distribution line.
9.34.4.2. Location of Meter Mounting Device (1) Meter mounting devices shall be installed on the wall of the building or where that is not possible, on a separate support, so that the midpoint of the meter after installation will be 1 750 mm ± 100 mm from finished grade. (2) Meter mounting devices shall be located not more than 3 m back from the front of the single family and semi-detached homes.
9.34.4.3. Location of Consumer Service Standpipe (1) For an underground supply, the bottom of the consumer service standpipe shall be located not more than 3 m from the corner of the building. (2) For an overhead supply, the top of the consumer service standpipe shall be located not more than 3 m from the corner of the building except that where this location does not permit a 4.5 m clearance at the point of attachment of the service conductors to the building, the top of the standpipe may be extended to a point not more than half way along the building.
9.34.4.4. Meter Mounting Device (1) The meter mounting device shall be (a) one hundred ampere capacity except when the service equipment is to be greater, (b) standardized for each service size, and (c) capable of accepting 2 in. IPS conduit of steel, aluminum, copper or PVC if intended for underground service entrance.
9.34.4.5. Underground Service (1) For consumer services supplied underground (a) a 2 in. IPS steel, aluminum, copper or PVC conduit shall be attached to the bottom of the meter-mounting device and shall terminate in the earth at a point at least 900 mm below grade and a conduit bushing shall be attached to the conduit in the earth, and (b) the conductors on the line side of the meter and those on the load side of the meter shall not be installed in the same conduit. Section 9.35.Garages and Carports 9.35.1.Scope
9.35.1.1. Application (1) This Section applies to garages and carports serving not more than 1 dwelling unit.
9.35.1.2. Construction Requirements (1) The construction of a garage or carport shall conform to the requirements for other buildings in this Part except as provided in this Section. 9.35.2.General
9.35.2.1. Carport Considered to be Garage (1) Where a roofed enclosure used for the storage or parking of motor vehicles has more than 60 per cent of the total perimeter enclosed by walls, doors or windows, the enclosure shall be considered a garage.
9.35.2.2. Garage Floor (1) Where an attached or built-in garage is provided, the garage floor shall be sloped to drain liquids to the outdoors. 9.35.3.Foundations
9.35.3.1. Foundation Required (1) Except as permitted in this Subsection, foundations conforming to Sections 9.12. and 9.15. shall be provided for the support of carport and garage super-structures, including that portion beneath garage doors.
9.35.3.2. Protection from Damage due to Soil Movement (1) In clay-type soils subject to significant movement with a change in soil moisture content, the foundation depth of carports or garages connected to a dwelling unit directly or by a breezeway shall be approximately the same depth as the main building foundation. (2) Where slab-on-ground construction is used, a construction joint shall be provided between the main building slab and the garage or breezeway or carport slab. (3) Except as provided in Section 9.12., foundations for attached unheated garages or carports shall be below frost level.
9.35.3.3. Small Garages (1) Detached garages of less than 50 m2 floor area and not more than 1 storey in height may be supported on wood mud sills provided the garage is not of masonry or masonry veneer construction.
9.35.3.4. Column Piers (1) Piers for the support of carport columns shall extend not less than 150 mm above ground level. (2) Piers referred to in Sentence (1) shall project not less than 25 mm beyond the base of the column but in no case be less than 190 mm by 190 mm in size. 9.35.4.Walls and Columns
9.35.4.1. Interior Finish (1) Interior finish need not be applied to garage and carport walls.
9.35.4.2. Columns (1) Columns for garages and carports shall conform to Section 9.17, except that 89 mm by 89 mm wood columns may be used.
9.35.4.3. Anchorage (1) Garage or carport walls and columns shall be anchored to the foundation to resist wind uplift in conformance with Subsection 9.23.6., except that where a garage is supported on the surface of the ground, ground anchors shall be provided to resist wind uplift. Section 9.36.Cottages 9.36.1.Scope
9.36.1.1. Application (1) This Section applies to buildings of residential occupancy used or intended to be used as seasonal recreational buildings. (2) The buildings described in Sentence (1) shall comply with all the requirements of this Part, except where they are specifically exempted in this Section. 9.36.2.General
9.36.2.1. Exclusions (1) Except as provided in Articles 9.36.3.1. and 9.36.2.4. and Subsection 9.10.15., buildings used or intended to be used as seasonal recreational buildings need not comply with Sections 9.5. to 9.7. and 9.9. to 9.11. (2) Flooring need not comply with Section 9.30., but tight-fitting floors shall be provided to support the live and dead loads. (3) Except as provided in Sentences (4) and (5), thermal insulation, vapour barrier, air-barrier construction, interior finishes, plumbing, heating, mechanical ventilation, air-conditioning and electrical facilities, need not be provided, but where any of these are provided, they shall comply with the requirements of this Part. (4) Where heating and air-conditioning are provided, Article 9.33.3.1. need not be complied with. (5) Where thermal insulation is provided, the minimum thermal resistance of insulation in Table 9.25.2.1. need not be provided.
9.36.2.2. Foundations (1) Continuous perimeter foundation walls are not required, but when they are provided, they shall comply with the requirements of this Part. (2) Where unit masonry columns are used, the height of such columns shall not exceed (a) in the case of hollow masonry units, 4 times the least dimension of the units, (b) in the case of solid masonry units or hollow units with voids filled with concrete, 10 times the least dimension of the column, or (c) where the column is reinforced with at least four 13 mm diameter bars and filled with concrete, 18 times the least dimension of the column. (3) Columns in excess of the height limitations of Clause (2)(a), (2)(b), or (2)(c) shall be designed in accordance with Part 4.
9.36.2.3. Waterproofing and Dampproofing (1) Where foundations below ground level and concrete floors on grade are used, they shall comply with Section 9.13., “Waterproofing and Dampproofing”.
9.36.2.4. Smoke Alarms (1) Every dwelling unit within the scope of this Section shall be provided with a smoke alarm in accordance with Subsection 9.10.18. 9.36.3.Tourist Accommodation
9.36.3.1. Buildings for Seasonal Tourist Accommodation or for Rent (1) Where buildings are used or intended to be used for seasonal tourist accommodation or for rent, they shall comply with Sections 9.5. to 9.8. in addition to the requirements of this Section. Section 9.37.Log Construction 9.37.1.General
9.37.1.1. Material Requirements (1) Logs which are sound and free of fractures may be used for foundations, beams, posts and similar members providing it can be shown by a structural analysis or tests or previous experience that the strength of the member is adequate for its intended purposes.
9.37.1.2. Requirement for Wood Preservative (1) The portion of any log coming in contact with masonry or concrete at or below grade shall be treated with a wood preservative to prevent decay.
9.37.1.3. Exterior Joints (1) All exterior joints between logs shall be rendered water-tight by methods such as machined joints, oakum packing, cement parging, chinking, caulking or a combination of these. 9.37.2.Walls
9.37.2.1. Logs (1) Walls may be built of natural or manufactured logs.
9.37.2.2. Attachment of Logs (1) Walls made of logs in a horizontal position shall have interlocking intersections which will prevent the collection of water in the joints, or the horizontal logs shall butt to a vertical corner post to which the horizontal logs shall be firmly attached.
9.37.2.3. Joining Logs (1) Each log in a horizontal position shall be scribed as close as possible to its bearer and fastened to the bearer in at least three places throughout its length, by dowels, continuous machined joints, vertical framing members or interlocking intersections or any combination of these, but in no case shall the distance between fastenings exceed 1 800 mm.
9.37.2.4. Vertical Logs (1) Each log in a wall built of vertical logs shall be scribed to fit as closely as possible to the adjacent logs.
9.37.2.5. Plates (1) Logs used in a vertical position shall have a plate at the top and a plate at the bottom, which are at least as wide as the largest end diameter of any of the logs. 9.37.3.Lintels
9.37.3.1. Support Over Openings (1) Logs placed in vertical position shall be supported over window and door openings by lintels meeting the requirements of Tables A13 to A20.
9.37.3.2. Clearance (1) At every opening in a wall made of logs in a horizontal position where shrinkage can occur there shall be a clearance between the rough buck header and the lintel log of not less than 13 mm in width for each 300 mm of height to allow for settlement. Section 9.38.Thermal Design 9.38.1.Scope
9.38.1.1. Application (1) This Section applies to the thermal design of a building of residential occupancy where such design is an alternative to the thermal insulation requirements of Section 9.25. 9.38.2.General
9.38.2.1. Materials and Installation (1) The materials for, and the installation of, thermal insulation and vapour barrier protection shall conform to Section 9.25.
9.38.2.2. Protection of Foamed Plastic (1) Foamed plastic thermal insulation shall be protected as described in Article 9.10.16.10.
9.38.2.3. Crawl Spaces (1) Crawl spaces shall comply to Section 9.18.
9.38.2.4. Roof Spaces (1) Roof spaces shall comply to Section 9.19.
9.38.2.5. Ventilation (1) Ventilation requirements shall comply to Section 9.32 except as provided in Subsection 9.38.7.
9.38.2.6. Heating and Air-Conditioning (1) Heating and air-conditioning requirements shall comply to Section 9.33. 9.38.3.Thermal Resistance of Assemblies
9.38.3.1. Thermal Resistance (1) Except as provided in Articles 9.38.3.2. to 9.38.3.6., and except for doors, windows, skylights and other closures, the thermal resistance of each building assembly through any portion that does not include framing or furring shall conform to Table 9.38.3.1. Table 9.38.3.1. Minimum Thermal Resistance, RSI Value Forming Part of Sentence 9.38.3.1.(1)  Building Assembly

Maximum Number of Celsius Degree Days

Electric Space   Heating


Up to 5000

Above 5000


Ceiling below attic or roof space

5.6

6.9

7.20


Roof assembly without attic or roof space

3.8

3.8

4.15


Wall other than foundation wall

3.45

4.3

5.15


Foundation walls enclosing heated space

1.7

2.4

3.54


Floor, other than slab-on-ground

4.7

4.7

4.7


Slab-on-ground(1)

 

 

 


- containing pipes or heating ducts

2.11

2.11

2.11


- not containing pipes or heating ducts

1.76

1.76

1.76


Column 1

2

3

4 Note to Table 9.38.3.1.: (1)“RSI value” shown for slab-on-ground is for rigid insulation.
9.38.3.2. Metal Framing Elements Acting as Thermal Bridge (1) Except as provided in Article 9.38.3.3., the thermal resistance of the insulated portion of a building assembly in Sentence 9.38.1.1.(1) that incorporates metal framing elements, such as steel studs and steel joists, that act as thermal bridges to facilitate heat flow through the assembly, shall be 20 per cent greater than the values shown in Table 9.38.3.1., unless it can be shown that the heat flow is not greater than the heat flow through a wood frame assembly of the same thickness.
9.38.3.3. Insulated Thermal Bridges (1) Article 9.38.3.2. does not apply for building assemblies incorporating thermal bridges where the thermal bridges are insulated to restrict heat flow through the thermal bridges by a material providing a thermal resistance at least equal to 25 per cent of the thermal resistance required for the insulated portion of the assembly in Article 9.38.3.1.