Division B
Acceptable Solutions

Part 9 — Housing and Small Buildings

Section 9.31. Plumbing Facilities

9.31.1. Scope

9.31.1.1. Application

1) This Section applies to the plumbing facilities and plumbing systems within dwelling units.

2) In occupancies other than dwelling units, plumbing facilities, grab bars, floor drains, and floor and wall finishes around urinals shall conform to Subsection 3.7.2. (See also Article 3.7.2.10. regarding accessible plumbing facilities.)

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2) In occupancies other than dwelling units, plumbing facilities, grab bars, floor drains, and floor and wall finishes around urinals shall conform to Subsection 3.7.2. (See also Article 3.7.2.10. regarding accessiblebarrier-free plumbing facilities.)

3) Medical gas piping systems shall conform to Subsection 3.7.3.

4) Systems used for service water heating shall conform to the energy efficiency requirements in Section 9.36.

9.31.2. General

9.31.2.1. General

1) The construction, extension, alteration, renewal or repair of plumbing systems and sewage disposal systems shall conform to Part 7.

9.31.2.2. Corrosion Protection

1) Metal pipes in contact with cinders or other corrosive material shall be protected by a heavy coating of bitumen or other corrosion protection.

9.31.2.3. Grab Bars

1) When provided, grab bars shall be capable of resisting a load of not less than 1.3 kN applied vertically or horizontally.

9.31.3. Water Supply and Distribution

9.31.3.1. Required Water Supply

1) Every dwelling unit shall be supplied with potable water.

9.31.3.2. Required Connections

1) Where a piped water supply is available, piping for hot and cold water shall be connected to every kitchen sink, lavatory, bathtub, shower, slop sink and laundry area.

2) Piping for cold water shall be run to every water closet.

9.31.4. Required Facilities

9.31.4.1. Required Fixtures

1) A kitchen sink, lavatory, bathtub or shower, and water closet shall be provided for every dwelling unit where a piped water supply is available.

9.31.4.2. Hot Water Supply

1) Where a piped water supply is available a hot water supply shall be provided in every dwelling unit.

9.31.4.3. Floor Drains

1) Where gravity drainage to a sewer, drainage ditch or dry well is possible, a floor drain shall be installed in a basement forming part of a dwelling unit.

2) A floor drain shall be provided in a garbage room, incinerator room or boiler room serving more than one dwelling unit.

9.31.5. Sewage Disposal

9.31.5.1. Building Sewer

1) Wastes from every plumbing fixture shall be piped to the building sewer.

9.31.5.2. Discharge of Sewage

1) Building sewers shall discharge into a public sewage system where such system is available.

2) Where a public sewage system is not available, the building sewer shall discharge into a private sewage disposal system.

9.31.6. Service Water Heating Facilities

9.31.6.1. Hot Water Supply

1) Where hot water is required to be supplied in accordance with Article 9.31.4.2., equipment shall

a) provide an adequate supply of hot water, and

b) be installed in conformance with Part 7.

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1) Where hot water is required to be supplied in accordance with Article 9.31.4.2., equipment shall

a) provide an adequate supply of hot water, and

b) be installed in conformance with Part 7.

9.31.6.2. Equipment and Installation

1) Service water heaters shall conform to appropriate provincial or territorial requirements or, in the absence of such requirements, to Book II (Plumbing Systems) of this Code.

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1) Service water heaters shall conform to appropriate provincial or territorial requirements or, in the absence of such requirements, to Book II (Plumbing Systems) of this Codethe National Plumbing Code of Canada 2010.

2) The installation of service water heaters, including provisions for mounting, clearances and air supply, shall conform to the requirements of

a) CSA B139, “Installation Code for Oil-Burning Equipment,”

b) the Safety Standards Act and the following of its regulations:

i) the Gas Safety Regulation for the installation of natural gas- and propane- burning service water heaters,

ii) the Electrical Safety Regulation,

iii) the Power Engineers, Boiler, Pressure Vessel and Refrigeration Safety Regulation, and

c) CAN/CSA-B365, “Installation Code for Solid-Fuel-Burning Appliances and Equipment.”

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2) The installation of service water heaters, including provisions for mounting, clearances and air supply, shall conform to the requirements ofappropriate provincial or territorial requirements or, in the absence of such requirements, to

a) CSA B139, “Installation Code for Oil-Burning Equipment,”

b) the Safety Standards Act and the following of its regulations:CSA B139, “Installation Code for Oil-Burning Equipment,”

i) the Gas Safety Regulation for the installation of natural gas- and propane- burning service water heaters,

ii) the Electrical Safety Regulation,

iii) the Power Engineers, Boiler, Pressure Vessel and Refrigeration Safety Regulation, and

c) CAN/CSA-B365, “Installation Code for Solid-Fuel-Burning Appliances and Equipment.”

d) CAN/CSA-B365, “Installation Code for Solid-Fuel-Burning Appliances and Equipment,” or

e) CSA C22.1, “Canadian Electrical Code, Part I.”

3) Where the building is in a location where the spectral response acceleration, S_a(0.2), is greater than 0.55, service water heaters shall be secured to the structure to prevent overturning. (See Appendix A.)

9.31.6.3. Corrosion-Resistant Coating

1) Where storage tanks for service water heaters are of steel, they shall be coated with zinc, vitreous enamel (glass lined), hydraulic cement or other corrosion-resistant material.

9.31.6.4. Fuel-Burning Heaters

1) Fuel-burning service water heaters shall be connected to a chimney flue conforming to Section 9.21.

9.31.6.5. 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.