Plumbing Facilities
Scope
(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 Section 3.8. regarding barrier-free plumbing facilities.)
(3)Medical gas piping systems shall conform to Subsection 3.7.5.
General
(1)The construction, extension, alteration, renewal or repair of plumbing systems and sewage disposal systems shall conform to Part 7.
(1)Metal pipes in contact with cinders or other corrosive material shall be protected by a heavy coating of bitumen or other corrosion protection.
(1)When provided, grab bars shall be capable of resisting a load of not less than 1.3 kN applied vertically or horizontally.
Water Supply and Distribution
(1)Every dwelling unit shall be supplied with a water distribution system where a drinking water system is available.
(1)Where a water distribution system 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.
Required Facilities
(1)A kitchen sink, lavatory, bathtub or shower, and water closet shall be provided for every dwelling unit where a water distribution system is available.
(1)Laundry facilities or a space for laundry facilities shall be provided in every dwelling unit or grouped elsewhere in the building in a location conveniently accessible to occupants of every dwelling unit.
(1)Where a water distribution system is available a hot water supply shall be provided in every dwelling unit.
(2)A water distribution system supplying hot water to plumbing fixtures shall conform to the requirements in Subsection 7.2.10.
(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.
Service Water Heating Facilities
(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.
(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.
(2)An electric storage-type service water heater shall have a minimum set storage temperature of 60°C.
(1)Every service water heater and its installation shall conform to Part 7.
(3)Where the building is in a location where the spectral response acceleration, Sa(0.2), is greater than 0.55, service water heaters shall be secured to the structure to resist overturning. (See Note A-9.31.6.2.(3))
(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.
(1)Fuel-burning service water heaters shall be connected to a chimney flue conforming to Section 9.21.
(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.