Sentence 7.2.3.2.(4) - Interceptors

New

New CSA B481.0 and CSA B481.3, have been added to govern the selection and installation of grease interceptors.

Article 7.2.5.1. - Asbestos-Cement Drainage Pipe and Fittings

Deletion

Reference standards related to asbestos-cement drainage pipe and fittings have been deleted.

Sentence 7.2.5.9.(2) - CPVC Pipe, Fittings and Solvent Cements

New

A new Table 7.2.5.9. has been added to provide the maximum permitted pressure for CPVC piping at various temperature ranges.

Clause 7.2.5.10.(1)(g.1) - Plastic Pipe, Fittings and Solvent Cement Used Underground

New

A new standard CAN/CSA-B182.8 has been added to permit the use of profile polyethylene storm sewer and drainage pipe and fittings.

Sentence 7.2.6.1.(3) - Cast Iron Drainage and Vent Pipe and Fittings

New

A new standard CAN/CSA-B70.1 regarding cast iron frames and covers for maintenance holes has been added.

Article 7.2.6.2. - Cast Iron Fittings for Asbestos-Cement Drainage Pipe

Deletion

The reference standard for cast iron fittings used with asbestos-cement piping has been deleted.

Articles 7.2.6.10. to 7.2.6.15. and 7.3.2.8. - Stainless Steel Pipes, Tubes, Joints, Fittings and Flanges

New

The use of stainless steel tubes and pipes is now addressed through reference to new stainless steel standards.

Sentence 7.2.7.4.(5) - Copper Tube

New

A new limitation has been added to prohibit the use of copper tube in fixture drain pipes or a portion of the vent pipe serving urinals.

Clause 7.2.10.2.(1)(a) - Screws, Bolts, Nuts and Washers

New

The method of installing water closets has been modified to allow for direct attachment to the floor flange.

Sentences 7.3.3.8.(1) and (4) - Connection of Floor Outlet Fixtures

New

Other means of connections to fixture drains are permitted and require that every floor flange and fixture be securely set on a firm base and fastened to the floor or trap flange of the fixture.

Sentence 7.3.4.3.(2) - Insulation of Support

New

This provision introduces new installation requirements for hangers or supports for stainless steel piping.

Clause 7.3.4.5.(2)(d) - Support for Horizontal Asbestos-Cement Piping

Deletion

Horizontal piping support for asbestos-cement drainage pipe have been deleted.

Clause 7.3.4.5.(2)(m) - Support for Horizontal Piping

New

New requirements for horizontal piping support for stainless steel pipes and tubes have been introduced.

Sentence 7.5.5.5.(2) - Provision for Future Installations

Clarification

The revision replaces the word “house” with “building”, since this requirement is applicable to all buildings.

Sentence 7.5.9.1.(1) - Air Admittance Valve as a Vent Terminal

New

The use of air admittance valves has been expanded to also allow dual vents.

Sentences 7.6.2.10.(1) and (4) - Vacuum Breakers and Flood Levels

New

Spill-resistant pressure vacuum breakers have been added.

Table 7.6.4.1. - Water Supply Fittings

New

Permitted maximum flow rates for lavatory faucets in residential and other occupancies have been reduced.

Sentences 7.6.4.1.(3) to (5) - Water Supply Fittings

New

Lavatories and showers for public use are now required to be equipped with an automatic shut-off when they are not in use.

Sentences 7.6.5.2.(2) to (4) - Showers

New

Thermal shock requirements for shower supply fittings have been introduced.

Sentence 8.7.3.2.(1) - Absorption Trenches

New

The centreline distances between absorption trenches have been changed for certain types of leaching chambers. This change came into effect on May 2, 2019.