Updates to referenced documents

Updates documents referenced in the National Model Codes.
Description of the updates to referenced documents.

National Building Code of Canada

Fixed seating in assembly occupancies (Part 3)

Updates the requirements for fixed seating in assembly occupancies to further align with common industry practice and the requirements of NFPA 101, “Life Safety Code.”

Gendered washrooms (Part 3)

Clarifies the requirement for a minimum number of water closets and that non-gendered washrooms are permitted in buildings.

Penetrations (Part 3)

Clarifies that, where a fire alarm system is required, the permitted service penetrations in a portion of a building are required to be firestopped in accordance with Subsection 3.1.9.

Size limit for open stringers in stairs (Part 3)

Limits the size of the triangular openings formed by the stair risers and treads and bottom element of a required guard to align the requirement with existing Part 9 provisions.

Tactile direction indicators (Part 3)

Introduces the requirement that tactile direction indicators, where used, should be configured and installed in accordance with CSA B651, “Accessible design for the built environment,” for consistent and appropriate directional messaging.

Wind resistance of vegetated roof assemblies (Part 5)

Clarifies the requirements for determining the acceptable wind loads for the design of vegetated roof assemblies.

Self-service storage buildings (Part 9)

Clarifies that the applicable fire-protection requirements for self-service storage buildings fall under Part 3.

Structural design (Part 9) – wall studs

Updates Table to clarify that 38 mm × 140 mm studs spaced at 400 mm on centre may be used in exterior walls to support only a roof or a roof plus one floor.

National Fire Code of Canada

Non-fixed seating in assembly occupancies (Part 2)

Updates the requirements for seating in assembly occupancies to further align with common industry practice and the requirements of NFPA 101, “Life Safety Code,”
that apply specifically to non-fixed seating.

Vent pipe outlets for storage tanks (Part 4)

Harmonizes the requirements for vent pipe outlets of aboveground and underground storage tanks; and clarifies that emergency vent outlets connected to a secondary containment of a double-walled storage tank are not required to discharge outside buildings.

National Plumbing Code of Canada

Protection of potable water (Part 2)

Adds references to NSF/ANSI/CAN 61, “Drinking Water System Components – Health Effects,” to address the protection of potable water from chemical contamination.

Relief valves on hot water tanks (Part 2)

Introduces the requirement that relief valves for hot water tanks be connected to a discharge pipe that runs down the length of the tank to divert the steam or hot water that may be released to a proper discharge location.

National Energy Code of Canada for Buildings

Application of lighting requirements (Part 4)

Extends the application of the Part 4 requirements for lighting components and systems to those that are in the building, connected to the building’s electrical service or located on the building site.

Part-load performance of boilers and furnaces (Part 8)

Incorporates return-hot-water temperature into the calculation of the part-load performance of boilers and furnaces.