Div. B › Part 9 › 9.8 › 9.8.3 — Stair Configurations

9.8.3.2 — Minimum Number of Risers

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(1) Except for stairs within a dwelling unit, at least three risers shall be provided in interior flights.

Defined terms on this page

dwelling unit

means a suite operated as a housekeeping unit, used or intended to be used by one or more persons and usually containing cooking, eating, living, sleeping and sanitary facilities.

flight

means a series of steps between landings.

riser

means a water distributing pipe that extends through at least one full storey, as defined in Part 7 of Division B.

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