Code Library › Volume 1 › Section 9.17 — Columns
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.17.1.1.Application

(1) This Section applies to columns used to support (a) beams carrying loads from not more than 2 wood-frame floors where (i) the supported length of joists bearing on such beams does not exceed 5 m, and (ii) the live load on any floor does not exceed 2.4 kPa, (See Table 4.1.5.3.) (b) beams or header joists carrying loads from not more than 2 levels of wood-frame balconies, decks or other accessible exterior platforms, or 1 level plus the roof, where (i) the supported length of joists bearing on such beams or joists does not exceed 5 m, (ii) the sum of the specified snow and occupancy loads does not exceed 4.8 kPa for the determination of load on platform-type constructions, and (See Sentence 9.4.2.3.(1)) (iii) the platform serves only a single suite of residential occupancy, or (c) carport roofs. (See Section 9.35.) (2) Columns for applications other than as described in Sentence (1) shall be designed in accordance with Part 4.

This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.

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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.