PART 5 — ENVIRONMENTAL SEPARATIONUpdated for the 2024 Ontario Building Code

5.2.2.1.Determination of Structural Loads and Effects

(1) Where materials, components or assemblies that separate dissimilar environments or are exposed to the exterior, or their connections, are required to be designed for structural loads, these loads shall be determined in accordance with Part 4. (2) Except as provided in Article 4.1.8.18., the structural loads referred to in Sentence (1) and their related effects shall include, (a) dead loads transferred from structural elements, (b) wind, snow, rain, hydrostatic and earth pressures, (c) earthquake effects for post-disaster buildings, depending on their intended function, (See Note A-5.2.2.1.(2)(c)) (d) live loads due to use and occupancy, and (e) loads due to thermal or moisture-related expansion and contraction, deflection, deformation, creep, shrinkage, settlement, and differential movement. (3) Where materials, components or assemblies that separate dissimilar environments or are exposed to the exterior, or their connections, can be expected to be subject to loads or other effects not otherwise described in this Subsection or in Part 4, such loads or other effects shall be taken into account in the design based on the most current and applicable information available.

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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.