Code Library › Volume 1 › Section 3.17 — Demountable Stages and Demountable
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.17.2.8.Structural Provisions

(1) Except as provided in Sentences (2) and (4), demountable stages and demountable support structures and their structural members shall be designed, erected, assembled and installed (a) in conformance with Part 4, or (b) to conform to good engineering practice appropriate to the circumstances such as that described in ANSI E1.21, “Entertainment Technology - Temporary Structures Used for Technical Production of Outdoor Entertainment Events.” (2) The reference velocity pressure shall be the appropriate value determined in conformance with Subsection 1.1.2. based on a probability of being exceeded in any one year of 1-in-10 with a 2.5 gust factor. (3) For purposes of Clause (1)(a), demountable stages and demountable support structures shall be assigned a Normal Importance Category as described in Table 4.1.2.1. (4) Footings shall be designed in accordance with Clause 9.4.4.1.(1)(b).

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.