4.1.1.5.Design Basis

(1) Except as provided in Sentence (2), buildings and their structural members shall be designed in conformance with
  the procedures and practices provided in this Part.

    (2) Provided the design is carried out by a person especially qualified in the specific methods applied and provided the
    design demonstrates a level of safety and performance in accordance with the requirements of this Part, buildings and
    their structural components falling within the scope of this Part that are not amenable to analysis using a generally
    established theory may be designed by,
    (a) evaluation of a full-scale structure or a prototype by a loading test, or
    (b) studies of model analogues.
    (See Note A-4.1.1.5.(2))

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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.