Required Floors-on-Ground

(1)  All spaces within dwelling units, except crawl spaces, shall be provided with a floor-on-ground, where,

    (a)   access is provided to the space, and               

(b) a floor supported by the structure is not provided

Article 9.16.1.3 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.