Crawlspace Drainage

(1)  Except where it can be shown to be unnecessary, the ingress of water into a crawl space shall be controlled by grading or drainage.

    (2)  Drainage of foundation walls shall conform to Article 9.14.2.1.

    (3)  Drainage of the ground cover or floor-on-ground in the crawl space shall conform to Subsection 9.16.3.      

    (4)  Drains shall conform to Section 9.14.

Article 9.18.5.1 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.