B-1.1, r. 2 - Construction Code

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10.24. A swimming pool must be designed in such a way as not to be accessible to the public outside opening hours. The enclosure used for that purpose must have a minimum height of 1.20 m and have no fixture, projection or opening enabling it to be climbed. It may, however, have openings provided that a spherical object of 100 mm in diameter cannot pass through them or, in the case of a chain link fence, that each link measures no more than 38 mm.
O.C. 115-2013, s. 1.