B-1.1, r. 2 - Construction Code

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10.05. The basin of the swimming pool, taking its useful life into account, must
(a)  be constructed in such a way as to have sufficient structural resistance and integrity to safely withstand all the loads, effects and other forces that may be reasonably expected;
(b)  be designed to avoid resonance; and
(c)  be waterproof, durable and smooth, without cracks, corners or sharp edges.
O.C. 115-2013, s. 1.