S-3.1.01, r. 1 - Dam Safety Regulation

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20. For the purposes of this subdivision, unless the context requires otherwise,
erodible dam means a dam one of the components of which, including the supports of the dam, is not designed for overflow and the erosion of which would cause a dam failure in a flood; (barrage susceptible d’érosion)
safety check flood is the flood that a dam must be capable of withstanding under extreme conditions while continuing to operate safely, accepting some damage and a reduction in safety factors but without causing dam failure. (crue de sécurité)
O.C. 300-2002, s. 20; O.C. 989-2023, s. 14.
20. For the purposes of this subdivision, unless the context requires otherwise,
“erodible dam” means a dam with an earthfill or rockfill component that is not designed for overflow and the erosion of which would cause a dam failure in a flood; (barrage susceptible d’érosion)
“safety check flood” is the flood that a dam must be capable of withstanding under extreme conditions while continuing to operate safely, accepting some damage and a reduction in safety factors but without causing dam failure. (crue de sécurité)
O.C. 300-2002, s. 20.