S-3.1.01, r. 1 - Dam Safety Regulation

Section 58.1 Disposition versions

2023-07-06

58.1. In addition to the plans and specifications and the certificate required under section 6 of the Act, the following information and documents adapted and prepared specifically in relation to the proposed alteration must be submitted with an application for authorization for the structural alteration of a dam whose failure consequence category is “very low” or “low”, as indicated in the register, and that is not an associated dam, that is not an alteration under section 57:

(1)  a recommendation from the engineer in charge concerning the classification of the dam following the work;

(2)  the opinion of the engineer in charge concerning the stability of the dam and its foundation taking the nature of the proposed work into account;

(3)  detailed cost estimates of the proposed work.

In addition to the information and documents referred to in the first paragraph, if the structural alteration would change the safety check flood, the impounding capacity, the full supply level or the discharge capacity of the dam, the following documents must also be appended to the application for authorization:

(1)  the appropriate hydrologic and hydraulic studies;

(2)  the results of a topographic analysis of the reservoir rim;

(3)  if applicable, the recommendations of the engineer in charge as to the need for an intervention at the locations, on the reservoir rim, through which overflow could occur during a flood equal to the dam’s safety check flood.

O.C. 989-2023, s. 43.