29. Realistic and conservative methods and assumptions based on good practice must be used in the calculations demonstrating the structural and foundation stability of a dam in earthquake conditions. Calculations must be based on the full supply level and be accompanied by the opinion of the engineer in charge on the liquefaction potential of the dam and its foundation and the data on which that opinion is based.
The seismic coefficients (k) to be applied in the pseudostatic analysis vary according to the seismic zone in which the dam is located and are indicated on the map appearing in Schedule I. The coefficients may also be determined, for each dam site, from peak ground acceleration data established by the Geological Survey of Canada for a return period of 2,500 years.
O.C. 300-2002, s. 29; O.C. 402-2011, s. 5.