Energy Supply, Reliability, Safety

Feb 26, 2014  Comment

Today's question: Are there cracks in the concrete of the Whitehorse dam?

Thanks for the question. Just to be clear, the actual dam in Whitehorse is not made of concrete; it is an earthen dam. What I think you are referring to are the concrete spillgates adjacent to the dam.

I suspect this question comes because of this week's earthquake in the Destruction Bay area. The quake measured 4.8 on the Richter scale at the epicentre and 4.5 in Destruction Bay itself.

After any nearby earthquake, we conduct a thorough inspection of our generating facilities. In this case we inspected both the Aishihik and Whitehorse facilities and did not find any cracks resulting from the earthquake. 


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