This isn't the first time Knight Piesold has had an incident after handing over control to another firm and after warnings about capacity issues.
Quote:
Knight Piésold says that it wrote the B.C. government in 2010, just before leaving the operation, to warn that “the embankments and the overall tailings impoundment are getting large and it is extremely important that they be monitored, constructed and operate properly to prevent problems in the future.”
The B.C. government says it inspected the dam 33 times after Knight Piésold raised its concerns, including a geotechnical survey in 2013 and eight inspections in 2014.
This would mean that any modifications to structure, volume or operation in the three years before the dam’s collapse occurred under the regulatory oversight of the provincial Mines Ministry.
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Vancouver Sun story...
So,