pipeline Archives

Unrealistic risk assessment describing a rosy scenario

Keystone pipeline has spilled substantially more oil, and more often, than indicated in the risk assessments the company provided to regulators. But why and how a common risk assessment becomes an unrealistic risk assessment describing a rosy scenario? Indeed what regulators saw in the pre-construction project risk assessment was reportedly the following. “A spill of more than 50 barrels will occur “ not more than once every seven to 11 years over the entire length of the pipeline in the…