Inspections by the safety agency found TransCanada wasnt using approved welding procedures to connect pipes, the letter said. The company had hired welders who werent qualified to work on the project because TransCanada used improper procedures to test them, the letter said. In order to qualify to work on a pipeline, welders must have recent experience using approved welding procedures and pass a test of their work. The weld failure rates are horrible, said Robert Bea, professor emeritus of civil and environmental engineering at the University of California, Berkeley. The level of defects is indeed cause for alarm and indicative of something that is going on in the Keystone organization that isnt satisfactory.
Posted on: Tue, 27 May 2014 17:23:13 +0000
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