No it was US steel, but third party special inspection was pushed aside by the contractors and welders unions in favor of their own CWI training certs as sufficient, third party quality control Ultrasonic Testing is a thing of the past
but most likely cause is a wacky grandiose architectural design that sacrifices structural integrity
18 posted on 09/25/2018 8:03:14 PM PDT by KTM rider
( .......than to post and remove all doubt)