Inspection and test of welds (Repealed)

The quality of welds and welder qualifications shall be checked by radiographic examination in accordance with the procedures set forth in the latest edition of API Standard. "Standard for Field Welding of Pipe Lines," or by complete removal of welds which shall meet the testing requirements outlined in the above welder qualification procedure and meet the requirements of the standard code. Not less than ten per cent of the welds between any two sectionalizing valves (block valves) shall be examined, the selection of which shall be in a manner that assures a representative sample of the work done by various welders or welding crews.