Yes if the other essential performance qualification parameters (process, F no, P No etc) are not altered
Dr. G. Dilintas - Authorized Inspector Supervisor
I&F Regional Technical Manager
Bureau Veritas Piraeus - Greece
Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
Ahmed Husain <ahmraha@yahoo.com>
Sent by: materials-welding@googlegroups.com 07/11/2010 12:38
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Dear All,
I need your valuable information/comment on following case.
There is a situation where 2 welders are qualified to weld 12mm thick. Ifthe job thickness is 20 mm and dia, say is 36", contractor divide the joint in half. First simultaneously, each will weld approx 10mm thick including root half the circum, as they are qualified in 12 mm only. Then the interchange their location and they will complete the remaining welding. Basically these 2 welders who are qualified upto 12 mm are welding 20mm thickness joint, but at any given location they are welding 10mm thickness.
Is this practice is acceptable.
Regards,
Ahmed H.
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