First of all, you should qualify the welding process before the start of the project then, you also have to perform the NDT in accordance with the applicable construction code. RT or UTcould do the job depending on the wall thickness.
J Mbe
QA/QC Engineer
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De : Mony Kandan <monykandan@gmail.com>
À : materials-welding@googlegroups.com
Envoyé le : Lundi 26 août 2013 8h24
Objet : [MW:18513] Back gouge requirement of Tank girth weld
Dear Experts ,
Kindly suggest on following issue
In our project we have API 650 Tank installation ,during construction activities the contractor didn't carried out backgouge grinding in girth weld .The process used for saw welding and they made welding simultaneously inside and outside,and joint configaration like that square butt weld.During fit up activites buttering also done to maintained the gap without any NDT .How we have to ensure that weld is sound weld or not.please give your valuable reply with any code reference.
Thanks and Regards
Monykandan.T
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