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[MW:10815] NCR & SDR

By Materials & Welding
Dear experts,
 
                 As we all know that NCR we raise incase of something are not met the project specifications. Now I was asked to raise site defiency report! I have noticed small bucking like at the end of piping spool that we will use for fabrication.
 
Can anybody explain me more about these? if possibe some tips which will help me how to prepare NCR and SDR in detail?
 
What are the main points should I write in it?
 
Thanks in advance.
regards
Ilangkumaran

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