Method Of Repairing Welding Joint ✅
Step -1👇
Surface defects shall be identified during visual weld examination. Location of repair portion shall be marked and the weld defect shall be removed to sound metal. Repair welds shall be made using the welding procedure of the original joint by a qualified welder.
Step -2👇
Defects that are not depend to the surface shall be identified by RT, UT or MT will be marked and grinding shall be carried out until the defects is detected and excavated to ensure the removal of defects to the full extent, suitable NDT method (PT) may be applied prior to start welding. Repair welds shall be made using the welding procedure of the original joint by a qualified welder.
Step -3👇
Preheating and Heat treatment shall be as required for the original welding as per approved WPS.
Step -4👇
After welding appropriate NDT shall be carried out to check the integrity of the repair weld .
Step -5👇
If the joint is partial repair the defected area shall be marked for repair.
Step -6👇
If the joint is full repair, the joint will be cut-out and re fit-up shall be checked by Welding inspector and released for welding.
Step -7👇
Welding inspector approval is required to do the welding of cut-out joints.
Step -8👇
Prior to start the welding of cut-out joints Welding inspector will give enough awareness for the particular welder not to repeat the repair.
Step -9👇
After the repairing of joints it shall be visually inspected by Welding inspector for initial acceptance.
Step -10👇
The same shall be offered for radiography examination.
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