Dear All Experts,
Ref Code: ASME Sec VIII, Div 1, latest Edition
Refer to UW-51 which states that a written Procedure is not required for Radiographic Examination.
Refer to UW-53 which states that a written Procedure is required for Ultrasonic Examination and shall be demostrated.
Query: As I understand that Radiography Examination is having predominate over UT Examination for all Pressure Vessel as per this division, but as per UW-51 it does not require any written Procedure. Why? I think it should be the vice versa. Please explain.
Addtion Question:
1. Do we require a UT Procedure to be demostrated for U-Stamp Pressure Vessel? If so, how to prepare a mock up and please provide a reference in ASME for preparation of mock-up.
2. What is the limitation of Pressure Boundry in Pressure Vessel? Is it the first welding ? Does further nozzle or pipe spool includes in the Pressure Vessel? Refer to Attachment.
Hope to see positive response from every end.
Thanks & Regards
Vino - Doha
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