ASME PCC 2 Pressure Equipment Repair Appreciation Training Course. – Try the Quiz

Repairs to Pressure Equipment: ASME PCC 2 Pressure Equipment Repair and In-Service Repair Codes.

In the real world of plant operation, pressure equipment items commonly suffer corrosion, erosion, or mechanical damage and have to be repaired. For equipment built to a pressure equipment code (ASME, EN etc.) the objective is to carry out repair welding to the original code requirements. In many cases, this will not be possible so the ‘Post-Construction Committee’ (PCC) has created many helpful standards to assist those in the selection, design and testing of repairs, such as ASME PCC 2 Pressure Equipment Repair.

ASME PCC-2  Repairs to Pressure Equipment and Piping is a fantastic tool to use when it comes to repairs.

Try these three quiz questions about the requirements of PCCs for welded repairs.

Q1. Fillet-welded patches

According to API codes, which of these items are allowed to have fillet-welded ‘lap’ patches added as a permanent repair for wall-thinning corrosion?

1. Pipework
2. Unfired pressure vessels
3. Atmospheric oil storage tanks
4. None of the above

Qu 2: Scope of Post Construction Committee (PCC) Standards

When following post construction/in-service repair procedures to conduct field welded repairs, one criterion of the construction code which is commonly overridden is:

1. PWHT requirements
2. Welding consumable P-No
3. Welder qualifications
4. WPS essential variables

Qu3. Pipework welded repairs

Which of these is only allowed as a temporary repair on process pipework?

1. Flush ‘insert’ patches
2. Grinding out a through-wall defect and rewelding
3. Full encirclement welded split sleeve
4. Weld overlay

How did you do?

Qu 1. Ans c. API 653 allows fillet welded patches to be permanent on storage tanks. API 510 and 570 define them as temporary on vessels and pipework.

Qu 2. Ans (a). PCC-2 and API codes both give alternatives for replacing construction-code PWHT. They would not override the others as this would be more likely to affect weld integrity.

Qu 3. Ans c, from API 570. The others are allowed as permanent repairs on pipework as they fully restore the original strength.

If you didn’t get them all right; try a couple more questions and our 5-MINUTE COACHING presentation  over at the hub.

Want to learn more about the procedures and repair options? Our ASME PCC-2 appreciation course has been delivered to many Clients across the globe, bring their repair design in-house. Find out how this course can help you by contacting us today.