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Faster execution since no major cutout is required.
Volumetric inspection verifying internal weld quality, ensuring no subsurface slag inclusions or lack of fusion. Mandatory for full-penetration flush patches
This rulebook is for new pressure vessels. It defines the original material properties, design formulas (like in mandatory Appendix 2 for bolted flanges), allowable stresses, weld joint efficiencies (e.g., from Table UW-12 ), and the required nondestructive examination (NDE). In a repair, it is not the primary guide but rather the source for many technical specifications.
I -- Follows<br>Original Design --> J[Repair]; I -- Deviates from<br>Original Design --> K[Alteration];
: The original construction code for most pressure vessels. While it focus on new builds, it sets the baseline for design stress and material requirements that a patch must meet.
Faster execution since no major cutout is required.
Volumetric inspection verifying internal weld quality, ensuring no subsurface slag inclusions or lack of fusion. Mandatory for full-penetration flush patches
This rulebook is for new pressure vessels. It defines the original material properties, design formulas (like in mandatory Appendix 2 for bolted flanges), allowable stresses, weld joint efficiencies (e.g., from Table UW-12 ), and the required nondestructive examination (NDE). In a repair, it is not the primary guide but rather the source for many technical specifications.
I -- Follows<br>Original Design --> J[Repair]; I -- Deviates from<br>Original Design --> K[Alteration];
: The original construction code for most pressure vessels. While it focus on new builds, it sets the baseline for design stress and material requirements that a patch must meet.
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