Calculate required NDT coverage percentage and number of welds to examine per code requirements
Input Parameters
Results
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Joints to Examine
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Actual Coverage
%
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Spot Exam Joints
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Code Requirement
Note: When a spot-examined weld is rejected, two additional welds by that welder must be examined. If either fails, 100% examination is required for that welder per ASME B31.3 para 341.3.4.
Reference
ASME B31.3 Table 341.3.2:
Normal fluid: 5% RT/UT
Category D: VT only
Category M (lethal): 100% RT/UT
High Pressure: 100% RT/UT
Joints to examine = Total x Coverage%
Spot exam per ASME B31.3 para 341.3.4