Boiler & Pressure Vessel Code, Rules for Construction of
Nuclear Power Plant Components Division 1,
Subsection ND, Class 3 Components

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Comments, Questions, and Answers on ASME ND Piping code in AutoPIPE

Item #1: Service Level C coincident pressure P differs from the Peak Pressure (Level A and B), specified which to used

Item #2: Find SIF use for stress calculations at each point

Item #3: Zero moment and its involvement in ASME ND eq. 10

Item #4: Non-repeated Anchor Movement (e.g. Building Settlement) eq.10a

Item #5: Building settlement

Item #6: Calculated allowable for "ASME ND (2007) PRE-VERIFICATION STRESS REPORT", Eq 8, Load case = GR

Item #7: Valve and Flange end connections availability between ASME NB - NC - ND

Item #8: Pre-verification report does not show if range moments (amb T1, amb T2…T1 toT2 …)

Item #9: ASME ND Sustained category combinations and pressure load

Item #10: Use of HDPE cold allowable

Item #11: Satisfy NB-3653.1 through NB-3653.6, using stress Summary A and B

Item #12: High CUF values caused by Forces / Moments having opposite signs about a Tee node point

Item #13: Results are given for Equations 10 and 11 (and 12 and 13 if 10 is non-compliant)

Item #14: Stress summary Eq.9 appears to be ranging

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