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
- Service Level C coincident pressure P differs from the Peak Pressure (Level A and B), specified which to used
- Find SIF use for stress calculations at each point
- Zero moment and its involvement in ASME ND eq. 10
- Non-repeated Anchor Movement (e.g. Building Settlement) eq.10a
- Building settlement
- Calculated allowable for "ASME ND (2007) PRE-VERIFICATION STRESS REPORT", Eq 8, Load case = GR
- Valve and Flange end connections availability between ASME NB - NC - ND
- Pre-verification report does not show if range moments (amb T1, amb T2…T1 toT2 …)
- ASME ND Sustained category combinations and pressure load
- Use of HDPE cold allowable
- Satisfy NB-3653.1 through NB-3653.6, using stress Summary A and B
- High CUF values caused by Forces / Moments having opposite signs about a Tee node point
- Results are given for Equations 10 and 11 (and 12 and 13 if 10 is non-compliant)
- Stress summary Eq.9 appears to be ranging
- Equations missing from output report