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Japan Nuclear Energy Safety Organization. DS367 Classification Steps. June 2011 Shigeo Ebata Nuclear Energy System Safety Division Japan Nuclear Energy Safety Organization (JNES). PIE (postulated initiating events) PSF (plant specific safety functions)
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Japan Nuclear Energy Safety Organization DS367Classification Steps June 2011 ShigeoEbata Nuclear Energy System Safety Division Japan Nuclear Energy Safety Organization (JNES)
PIE (postulated initiating events)PSF (plant specific safety functions) PS (preventive SF)MS (mitigatory SF)SF categorization SSCs, groups of SSCsSSCs assignment to Safety Class engineering design rules
FSF(fundamental safety function) FSF 1 FSF 2 FSF 3
SF categorization DiDlevel
Japanese Guidesvs PSF in DS367 PSF-11 PSF-1 PSF-10 PSF-3 PSF-2 PSF-11 PSF-4,7 PSF-5,6 PSF-12,13,14 PSF-3,5 PSF-9,8,15 PSF-14
PSF-14,16,17,18 PSF-16 PSF-11 PSF-16,17 PSF-13,14 PSF-19 PSF-11
PSF-10,14 PSF-14 PSF-11 PSF-1 PSF-5 PSF-19