ML19231A338
| ML19231A338 | |
| Person / Time | |
|---|---|
| Issue date: | 08/19/2019 |
| From: | Tekia Govan NRC/NRR/DIRS/IRGB |
| To: | |
| Govan T, 415-6197, NRR/DIRS | |
| References | |
| Download: ML19231A338 (2) | |
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The Graphic itself should not include a title - the title should be presented in a Word Caption block to facilitate program automation and formatting functions.
A recommended title would be something like this:
A Process for Evaluating Potential Loss of Function due to CCF that Could Result from the Use of Digital Technology.
This is intended to tie the figure to the scope of the BTP.
SSC is Category A1 [B2.1] SSC is not Category A1 [B2.1]
Perform D3 Assessment [B3] Perform Qualitative Analysis [B4]
Evaluate means for eliminating CCF: Evaluate means for eliminating CCF:
Internal Diversity [B3.1.1] Design Attributes [B4a]
Testing [B3.1.2] Design Quality [B4b]
Defensive Measures [B3.1.3] Operating Experience [B4c]
CCF Eliminated? yes Done. CCF Eliminated? yes Done.
[B3.1] Document results. [B4] Document results.
no no Redesign Evaluate means for addressing CCF:
Consider adding Other Systems [B3.2.1]
Design Features Manual Action [B3.2.2]
or DAS [B3.2.3]
Defensive Measures
[B3.1]
yes Done.
CCF Addressed?
Document results.
no Perform Design Basis or Best Estimate Analysis
[B3]
yes Done.
Result bounded?
Document results.
no Redesign Consider adding Design Features or Defensive Measures
[B3.1]