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"Free Dave" Day 2: 10 CFR 50.59 Evaluations

Author

Theresa Clark

Published

Nuclear Plant Chip Background (Everstar Website)

๐Ÿ›‘ย We can #freedave with the tool that knows when to dig deepโ€ฆ and when to stop.

A proposed MOV actuator replacement needs a 50.59.

๐ƒ๐š๐ฏ๐ž'๐ฌ ๐จ๐ฅ๐ ๐ฐ๐š๐ฒ: FSAR archaeology, criteria walkthrough, documentation, and reviewer back-and-forth. 11 ๐ก๐จ๐ฎ๐ซ๐ฌ.

๐–๐ข๐ญ๐ก ๐†๐จ๐ซ๐๐ข๐š๐ง: Applicability, screening, and Criteria 1 through 7 walked with sources and rationale. Then on criterion 8, Gordian stops and asks Dave.

"The replacement actuator uses a different torque calculation methodology. Here are both interpretations of the criterion with supporting references. Dave, you decide."

Gordian doesn't check the box. It shows Dave the evidence and gets out of the way.

Dave reads both interpretations, makes the call, documents the basis, signs the evaluation. ๐“๐ก๐ซ๐ž๐ž ๐ก๐จ๐ฎ๐ซ๐ฌ.

That judgment call is now in Gordian. When a similar mod comes up when Dave isn't around, another engineer can see exactly how Dave reasoned through the ambiguity. It's not just the answer that's captured. It's the reasoning.

8 hours freed so far. That's one full Dave-day at a normal job. Dave has never had a normal job.

Dave left at 4. ๐‡๐ž'๐ฌ ๐ ๐จ๐ข๐ง๐  ๐ญ๐จ ๐›๐ฎ๐ข๐ฅ๐ ๐š ๐Ÿ๐ข๐ซ๐ž ๐จ๐ฎ๐ญ ๐›๐š๐œ๐ค ๐ญ๐จ๐ง๐ข๐ ๐ก๐ญ.


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