Diablo Canyon Decommissioning Engagement Panel

Public Comments

DateApril 20, 2022
Decommissioning TopicSpent Fuel Storage
Comment / Suggestion:

Public comment presented during April 20, 2022 Engagement Panel Meeting:

BRUCE SETTERS:· Thank you.· I have a couple of
questions.· I guess I just want to ask three or four
questions and hope the right person stands up and
responds to each one; so I am not sure exactly who to
address them to.
· · · · ·There was mention of some of the assemblies
that need to be loaded into the new cask systems having
been damaged.· I am just curious about a little bit more
detail about what that damage entailed.
· · · · ·There was apparently a failure on the part of
the prior contractor to load the proper pattern of hot
and cool assemblies into the casks, and that seems to me
to be a grievous error, and I would like to hear a
little bit about how that kind failure mode might be
mitigated and if there's checks and double checks and
it's not one guy looking at the plan.
· · · · ·How is the 4.2 kilowatt heat level determined
to be the safe threshold?· I understand the 50 kilowatt
total heat level of the assembly or the cask is
considered to be kind of the maximum threshold.
· · · · ·A question was asked of the engineer involved,
like, what's the worst thing that can happen?· And he
basically gave a fairly general answer that bad things
happen.· I would like a little bit more specific answer
about what those bad things might be.
· · · · ·And, you know, why would we risk accelerating
the schedule by a year, let's say.· I mean, I understand
there is money to be saved.· That's good for
everybody -- the diversified uses and repurposing can be
accelerated, et cetera.· But why would we not just give
a greater margin of error to adding another year?
· · · · ·To me, I personally have no emotional
investments in having this be a showcase of how fast we
can do it, you know.
· · · · ·So to me it's like -- I don't want to break a
world record in that category; so explain a little bit
more about what the cost tradeoff is
there.· Just slowing down the speed a little, if that's
possible.· Thank you.

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