[Global] [EXTERNAL] PAPR for RX cavity work

[Russell, Ronald B]

Catawba Response


  1.  Do you wear PAPR for all activities?  No, only select post-drain down including decon, nozzle cover removal, cavity seal removal, conoseals, stud hole plug removal, etc.
  2.  What is your post drain down contamination limits?  50K on walls <7 ft and floor for the shallow end.  The deep end gets a gross squeegee/rinse to the drain with sock filter installed.



From: Global <global-bounces at list.rpalara.org> On Behalf Of Wilcox, Michael via Global
Sent: Sunday, November 21, 2021 8:21 PM
To: global at list.rpalara.org
Subject: [EXTERNAL] [Global] PAPR for RX cavity work

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I am curious about your engineering controls in the Rx Cavity during disassembly and reassembly.

  1.  Do you wear PAPR for all activities
  2.  What is your post drain down contamination limits?


Michael Wilcox
ALARA Supervisor
Arkansas Nuclear One
(479)858-4410
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