[Global] Emergent Dose Banks During Outages

[DANIEL HIGGINBOTHAM]

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From: Global <global-bounces at list.rpalara.org> On Behalf Of Douthwaite, Andrew W via Global
Sent: Monday, August 15, 2022 8:14 AM
To: global at list.rpalara.org
Subject: [EXTERNAL] [Global] Emergent Dose Banks During Outages

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Peers

Salem is looking to benchmark industry best practices for establishing emergent dose banks during refuel outages. My questions are:


  1.  Do you allocate a bank of estimated dose to account for emergent dose during refuel outages? 5% of routine activities
     *   If so, how much is it, in Person-Rem? ~ 1 Rem
     *   What percentage of the overall estimate is your bank?


  1.  How much emergent dose do you typically see during a refuel outage, in Person-Rem? The percentage is based upon historical averages
     *   What percentage is that of the overall exposure your station sees during a refuel outage?



  1.  How do you keep track of your emergent dose? It depends on the emergent activity. If it's a large project that is added to the scope of the outage we write a separate RWP and track everything to that RWP. If scope creeps due to discoverable activities we track it within the RWP.


  1.  Do you use a separate RWP/Task/ALARA Plan for the purposes of tracking emergent dose?



"Life is about ups and downs. Hills and valleys. But if you stick with it... everything seems to work out." - Wally West

Andrew Douthwaite | *PSEG Nuclear LLC | Salem Radiation Protection
P.O. Box 236, Hancocks Bridge, NJ 08038-1236

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