[Global] [EXTERNAL]Re: [EXTERNAL] Containment Entry 100 % Power (RCP Platform)

[Coughlin, Joseph J:(Constellation Nuclear)]

Alex,

Attached is a pump deck survey at 100% power from Byron. Work was associated with RCP oil additions.............Thx Joe



From: Global <global-bounces at list.rpalara.org> On Behalf Of Meldrum III, William H
Sent: Monday, June 19, 2023 3:23 PM
To: Garza, Alexander M <amgarza at energyharbor.com>; global at list.rpalara.org
Subject: [EXTERNAL]Re: [Global] [EXTERNAL] Containment Entry 100 % Power (RCP Platform)




EXTERNAL MAIL. Do not click links or open attachments from unknown senders or unexpected Email.





EXTERNAL MAIL. Do not click links or open attachments from unknown senders or unexpected Email.


Here's what we have from Oconee. We have used PackBots and Spot in the basement and upper floors at 100%, but we have nothing currently that would get us to the RCP seal areas inside the D-Rings. We power down to around 25% for personnel entries to those areas. From our history the dose reduction is pretty much linear.

Rates from N-16 around the Hot Legs and Cold Legs is around 10 REM/hr at 100%.

Good luck.

Bill Meldrum
Oconee Nuclear Station
RP/ALARA
x 3204

From: Global <global-bounces at list.rpalara.org<mailto:global-bounces at list.rpalara.org>> On Behalf Of Garza, Alexander M
Sent: Wednesday, June 14, 2023 12:42 PM
To: global at list.rpalara.org<mailto:global at list.rpalara.org>
Subject: [EXTERNAL] [Global] Containment Entry 100 % Power (RCP Platform)

*** CAUTION! EXTERNAL SENDER *** STOP. ASSESS. VERIFY!! Were you expecting this email? Are grammar and spelling correct? Does the content make sense? Can you verify the sender? If suspicious report it, then do not click links, open attachments or enter your ID or password.
Davis Besse is requesting for any available radiological data / plans / technology utilized for a containment entry at 100% power within the Bio-shield walls to include traversing onto the RCP seal platform to investigate RCP performance.
Davis Besse is a PWR plant.
Thank you in adavance,

Alex Garza
Radiation Protection
Staff Nuclear Specialist
Desk 419-321-8552
Wk Cell 419-944-7841

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