[Global] FW: Looking Westinghouse PWRs that have Replaced Sodium Hydroxide with Sodium Tetraborate for pH Control in their Emergency Core Cooling Sump

Mon Feb 14 14:50:36 EST 2022

Please see below

David R. Howard
Framatome

Office    434-832-4167
Mobile   434-473-3412

155 Mill Ridge Road
Lynchburg, VA 24502
email:  david.howard at framatome.com<mailto:david.howard at framatome.com>
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www.framatome.com<http://www.framatome.com>

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From: Barber, Jerry M <Jerry.Barber at duke-energy.com>
Sent: Monday, February 14, 2022 1:04 PM
To: global-bounces at list.rpalara.org
Subject: Looking Westinghouse PWRs that have Replaced Sodium Hydroxide with Sodium Tetraborate for pH Control in their Emergency Core Cooling Sump

Robinson is investigating replacement of NaOH for pH adjustment with a passive buffer Sodium Tetraborate.  I would like to speak with any other plants that have already made this Engineering Change for any lessons learned.

Thanks,

Jerry Barber
Robinson Nuclear Plant
843-951-1496

From: Global <global-bounces at list.rpalara.org<mailto:global-bounces at list.rpalara.org>> On Behalf Of Bobby French via Global
Sent: Thursday, February 10, 2022 1:06 PM
To: global at list.rpalara.org<mailto:global at list.rpalara.org>
Subject: [EXTERNAL] Re: [Global] Setting your Reactor Head

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Internal Use Only

Wolf Creek uses Workers in the cavity

From: Global <global-bounces at list.rpalara.org<mailto:global-bounces at list.rpalara.org>> On Behalf Of Erin.S.Stalnecker at dominionenergy.com<mailto:Erin.S.Stalnecker at dominionenergy.com>
Sent: Thursday, February 10, 2022 6:34 AM
To: ROGERS Robin (Framatome) <robin.rogers at framatome.com<mailto:robin.rogers at framatome.com>>; global at list.rpalara.org<mailto:global at list.rpalara.org>
Subject: Re: [Global] Setting your Reactor Head

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At Millstone we have folks in the cavity and use a camera in limited capacity.  We are looking at using a drone and in the future, I hope, SPOT.

Erin S Stalnecker
RP Supervisor - ALARA
Millstone - x6512

She/They

From: Global <global-bounces at list.rpalara.org<mailto:global-bounces at list.rpalara.org>> On Behalf Of ROGERS Robin (Framatome)
Sent: Tuesday, February 8, 2022 3:39 PM
To: global at list.rpalara.org<mailto:global at list.rpalara.org>
Subject: [EXTERNAL] [Global] Setting your Reactor Head

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Hello Team,

Sorry for asking this repeat question, because I know it has come up several times over the years.

Who is able to set their Reactor Head remotely using cameras, and do not have people in the cavity?

Robin ROGERS
ALARA
Framatome
Office (434) 832-2833
Mobile (434) 229 5686  (after office hours)

155 Mill Ridge Road
Lynchburg, Virginia 24504
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