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<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif">Follow up – excerpt from post outage report 3EOC23:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-family:"Aptos",sans-serif">Specific noteworthy items captured include:<o:p></o:p></span></u></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="mso-list:l4 level1 lfo7"><span style="font-family:"Aptos",sans-serif">Steam generator activities were well executed despite higher than anticipated rad and contamination levels, completed work for 98% of estimated exposure with
0 personnel contaminations. Instrumental in this success was the development and use of down draft tables for the upper probe drivers.
<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l4 level1 lfo7"><span style="font-family:"Aptos",sans-serif">Co-ordination and execution of the initial drop & shock crud-burst went well despite challenges created by failed fuel and the late in cycle release of core corrosion
products.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l4 level1 lfo7"><span style="font-family:"Aptos",sans-serif;background:yellow;mso-highlight:yellow">The execution of the plan to mitigate the impact of failed fuel was noteworthy. The actions prevented any significant release
of noble gases and no outage delays were recorded during initial system breaches. Highlights of the actions performed are:<o:p></o:p></span>
<ul style="margin-top:0in" type="circle">
<li class="MsoNormal" style="mso-list:l4 level2 lfo7"><span style="font-family:"Aptos",sans-serif;background:yellow;mso-highlight:yellow">Maximized the effectiveness of our RCS demineralizers by replacement of resin.
<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l4 level2 lfo7"><span style="font-family:"Aptos",sans-serif;background:yellow;mso-highlight:yellow">Conducted just-in-time training for operators on gaseous waste disposal (GWD) system header management.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l4 level2 lfo7"><span style="font-family:"Aptos",sans-serif;background:yellow;mso-highlight:yellow">Installed charcoal filters in air filtering (HEPA) units for use during the outage and routed exhaust to containment purge
inlets.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l4 level2 lfo7"><span style="font-family:"Aptos",sans-serif;background:yellow;mso-highlight:yellow">Maintained reactor building purge in continuous mode early in the outage.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l4 level2 lfo7"><span style="font-family:"Aptos",sans-serif;background:yellow;mso-highlight:yellow">Developed a detailed plan for managing personnel contamination event response.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l4 level2 lfo7"><span style="font-family:"Aptos",sans-serif;background:yellow;mso-highlight:yellow">Increased RP monitoring and surveillance.<o:p></o:p></span></li></ul>
</li></ul>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><b><span style="font-family:"Segoe Print";mso-ligatures:none">Bill Meldrum</span></b><span style="font-family:"Segoe Print";mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none">Oconee Nuclear Station</span><span style="mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none">RP/ALARA<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none">x 3204<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none"><a href="tel:864-873-3204" target="_blank"><span style="color:blue">864-873-3204</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none">Cell 803-229-2204<o:p></o:p></span></p>
<p class="MsoNormal"><i><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#202122;background:white;mso-ligatures:none">"No plan of operations extends with certainty beyond the<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#202122;background:white;mso-ligatures:none">first encounter with the enemy's main strength"</span></i><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#202122;background:white;mso-ligatures:none"> </span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#202124;background:white;mso-ligatures:none">
</span><span style="font-size:8.0pt;mso-ligatures:none"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="mso-ligatures:none">From:</span></b><span style="mso-ligatures:none"> Meldrum III, William H
<br>
<b>Sent:</b> Wednesday, August 14, 2024 12:56 PM<br>
<b>To:</b> Olga I Juza <oijuza@aep.com>; global@list.rpalara.org<br>
<b>Subject:</b> RE: [EXTERNAL] [Global] Fuel Leaker Benchmark questions??<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif">See if this gets you started. You know me – if it happened, I’ve got pictures.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><b><span style="font-family:"Segoe Print";mso-ligatures:none">Bill Meldrum</span></b><span style="font-family:"Segoe Print";mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none">Oconee Nuclear Station</span><span style="mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none">RP/ALARA<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif;mso-ligatures:none">x 3204<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="mso-ligatures:none">From:</span></b><span style="mso-ligatures:none"> Global <<a href="mailto:global-bounces@list.rpalara.org">global-bounces@list.rpalara.org</a>>
<b>On Behalf Of </b>Olga I Juza via Global<br>
<b>Sent:</b> Wednesday, August 14, 2024 11:42 AM<br>
<b>To:</b> <a href="mailto:global@list.rpalara.org">global@list.rpalara.org</a><br>
<b>Subject:</b> [EXTERNAL] [Global] Fuel Leaker Benchmark questions??<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal" style="background:red"><b><span style="font-size:12.0pt;color:white;mso-ligatures:none">*** CAUTION! EXTERNAL SENDER *** STOP. ASSESS. VERIFY!!</span></b><span style="font-size:12.0pt;color:white;mso-ligatures:none"> 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.
<o:p></o:p></span></p>
</div>
</div>
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<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal">Hi! Hope everyone is having a great summer. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We at DC Cook have a current fuel leaker in one of our units. We would like to perform a quick benchmark of other sites who may be dealing with something similar or have gone through an outage with one. Below are a few questions. Thank
you for taking time to answer these questions.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Failed Fuel Benchmark questions:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;line-height:200%;mso-list:l2 level1 lfo3">
Have you experienced an outage after you ran a cycle with a fuel leak?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;line-height:200%;mso-list:l2 level1 lfo3">
What were your biggest take-aways from the outage?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;line-height:200%;mso-list:l2 level1 lfo3">
Did you have a documented plan with actions?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;line-height:200%;mso-list:l2 level1 lfo3">
Do you have a good RP contact that could assist with more questions?<o:p></o:p></li></ol>
<p class="MsoNormal" style="line-height:200%"><o:p> </o:p></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;line-height:200%;mso-list:l3 level1 lfo6">
Are you currently pre-paring for an outage with a fuel leaker?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;line-height:200%;mso-list:l3 level1 lfo6">
Do you have a documented plan with actions?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;line-height:200%;mso-list:l3 level1 lfo6">
What is your biggest concern?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;line-height:200%;mso-list:l3 level1 lfo6">
Do you have a good RP contact that could assist with more questions?<o:p></o:p></li></ol>
<p class="MsoNormal" style="line-height:200%">Thanks, <o:p></o:p></p>
<p class="MsoNormal" style="line-height:200%">Brian<o:p></o:p></p>
<p class="MsoNormal"><span style="color:black;mso-ligatures:none"><o:p> </o:p></span></p>
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