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<p class="MsoNormal">Good Moring All,<o:p></o:p></p>
<p class="MsoNormal">I know it is outage season and everyone is very busy, but I have some questions.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">What is your process for cleaning the reactor vessel flange prior to setting the reactor head? Clean underwater? Employ a flange cleaning tool?<o:p></o:p></p>
<p class="MsoNormal">If you use a flange cleaning tool who is the manufacturer<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">At NAPS we wait until the head is approximately 18” from the flange for shielding and use long handled tools to clean the O-ring grooves.
<o:p></o:p></p>
<p class="MsoNormal">One unit has experienced a slight inner O-ring leak during power operations ~0.05 gpm.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thank You in Advance for your reply<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Kevin Licklider<o:p></o:p></p>
<p class="MsoNormal">North Anna Power Station<o:p></o:p></p>
<p class="MsoNormal">ALARA Coordinator<o:p></o:p></p>
<p class="MsoNormal">540-894-2873<o:p></o:p></p>
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