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<p class="MsoNormal">See below/attached<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><b>From:</b> Global <global-bounces@list.rpalara.org>
<b>On Behalf Of </b>Fontaine, Jeffrey W<br>
<b>Sent:</b> Wednesday, March 2, 2022 10:40 AM<br>
<b>To:</b> global@list.rpalara.org<br>
<b>Cc:</b> Ruby, Robby P <rpruby@energyharbor.com>; Coradi, David V <dcoradi@energyharbor.com><br>
<b>Subject:</b> [Global] Beaver Valley Reactor Cavity Decon Benchmark<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<div style="border:solid #CC0000 1.0pt;padding:0in 0in 0in 0in">
<p class="MsoNormal" align="center" style="text-align:center;background:yellow"><strong><span style="font-family:"Calibri",sans-serif;color:black">This is an
</span></strong><strong><span style="font-family:"Calibri",sans-serif;color:red">EXTERNAL EMAIL</span></strong><strong><span style="font-family:"Calibri",sans-serif;color:black"> from outside TVA.
</span></strong><strong><span style="font-family:"Calibri",sans-serif;color:red">THINK BEFORE</span></strong><strong><span style="font-family:"Calibri",sans-serif;color:black"> you
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<p class="MsoNormal"><span style="font-size:12.0pt;line-height:105%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;line-height:105%">Beaver Valley is performing a benchmark of Reactor Cavity Decon Practices. Your participation is appreciated.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;line-height:105%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;line-height:105%">Power Station
<u> WBN </u> PWR <u> X </u>BWR____<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;line-height:105%">Contact Phone #<u> 423-365-8022</u><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;line-height:105%">Email Address kakennedy@tva.gov<o:p></o:p></span></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraphCxSpFirst" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">Do you perform Reactor Cavity Decon with House Personnel?
<u>Contractors assigned to plant laborer group</u> If not, who do you contract with to perform the work?
<u> </u><o:p></o:p></span></li><li class="MsoListParagraphCxSpLast" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">Do you hydrolase the walls or cavity floor<u> pressure wash (with heated pressure washer) and squeegie
</u><o:p></o:p></span></li></ol>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;line-height:105%">If you do, what areas do you hydrolase? Briefly describe.__<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;line-height:105%">Upper Cavity: Floor, rust ring, & as high as can be reached up the walls without spraying upwards. Second jump (post head set) alconox walls/floor, wipe walls (wet,
dry, wet), mop floor (wet/dry/wet).<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;line-height:105%">Lower Cavity: pressure wash & squeegee same as upper cavity then spray alconox. Buff floor/doodle bug walls & stand legs, pressure wash & squeegee again.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;line-height:105%"> All water/crud gets washed into transfer canal (~4’ below equipment pit floor)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;line-height:105%">To what contamination levels do you strive to achieve? Upper Cavity: <50k, Lower Cavity: <100k<o:p></o:p></span></p>
<ol style="margin-top:0in" start="3" type="1">
<li class="MsoListParagraphCxSpFirst" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">What deconning agents if any, do you use on the walls and /or floor?<u> Alconox & spray n wipe</u><o:p></o:p></span></li><li class="MsoListParagraphCxSpLast" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">Which types of materials/chemicals do you decon with? __X__mops
<o:p></o:p></span></li></ol>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-size:12.0pt;line-height:105%">___X_____rags ___X____ Scrub Pads__________ Hydrogen Peroxide<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-size:12.0pt;line-height:105%">____X____high pressure washing _____FLOOR BUFFER______other, describe<o:p></o:p></span></p>
<ol style="margin-top:0in" start="5" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">Do you use any robotics to perform decon of the cavity?
<u> NONE </u><o:p></o:p></span></li></ol>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-size:12.0pt;line-height:105%">If so, what type<u>
</u><o:p></o:p></span></p>
<ol style="margin-top:0in" start="6" type="1">
<li class="MsoListParagraphCxSpFirst" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">Generally, how long does it take to decon the cavity? Time from initial RP survey to the time in which refueling re-enters the cavity<u> ~15 minutes for initial washdown, 60-120 minutes for second cavity decon
</u><o:p></o:p></span></li><li class="MsoListParagraphCxSpLast" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">Are other groups working in the cavity in parallel with the decon crew?
<u> None </u><o:p></o:p></span></li></ol>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;line-height:105%">If so, briefly describe<u>
</u><o:p></o:p></span></p>
<ol style="margin-top:0in" start="8" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">Estimate the amount of exposure in mRem that it takes to decon the Reactor Cavity?<o:p></o:p></span></li></ol>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;line-height:105%">___X____100-500 _____500-750 _____>750 mRem<o:p></o:p></span></p>
<ol style="margin-top:0in" start="9" type="1">
<li class="MsoListParagraphCxSpFirst" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">What recent changes have you made to decrease the time required to decon the cavity and/or reduce the exposure that it takes to achieve your decon goal?
<o:p></o:p></span></li><li class="MsoListParagraphCxSpMiddle" style="margin-left:0in;mso-add-space:auto;mso-list:l5 level1 lfo3">
<span style="font-size:12.0pt;line-height:105%">Do you have a detailed procedure for this activity? If so, would you consider providing a copy for us to review? We did have a procedure, but it was deleted in order to allow for deviations (not our choice).
So we have a job aide/decon script that we wrote (attached).<o:p></o:p></span></li></ol>
<p class="MsoListParagraphCxSpLast"><u><span style="font-size:12.0pt;line-height:105%">Please include Rob Ruby (Beaver Valley Power Station) in your response. Email:
<a href="mailto:rpruby@energyharbor.com">rpruby@energyharbor.com</a></span></u><span style="font-size:12.0pt;line-height:105%"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal">Jeffrey Fontaine<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal">ALARA Supervisor<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal">Beaver Valley Power Station
<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal">Email <a href="mailto:fontainej@firstenergycorp.com">
fontainej@energyharbor.com</a><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal">Desk Phone 724-682-5120<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal">Cell Phone 724-462-3423<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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