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<p><b>[Classification: NOT PROTECTIVELY MARKED]</b></p>
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<p class="MsoNormal">Sizewell B (Westinghouse four loop), in UK, will be carrying out full structural weld overlay of our Pressuriser nozzle welds in Spring 2023.<o:p></o:p></p>
<p class="MsoNormal">To help verify our dose estimates I would be grateful for any dose information from similar plants that have already performed this project.<o:p></o:p></p>
<p class="MsoNormal">It would be helpful to indicate the number of welds that were mitigated.
<o:p></o:p></p>
<p class="MsoNormal">For comparison we intend to overlay on seven nozzle welds, the surge pipework, at the bottom, then six nozzles at the top of the Pressuriser, the spray nozzle, three Pilot-Operated Safety Relief Valves and two spring-loaded Safety Valves.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance for any information provided.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best Regards,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#FF6F18;mso-fareast-language:EN-GB">Guy Renn</span></b><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#04488D;mso-fareast-language:EN-GB">Head of Radiological Protection</span></b><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#04488D;mso-fareast-language:EN-GB">Technical & Safety Department</span><span style="font-size:10.5pt;color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#797979;mso-fareast-language:EN-GB">T:</span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#797979;mso-fareast-language:EN-GB"> +44 (0)1728 653
183 (Ext)</span><span style="font-size:10.5pt;color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#797979;mso-fareast-language:EN-GB">T:</span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#797979;mso-fareast-language:EN-GB"> 718 3183 (Int)</span><span style="font-size:10.5pt;color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"> </span><span style="font-size:10.5pt;color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black;mso-fareast-language:EN-GB">Sizewell B Power Station<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black;mso-fareast-language:EN-GB">Leiston, Suffolk, IP16 4UR<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black;mso-fareast-language:EN-GB">United Kingdom<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><img width="102" height="47" style="width:1.0625in;height:.4895in" id="Picture_x0020_1" src="cid:image001.jpg@01D7F7E9.274876A0" alt="http://pulse.edfapps.edfenergy.net/sorce/apps/picture_lib_app/uploads/u569/18042035169710/EDF%20Logo%20-%202020%20-%20large.jpg"></span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><a href="http://www.edfenergy.com/"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:blue">edfenergy.com</span></a></span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#60AA3D;mso-fareast-language:EN-GB">Please consider the environment before printing this email</span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
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