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<p class="MsoNormal">Danny’s<o:p></o:p></p>
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<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Adam’s<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Put a leak check bag around entire cavity and seal above 2 phase line explosion bonded joint.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="background:yellow;mso-highlight:yellow;mso-ligatures:standardcontextual">Partially inflate bag with helium and stop flow.</span><span style="mso-ligatures:standardcontextual"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Allow the leak detector the appropriate warmup time.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Start the Labview tracing program to collect the leak check data.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Do NOT use the zeroing feature on the leak detector during the helium vessel leak check.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">The helium vessel shall be pumped long enough to have a MDL of less than 2E-9 mbar l/s. Pump time will vary depending on how long it takes for the sensitivity to be low enough.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Once the leak rate is indicated below 2e-9 mbar l/s
<span style="background:yellow;mso-highlight:yellow">the bag can be filled with helium. Start helium flow into the bag and stop the flow when the bag starts to inflate.</span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="background:yellow;mso-highlight:yellow;mso-ligatures:standardcontextual">If any leak is indicated at all, the leak checked shall be considered to have failed.</span><span style="mso-ligatures:standardcontextual"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Five minutes after filling the bag with helium, the calibrated leak shall be opened. Allow the trace to run long enough for the helium to settle to a flat line, indicating the leak rate of
the calibrated leak.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Record the size of the leak with the calibrated leak open.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Record the size of the calibrated leak and the expiration date of the calibration.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Upload leak check data file and a saved picture of the trace with Cavity ID, total pressure, date, calibrated leak size, and time of helium spray indicated on the picture.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Toggle the yes/no button to indicate if the leak rate is acceptable.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Put a leak check bag around entire cavity and seal above 2 phase line explosion bonded joint<span style="background:yellow;mso-highlight:yellow">.</span>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Allow the leak detector the appropriate warmup time.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Start the Labview tracing program to collect the leak check data.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Do NOT use the zeroing feature on the leak detector during the helium vessel leak check.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">The helium vessel shall be pumped long enough to have a MDL of less than 2E-9 mbar l/s. Pump time will vary depending on how long it takes for the sensitivity to be low enough.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Once the leak rate is indicated below 2e-9 mbar l/s
<span style="background:yellow;mso-highlight:yellow">flow helium into the bag and stop the flow when bag starts to inflate</span>.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="background:yellow;mso-highlight:yellow;mso-ligatures:standardcontextual">Any detectable leak shall constitute test failure.</span><span style="mso-ligatures:standardcontextual"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Five minutes after filling the bag with helium, the calibrated leak shall be opened. Allow the trace to run long enough for the helium to settle to a flat line, indicating the leak rate of
the calibrated leak.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Record the size of the leak with the calibrated leak open.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Record the size of the calibrated leak and the expiration date of the calibration.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Upload leak check data file and a saved picture of the trace with Cavity ID, total pressure, date, calibrated leak size, and time of helium spray indicated on the picture.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Toggle the yes/no button to indicate if the leak rate is acceptable.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Tony Reilly <areilly@jlab.org> <br>
<b>Sent:</b> Tuesday, August 8, 2023 10:11 AM<br>
<b>To:</b> Valerie Bookwalter <bookwalt@jlab.org>; Kirk Davis <kdavis@jlab.org><br>
<b>Subject:</b> Re: New Version added to Ready for Approvals on DocuShare ( https://jlabdoc.jlab.org/docushare/ )<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Hi Valerie,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Do we know what changes were made?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Thanks,<br>
Tony<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Valerie Bookwalter <<a href="mailto:bookwalt@jlab.org">bookwalt@jlab.org</a>><br>
<b>Sent:</b> Friday, August 4, 2023 8:55 AM<br>
<b>To:</b> Kirk Davis <<a href="mailto:kdavis@jlab.org">kdavis@jlab.org</a>><br>
<b>Cc:</b> Tony Reilly <<a href="mailto:areilly@jlab.org">areilly@jlab.org</a>>; Valerie Bookwalter <<a href="mailto:bookwalt@jlab.org">bookwalt@jlab.org</a>><br>
<b>Subject:</b> FW: New Version added to Ready for Approvals on DocuShare ( <a href="https://jlabdoc.jlab.org/docushare/">
https://jlabdoc.jlab.org/docushare/</a> )</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:14.0pt">Kirk,</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:14.0pt"> </span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:14.0pt">I wanted to bring this to your attention. Adam has modified a traveler written by Danny.</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:14.0pt">I need to confirm that this was agreed to by both parties.</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:14.0pt">Please let me know if it is okay to proceed.</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:14.0pt"> </span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:14.0pt">Thank You</span><o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:12.0pt;color:#1F497D">Valerie Bookwalter</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:12.0pt;color:#1F497D">Jefferson Lab, ACCEL</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:12.0pt;color:#1F497D">SRF Operations</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:12.0pt;color:#1F497D">SROPS Software Systems Group</span><o:p></o:p></p>
<p class="xmsonormal"><span style="font-size:12.0pt;color:#1F497D">1-757-269-5802 (OFFICE – currently working offsite)</span><o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
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<p class="xmsonormal"><b>From:</b> Pansophy <<a href="mailto:pansophy-bounces@mailman.jlab.org">pansophy-bounces@mailman.jlab.org</a>>
<b>On Behalf Of </b>Adam Grabowski via Pansophy<br>
<b>Sent:</b> Thursday, August 3, 2023 5:18 PM<br>
<b>To:</b> SRF Pansophy (<a href="mailto:pansophy@jlab.org">pansophy@jlab.org</a>) <<a href="mailto:pansophy@jlab.org">pansophy@jlab.org</a>><br>
<b>Subject:</b> [Pansophy] Fw: New Version added to Ready for Approvals on DocuShare (
<a href="https://jlabdoc.jlab.org/docushare/">https://jlabdoc.jlab.org/docushare/</a> )<o:p></o:p></p>
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<p class="xmsonormal"> <o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black">Pansophy, </span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black">I made the updates to the traveler; it is ready to re-route for approval. </span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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<p style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;border:none windowtext 1.0pt;padding:0in">Adam Grabowski</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#201F1E"> </span><o:p></o:p></p>
<p style="background:white;text-align:start"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;border:none windowtext 1.0pt;padding:0in">SRF Test Engineer</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#201F1E;border:none windowtext 1.0pt;padding:0in">,
L2HE Project CAM</span><o:p></o:p></p>
<p style="background:white;text-align:start"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;border:none windowtext 1.0pt;padding:0in;background:white">Jefferson Lab</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#201F1E"><br>
</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;border:none windowtext 1.0pt;padding:0in;background:white">600 KELVIN DR Suite # 8</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black"> </span><o:p></o:p></p>
<p style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;border:none windowtext 1.0pt;padding:0in">Mail Stop 55H<br>
<span style="background:white">Newport News, VA 23606</span></span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#201F1E"> </span><o:p></o:p></p>
<p style="background:white;text-align:start"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;border:none windowtext 1.0pt;padding:0in">O: 757-269-7665</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#201F1E"> </span><o:p></o:p></p>
<p style="background:white;text-align:start"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;border:none windowtext 1.0pt;padding:0in">C: 360-320-7003</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#201F1E"> </span><o:p></o:p></p>
<p style="background:white;text-align:start"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;border:none windowtext 1.0pt;padding:0in">E:
<a href="mailto:adamg@jlab.org">adamg@jlab.org</a></span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#201F1E"> </span><o:p></o:p></p>
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<p class="xmsonormal"><b><span style="color:black">From:</span></b><span style="color:black"> Allen Samuels <<a href="mailto:samuels@jlab.org">samuels@jlab.org</a>><br>
<b>Sent:</b> Thursday, August 3, 2023 5:16 PM<br>
<b>Subject:</b> New Version added to Ready for Approvals on DocuShare ( <a href="https://jlabdoc.jlab.org/docushare/">
https://jlabdoc.jlab.org/docushare/</a> )</span> <o:p></o:p></p>
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<p class="xmsonormal"> <o:p></o:p></p>
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<p>The following Version was added by Adam Grabowski on Thursday, 3 August, 2023 05:16:19 PM EDT
<o:p></o:p></p>
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<p class="xmsonormal" align="center" style="text-align:center"><img border="0" width="30" height="30" style="width:.3166in;height:.3166in" id="_x0000_i1027" src="https://jlabdoc.jlab.org/docushare/images/small/word.png"><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:10.0pt"><a href="https://jlabdoc.jlab.org/docushare/dsweb/Get/Document-274559/L2HE_CAV_HELV-LKCHK-R1_08032023.docx%20">L2HE-CAV-HELV-LKCHK-R1.docx</a><br>
Collects data from post VTA qualification helium vessel leak checks<br>
<br>
<i>Appears In: </i> <a href="https://jlabdoc.jlab.org/docushare/dsweb/View/Collection-49548">Ready for Approvals</a></span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:10.0pt"><a href="https://jlabdoc.jlab.org/docushare/dsweb/Services/User-90">forehand</a></span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:10.0pt">07/21/2023</span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:10.0pt"><a href="https://jlabdoc.jlab.org/docushare/dsweb/Services/Document-274559">Props</a></span><o:p></o:p></p>
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<p> <o:p></o:p></p>
<p>This notification was generated by <a href="https://jlabdoc.jlab.org/docushare/dsweb/Services/Subscription-400">Subscription-400</a>.<o:p></o:p></p>
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