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<p>Hi DSG-RICH,</p>
<p>This email was sent to the group in error.</p>
<p>Sorry for the confusion</p>
<p>Marc<br>
</p>
<br>
<div class="moz-cite-prefix">On 2/21/2017 3:04 PM, Marc McMullen
wrote:<br>
</div>
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type="cite">
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<p>Hi Bob,</p>
<p>Here is the email I sent to Stephan and Franck on 02/08/17.</p>
<p>Marc<br>
</p>
<div class="moz-forward-container"><br>
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<p class="MsoNormal">Hi Stephan and Franck,</p>
<p class="MsoNormal">I am contacting you to let you know about
the prerequisites you will need to flow gas to the two
detectors (MVT to be assembled on the SVT, and the MVT to be
assembled with the Forward Tracker detector) you have designed
for use at JLab in the EEL building this spring/summer. </p>
<p class="MsoNormal"><b style="mso-bidi-font-weight:normal">For
the MVT to be assembled onto the SVT:</b></p>
<p class="MsoNormal">Since you already have an approved OSP
(exp. 9/17), as long as the setup does not change, you will
only need to run the SACLAY gas distribution system through
the Jlab Pressure Systems program.<span
style="mso-spacerun:yes"> </span>To accomplish this you
must do the following.</p>
<p class="MsoListParagraphCxSpFirst"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span
style="mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span
style="mso-list:Ignore">1.<span style="font:7.0pt
"Times New Roman""> </span></span></span>A
Jlab qualified system owner must be named. Typically all Hall
B gas systems have the same owner (Bob Miller). This should be
discussed with him first. The owner is responsible for the
safe operation and testing of the pressure system.</p>
<p class="MsoListParagraphCxSpMiddle"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span
style="mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span
style="mso-list:Ignore">2.<span style="font:7.0pt
"Times New Roman""> </span></span></span>A
Jlab qualified design authority must be named (The system
owner is responsible for this) and that person must review the
design, and determine if it meets all standards. Next the “DA”
performs pressure calculations, and ensures all inspections
and tests are completed prior to turning the system over to
the owner for operation. The DA will need:</p>
<p class="MsoListParagraphCxSpMiddle"
style="margin-left:1.0in;mso-add-space:
auto;text-indent:-.25in;mso-list:l0 level2 lfo1"><span
style="mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span
style="mso-list:Ignore">a.<span style="font:7.0pt
"Times New Roman""> </span></span></span>P&I
diagrams and drawings.<br>
</p>
<p class="MsoListParagraphCxSpMiddle"
style="margin-left:1.0in;mso-add-space:
auto;text-indent:-.25in;mso-list:l0 level2 lfo1">b. Data
sheets on materials and equipment used to make the system.</p>
<p class="MsoListParagraphCxSpMiddle"
style="margin-left:1.0in;mso-add-space:
auto;text-indent:-.25in;mso-list:l0 level2 lfo1">c.
Pressure and flow requirements.<br>
</p>
<p class="MsoListParagraphCxSpLast"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span
style="mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span
style="mso-list:Ignore">3.<span style="font:7.0pt
"Times New Roman""> </span></span></span>Any
person performing work on the system must be qualified. This
is accomplished through SAF130A training.</p>
<p class="MsoNormal">Typically, the design authority should be
involved in the construction of the system. However, your
distribution system was assembled away from the lab, so a DA
will have to review the construction as built and ensure that
it meets safety requirements. </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><b style="mso-bidi-font-weight:normal">For
the FT tracker:</b></p>
This gas system will have to follow similar steps as above, with
the exception that the assembly of the gas system will be
designed and built at Jlab and therefore it will go through the
program.
<p> </p>
<p class="MsoNormal">An OSP will have to be done for use in the
hall. As for the pressure systems program, the DA should say
if any changes are needed for use in the hall.</p>
<p class="MsoNormal"><br>
</p>
<p class="MsoNormal">Regards,<br>
</p>
<br>
<pre class="moz-signature">--
Marc McMullen
Detector Support Group
757-269-7738</pre>
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<pre wrap="">_______________________________________________
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Marc McMullen
Detector Support Group
757-269-7738</pre>
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