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<p>Looking at the photos I took, I did not see any labels on the
valves- something which should probably be corrected at some
point. functionally, there is no difference between connection at
MV4 and MV1, although you should be able to physically "walk
down" the P&I diagram- it should be an accurate map.<br>
</p>
<div class="moz-cite-prefix">On 2/8/2019 8:06 AM, Tyler Lemon wrote:<br>
</div>
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<p style="margin-top:0;margin-bottom:0">Hello Bob,</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">Thank you for letting us
know it has been approved.</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">I found the attached PDF
in the Pressure Systems DocuShare, but there is a small
difference between that drawing and how it was installed in
Hall B. The backup manifold was connected to the existing
panel at MV4.<br>
</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">Best regards,</p>
<p style="margin-top:0;margin-bottom:0">Tyler<br>
</p>
</div>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
face="Calibri, sans-serif" color="#000000"><b>From:</b> Bob
Miller<br>
<b>Sent:</b> Thursday, February 7, 2019 5:16:43 PM<br>
<b>To:</b> Denny Insley; Tyler Lemon; dsg-rich; Bill Crahen<br>
<b>Subject:</b> Re: disconnected RICH N2 backup manifold banks</font>
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<p style="margin-top:0; margin-bottom:0">Hi Tyler,</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0">The modifications for
the RICH backup N2 have been completed and approved by the
design authority, Bill Crahen.</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0">Regards,</p>
<p style="margin-top:0; margin-bottom:0">Bob</p>
<br>
<br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font
style="font-size:11pt" face="Calibri, sans-serif"
color="#000000"><b>From:</b> Denny Insley<br>
<b>Sent:</b> Thursday, February 7, 2019 9:13 AM<br>
<b>To:</b> Tyler Lemon; Bob Miller; dsg-rich<br>
<b>Subject:</b> Re: disconnected RICH N2 backup manifold
banks</font>
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<div style="direction:ltr">Sure </div>
</div>
<div><br>
</div>
<div class="x_x_ms-outlook-ios-signature">Get <a
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<div id="x_x_divRplyFwdMsg" dir="ltr"><font
style="font-size:11pt" face="Calibri, sans-serif"
color="#000000"><b>From:</b> Tyler Lemon<br>
<b>Sent:</b> Thursday, February 7, 2019 8:50:21 AM<br>
<b>To:</b> Bob Miller; Denny Insley; dsg-rich<br>
<b>Subject:</b> disconnected RICH N2 backup manifold
banks</font>
<div> </div>
</div>
<div>
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<p style="margin-top:0; margin-bottom:0">Hello Bob
and Denny,</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0">George
mentioned this morning that the two backup N2
banks for RICH have been disconnected from the
backup manifold because correct orifices and
relief valves were not installed on the N2 banks.</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0">He also
mentioned that he has given the components to Hall
B this morning to be able to install the missing
relief valves and orifices.<br>
</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0">Once the N2
banks are set back up with the correct components,
could the bank regulators be set to 20 psi and 18
psi rather than 12 psi and 10 psi?
<br>
</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0">The higher
pressures would compensate for the pressure drop
across the N2 panel filters and the system should
be able to flow what is needed to RICH from the
backup system.</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0">Best
regards,</p>
<p style="margin-top:0; margin-bottom:0">Tyler<br>
</p>
</div>
</div>
</div>
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