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<div class="moz-cite-prefix">Dear Stepan:<br>
<br>
Congratulations! A job well done!<br>
<br>
Sincerely,<br>
Bruce<br>
<br>
On 3/1/2015 8:51 PM, Stepan Stepanyan wrote:<br>
</div>
<blockquote cite="mid:54F3C209.1090309@jlab.org" type="cite">Dear
all,
<br>
<br>
I am pleased to inform you that the installation of the SVT has
<br>
been completed successfully yesterday. We also were able to
<br>
close the vacuum and start pumping down downstream part
<br>
of the beamline, from the second girder to the dump. As of
<br>
now, gauge at 2H02 girder reads 7.5E-5. Considering how much
<br>
stuff we put in the vacuum chamber, the vacuum level after only
<br>
a day of pumping, with chillers for SVT and FEB running is a
<br>
good sign. Overall, vacuum in the beamline has been improved
<br>
dramatically, see attached. The remaining 5 meters long stretch
<br>
of the beamline through the tagger yoke will be pumped down
<br>
Monday or Tuesday.
<br>
<br>
Many thanks to the Hall-B engineering group for a great support.
<br>
Especial thanks to Denny and Todd who supported the SVT
installation,
<br>
leak check of the cooling lines, and buttoning up the beamline and
<br>
pumping it down on Saturday.
<br>
<br>
Regards, Stepan
<br>
<br>
<br>
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<br>
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