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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:12.0pt;line-height:106%;font-family:"Times New Roman",serif'>Hello Dave,<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:12.0pt;line-height:106%;font-family:"Times New Roman",serif'>During the JLab Holiday shutdown period with no 15K targets, ESR supported the 4.5K loads of three halls without help from CHL1. Currently with the same nominal load configuration, ESR compressor discharge is 18 atmospheres, but CHL1 help is required to maintain steady ESR dewar level (~ 2 g/s).<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:12.0pt;line-height:106%;font-family:"Times New Roman",serif'>Thanks!<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:12.0pt;line-height:106%;font-family:"Times New Roman",serif'>P.S.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:12.0pt;line-height:106%;font-family:"Times New Roman",serif'>Also, here is CLOG entry of interest.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:4.8pt;background:white'><b><span lang=EN style='font-family:"Times New Roman",serif;color:#313131'><a href="https://logbooks.jlab.org/entry/3544839"><span style='color:#0000EE;text-decoration:none'>Hall C 4 atm isolated</span></a> <o:p></o:p></span></b></p><p class=MsoNormal style='mso-margin-top-alt:4.8pt;margin-right:0in;margin-bottom:9.6pt;margin-left:0in;background:white'><span lang=EN style='font-size:12.0pt;font-family:"Times New Roman",serif;color:#313131'>Lognumber <a href="https://logbooks.jlab.org/entry/3544839"><span style='color:#0000EE;text-decoration:none'>3544839</span></a>. Submitted by <a href="https://logbooks.jlab.org/user/cperry"><span style='color:#0000EE;text-decoration:none'>cperry</span></a> on Fri, 03/16/2018 - 09:32. <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:4.8pt;margin-right:0in;margin-bottom:9.6pt;margin-left:0in;background:white'><span lang=EN style='font-size:12.0pt;font-family:"Times New Roman",serif;color:#313131'>just after lunch yesterday the 4 atm supply to Hall C was isolated and overnight it was notcied that the inlet JT on the HMS dipole closed from 29% down to 26%, possibly due to a leak from 4 atm into the magnet via the cooldown heat exchanger. Hall C and cryo have decided to leave the 4 atm valve isolated to Hall C as long as it is not needed.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:8.0pt;line-height:105%'><span style='font-size:12.0pt;line-height:105%;font-family:"Times New Roman",serif'>-----------------<o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Joe D. Wilson, Jr.<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Cryogenic Operations Engineer<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Jefferson Lab<o:p></o:p></span></b></p><p class=MsoNormal><a href="http://www.jlab.org/"><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:#0563C1'>www.jlab.org</span></a><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>757-269-7722<o:p></o:p></span></p><p class=MsoNormal><a href="mailto:jwilson@jlab.org"><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:#0563C1'>jwilson@jlab.org</span></a><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>