[Esr-users] Fwd: ESR Users SAD ’19 plan

[David Kashy]

Hi All,
Cryo needs to know what the plans are for the 3 Halls with regard to helium levels during the summer down. Please reply stating
All magnets and dewar to remain at constant level unless some changes are planned. Also if there is any testing to be done requiring ramping magnets and likelyhood of fast dump or quench.

Any other changes to the system such as bringing on new hardware that will need purification..

See below

Thanks
Dave


________________________________
From: Joe Wilson <jwilson at jlab.org>
Sent: Tuesday, March 5, 2019 11:31 AM
To: David Kashy
Cc: Jonathan Creel; Steve Suhring; Chris Perry; Sasa Radovic; Thilan Wijeratne; Brian Mastracci
Subject: ESR Users SAD ’19 plan


Dave,

We (Cryo Ops) request information from the ESR Users to prepare for SAD 2019. Are there anticipated changes in the ESR load, especially helium inventory changes in the halls? For your information, we are preparing to slowly store the Hall D helium inventory and changes in the CEBAF inventory.

Thanks!



-----------------

Joe D. Wilson, Jr.

Cryogenic Operations Engineer



Jefferson Lab

www.jlab.org<http://www.jlab.org/>

office desk: 757-269-7722

jwilson at jlab.org

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