[Dsg-hallb_magnets] Hall B Sc magnets run
Stepan Stepanyan
stepanya at jlab.org
Fri Nov 22 10:43:41 EST 2019
Hello Probir,
I have an issue with leaving magnets ON over thanksgiving breaks with no one in the counting room and the hall in “Restricted access”. What is the purpose of leaving them ON over that period.
Thanks, Stepan
> On Nov 22, 2019, at 9:03 AM, Probir Ghoshal <ghoshal at jlab.org> wrote:
>
> Dear Denny and Team
>
> As discussed this morning, HallB is scheduled to get the beam on Dec2nd 2019.
> Denny on Vacation till 2nd Dec and Dave and Bob will also be away from Lab.
> In order to run the magnets to full field on Dec 2nd, the following is suggested-
> HOT check out (magnets) - Eugene P (sign off) Wednesday Morning/afternoon (27th Nov 2019)
> Magnet Sweep - Probir G and others (if available)
> Run both magnets to full field and back down to 250 A and park over the Thanksgiving time. This will not impact any other system, members needs to be aware off the magnets at field and no work is allowed within the boundary.
> Please let me know if you have concerns, else we go ahead with this as our schedule going ahead.
> Please find the attached Fall 2019 run rota list for your ready reference.
>
> All information regarding the checks carried out earlier last month is saved at the following location-
> M:\hallb_eng\CLAS12\Magnets\Operations\Fall 2019 Run
>
> Regards
>
> Probir
> <Physics Fall 2019_Spring 2020 Run_Cover for Halls_B-C-D v2.xlsx>
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