[clas_members] Hall B walkthrough next week

Eugene Pasyuk pasyuk at jlab.org
Thu Mar 1 11:06:33 EST 2018

Dear Collaborators, 

Here is an update about Hall access and walkthrough early next week. 

Monday March 5th accelerator will start beam studies staring at 9 am. As it looks now we may have beam for a couple of hours after that before they will terminate the beam to Hall B and we can go to controlled access and have walkthrough. Tentatively that would be around noon, give or take an hour. I'll send out the exact time Monday morning before 9 am , so stay tuned and check your email then. 

Tuesday March 6th accelerator is planning to do RF recovery starting at 8:30 am. They will take beam away for about four hours. During this time we should be able to access the hall and have another opportunity fro the walkthrough. This is a shorter down time than Monday and is a bit less certain. Tentatively this would be around 9 am, but the exact time will be set later. Stay tuned for an update and check you email. 

I need to know how many people will attend the walkthrough. Depending on that we will see if can do it under controlled access or will have to bring the hall to restricted access. I encourage you to do it Monday because it is more certain and longer down time, unless you are not on-site this day. Some of you will be traveling Monday and arrive late. You can plan for Tuesday morning. 

Please send me your name and indicate which day you will be able to attend. 


> From: "Eugene Pasyuk" <pasyuk at jlab.org>
> To: "clas members" <clas_members at jlab.org>, "hallb" <hallb at jlab.org>
> Sent: Tuesday, February 27, 2018 8:52:18 AM
> Subject: [clas_members] Hall B walkthrough next week

> Dear Collaborators,

> Next Monday or Tuesday (March 5-6) accelerator is scheduled to do beam studies
> and RF recovery. We will not have beam in the hall for a few hours during this
> time. This is an opportunity to do Hall B safety walkthrough (SAF111) for those
> who still have not done this but scheduled to take shifts. The exact time
> expected to be known by the end of this week.
> Please contact me if you need this training.

> -Eugene

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> clas_members at jlab.org
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