[Halld] Scheduled power outage in Hall D and tagger

[Timothy Whitlatch]

Hi Curtis, 

By doing it in May/early June and no heat load in the hall, this should not be a problem. 


Tim Whitlatch 
Hall D Engineer 
Jefferson Lab 
12050 Jefferson Ave ste 402 
Newport News, Va 23606 
757-269-5087 


From: "Curtis A. Meyer" <cmeyer at cmu.edu> 
To: "Timothy Whitlatch" <whitey at jlab.org> 
Cc: "halld" <halld at jlab.org>, "Tom Carstens" <carstens at jlab.org> 
Sent: Wednesday, March 18, 2015 3:34:29 PM 
Subject: Re: [Halld] Scheduled power outage in Hall D and tagger 

We can’t let the drift chamber temperatures go up a lot. They probably need to stay below 85F max, 

Curtis 
------- 
Prof. Curtis A. Meyer Department of Physics 
Phone: (412) 268-2745 Carnegie Mellon University 
Fax: (412) 681-0648 Pittsburgh, PA 15213 
curtis.meyer at cmu.edu http://www.curtismeyer.com/ 








On Mar 18, 2015, at 3:22 PM, Timothy Whitlatch < whitey at jlab.org > wrote: 

Hi All, 

There will be a total power outage in the hall for approximately 3 days some time in the end of May or beginning of June. 

There will be no air conditioning either. 

The cryo plant will be down as well so we will be warming the solenoid magnet to 100K. 

We are planning on getting a generator to power some vacuum pumps for the solenoid as well as the cryogenic controls. 
We will also have to power some safety systems as well. 

Are there other any critical systems that will require power during this time period? 

Tim Whitlatch 
Hall D Engineer 
Jefferson Lab 
12050 Jefferson Ave ste 402 
Newport News, Va 23606 
757-269-5087 
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