[Dsg-halla_gas] [EXTERNAL] Re: gas panel and exhaust sensor locations

[Marc Mcmullen]

Thanks Evaristo
________________________________
From: Evaristo Cisbani <evaristo.cisbani at roma1.infn.it>
Sent: Monday, September 21, 2020 11:30 AM
To: Marc Mcmullen <mcmullen at jlab.org>
Cc: dsg-halla_gas at jlab.org <dsg-halla_gas at jlab.org>; Gnanvo, Kondo (kg6cq) <kg6cq at virginia.edu>; Evaristo Cisbani <cisbani at jlab.org>; Jack Segal <segal at jlab.org>; Brad Sawatzky <brads at jlab.org>
Subject: [EXTERNAL] Re: gas panel and exhaust sensor locations

Dear Marc,

sorry I missed you previous email.

I try to answer some of the questions you ask, for the front INFN GEM layers:

>  1.  Are these dimensions for the cable tray accurate?

     the dimensions of the metallic cable tray look correct (they are expected
     to be identical in all layers).
     In the front layer, the single cable try is 63.8'' (~162 cm) long


>   2.  What is the distance between the baseline of this cable tray and the
> baseline of the next cable tray when the detector is assembled?

     for the front layers:
       - the cable trays are separated by 5.53'' (~14 cm); this is the distance
         between layers;
       - the "left" and "right" cable trays on the same layer are separated by
         ~27'' (~68 cm)


>   3.  Are these numbers the same for the front layers, if not what are the
> dimensions?

Best,
Evaristo

On Mon, 21 Sep 2020 13:13:28 +0000
Marc Mcmullen <mcmullen at jlab.org> wrote:

> Good Morning All,
>
> I did not received any responses to my previous email on the locations of the
> gas panels. I would like this information so that I can prepare the agenda
> topics for the Hall A GEM gas distribution monthly meeting. Jack could you
> verify the information on the locations?
>
> Kondo and Evaristo, could you provide answers to the questions about the GEM
> layer assemblies?
>
> Regards,
> Marc
>
> ________________________________
> From: Marc Mcmullen
> Sent: Friday, September 11, 2020 9:19 AM
> To: dsg-halla_gas at jlab.org <dsg-halla_gas at jlab.org>; Gnanvo, Kondo (kg6cq)
> <kg6cq at virginia.edu>; Evaristo Cisbani <cisbani at jlab.org> Cc: Jack Segal
> <segal at jlab.org>; Brad Sawatzky <brads at jlab.org> Subject: gas panel and
> exhaust sensor locations
>
> Good Morning,
>
> DSG is moving forward with design plans for the GEM gas flow readout system.
> I have process majority of part procurement to set up the system. Chassis,
> panels, and component delivery will start within weeks.
>
> I would like to confirm a few details of the system installation.
>
> [cid:7573e0bd-2023-4ff1-84ec-54fc2882c1b7]
> I have noted the proposed location for each GEM gas panel in red. Each is
> located just beyond an electronics hut.
>
>


>
> We will use this information to develop the exhaust sensor/multiplexer
> housing.
>
> Regards,
> Marc

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