[Dsg-halla_ecal] Supermodule inventory

shahinya at jlab.org shahinya at jlab.org
Mon Feb 21 08:44:25 EST 2022


Hi Marc,

OK we can meet on 22 Feb at 10am.


Thank you,
Albert
> Hi Albert,
>
> I will be at the lab tomorrow morning by 10 am.
>
>
> Regards,
> Marc
> ________________________________
> From: shahinya at jlab.org <shahinya at jlab.org>
> Sent: Friday, February 18, 2022 10:07 AM
> To: Marc Mcmullen <mcmullen at jlab.org>
> Cc: shahinya at jlab.org <shahinya at jlab.org>; dsg-halla_ecal at jlab.org
> <dsg-halla_ecal at jlab.org>; Patrizia Rossi <rossi at jlab.org>
> Subject: Re: [Dsg-halla_ecal] Supermodule inventory
>
> Hi Marc,
>
> Please let me know when me can meet, any day and time?
>
> Thank you,
> Albert
>
>> Hi Albert,
>>
>> I have looked at the spare parts and determined that 5 frames can be
>> made
>> if the following parts are procured/fabricated:
>>
>> 12 threaded rods (for long modules)
>> 18 spacers (for long modules)
>>
>> If these frames are assembled, you will still need 4 long frames to
>> finish
>> the project.
>>
>> Regards,
>> Marc
>> ________________________________
>> From: shahinya at jlab.org <shahinya at jlab.org>
>> Sent: Thursday, February 10, 2022 7:07 PM
>> To: Marc Mcmullen <mcmullen at jlab.org>
>> Cc: dsg-halla_ecal at jlab.org <dsg-halla_ecal at jlab.org>; Patrizia Rossi
>> <rossi at jlab.org>
>> Subject: Re: [Dsg-halla_ecal] Supermodule inventory
>>
>> Hi Marc,
>>
>> Thanks to you and all your groups. Inventory is very important to us.
>> Finally, we can know how many super module frames we need to order.
>> The spring I gave, you can continue assembling super modules.
>>
>> Thank you,
>> Albert
>>
>>
>>> Hi Albert,
>>>
>>> I just wanted to provide an update of the ECAL inventory of
>>> supermodules
>>> and parts. During the verification of the inventory, we found 1 more
>>> supermodule, which has been added to the inventory. You also provided
>>> an
>>> additional 30 cut springs and 28 uncut springs which will make 56
>>> springs
>>> (86 total springs delivered on 2/10).
>>>
>>> These parts have been added to the inventory. We will resume
>>> supermodule
>>> assembly with the 86 springs you delivered today.
>>>
>>> The final count from today is 154 of 192 completed supermodules. 38
>>> supermodules are needed to complete the project. The breakdown is 14
>>> short
>>> modules and 24 long modules.
>>>
>>> To complete the project we will still need 8 wrapped lead-glass
>>> assemblies, which you said you and Bihn are working on.
>>>
>>> We will need 9 long frames. Per our discussion, I will look at the
>>> frame
>>> parts and verify how many long frames can be assembled from the parts.
>>> With the parts on hand, that number will be no more than 4. Again,
>>> these
>>> are not part of the count until I can verify that they can be assembled
>>> into frames. I will have that information for you by Monday.
>>>
>>> Regards,
>>> Marc
>>>
>>>
>>>
>>>
>>> Parts
>>>
>>> Need
>>>
>>> On-hand
>>>
>>> Balance
>>>
>>> Comment
>>>
>>> 38 Supermodules
>>>
>>> Lead-glass assembly
>>>
>>> 342
>>>
>>> 334
>>>
>>> -8
>>>
>>> Lead-glass assemblies are being wrapped by ECAL group
>>>
>>> Springs
>>>
>>> 342
>>>
>>> 86
>>>
>>> -256
>>>
>>> 600 springs have been ordered, balance expected in March
>>>
>>> Short Frames
>>>
>>> 14
>>>
>>> 17
>>>
>>> 3
>>>
>>> Long Frames
>>>
>>> 24
>>>
>>> 15
>>>
>>> -9
>>>
>>> Parts to make frames need to be procured and fabricated. (No
>>> procurement
>>> date yet)
>>>
>>> ________________________________
>>> From: Dsg-halla_ecal <dsg-halla_ecal-bounces at jlab.org> on behalf of
>>> Marc
>>> Mcmullen <mcmullen at jlab.org>
>>> Sent: Wednesday, February 9, 2022 5:00 PM
>>> To: dsg-halla_ecal at jlab.org <dsg-halla_ecal at jlab.org>
>>> Cc: Patrizia Rossi <rossi at jlab.org>
>>> Subject: [Dsg-halla_ecal] Supermodule inventory
>>>
>>> Hi Albert,
>>>
>>> I completed the inventory of all the supermodules on 02/08/2022. I have
>>> also counted the lead-glass assemblies and the frames. These numbers
>>> will
>>> let you know what will be needed to complete 192 supermodules.
>>>
>>> I counted a total 153 supermodules on all the shelves in EEL 126 and in
>>> the test stand in the Test Lab. This includes the 20 DSG has assembled
>>> this year. There is a balance of 39 supermodules to reach 192. The
>>> types
>>> of modules are not even, there are 81 short module and 72 long modules.
>>> In
>>> addition there are only 334 lead-glass assemblies which are already
>>> wrapped with film and copper in EEL 122 and 126. Lastly, I counted all
>>> the
>>> pre-assembled frames. There are only 32 total frames. We have enough
>>> short
>>> frames, but more of the longer frames are needed. I have written in
>>> comments on the parts which have shortages which need to be addressed
>>> in
>>> order to complete the project. The "Need" column does not account for
>>> any
>>> spares of any parts or supermodules.
>>>
>>> I will be at the lab tomorrow to look at the leftover frame parts we
>>> found
>>> in EEL 122, at best these parts might make 3 long frames. I will not
>>> add
>>> them to the count until they are pre-assembled and checked.
>>>
>>> Regards,
>>> Marc
>>>
>>>
>>>
>>>
>>>
>>> Parts
>>>
>>> Need
>>>
>>> On-hand
>>>
>>> Balance
>>>
>>> Comment
>>>
>>> 39 Supermodules
>>>
>>> Lead-glass assembly
>>>
>>> 351
>>>
>>> 334
>>>
>>> -17
>>>
>>> Lead-glass assemblies are being wrapped and copper clad in EEL 122.
>>>
>>> When will be ready for assembly?
>>>
>>> Springs
>>>
>>> 351
>>>
>>> 0
>>>
>>> -351
>>>
>>> 600 springs have been ordered, delivery expected in March per Albert
>>>
>>> Short frames
>>>
>>> 15
>>>
>>> 17
>>>
>>> 2
>>>
>>> Long frames
>>>
>>> 24
>>>
>>> 15
>>>
>>> -9
>>>
>>> Parts to make frames need fabricated.
>>>
>>> Can these be ordered?
>>>
>>> _______________________________________________
>>> Dsg-halla_ecal mailing list
>>> Dsg-halla_ecal at jlab.org
>>> https://mailman.jlab.org/mailman/listinfo/dsg-halla_ecal
>>>
>>
>>
>>
>
>
>




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