Re: Spreadsheet comments

[Elke-Caroline Aschenauer <elke@jlab.org>]

On Thu, 5 Apr 2007, Curtis A. Meyer wrote:

Hi Hi,

so here the changed sheet, please the my remarks below.

>
> Hi Elke -
>
>      Here are my "quick" comments. I need a bit longer to digest
> it all, but this is the obvious stuff. Perhaps Tim could comment
> on some of these as well?
>
>      I would still be a lot happier with 8000 rather than 7000 of
> the feedthrough assemblies (line 29) and 10000 crimp pins
> (line 30). Just from experience with CLAS, you really have to
> be careful in selecting these.
>
>      Row 41 can be removed, it is really row 29.

done
>
>      We need a line for the Highvoltage distribution boards (my note)
>      165 boards at $35 per board.
include

>
>      There are 140 signal cables and nominally some fraction of 140
> high voltage cables. I am not sure if a "standard cost" has been applied.
>
as said earlier same number as for fdc

>      There are 140 preamp cards (plus spares) - again is the number a
> standard cost?
>

okay I took the price for the fdc anode doughter boards $95/board and add
the price for 2000 asic chips, which is to much I know, but it seems that
is what we order from mitch, so I shared the price betwen fdc and cdc

>      There needs to be a high voltage mainframe, but that may be some
> place else.
>
somewhere else included


>       Line 34 (procure endplates). I suspect that this is only 40000. I am
> leaning towards a plate that wont need a tooling plate to make. However,
> we are exploring some diferent materials and I would prefer to have a
> 10k placeholder for the purchase of the "raw" down stream plate.
>
left in for the moment.

>       Some of the calibration system is going to be measuring wire locations,
> but I guess that we should leave this alone at the moment.
>
no changes


>    Cheers - Curtis
> --
> Professor Curtis A. Meyer                Department of Physics
> Head of Graduate Admissions          Carnegie Mellon University
> curtis.meyer@cmu.edu                    Pittsburgh, PA 15213
>

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for_curtis.xls