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[Will Jacobs <jacobsw AT indiana.edu>]

Schebs et al. --

  Seeing this topic alive on this thread, and hearing nothing back
from my more private message on the subject, I append my comments
below (w/ drawing attached) in case they are useful in the discussion.

                                      Thanks,
                                                 -- Will j.

PS: also, I had dug up all the old PRO-E based EEMC mechanical drawings
in response to Scheb's request and wondered if they were needed or of
use.

On Sat, 25 Jan 2020, Will Jacobs wrote:

> Schebs et al. --
>
>   Looking at the attached drawing (thanks again for sending it)
>
>   a) it looks like the forward mounting points are the existing
>      tee mounts (I can't recall how many of these there are 4?
>      or 6?) ... these are what the EPD already attaches to (and
>      we also use them for attaching the beam line protection
>      platform for work directly over the beam pipe area during
>      maintenance. The sTGC support structure seems to bolt radially
>      into the tee mount block.
>
>   b) as you know, the area at this radius of the inner pole
>      tip has lots of EEMC cooling hoses coming/going to the manifolds
>      located beneath the three dual-electronics crate mounts ...
>      you encountered this when designing and fitting in the EPD
>      to "coexist" with the existing hose routing. Will the
>      sTGC support structure allow the same integration? Are the
>      thick blue (in diagram) support pieces actually "tabs"
>      that bolt to the tee mount block, or is this a continuous
>      structure in azimuth. If the latter, I can imagine it would
>      interfere with lots of the present hose routing, prevent access
>      to the quick release at the manifold, etc. What is the
>      plan there? Regarding access, EEMC maintenance likely has
>      to take place when the sTDC is installed (and also undergoing
>      testing), hence the access questions. Even when in running
>      mode, access may be needed in case of leaks, air pockets, etc.
>
>      If a major re-route of cooling hoses is necessary, this is
>      a significant job, as they mostly have minimal length for
>      their generally torturous paths among the EEMC "boxes"
>      and cables, and hence many would likely have to be ripped
>      out and replaced (I hope not).
>
>   c) for the more interior support of the sTGC structure I see
>      bolts going radially into the EEMC inner radius. I believe
>      this is mainly EEMC support cone structure in here, but these
>      are new holes, right? I guess it is ok but one needs to be careful
>      what one is drilling into (where, how deep, etc.) ... info that
>      should be available in the machine drawing we are discussing on
>      a separate thread.
>
>                                        Thanks,
>                                                -- Will j.

On Mon, 10 Feb 2020, Scheblein, John A wrote:

> What is the phone number? And meeting numbers?
> Thank you 
> John Scheblein 
>
> Sent from my iPhone
>
>       On Feb 10, 2020, at 8:12 AM, Yi Yang <yiyang AT ncku.edu.tw> wrote:
>
>       Hi,
> I might be a bit late for today's meeting. Sorry about that...
>
> Cheers, Yi
> +++++++++++++++++++++++++++++++++++++++++++++++++++
> Yi Yang, Associate Professor
> Department of Physics
> National Cheng Kung University
> Tainan, 701 Taiwan
> E-Mail: yiyang AT ncku.edu.tw
> Tel: +886-6-2757575 ext.65237
> Fax: +886-6-2747995
> Group Web: https://urldefense.com/v3/__http://phys.ncku.edu.tw/*yiyang__;fg!!P4SdNyxKAPE!TPK07an6PHp7W_5lhJ7zC3scJo358FGYs_ovQn_vEOCaXKY5JGakepaFy3Z-haQBcptON2I$ 
> +++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
> On Fri, Feb 7, 2020 at 6:22 AM Ye, Zhenyu <yezhenyu AT uic.edu> wrote:
>       Dear all,
>
>       We will have the Weekly FST meeting on Monday starting at
>       9am EST (BNL local time).
>
>       https://drupal.star.bnl.gov/STAR/event/2020/02/10/fst-group-meeting
>
>       Bluejeans Meeting URL https://bluejeans.com/101020434
>       Meeting ID: 101 020 434
>
>       Meeting agenda:
>
>       1. Mechanical structure - Yi/Hansheng
>       Status of mechanical structure prototype and assembly
>       Thermal simulation and measurement
>       Soft cooling tube test
>
>       2. Tracking - Krishan
>
>       Best,
>       Zhenyu
>
>
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