= Agenda/Minutes on 2020/10/9 =
[[https://zoom.us/j/203743987|Zoom Meeting]]

= CRY+VIS Interface Meeting =
13:40-14:10

Participants: Takahashi, Ohashi, Shoda, Hagiwara, Hirata, Ikeda, Miyo, Sato, Oshio, Ushiba, Kimura, Akutsu, Aso, Miyoki

 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Upgrades/PostO3Upgrades|Post O3 Upgrade portal]]
 * Schedule on ETMY.
  * 11/2: Opening the chambers (top and cross tube), Fixing the IP and filters, Disconnection of the cables. 11/3: Disconnection of the cryo-payload.
 * MN oplev table design
  * Welding is not allowed in the tunnel. There are some ideas; gluing, flanges with extension, clamp to the view port.

= VIS Meeting =
14:10-15:00

Participants: Takahashi, Shoda, Ishizaki, Fabian, Hitrata, Iguchi, Miyo, Tanaka, Sato, Sugiyama, Terrence, Aso

== Progress report ==
=== General ===
=== Type-A ===
 * Clean-up of the IXV and IYV area.

=== Type-B ===
 * Clean-up of the BS and SR area.
 * Hirata-san asked for a quotation for 3 Top Filter keystone plates (for BS, SR3 and SR3 in case it's needed).
 * Fabian made progress in writing a document about LVDT card recovery. One more working day is needed.
 * We lost Hirose-san's lamps for checking cleanliness of mirrors. We'll keep looking for them.
 * We lost the medium capacity scale we used for ballast mass measurement. We need to buy one. I borrowed Miyoki-san's for a few days but he wants it back.

=== Type-Bp ===
=== Type-C ===
=== Controls ===
=== Electronics ===
 * Confirmation of exchange cables function in the new combiner.
 * Only two channels are available in the 1U chassis.

== Towards O4 ==
 * RSE Trial was extended to Oct. 12th.
 * Preparation work was started.
  * [[https://www.dropbox.com/s/t7dsw16qdc5pfrl/Booth%20cleaning%20rev.pdf?dl=0|Schedule and assignment of personnel]]
  * [[https://paper.dropbox.com/doc/Plan-for-cleaning-the-clean-booth--A73isqnLjN32leQb4nFiuN~BAg-KVEbnCCBASYy4ea78HBUH|Cleaning procedure]].
  * [[https://www.dropbox.com/home/Subsystems/VIS/Inventory|Inventory sheet]].
  * Turn-off for the power outage. Type-A/C: Takahashi, Type-B: Fabian, Type-Bp: Miyo
 * Schedule.
  * [[https://www.dropbox.com/s/1s5h7lb5t4ivd55/ChamberOpen-Schedule201002-1-e.pdf?dl=0|Chamber opening]]
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11475|VIS]]
 * Procedure documents.
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5500|Type-A tower installation]]
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11598|Limit switches]]
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11520|Limit switch connecting guide]]
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11978|Replacement of TF blades]]
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11878|Wire gluing in PR3]]
  * [[https://onedrive.live.com/?authkey=!AOLVVVKJ_Zpn-2c&cid=1447B05D5B571A84&id=1447B05D5B571A84!26691&parId=1447B05D5B571A84!26683&o=OneUp|Type-B remedying work]]
 * Criteria in the acceptance test.

== Safety ==
== Discussion ==
[Terrence] 
Very short introduction to VISHack
[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12125 | Slides]] 
== Travel Plans ==
The week from 10/12

 * Takahashi: 10/12-16
 * Sato: 10/12-16
 * Hirata: 10/12-16

The week from 10/19

 * Takahashi: 10/19-10/23

== Next meeting ==
 * On 2020/10/16(Fri)