= Agenda/Minutes of the VIS Meeting on 2018/3/23 =

2018/3/23 13:30 - 14:10

Participants: Tanioka, Fujii, Aso, Eleonora, Mark, Hirata, Tanaka, Sato, Enzo, Shoda

== Progress report ==
=== Schedule Chart ===
Type-A  : ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7320|PDF/MPP]])

Type-B: ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7779|PDF/MPP]])

=== Type-A (Takahashi) ===
==== Past week report ====

[X-front]
  * Installed the F1 into the clean booth. Opened the cap of F1. The fitting was very tight.
  * Embedded the FR. Prepared for the wire with the small hexagons.
  * Lifted down the EQ stop. The end plate for F2 was sit on the frame lock.
  * Extended the EQ stop to the F1 stage.

[X-end]
  * Removed the yoke of vertical actuator in the TF. Pushed down the keystone of TF.
  * Connected the cables from the cryo-payload (CP) to the BF.
  * Released the BF. Adjusted the position of EQ stop anchor.
  * The CP was installed into the cryostat. The maraging wire was hooked to the CP.
  * Released the CP. The height of mirror was lower than the design one by 8mm.
  * Released the keystone of TF. Set the height of BF to 78mm.

==== Plan for coming weeks ====

[X-front]
  * Mount the F1 on the EQ stop and hang the F2 from the F1.
  * Tune the F1.
  * Cable between the F2 and the F1.

[X-end]
  * Check the cable connections.
  * Adjust the weight of BF and TF.
  * Close the chambers.

=== Type B (Mark) ===
==== Report for week of 3/19 ====
 * Fujii-kun successfully assembled and tested a geophone pod (klogs 4492, 4508).
 * Hirata-san set up the dummy BS to soak off the sapphire prisms (ongoing).
 * Shoda-san, Hirata-san and Enzo finished the assembly of 12 OSEMs. We still need to measure the maximum output  (ongoing).
 * We will send the OSEMs to Kamioka today.
 * Enzo made 2 in-air picomotor cable.


==== Plan for week of 3/26 ====
 * Tanioka-kun joins.
 * Mark vacation.
 * Shoda-san at Mitaka
 * Others at Kamioka
 * --
 * Lay SR3 in-air cabling (Enzo++).
 * Finish tuning of BFs (Hirata-san++).
 * SF check (Hirata-san++).
  * Check load capacity.
  * Check fit of caps.
  * Add cable clamps to bases.
  * Add cable clamps and Cu segments to caps (only if they fit well).
  * Cable LVDTs and steppers.

==== Plan for week of 4/2 ====
 * Mark at Mitaka Mon, Kamioka from Tue.
 * Shoda-san at Mitaka
 * Others at Kamioka
 * --
 * Glue SR3 (if available)
 * Build 2xIM, 2xIRM (if parts available - due 3/30)

==== Plan for week of 4/9 ====
 * Shoda-san at Mitaka
 * Others at Kamioka
 * --
 * Finish IMs and IRMs
 * Build 1xRM

==== Plan for week of 4/16 ====
 * Start SR3 Hang?

==== Plan for week of 4/23 ====
 * F0 blade prototype test

==== Plan for week of 4/30 ====
  * Golden Week!

==== To-Do Lists, Schedule ====
 * [[KAGRA/Subgroups/VIS/TypeB/March2018]]
 * [[KAGRA/Subgroups/VIS/TypeB/April2018]]
 * [[KAGRA/Subgroups/VIS/TypeB/ToDoBS]]
 * [[KAGRA/Subgroups/VIS/TypeB/ToDoSR]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7779|JGW-L1807779-v1 Type B Schedule (SR)]]


==== Control Issues ====
 * BS 
  * V3 OSEM does not seem to be working properly.
  * Enzo will check the cables and the satellite box if they are working fine.
 * SR2 
  * BIO is not working properly. WD reset pulses are not working. And some TEST/COIL switch pulse work strangely. More investigation required.
  * Enzo will check the BIO with the LED indicator board.

==== Vacation Info ====
 * Mark at LVC, then vacation, 3/18 (Sun) - 4/1 (Sun)
 * Fabian vacation, 3/26-4/27 (then gone). 
=== Type-Bp (Shoda) ===
==== Past week report ====
==== Plan for coming weeks ====

=== OMMT & OSTM (Ohishi) ===
==== Past week report ====
==== Plan for coming weeks ====

=== Watchdog system (Tanaka) ===
==== Past week report ====
 *Preparation for assembly of mass products.-->
    *Programming and Unit Testing(30 Items).-->30/30 Items completed.
   
 *I started to assemble the apparatus.-->Completed.

 *Final system test -->Completed.

 *I plan to ship to Kamioka on 22nd(For equipments installation from 26th to the week).-->Completed.

 *Other necessary preparations.

==== Plan for coming weeks ====

 *Business trip plan
    *March 25(Toyama),26th-29th(Kamioka),30th(Preliminary day Toyama->Tokyo)
    
 *Installation place-->PRM,PR3,PR2,BS,SR2(However,only to install. Launch is done on another occasion.)

=== Other site works ===

=== Safety ===
 * Incidents: no incidet

 * Safety bars around the SR2 assembly frame were set up by Furuta-san.

 * Foreseen risks
  * Type-A: Crane work
  * Type-B: Crane work, working with springs
  * Type-Bp:

== Discussion ==

== Travel Plans ==
 * Travel (Week of 3/26):
  * Takahashi: 3/26-30
  * Okutomi: 
  * Sato: 3/26-30
  * Ishizaki: 3/26-30
  * Mark:
  * Hirata: 26-30
  * Enzo: 26-30
  * Shoda:
  * Ohishi:
  * Fujii: 26-30
  * Tanioka: 27-30
  * Tanaka: 26-29
  * Kozu (ICRR): 26-30
  * Arai (ICRR):


 * Travel (Week of 4/2):
  * Takahashi: 4/2-6
  * Okutomi: 
  * Sato: 4/2-6
  * Ishizaki: 4/2-6
  * Mark: 4/3-6
  * Hirata: 4/3-6
  * Enzo: 4/2-5
  * Shoda: 
  * Ohishi: 
  * Fujii: ?
  * Tanioka: 4/2-6
  * Tanaka:
  * Kozu (ICRR): 4/2-6?
  * Arai (ICRR): 

== Next meeting ==
On 2018/3/30(Fri)