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==== Past week report ====
==== Plan for coming weeks ====		 ==== Report for week of 4/9 ====
 * We packed away the SRM SF and BF.
 * After several failed attempts with one secondary prism, Mark finished the SR3 prism/magnet gluing.
 * Tanioka-kun built two IRMs (less OSEMs).
 * Enzo built an RM.
 * Kozu-kun and Enzo calibrated one set of 6 IM OSEMs for SR3. (6 OSEMs for SRM remain to be done.)
 * Hirata-san aligned the assembly frame, installed the interface bars and IM ring, and installed the IM.
 * Eleonora and Izumi-san revisited the BS length to tilt coupling, which had degraded, and got it working again.
Line 42: Line 48:
==== Plan for week of 4/23 ====
 * Shoda-san at Mitaka.
 * Hirata-san at Kamioka Mon-Wed, then Mitaka.
 * Kozu-kun at Kamioka Wed-Fri (but may be working with PEM on Fri).
 * Others (Mark, Enzo, Tanioka-kun) at Kamioka full week
 * --
 * Continue SR3 Hang
  * Hang optic.
  * Hang RM.
  * Cable RM OSEMs.

==== Plan for week of 4/30 ====
 * Shoda-san at Mitaka.
 * Mark, Enzo at Kamioka Mon-Wed or TBD.
 * Others having fun doing Golden Week stuff.
 * --
 * Observe KAGRA Phase 1 operations, assist if problems arise.
 * Do BF TFs.
 * Continue SR3 hang.

==== 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)]]

==== Vacation Info ====
 * Fabian vacation, 3/26-4/27 (then gone).
Line 75: Line 110:
  * Takahashi:
  * Okutomi:
  * Sato:		   * Takahashi: 23 -27
  * Okutomi: 23 -
  * Sato: 24 -27
Line 79: Line 114:
  * Mark:
  * Hirata:
  * Enzo:		   * Mark: 23 -27
  * Hirata: 23 -25
  * Enzo: 23 -27
Line 84: Line 119:
  * Fujii:
  * Tanioka:		   * Fujii: 23 -27
  * Tanioka: 23 -
Line 87: Line 122:
  * Kozu (ICRR):   * Kozu (ICRR): 25 -27
Line 93: Line 128:
  * Okutomi:   * Okutomi: - 5/3
Line 96: Line 131:
  * Mark:   * Mark: 4/31 - 5/2
Line 98: Line 133:
  * Enzo:   * Enzo: 4/31 - 5/2
Line 102: Line 137:
  * Tanioka:   * Tanioka: - 5/6
Line 104: Line 139:
  * Kozu (ICRR):   * Kozu (ICRR): 4/30 - 5/1

Agenda/Minutes of the VIS Meeting on 2018/4/20

2018/4/20 13:30 -

Participants:

Progress report

Schedule Chart

Type-A : (PDF/MPP)

Type-B: (PDF/MPP)

Type-A (Takahashi)

Past week report

[X-front]

  • Bent and formed six blades to mount on the TF base.
  • Mounted the blades on the TF base.
  • Put the damper ring with magnets on the F1.
  • Mounted the PI on the bridge frame with the maraging wire.
  • Suspended the filter chain from the TF. Needed load was about 700kg for the TF in spite of target load of 580kg.
  • Removed one blade and rearranged two blade. The TF could work without additional load.
  • Suspended the damper ring from the TF base. One hook screw galled.
  • Cabled between the F1 and the upper small hexagon.
  • Inserted the wire clamp.
  • Dismounted the PI and bridge frame.
  • Checked the cable connections.
  • Lifted down the F1 into the corrugate tube. The top ring sit on the frame lock.
  • Installed the PI into the top chamber.

Plan for coming weeks

[X-front]

  • Cable to the feedthroughs.
  • Set the ACCs.
  • Calibrate the LVDTs for the BF damper and the IP.

Type B (Mark)

Report for week of 4/9

  • We packed away the SRM SF and BF.
  • After several failed attempts with one secondary prism, Mark finished the SR3 prism/magnet gluing.
  • Tanioka-kun built two IRMs (less OSEMs).
  • Enzo built an RM.
  • Kozu-kun and Enzo calibrated one set of 6 IM OSEMs for SR3. (6 OSEMs for SRM remain to be done.)
  • Hirata-san aligned the assembly frame, installed the interface bars and IM ring, and installed the IM.
  • Eleonora and Izumi-san revisited the BS length to tilt coupling, which had degraded, and got it working again.

Plan for week of 4/23

  • Shoda-san at Mitaka.
  • Hirata-san at Kamioka Mon-Wed, then Mitaka.
  • Kozu-kun at Kamioka Wed-Fri (but may be working with PEM on Fri).
  • Others (Mark, Enzo, Tanioka-kun) at Kamioka full week
  • --
  • Continue SR3 Hang
    • Hang optic.
    • Hang RM.
    • Cable RM OSEMs.

Plan for week of 4/30

  • Shoda-san at Mitaka.
  • Mark, Enzo at Kamioka Mon-Wed or TBD.
  • Others having fun doing Golden Week stuff.
  • --
  • Observe KAGRA Phase 1 operations, assist if problems arise.
  • Do BF TFs.
  • Continue SR3 hang.

To-Do Lists, Schedule

Vacation Info

  • 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

Plan for coming weeks

Other site works

Safety

  • Incidents:
  • Foreseen risks
    • Type-A:
    • Type-B:
    • Type-Bp:

Discussion

Travel Plans

  • Travel (Week of 4/23):
    • Takahashi: 23 -27
    • Okutomi: 23 -
    • Sato: 24 -27
    • Ishizaki:
    • Mark: 23 -27
    • Hirata: 23 -25
    • Enzo: 23 -27
    • Shoda:
    • Ohishi:
    • Fujii: 23 -27
    • Tanioka: 23 -
    • Tanaka:
    • Kozu (ICRR): 25 -27
    • Arai (ICRR):
  • Travel (Week of 4/30):
    • Takahashi:
    • Okutomi: - 5/3
    • Sato:
    • Ishizaki:
    • Mark: 4/31 - 5/2
    • Hirata:
    • Enzo: 4/31 - 5/2
    • Shoda:
    • Ohishi:
    • Fujii:
    • Tanioka: - 5/6
    • Tanaka:
    • Kozu (ICRR): 4/30 - 5/1
    • Arai (ICRR):

Next meeting

On 2018/4/27(Fri)

KAGRA/Subgroups/VIS/VISMinutes20180420 (last edited 2018-04-20 16:52:31 by YoichiAso)