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 * TMS: Window to EYT.  * TMS: DN400 flange for the window in EYT.

Agenda/Minutes

Zoom Meeting


CRY+VIS Interface Meeting

Date: 2022/7/1 13:15-13:40

Participants: Takahashi, Hirata, Ikeda, Miyoki, Yokozawa, Ushiba, Akutsu, Kimura, Aso

Post O3 Upgrade portal

Schedule

  • IX:
  • EX:
  • IY: To cooling.
  • EY: Repair of the leak point. Health check and pump-down. Leak test in the next week.
  • Type-B: Recovery of the alignment after cleaning in SR3. Characterization of the OpLev in SR2. Installation of the MSBs in SR3 and SRM. Replacement of the mirror in SRM in the next week.

  • Type-Bp: Investigation of the PR2 suspension. Calibration of the BF damper LVDT in PRM. Cable check in PR2, PR3, and PRM.
  • Type-C: Health check should be scheduled.

Status

  • Replacement of flip cables: EXT and BF temp.
  • TM height setting:
  • Oplev: Wind shield for Type-Bp.
  • ACC:
  • Commissioning in air:
  • Commissioning in vacuum:
  • Acceptance check:
  • PF actuator: At the in-vacuum commissioning.
  • New vacuum pumps for V-chambers: When should we implement the ion pumps? It is better to do before cooling.
  • Heater control: Pending.
  • TMS: DN400 flange for the window in EYT.

Discussion


VIS Meeting

Date: 2022/6/24 14:00-

Participants:

Summary Report

Type-A

  • Monitored during the pump down in EY.

Type-B

Type-Bp

  • Investigated the suspension in PR2.
  • Cable check in PR2/PR3/PRM.

Type-C

Electronics

Control

Schedule

  • Type-A:
  • Type-B: Mirror replacement in SRM.
  • Type-Bp:
  • Type-C:

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 7/4

  • Takahashi: 7/5-8
  • Sato:
  • Hirata: 7/5-8

The week from 7/11

  • Takahashi:
  • Sato:
  • Hirata:

Next meeting

  • 2022/7/8(FRI)

KAGRA/Subgroups/VIS/VISMinutes20220701 (last edited 2022-07-01 17:22:54 by RyutaroTakahashi)