• KAGRA
• Subgroups
• VIS
• VISMinutes20201023

Agenda/Minutes on 2020/10/23

Zoom Meeting

CRY+VIS Interface Meeting

13:30-14:00

Participants:

• Post O3 Upgrade portal

• Schedule of safe mode switching for WAB
• Schedule of the wire disconnection: EY 11/3, IX 11/26, EX 11/27
• Schedule of the FC painting.
• PF actuator

• IP monitoring improvement in vacuum pumping -> auto-tracking system

VIS Meeting

14:00-

Participants:

Progress report

General

Type-A

Type-B

Type-Bp

Type-C

• (sato)No progress

Controls

Electronics

Towards O4

• Chamber opening will be started from Oct. 26.
• Preparation work is on going.

  • Cleaning by the company

  • Monitoring for vent. Date: 19(EY), 21(IX, IY, EY), 22(IX, IY, EY, Center). Charge: Miyo, Ikeda, Fabian
  • New guardian test on 19 in PR2 and BS.
• Schedule.

  • Chamber opening

  • VIS

• Procedure documents.

  • Type-A tower installation

  • Limit switches

  • Limit switch connecting guide

  • Replacement of TF blades

  • Wire gluing in PR3

  • Type-B remedying work

• Criteria in the acceptance test.

Safety

Discussion

Travel Plans

The week from 10/26

• Hirata: 10/26-30

The week from 11/2

• Takahashi: 11/1-6
• Sato: 11/1-6
• Hirata: 11/1-6

Next meeting

• On 2020/10/30(Fri)