Minute of KAGRA commissioning meeting
- Date: 2018/9/4 11AM~12PM
- Attendance: Miyakawa, Izumi, Yamamoto, Oshino, Aso
- eZuce: Yokozawa, Suzuki, Ushiba
- It was quite smooth to transit laser hazard from moving to night mode.
- Woking time of from 3pm to 9pm was quite good for the amount of work.
- Position of IMMT1 was moved not only 2cm to X direction but also to the longitudinal direction.
- One of the pico motor on IMMT2 did not work.
- We need to relocate the QPD position for IMMT1 which crosses to Oplev light.
- Target in front of PR3 worked quite well.
- It was difficult to take a rest or dinner.
- One of the concern was that if something happens on IOO for example, IOO people are not there in the night time.
- Troubles should be announced after the night work and they should be fixed in the morning work.
- Needs staff assignment for the night work.
- Commissioning team will send e-mail by 9pm on Thursday whether they will work on Saturday or not.
- Cross talk on ETMX is caused by grounding of High power coil driver.
- Next meeting: 9/11.