1/25-2/20: Yend Pcal finalization
- 2/25-3/4: Yend WAB
- 3/6~ : Yend pumpdown 3/6~
- 3/7,8: leak test
2/11-2/14: Xend NAB installation
- 2/21: Removing FC, Payload release
- 2/23-3/10: Xend Pcal finalization 1
- Periscope installation
- Beam position by IR and Green
- 2/27: ETMX release
- 3/5: ETMX aligned
- 3/5-3/10: Xend Pcal finalization 2
- 3/11,12 Xend WAB finalization
- 3/19,20, Heatlink etc.
- 3/22 Pumping down
- Leak test
- 3/11~ : Night work start
- 2/18-3/22 DRMI commissioning
- 3/11-4/5 Y arm commissioning
- 3/25-4/5 FPMI commissioning
Report of work
- COM: Alingnment for PR and BS and ITMS were recovered, and Michelson fringe was seen!
- SRM: Yaw drift exists.
- SR2: oplev shows something hitting.
- VAC: small leakage was found at ITMY, but we leave it.
- PEM: Camera lens of ITM is not enough.
- DGS: PC for ETMX and ETMY were replaced.
- ETMX: Removing FC afternoon.