* Overall schedule
- End of July - End of August : Pumping down center area
- Sep - Commissioning
* X arm commissioning
- Both IR and GR cavity lock keeping
- IX : Cooling down the duct shield TM~250 K
- EX : Cooling down the duct and two radiation shield TM~110K
- Finesse and TM position by TCam are ongoing
- TMSX optical table characterization : early July : After this, we can start ASC
* Y arm commissioning
- Pumping down started
- EY has leak point, we will open the chamber soon
- IR and GR lock succeeded!
* Center area commissioning
- Main IR
- Table configuration : ongoing
- IFO refl table
- POP (Pick of PR2) table
- POP forward QPD installed
- Interesting channel for X arm IR lock : [[]]
- Table configuration : ongoing
- Mirror cleaning(first contact) and mid-size baffle installation
- PR2 : Installed
- SR2 : Installed
- BS : Installed
- PRM : Installed
- PR3 : First contact (maybe) done
- SR3 : Not yet
- SRM : Not yet (When replacement?)
- IMC (Input Mode Cleaner)
- ASC (Alignment Sensing and Control) done
- Suspension commissioning : ongoing
- PR's suspension middle of June - end of June (two weeks)
- OMC installation : done
- Some unexpected glitch : circuit?
- Alignment : partially done : BS fluctuation large and SRM replacement
- TF measurement : ongoing
- High power laser
- Accepted to install to KAGRA site
- When exchange the laser source : Unknown
- ISS (Intensity Stabilization System) installation : unknown
- Must item before closing chamber