=== 2019/3/22(Fri.) ===

=== Schedule ===
 * Center
  * --(2/26-27: Venting)--
  * 2/28-3/15: Health check and maintenance for VIS
   * --(PRM: One flag was dropped. -> leave it)--
   * --(3/4-14 PRM: Misalignment does not reach where beam hits damper.)--
   * --(3/6 PR3: range -> incline by 20-30mrad at mirror because of bistable.)--
   * --(3/15: BS:  Yaw offset adjustment by hand. -> 3/5-6)--
    * --(3/12: BS ok)--
   * --(3/15: some SRs work)--

  * --(3/5 afternoon or 3/6 morning: Coolers for ITMs will be stopped for 2-3 hours to change water.)--
  * --(3/18: Re-alignment)--
  * --(3/19-21: Closing)--
  * 3/22: pump down

 * ITMX: 
  * --(3/19: Cooling stop)--
  * 3/28: Opning chamber
  * 3/28: Fixing thermal touch
  * 3/29: closing chamber and start pumping down.
  * 4/1: Start cooling.

 * Yend
  * --(1/25-2/20: Yend Pcal finalization)-- 
  * --(3/5: EYA remaining works by Enomoto, Inoue.)--
  * --(2/25-3/5: Yend WAB finalization)--
  * --(3/6: Y end closing (no laser hazard at least in the morning))--
  * --(3/7: Y end pump down)--
  * 3/22: leak test
  * 3/27: cooling start

 * Xend
  * --(2/11-2/14: Xend NAB installation)--
  * --(2/21: Removing FC, Payload release)--
   * --(2/27: ETMX release)--
  * --(2/23-3/6: Xend Pcal finalization 1)--
   * --(Periscope installation)--
   * --(3/6: Beam position by IR and Green)--
  * --(3/5 AOS: EY and EX(if they have time) work.)--
  * --(3/6: Green X alignment (no IR), and no hazard at Y end.)--
  * --(3/11, ~20: Xend WAB finalization.)--
  * --(3/11~3/15: ETMX tuning.)--
  * --(3/19: ETMX finalization by Takahashi)--
  * --(3/18,19: ETMX alignement)--
  * 3/23-24: Pcal alignment
  * 3/25: Removing PD
  * 3/25: closing
  * 3/26: Pumping down
  * 4/2-4: Leak test
  * 3/27: Cooling start
 
 * 3/25~ : Night work officially starts, daily meeting will be moved to 1PM
  * Summary of work will last for a while in the morning meeting.

 * 2/18-2/22: PRMI commissioning
 * 3/25~?: DRMI commissioning
 * 3/25-4/19: Y arm commissioning
 * 3/25-4/19: FPMI commissioning

==== Note ====
  * Official night work starts 3/25, but not determined yet.
  * Please DO NOT close laser shutter, this is for long term measurement. Currently laser is stopped thin foil at the end of PSL.

=== Weekend ===
 * Pcal: (Sat?, Sun) Alignment check at ETMX.
 * COM: (Sun) alignment work in the mine.
 
==== Report of work ====

 * Type B: It was found that BS was necessary to fix some hight issue yesterday.
 * Center area, all the chambers were closed by the end of yesterday, and pump down has just started this morning.

 * COM: Alignment was done by the night of day before yesterday.
 * Type A:
  * ETMX has been confirmed that it is healthy.
  * ETMY: IP was something wrong and still alignment was not finished day before yesterday.
   * Motor had some problem, and it will be fixed.
 * Type B: SR2 oplev is being tuned in these days.



==== Work plan ====
 * Drift for all PRMs BS and SRMs will be monitored by Fabian, Terrence and Mark.
 * Yend leak test will be done today.