=== 2019/3/25(Mon.) ===

=== 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)--
  * --(3/25: Venting)--
  * 3/26: Leak test

 * ITMX: 
  * --(3/19: Cooling stop)--
  * 3/25: Venting start
  * 3/27: 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)--
  * --(3/22-23: 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)--
  * --(3/24: Removing PD)--
  * 3/25: closing and pump 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 4/1.

=== Weekend ===

 
==== Report of work ====

 * Type Bp: It was fount that there was a big bump at PR2 last week, and Vertical of Oplev was out of range.
  * It was decided to vent again. Venting starts 11am today.

 * CAL: Beam position of Pcal was fixed at ETMX.


==== Work plan ====
 * Vent at center area.