=== 2019/2/21(Wed.) ===

=== Weekend ===

=== Schedule ===

 * Yend
  * --(1/25-2/20: Yend Pcal finalization)-- 
  * 2/25-3/4: Yend WAB 
  * 3/6~ : Yend pumpdown 3/6~
   * 3/7,8: leak test 

 * Xend
  * --(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

==== Note ====

==== 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.

==== Work plan ====
 * ETMX: Removing FC afternoon.