Scraps of text for incorporation in the VIS Meeting Minutes

KAGRA/Subgroups/VIS/MeetingNAOJ

Type B (Mark)

Report for week of 1/29

• Mark made two sets of in-air pico splitter cables (each with a triple for IM and a double for BF) for SR2 and SR3.
• Fabian, Hirata-san and Kozu-kun worked on cabling and testing the IM pitch/roll/yaw picos, the BF FR and the BF LVDT. The LVDT connections were initially unreliable and Hirata-san had to redo the pins on the coil wires.
• Fabian installed ballast masses in the BF.
• Mark worked on schedule.
• Mark did inventory of the stepper motor drivers (many were not accounted for on the wiki and/or JGWDoc and one is missing) and reserved two for SR3.
• We emptied out the external cleanroom in preparation for installing SS sheet.

Plan for week of 2/13

• No work Monday (建国記念の日の振替休日)
• Enzo on vacation
• Hirata-san at Mitaka Tue (self-evaluation interview).
• Shoda-san at Mitaka.
• All others at Kamioka.
• -
• Build IRM around IM.
• Cable/test/adjust IM OSEMs.
• Do TFs from IM OSEMs to IM OSEMs, OL pitch/yaw.

Plan for week of 2/19

• Enzo back from Tuesday.
• Shoda-san at Mitaka.
• Hirata-san at Mitaka Mon+Tue (to receive and wash parts).
• All others at Kamioka.
• -
• Lift BF/... section and check total mass and balance.
• Cable and test BF picos.
• Add section of SS up to SF ring.
• Bring in SF.
• Hook BF/... section.
• Route cables up to under SF.
• Check/adjust total mass of BF/... section.

Plan for week of 2/26

• Shoda-san at Mitaka.
• -
• Add Cu segments to SF cap.
• Lift SF/... section and check total mass and balance.

Vacation Info

• Enzo 1/30-2/19.
• Fabian 4/2-4/27 vacation (then gone).