Reports until 09:18, Monday 12 November 2018
LHO VE
chandra.romel@LIGO.ORG - posted 09:18, Monday 12 November 2018 - last comment - 10:48, Monday 12 November 2018(45215)
GV 1,2 hard closed and HAM6 vented

Hard closed GV 1,2 this morning and then vented HAM6 (~45 min. vent). Dew point measured -45degC just before valving in purge air.

Comments related to this report
chandra.romel@LIGO.ORG - 10:16, Monday 12 November 2018 (45218)

Inserted pins on GV 1,2 gates, but LOTO at power disconnect.

chandra.romel@LIGO.ORG - 10:48, Monday 12 November 2018 (45220)

IP14 on HAM6 had tripped a few minutes before venting. Either HV cable was bumped during chamber cleaning or gas load from compressing o-ring on gate valve exceeded tight pressure interlock. After a couple of hours being off, it turned back on with no problems.