kyle.ryan@LIGO.ORG - posted 16:55, Monday 17 October 2011 (1577)
Kyle, Gerardo vented YBM
As expected, opening GV6 after being soft-closed for >3 hours caused PT114 & PT124 to alarm from the release of unpumped gate annulus accumulated gas. Alarm threshold 1e-7 torr. Leaving GV8 soft-closed for crane activity over XBM tomorrow.