- Investigation into rogue excitation in BSC8 ISI, possibly causing fiber to break. Door will come off.
- BSC6 - looking at south collimator, because of high beam divergence.
- BSC6 - After IAS work, swap cable that connects feedthrough and ISI table for TMS picomotors. 
- Apollo is working on mezzanine electronics
- Bob Rhodes working on HVAC with man-lift in OSB receiving, H1 electronics area, drilling for decking
- Apollo working on split units in MSR
- H1 PSL installing fan panels
- Portable bathroom servicing is here, King Soft as well.
- Paradise Water delivery at 0909 PST
- UniFirst at ~0915
- Praxair at 0927
- Filiberto and Keita at EY to test cables
- 1018 - Bob Rhodes Heating and Air arrives
- 1516 - Control Solutions Northwest arrives for Ski
- 1600 - OSB doors locked