Eric Gustafson here this week to work on optical levers, TCS and 3IFO. PEM cabling at end Y and corner station. Possible work on PCAL HW at end X this week. Quad take down from test stand to be scheduled. Jeff B. and Andres working on 3IFO storage this morning. There will be craning. LVEA will be transitioned to bifurcated laser hazard. Corey may work on kitting 3IFO ISC hardware in the squeezer bay. Possible work on adding seismic sensor correction to HAMs 2 + 5. Contractor scheduled this morning to fix PSL AC unit that was found knocked over. Digging continues for trench to warehouse, should be cutting asphalt today. Temperature excursions at end Y and end X on the order of 1 - 1.25 deg F.