Gerardo -> removed viewports from the 1, 3 and 7 O-clock positions of the iLIGO adapter spool at X-mid and installed blanks in the 1 and 3 O-clock positions. He installed a 10"-2.75" zero-length reducer at the 7 O-clock position. The 2.75" CF Tee with the pirani and CC gauges which had been removed from the X-mid iLIGO BSC was installed on the zero-length reducer. Kyle -> removed viewport from the 9 O-clock position of the iLIGO adapter spool and installed a blank in its place.