== Plan for the vent from July 20th, 2010 == === Goals === * Installation of the green periscopes * Installation of PRM (approximate places) and 2 TT suspensions * Installation of the IPPOS/IPANG steerings (approcximate places) * Align 1064nm beam to the south arm === Doors to be opened: === * ITM-South: West door * BSC: North door * - * ETM-South: West door * MC access connector === Plan: === * Pre-vent work * 20mW incidence to MC * Vent * Place BS * Steering mirror * IP mirrors * PRM * 2 TTs * Green steering / periscope * How to align South arm? * Post-vent work === Prospect: === * We will be able to align the recycling mirror against the IFO beam - this is a preparetion of the REFL beam alignment * We will be able to work with the green locking (PLL, ALS) * - * MC1/MC3 OSEM adjustment * MC1/MC3 bias adjustment (frame rotation) * How to find IPANG beam?