aLIGO Systems Layout LLO Y-End Station.
In the related documents below there is a link to: - LIGO-D1201231: Rack & Cable Tray Layout, Y-End, BSC5-L1
For now D1201231 should be the location used for the X-Vacuum layout for e.g. the cable tray routes and the external Optics Tables locations.
Updated to reflect addition of PCAL Periscope Baffles. Drawing also now includes details on access to various critical components of the Cryopump baffle and PCAL Periscope.