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The DSL with the BICEP penthouse on top, taken from grid south. Note exterior stair access to penthouse and penthouse roof.
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The penthouse from the main roof deck, taken from grid east.
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Looking down at the main roof deck (toward grid east) from the penthouse roof. Note boom crane. We want this operational asap to help bring materials up independently of the Mantis crane.
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The penthouse roof, taken from the top of the stairs, looking toward grid ENE.
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Penthouse roof looking grid west.
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The interior of the penthouse, rotating through 180 degrees...
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DSL/BICEP penthouse taken from the DASI groundshield, looking grid WNW over MAPO and Viper/ACBAR.
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Same view enlarged.
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New machine shop area in DSL first floor
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DSL first floor lab space
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DSL second floor receiving area/lab space. Note ceilings are much higher than first floor.
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Bill and Vladimir on our walk-through
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Penthouse breaker box. 125 A of 3 phase is available, in principle.
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For some reason, the penthouse has its own substation...
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...and power is brought in at 480 V.
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There are two separate glycol heat exchangers installed in the overhead air duct work (why?). The one on the left interferes with the telescope, and will need to move.
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On the roof. Bill indicates where to cut.