LIGO Document D1201456-v2

ISCT1 Duct holes positions

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Document type:
D - Drawings
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This diagram shows the location of the holes that allow the laser beams to enter the ISCT1 table through the lower HAM1 viewports.
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Notes and Changes:
The beam heights from the ground were corrected based on a tape measurement at LHO. Additionally the hole locations are slightly shifted to avoid interference with the existing screws on the panels. The dimension of the flanges were also updated: the inner diameter = 10" and outer diameter = 13".
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