LIGO Document E1300928-v2
- This document summarizes the tests done to validate the HEPI L1 ITMX (BSC3) assembly and installation. As all L1 HEPI BSC, it had been installed since 2004 at Livingston. However, it had been grounded for the 2 to 3 years of aLIGO install. All electronics has been updated since, and more importantly, the position of the ITMX support tubes (i.e. the position of the 4 HEPI ITMX boots), but not the one of the housings, was adjusted to accommodate for Initial Alignment needs. All tests were completed by June 2013.
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