Reports until 14:39, Friday 11 April 2025
H1 SEI
jim.warner@LIGO.ORG - posted 14:39, Friday 11 April 2025 (83879)
HAM1 ISI moved into transport container, ready to move to OSB for install

Corey, Mitch, Randy, Jim

This morning we finished the gross cleaning of the outside of the storage container for the HAM1 ISI. This sat outside for many years so we started with pressure washing a week or two ago. Today, we wiped the outside of the can as best we could and shifted it into the staging building. We did another cleaning inside, getting what we could out of the latches vacuuming as we went. We then opened the can and cleaned both sealing surfaces of the can, the oring seal and scrubbed the ISI platform multiple times with alcohol wipes. After lunch we wiped it down a final time, used a bit of steel wool to remove some stubborn stains on the bottom of the platform then moved the ISI onto the suspended platform. The ISI is held in place with 4 3/8-16 screws through the top of stage 0 and around 10 all thread studs threaded into the support platform. Lid flew back on and we are ready for the trip to the OSB. Randy moved the install fixture into the LVEA yesterday, so we just have to move the ISI, install cart and lifting bridle to the LVEA. Looking pretty good for ISI install Monday or Tuesday.

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