N. Satō, Akutsu

Cleaned up inside of anchor holes for standing the pylon (length 1172 of JGW-D15-3317-v3) with a dedicated tap, and tentatively made the pylon stand there with clamps, bolts, and nuts.  Precise adjustment of the location should be done later, and then to be fully tightened later.

Remaining works for OMMT2 transmission

• Replace the currently-installed mirror with the newer one (30-50 AOI version of JGW-D2113030).
• Install a relevant viewport window there.
• Do the other works in air.