I have here reproduced, a certain Tokyo Electric Power Company PDF (with alternate download links below),
Note the date of the presentation, above.
Note the vendors
--- 3 & 5 are made by Toshiba, 4 by Hitachi --
This threw me off for a good long time.
One-Fukushima is one of the oldest
-- so they have to ease it into modernity....
Perhaps these sheets needed to be updated?
-- but I am not interposing remarks for my health... *ahem*
It would seem automation is the standard.
Particularly with the pumps.
Pay dirt. Enjoy. Please: comment. I don't claim to be an expert engineer. Gentle Readers, should ye find a moiety of satisfaction hereunder, do share....