Ok so there's no chance in hell the concrete has set/cured already, but they are moving big plates under the OLM.

Perhaps it's already good to walk on with these on top? (Pinging construction folk).https://t.co/e3xbqPnwZ5 pic.twitter.com/zGifRRnlu6

— Chris Bergin - NSF (@NASASpaceflight) June 27, 2023