The GC runs scope reviews before bid day if time allows, and again during buyout. The aim is to find gaps and overlaps between trades.
The GC may ask a flooring sub about floor prep, moisture testing, transitions, base and protection. Each answer is a yes, a no or a price.
Have your takeoff open. Answer from what you priced, not from what you think you priced. Send a written follow-up for anything that changed.
A line-by-line takeoff with sources makes this meeting short. You can show where each quantity came from.