We are a bit more like a learning commons with dedicated small spaces within a huge room. We don't have a lounge.
Our rules are pretty open-ended and we call them Best Practices
Library Manners - arrive before the late bell or bring a pass, check posted schedules for seating and computer availability, ask for laptops, sign out with a pass for locker/lav/water, respect semi-private spaces (labsm workroom, lit lab, silent study room, be polite.