24-hour lighting

I looked thru all 2000+ comments and didn't see this addressed. I have a hotel project with a pool, fitness room, vending/ice machines, ect. The owner doesn't want these spaces to ever be dark. Some spaces like the fitness room are available 24/7 and they want it to be inviting even when not in use. They'd like 1/3 of the lights on 24/7 and the remaing on an occupancy sensor. I don't think this meets the requirements of ASHRAE 90.1 that all lighting have automatic shut off. I know there is an exception for spaces intended for 24 hour operation. I am using this exception for the Hotel lobby and corridors lights. The User's Manual for 90.1-2007 says, "The Standard does not require automatic shutoff for spaces intended for 24-hour operation." This sounds simple but has a very large gray area. I'm looking for opinions from others. Where is the cutoff on what 24-hour operation means? In use? Available for use? There is a large glass wall between the rooms and the corridor. People assume a dark room means the space is closed. I want to meet ASHRAE but also meet a client's needs. Thanks.