I would be present during all hours of operation should an issue arise. I was also considering making myself available to travel with them back to Level 2 if they are returning after dark. Other than that, I imagine basic rules of conduct would be established and would have to be followed or risk blacklisting from the business.

[There are a good many aspects of this that he is open to suggestions about. This topic being at the top of the list.]

Do you have any additional suggestions? I am open to them if anything should come to mind.