I have an 11 story building that's a mixture of offices and various gyms and some classrooms (it's located on a college campus). They have locker rooms on two floors connected by stairways with no emergency lighting at all. Only the main hall has emergency lighting so some of the dance classrooms, which are large, are dark even though they're next to the hallway. Naturally, the building manager wants emergency lights-especially in the locker rooms and over the stairways-and would like me to quote code so she can justify getting the emergency lights. Any suggestions on what I should tell them? What specific codes would cover this?