Thank you for the question.
I can tell you that most of the buildings you're looking at in the federal government inventory are part of our portfolio, because they're office buildings in this area.The standard operating procedure is that at six o'clock the ventilation shuts down. I can tell you that because I know exactly when it goes off in my office.
If a department has an operational requirement for longer needs, they contract that with us. For example, some departments run until eight o'clock, depending on their programs and their coverage of the country. By nature, the lights and the HVAC don't shut off completely, but they go down to a lower cycle. We change that during the year, depending on the energy costs required to bring them back up.
If someone is on the floor working, the floor lights stay on or can be switched on manually by the people who stay on the floor.