Getting ready for the roof

Updates this week on the building is a lot of inside work while the roof is going on. Went by Sunday since it had been a couple of days since I had snapped a shot and I was very surprised to see men there working!
They were taking different pieces of the duct work from the steel containers in and out of the building, so, I assume they were installing them. The gates were locked, so I couldn't get any closer to see.

Then when I went by today, more work was done on the roof, but again, I couldn't get inside. (I'm really not suppose to go on the grounds without permission and a hard hat. LOL