That just looks plain outright scary to me.. I would not wanna be anywhere near that room let alone inside of it, especially if something were about to fail... I understand that is a room the PoCo and ONLY the PoCo should have access to...
My old highschool had a room like that.. and we did have a failure overnight of one of the 6 cans in that room ( think there was 3 for the 600V supply and 3 for the 120 / 208V... Primary was all 13.8 K.V...

A.D