Bodycount this episode

[kent_eh]

well even if they are fireproof a building kinda collapsed on Meridith

Did it?
She was in a heavily re-enforced concrete box. They built Level 5 to be able to take any sort of abuse that a powered-up prisoner might unleash on it.

I doubt a mundane building fire would collapse one of those cells. Even if the rest of the building was dropped on top of it.