It’s not feasible for modernish, large floor plate buildings. These buildings are designed around fluorescent lighting and are usually made from tensioned concr

It’s not feasible for modernish, large floor plate buildings. These buildings are designed around fluorescent lighting and are usually made from tensioned concrete that you can’t drill for plumbing. Older, prewar buildings are a totally different story. Basically wherever you see a bunch of mostly empty glass buildings, half of them need to be demolished.