Clear Desk
We had a clear desk policy after a little incident at the office block where I worked.
http://www.highrisefirefighting.co.uk/cstelstar.html
We were based on the 6th Floor (the fun started on the 7th). What was very noticeable was that the stuff that was in cupboards and desk drawers etc survived. Stuff that was on desks was water damaged and, in many cases, had sprouted quite a lot of green hair and possibly some new antibiotics - as it was a few days before anyone could get safe access to recover it, and there was a lot of moisture in what was for some reason quite a warm building ...