This reminds me of something that I have done for both my home and work. I took a map and maped out where different things were in the area. Doing that with an office compound map would also work.

Marking out things like supply rooms, Water sources, electric rooms would be useful. Are there fuel tanks on the property? Is there a cistern or water tower? Are there underground access tunnels between buildings?

These and more questions can be answered...

Rena
SurvivalGene.com