From the very earliest design phases of the data center, the most important concern in disaster avoidance and recovery is for human health and safety. Equipment is important, but it always comes second to people.
Manual controls for various data center support systems should be conveniently located. Controls for fire, HVAC, power, abort or silence, and an independent phone line should be grouped by appropriate doorways. All controls should be clearly labeled, and concise operating instructions should be available at each station.
Keep the following human safety guidelines in mind when planning the data center.
Keep room personnel to the absolute minimum
Authorized personnel should be trained to respond to emergency ...