All building systems are not created equal.  Too often building systems are grouped together by function or application. A good example is life safety systems. These systems include fire alarm, security, sprinkler, suppression, nurse call, sound, etc. All of these systems have life safety implications, but their service requirements are quite different. Fire Alarm, sprinkler, and suppression systems are passive systems. Unlike interactive systems like card access, CCTV, HVAC, or elevators, no one is interacting with them on a daily basis. Typically the building operator is made aware for the need for service when interactive systems fail. These failures are typically brought to the attention of the building operator quickly, often by multiple parties.  This is not the case with passive systems.

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