3.2.7.8.(3)

Objective

OS1 Fire Safety

Attribution

Intent

Intent 1:

To limit the probability that, during a failure of the normal power supply to a fire alarm system, the fire alarm system will not be capable of performing its intended functions for a length of time sufficient for normal power to be restored, which could lead to:

  • persons not being promptly notified in a fire situation, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons, and
  • emergency responders not being promptly notified of a fire situation, which could lead to delays or ineffectiveness in carrying out fire emergency response operations, which could lead to:
    • delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons, and
    • the spread of fire, which could lead to harm to persons.

Intent 2:

To limit the probability that, during a failure of the normal power supply to a fire alarm system in a fire situation, the fire alarm system will not be capable of performing its intended functions for a length of time sufficient for persons to evacuate or move to a safe place, which could lead to persons not being promptly notified of the fire, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.

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