3.4.4.4.(8)

Intent 1:

To limit the probability that a fire involving certain rooms will spread to the exit, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.

Intent 2:

To limit the probability that a fire involving certain rooms will spread to the exit, which could lead to emergency responders being delayed in gaining access to floor areas, which could lead to delays or ineffectiveness in 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, including emergency responders.

Intent 3:

To limit the probability that venting of equipment in washrooms, toilet rooms and laundry rooms will lead to a negative pressure in the exit and draw in products of combustion from other spaces, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.

Intent 4:

To limit the probability that venting of equipment in washrooms, toilet rooms and laundry rooms will lead to a negative pressure in the exit and draw in products of combustion from other spaces, which could lead to emergency responders being delayed in gaining access to exits, which could lead to delays or ineffectiveness in 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, including emergency responders, and
• the spread of fire to other parts of the building, which could lead to harm to persons.