Tactical ventilation

Question 1

With regards PPV what sizes should the inlet and outlet be?

Answer 1

Inlet should be twice the size of the outlet and upwind.

Question 2

What information should the IC consider in planning to use ventilation tactics?

Answer 2

Building plans
Pib's 
TIC
SFSO
MDT
Safety officer 
Sector commander 
360°

• Life risk
• Fire location - if ventilated
• ## Building- access points, construction, fixed installation

Question 3

Tac vent is undertaken to ?

Answer 3

• Limit or reduce the spread of fire and the products of combustion
• Improve conditions, ie reduce heat and improve visibility
• Dilute and remove products of combustion
• Assist with the evacuation of the building
• Improve working conditions and casualty survivability elsewhere in the building

Question 4

Establishing the Tac vent plan

Answer 4

• Assess prevailing wind conditions affecting potential ventilation pathways
• The availability of suitable ventilation inlets and outlets
• Identify the ventilation pathway