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Door Entry Techniques

Posted by Shan Raffel
Shan Raffel
“Shan has pioneered and championed a global paradigm shift in fire fighting tech
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on Friday, 09 October 2015
in Industry Insights

Door Entry Techniques – Many variations

If you ask 5 firefighters about exactly how to perform door entry technique you will probably get about half a dozen different opinions. Many of these are very rigid and involve a set number of pulses with a specified cone angle.

I tend to take an outcome based approach. What are we trying to achieve?

Firstly we need to cool the gases and linings around us so that the smoke or flame that exits the door meets cool gases and moist surfaces. After reading the fire behaviour indicators we need to cautiously open the door and introduce water fog into the upper zone to cool those gases. The risk assessment conducted may indicate the entry is not possible. Or it may be necessary to repeat the process several times. How many pulses, their duration and angle will be largely dependent on the geometry of the compartment and the stage of fire development. High ceilings will require a narrower cone angle. I still believe in hitting the ceiling with a jet to dislodge any loose debris. This can also assist in cooling the gases particularly in the case of high ceilings.

Large spaces with a well developed fire will need to have medium to long pulsations to have any meaningful cooling effect.

Don’t forget that if you open the door and you can see the fire base it is ok to put water on it!!!! After all the purpose of gas cooling is to help us get to a point where we can put water on the fire. Some people forget that it is only a control technique suitable for small compartments.

If we teach firefighters WHAT needs to be achieved and WHY, they will be able to work out HOW.

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“Shan has pioneered and championed a global paradigm shift in fire fighting techniques that are now accepted as standard practice. His expertise in this area is what drives QLFA seamlessly through the industry”

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