Structure Fire

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Reducing the Spread of Structure Fires



This paper gives an overview of just a few of the ways fire companies can help limit the spread of a structure fire. A few factors to take into consideration that are discussed here are ventilation, nozzle type, and time. Along with the ways that these concepts can help reduce the spread of a structure fire are ways that, if used incorrectly or misjudged, can greatly worsen the situation and the behavior of the fire.

Reducing the Spread of Structure Fires

Structure fires can spread very rapidly if proper precautions are not taken. Fire companies have a variety of actions they can take and many factors to
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(West et al.’s, 2009, para. 20-51).

If PPV is used incorrectly it can cause severely dangerous fire behavior which can result in deaths or injuries to firefighters and civilians. Some common problems that can cause this severe fire behavior are the lack of an exhaust opening, an insufficient exhaust opening size, and a lack of leadership and organization. West et al.’s (2009) states that, “If PPV is not effective, increased air flow is accompanied with turbulence and resultant mixing of fuel and air which increases the probability of ignition and rapid fire progression” (para. 20). Overall, ventilation can be a great way to effectively limit the spread of fires, however, incorrect use can worsen the situation and the fire can become an increased threat to firefighters and civilians.

Another thing that can significantly impact and limit the spread of a structure fire is the nozzle type. There are three basic types of nozzle patterns, smooth-bore nozzles, fog nozzles, and specialty nozzles. Each of these is very important and has many different uses during a fire. The one most talked about is the fog nozzle. The fog nozzle can provide a number of stream shapes to suit different types of fire situations. Fog nozzles break the water that runs through it into small droplets, which is believed to create more surface area than a solid stream. The water absorbs the heat and turns it into steam which displaces the oxygen and suffocates
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