What is a defensive attack in firefighting?
What is a defensive attack in firefighting?
NIOSH defines a defensive attack as an “exterior fire attack with the emphasis on exposure protection. The commitment of a fire department’s resources are to protect exposures when the fire has progressed to a point where an offensive attack is not effective.”
What is the best method for fire attack?
Direct Attack Perhaps the most widely known technique – this suffocates the flames as the water is aimed at the base of the fire. Aiming the stream of water at the base of the fire, this technique works best using a concentrated, powerful jet of water that suffocates the flames.
What is an offensive attack on a fire?
Offensive attack means that hoselines are moved forward in an offensive manner, whether deployed through a window or door opening or from the interior of the structure. The initial incident commander at a dwelling fire must decide whether to initially make an offensive-exterior attack or offensive-interior attack.
When attacking Automobile fire fighters should approach a vehicle from uphill upwind moving from side to side at a degree angle?
When attacking a vehicle fire you should: Approach from the side at a 45 degree angle.
What does defensive fire mean?
The defensive mode is chosen to isolate or stabilize and incident to ensure it does not get any worse. This may mean sacrificing the building on fire to save others that are not involved. During the defensive operation, place large exterior fire streams between the fire and the exposures to prevent fire extension.
What is offensive ventilation?
The offensive tactic is direct ventilation of the volume in which the fire is developing, combined with fire extinguishing resources. This tactic aims to modify the behavior of the fire and quickly reduce its intensity.
What is a defensive fire?
Fire delivered by supporting units to assist and protect a unit engaged in a defensive action.
What would be some of the situations requiring a defensive fire attack?
A defensive operation should be initiated when fire conditions prevent an interior attack such as when the structure is unsafe for firefighters to enter and no civilian lives can be saved and when the fire is beyond the control of hand lines. Fire location/size. Bulges in walls.
Which method for attacking ground cover fires is action taken against flames at its edge or closely parallel to it?
direct attack
Fire Control Strategies A direct attack is action taken directly against the flames at its edge or closely parallel to it.
What does the E stand for in the acronym Slice RS?
C – Cool from a safe distance. E – Extinguish. R – Rescue. S – Salvage.
What is defensive and offensive?
Summary: Offensive behavior is characterized as an attacking and active attitude, while defensive behavior, coming from the recipient of all action and intention, is a combination of alertness and a passive position.
When should a fire be ventilated?
Fire ventilation should be implemented as soon as possible during the fire and rescue operation. If the fire is fully developed in one or more rooms, it is very often better to focus on fire ventilation of the adjacent rooms where the fire has not yet spread.
What is the difference between offensive and defensive fire attack mode?
If the fire attack starts exterior and stays exterior, you’re in a defensive attack mode. If the fire attack mode ends on the interior, it’s an offensive attack mode. Regardless of the fire attack mode used, how you apply water to the environment falls under the direct or indirect attack method.
What is an offensive attack?
Command or the first arriving engine has important decisions to make on which attack to do, hopefully they make the correct one for everybody’s safety and property. An offensive attack is when “fire fighting operations make a direct attack on a fire for the purpose of control and extinguishment” (shackleford, 2009, p.104).
What is a defensive operation in a fire?
This may mean sacrificing the building on fire to save others that are not involved. A defensive operation should be initiated when fire conditions prevent an interior attack such as when the structure is unsafe for firefighters to enter and no civilian lives can be saved and when the fire is beyond the control of hand lines.
What is a smooth bore nozzle?
As the term “smooth bore” literally means, these nozzles have a clear passage through which water can flow smoothly; therefore, they don’t get clogged by debris as easily as other types of nozzles. When used on handlines, the smooth bore nozzles can produce solid streams at a nozzle pressure of 50 pounds per square inch (psi).
