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We looked inside some of the posts by firefighting-knowledge-news and here's what we found interesting.
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Fire Ladder Trucks: Lifesaving Giants of the Firefighting World
Ladder trucks generally are in charge of making sure the rescue equipment gets on scene as well as some of the main responsibilities of a ladder trucks crew are as follows
Forcible entry
Roof Operations / Ventilation
Search and Rescue
Overhaul
And of course Ladders! The key takeaway of a Fire Ladder Truck is that it has a ladder that is extendable between seven five feet and hundred and ten feet depending on department needs, regulations and building heights. When a fire truck is extending its ladder it must use its ground support stabilizers called outriggers. These outriggers extend underneath the truck to create a stable base that can lift the truck off the ground, making it safe for the Fire units to load the ladder and not have the ladder tip over causing further problems on scene.
Thanks for learning with me today, I hope you can now tell the difference between what a Fire Ladder Truck is and what a Fire Engine is.
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The Mighty Fire Engine: Guardians of Fire and Rescue.
What makes a Fire Engine is that it's equipped with a pump and roughly five hundred to one thousand gallons of water.
It has a centrifugal pump has the capability to move large amounts of water about fifteen hundred gallons per minute. This pump has a large rotating shaft that in enclosed in a casing. It has a received end and a discharging end. The Impeller spins around building up pressure forcing the water to go through the discharge outlet.
Fire engines are the most common you'll see and its the most important when it comes to fighting fires. Reason is because its the one that carries the pump for the water to have pressure and the units on scene can do their jobs fighting the fire, saving property and peoples lives.
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What is a Flashover?
When the room and contents all share the same temperature and oxygen is suddenly introduced you can cause what firefighters call a Flashover.
Definition for Flashover: an instance of a fire spreading very rapidly across a gap because of intense heat.
Never would you want to be inside of a flashover because temperatures can reach way above 930 Fahrenheit to 1200 Fahrenheit. In some instances depending on the environment temperatures can reach well past 1500 Fahrenheit.
Typically during a flashover the entire room can be already gone and at this point a defensive attack would be more suitable to keep everyone else safe. The picture above shows the whole room on fire and it there to demonstrate that no suitable property would be left to save.
That's a flashover!
Thank you.
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What is a Backdraft?
A backdraft is a very dangerous but if seen from a safe distance can be very interesting and cool to witness in person. Basically what happens during a backdraft is when new oxygen enters a fire that has consumed all of its available oxygen, a sudden explosion can occur.
A way that this can happen is when firefighters show up on scene to a fire all the doors and windows can be closed and the fire has been consuming the available oxygen inside the house. When firefighters arrive on scene they must be very cautious when attempting to open any window or door because that can be a source of fresh oxygen that a smoldering fire can utilize to kick start back up. Once that fire triangle is reintroduced that is when the potential for a backdraft is there.
Here is a picture of what a backdraft can look like.
Thank you for reading the blog post.
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More Information on Fire Fighter Ladders
I know, but trust me on this one this post is gonna wrap up with a cool and interesting part of a special technique.
Sometimes a Firefighter would need to utilize this kind of approach when escaping from a building. It's called the Headfirst ladder Bailout.
Once the firefighter is on the ladder looking down on the ground he or she would then rotate themselves on the ladder and slide down.
I never had the opportunity to train like this but one day during some company training ill have to definitely give it an attempt. First time I witnessed this kind of bailout I was hooked from the start. It looks cool and feels cool, if you perform it correctly. Ladders can be some marvelous and nifty pieces of equipment so remember to always learn your tool and learn it well and then use that knowledge to practice using it perfectly.
Perfect practice makes perfect.
Thank you.
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Firefighting Equipment Part 3
10ft, 14ft, 24ft, 35ft, Ladders!!! This subject was my favorite part when it came to my fire academy. We had a full week to learn, discuss and practice on ladders and if we passed that week the captain on duty allowed us to climb the Platform tower truck that can reach 95 feet at a maximum angle of 80 degrees!!! I was stoked for the last day of the week to come around.
These are extremely helpful when it comes to having to ventilate a roof because the smoke and heat conditions are so bad for the Firefighter inside that creating a hole in the roof can allow all the fumes and heat to raise up and escape out. Also extremely helpful with helping victims who can be trapped on the 2nd floor or higher at times to be assisted by the Firefighter to be lowered down to the ground and to safety away from the fire.
These weights can vary by manufacture and Fire company but it's a good rough estimate to remember when you see a firefighter carrying around a 24ft or 35ft that what he or she may be doing isn't no joke.
Thank you.
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Firefighting Hose 101
A Firefighter has many different options when it comes to fighting fire and one very important part is the hose that which is used to flow the water from the engine to the nozzle.
There are three universals sizes of hose that manufactures make for many fire departments in the country.
The first one is one inch and 3/4 and this is called "Inch and three quarter" These are typically lighter weight and can be dragged around for longer periods of time with only one real caveat. It flows less GPM compared to the commercial size hose. GPM stands for Gallons per minute. The commercial size hose is typically the two inch and 1/2, this is called the deuce and a half. Firefighters can use this asset to fight bigger fires because bigger fires require more water, that means more GPM. Our last hose is the five inch. It's the LDH (Large diameter hose). This hose is five inches in diameter and is 100% the supply line for fire engines to pump water through and also receive extra water from hydrants or other trucks. Without five inch the job can't be done and seen all the way through.
The five inch is normally yellow and usually connects a water source such as a fire hydrant to the fire engine. The LDH can sometimes run across the roads, remember to always pay attention to what's in front of you and never attempt to drive over an LDH because that can harm your car as well as harm the firefighters inside the building who very much need that water.
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Firefighting Equipment Part 2
The Irons!!
You're on scene and your Fire Chief has asked you to open up a door and start a search for victims inside of a building. The Irons which are a combination of the Firefighter Axe which everyone has seen before in movies and another very strong tool which is the Halligan.
The Halligan has three parts to it and each have its own very important aspect that assist a Firefighter to breach open a door and potentially get any victims trapped inside or help the Firefighter suppress the flames.
This is what the Adze and the Pick end of Halligan look like. The Adze are the flat end that can assist with interior opening doors and the pick is there to assist with deadbolts that can use some heavy steel to knock it out of place. Now the other end of the Halligan has the Forks and those help with exterior opening doors being able to fit in between the door jam and pry that door lock open.
The Fireman's axe is part of this combination because the flat end of the axe that can be used to apply extra needed force to drive any part of the Halligan further inside the doors structure exposing any kind of vulnerabilities.
Thank you.
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Dangerous job but rewarding job
Firefighting is a dangerous job, but firefighting is an extremely rewarding job. The people that we can save and the people that we help save their property is the most satisfying feeling.
"Remember who called you" That's a quote I heard from my Chief and it stuck with me. We are the individuals trained and we are the ones that have the equipment to come and help. 911 is our country's emergency line. 911 is equipped with well trained dispatchers who can receive that call and direct help to come. When firefighters arrive on scene our main focus is to find the victims and get them to safety. Fire is a living and breathing form of nature. It will consume everything if left alone. Today a firefighter got badly injured doing their job in New York City, please say a prayer to them and their family.
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Firefighting equipment!!!
Jaws of life!
This isn't my quote but I absolutely love it "Jaws of life became a tool to snatch you from the jaws of death" This tool was introduced by HURST tools in 1961. Firefighters can use this tool to assist with breaking and spreading apart the pieces of a car that can become unrecognizable in a vehicle crash. This kind of tool matches well with another tool called the cutters.
With these tools, combined with experienced firefighters can leave no mission to hard to complete. Victims of car crashes can get themselves in a very dangerous situation with metal being bent or crushed around the driver or potentially anyone else in the vehicle. These tools can break away the parts that can be pinning a victim inside the vehicle.
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Firefighting
Hello! My name is Joshua, I am very passionate about Firefighting. I currently volunteer at my local station and I like to learn something new about the job as often as I can. I hope you do as well. Here you'll find me posting about some cool trucks or cool equipment we firefighters might bring to a scene to help. Ill also try to throw in some knowledge about fire and how we firefighters can fight fire.
Thank you.
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Your Firefighting knowledge for today!
Have you ever heard of the acronym ARFF? This stands for Aircraft, Rescue, Fire, Fighting.
Now you may ask, why would there be a specific firefighting truck for aircraft? Can't a regular firetruck do the same job?
Well a firetruck can very easily pump water down the hose line and assist the nozzle firefighter to put out the fire on an aircraft, but that leaves the nozzleman to be in the danger zone of an aircraft filled with hundreds of gallons of jet fuel. As well as the amount of water it would take to put the fire in check would take too many nozzleman and sometimes, fire stations aren't equipped with enough firefighters. This specific firetruck is equipped with over 3000 gallons of water and a very large nozzle on the front bumper and sometimes on specific models have a second attacking nozzle on top. A nozzle that big is ready to push water up to 600 gallons a minute and can shoot it across roughly 60 feet away from its starting point.
An ARFF truck can also be equipped with roughly 200 gallons of firefighting foam which it is able to mix with the water to apply a soapy film over the fire. Scientifically a fire requires 3 things to be a fire, those are
1. Fuel source.
2. Heat.
3. Oxygen.
With the ARFF trucks foam it can eliminate the oxygen side of the fire triangle and that can break the chemical reaction.
These trucks have something very special that other fire trucks can't do and that is they are able to flow water and be in drive at the same time. These trucks can drive to the scene and attack the fire trying to suppress the flames and then also move when a better angle opens up. They are also equipped with many other great tools to aid potential victims that might be involved with the aircraft.
Thank you. I hope everyone has a great day.
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