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Portable-Fire-Extinguishers

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These fires are all tragedies that resulted in loss of the ship, loss of cargo, and loss of life. What they all have in common is that each of these fires started small. Small enough at one point to be fought and put out with a portable fire extinguisher. [MUSIC PLAYING] Welcome to our program on ship board fire extinguishers. Very few things are as frightening to a seaman as a fire on board his or her vessel. That's why fire drills are a major part of safety training. Very often when a small fire breaks out on ship, it can be put out using a ship board portable fire extinguisher. So after you've notified the bridge in case of a fire, and evacuated any injured crew members, you can try to extinguish the fire. To do this you need two things. The proper fire extinguisher, and the proper technique. In this program, we will start by reviewing the four types of fires, and the elements needed to sustain and put out a fire. We will then review the types of extinguishers you probably have on your ship. How they are to be used against each of the types of fire, and how to use each of them for maximum benefit. Finally, we will review how to make sure your extinguishers are properly maintained and ready to help prevent a small fire from becoming an inferno. Along the way we will offer tips and advice on how to make the best use of portable extinguishers. OK ready? Let's fight a fire. You will see fire extinguishers in use at the Washington State Patrol fire training Academy in North Bend Washington and we will learn from experts how these simple devices can save the cargo, your ship, your fellow crewman, and quite possibly your life. Any time you're going to put yourself at risk to extinguish a fire here, what is the benefit? If I put the fire out, limit the fire spread, and I get it real quickly with a small fire extinguisher, that's worth some risk. Fires start because of a chemical reaction occurring between three elements. A fuel, such as wood, gasoline or cooking oil, a source of heat such as a welding torch, or an electrical spark and oxygen, or the air we breathe. Fires stop, when you take any one of these elements away. That's what fire prevention is all about, making sure these three elements do not have a chance to react. However if and when these elements do react, to start a fire they're generally classified into one of four types, each symbolized by these familiar old and new symbols. A fires are made of ordinary combustibles such as wood, paper and plastic. B fires are made of flammable liquids such as gasoline, oil, and paint. C fires are started by electrical equipment such as energized fuse boxes, power tools, and cooking hot plates. And D fires are burning combustible metals, such as magnesium or potassium. Alternative classification systems may be used in different countries. Fires involving cooking oils or fats, are designated as class F or K. There are four basic types of portable extinguishers, water, foam, dry chemical and CO2. Water extinguishers work by cooling the fire. Water removes the heat element from the fire triangle. Foam and CO2, smother the fire. In effect removing the oxygen element from the fire triangle. Finally, dry chemical extinguishers break the chemical reaction occurring between each of the triangles elements. Each type of extinguisher is designed for a different purpose. Yet there are features common to them all. They all have a label showing the date of inspection. Each label shows at a glance what type of fire it can be used on. Each label has a numerical rating, the higher the number, the more firefighting power it has. Each extinguishing medium is assigned its own color code, red for water, blue for dry powder, cream for foam, and black for carbon dioxide. A fifth colour yellow, has been added for the new wet chemical type of fire extinguisher. The next time you pass an extinguisher onboard, start to look at its label. Not only will you become more familiar with their location, you will also see the important information on them such as capacity, last inspection, and fire type. It is important to select the right extinguisher. Most extinguishers onboard your ship are probably multi class rated and can be used on a variety of fires. , However it is important to note that sometimes a type of extinguisher should not be used. So this is a room with high value electronics, they'd be negatively impacted by water hoses, or dry chemical fire extinguisher, because the mess would impact the electronics and it wouldn't work anymore. In that setting, it's not unusual to find alternative extinguishing agents for example the CO2 extinguisher located behind me, that type of extinguisher could extinguish a fire in these electronics, a short or an arc or some sort of fire here, and not leave a mass and it'd be easier to repair. Even with the best planning, a fire may break out on board. Before fighting the fire there are some important to be followed. One, sound the alarm. Two, help other crewman who may be in danger, making sure everyone who can has left the area. Three, make sure the fire is confined and not spreading. Four, be sure you have a clear escape route, that's not blocked by the fire. The CO2 is an oxygen displace or so we'll just place oxygen in the room so using it for several minutes, without getting fresh air, without backing towards the door and getting some fresh air, would be negative impact on the employee using it. So it's a quick attack and back away, get out. There may be several types of extinguishers on board. With few exceptions, they all operate in a similar manner. And an easy technique to remember, how to operate them, is with the word PASS, which stands for pull, aim, squeeze, and sweep. P or pull means to pull the pin at the top of the extinguisher, to unlock the release mechanism. Next A or aim, means to stand about three meters from the fire, and aim at the base of the fire. S or squeeze it means to squeeze the lever and discharge the agent at the fire. Releasing the lever stops the flow of the agent. Finally S source sweep means as you carefully move towards the fire, you sweep the hose back and forth until the flames die. After the fire appears to be out, watch carefully for reigniting. If that occurs, repeat the same pass process. As you fight the fire, keep in mind what every experienced firefighter knows, never turn your back on a fire. Never turn your back on a fire . Recharge the extinguisher immediately after each use, regardless of how much it was used. Even if the fire was small, and put out quickly do not return the used extinguisher to its location. Be sure to fully recharge the extinguisher you just used. The fire extinguishers onboard your ships are only as good as their maintenance program. Without proper inspections and maintenance, your ship, its cargo, and crew are all at risk. To make sure your portable firefighting equipment is up to date and ready, all ships should make sure that each extinguisher is inspected and discharged once each year. Also, teach extinguisher should be pressure tested once every four years. On each extinguisher bottle look to see the record of inspection and discharge hung around its neck. Also look to see the date of the last inspection on that same tag. Finally, make sure you know where the instructions for recharging or refilling are located on board. The maintenance requirements vary from flag to flag. Follow your ships FFA maintenance manual for detailed instructions. What we've shown you in this program are some basic types of portable fire extinguishers and some basic techniques. We discussed the basics of fire, reviewing the fire triangle and the different classes of fire. We then looked at several typical portable extinguishers and discussed the type of fires on which they should and should not be used. We reviewed some of the important considerations you should think about, before you begin to battle an onboard fire. We then showed a simple method for remembering a good firefighting technique. Finally we discussed the importance of proper inspections and maintenance. Get in the habit of locating the portable fire extinguisher nearest your accommodation, work and watch locations. Know what type of fire it's meant to extinguish and whether it's in good working order. This little bit of information may help save your life, and the lives of your fellow crew members.

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Duration: 11 minutes and 42 seconds
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Language: English
License: Dotsub - Standard License
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Views: 5
Posted by: maritimetraining on Feb 8, 2017

Portable-Fire-Extinguishers

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