To use a fire extinguisher, pull the pin, point the nozzle at the base of the fire, and hold down the trigger, covering the fire with a sweeping motion. There are two fire extinguishers in each lab: one at the front of the lab near the blackboard, and at the back near the main hood.
Can you use a fire extinguisher on a lab surface?
ABC, dry chemical and CO2 fire extinguishers should not be used to put out a Class D (flammable metals) fire. … Frequently, these fires erupt on a combustible surface such as wooden lab bench or storage shelves and the entire scenario quickly takes on very serious consequences.
How do you use a fire extinguisher step by step?
The acronym PASS is used to describe these four basic steps.
- Pull (Pin) Pull pin at the top of the extinguisher, breaking the seal. …
- Aim. Approach the fire standing at a safe distance. …
- Squeeze. Squeeze the handles together to discharge the extinguishing agent inside. …
How can you extinguish a fire in the lab?
……Pull the Pin. at the base of the flames. holding the extinguisher upright. the extinguishing agent.
- Notify: Other occupants of the immediate space (yell) …
- Evacuate. The immediate area of the problem. …
- Isolate. …
- IF SAFE TO DO SO, attempt to extinguish.
When should you not use a fire extinguisher?
When do you not use a fire extinguisher?
- The fire is too big or would require more than one fire extinguisher.
- Fires involving escaping gases, high voltage electrics.
- The evacuation route is obstructed.
- There are high levels of smoke.
- The area is too hot.
- You have not been trained.
What should you not do if a person’s clothes suddenly catch fire in a lab?
If your clothing catches fire, do not run or take other action that will fan the flames. Immediately drop down and roll on the floor to extinguish the flames. Laboratories are also equipped with fire blankets for extinguishing clothing fires.
What is a fire blanket used for in a lab?
A fire blanket is a versatile safety aid. It is used primarily as a first aid measure for prevention of shock rather than as a fire extinguisher for burning or smoldering clothes. It is also useful to contain and control chemical spills in the laboratory. The fire blanket is a one-use safety aid.
What is the best defense against fire?
As always, the best defense against a fire is to be prepared. Take a moment to look at your fire extinguisher.
Where should fire extinguishers be located in a lab?
Fire Alarm Pull Stations -located at all exits and adjacent to Fire Cabinets Fire Extinguishers: -located in all labs at exit Eyewash Stations: -located in all laboratories.
What is the first thing to do in a fire?
Activate the first fire alarm you see and try to help others to evacuate the building. Close doors behind you to help prevent the fire from spreading. Follow the evacuation procedure if you’re at your workplace or follow the escape route signs if you’re a visitor. Listen to instructions given by the Fire Marshal.
What are the 2 things to checked before using a fire extinguisher?
Examine the extinguisher for obvious physical damage, corrosion, leakage, or clogged nozzle. Confirm the pressure gauge or indicator is in the operable range or position, and lift the extinguisher to ensure it is still full. Make sure the operating instructions on the nameplate are legible and facing outward.
What sequence of steps should you follow when using a fire extinguisher?
A: Aim the extinguisher nozzle on the hose low, toward the base of the fire. S: Squeeze the handle or lever to discharge the extinguisher. S: Sweep the nozzle back and forth. Keep the fire extinguisher aimed at the base of the fire and move it from side to side until the flames are extinguished.