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Fire Prevention and Protection
Homeowners and business owners use fire prevention and protection tactics to mitigate fire damage. Installing fire alarms, sprinkler systems and establishing evacuation plans are all part of fire protection plans. Ask questions here about fire safety.
778 Questions
How can I adjust Rainbird sprinkler heads to ensure proper watering coverage in my garden?
To adjust Rainbird sprinkler heads for proper watering coverage in your garden, follow these steps:
- Use a screwdriver to adjust the spray pattern by turning the screw on top of the sprinkler head.
- Adjust the distance of the spray by turning the nozzle on the sprinkler head.
- Make sure the sprinkler heads are positioned to overlap slightly for even coverage.
- Test the sprinklers to ensure they are watering the desired areas effectively.
How does an effective fire investigation influence or impact fire prevention activities?
An effective fire investigation identifies the causes and contributing factors of a fire, enabling firefighters and fire prevention officials to develop targeted strategies to mitigate similar incidents in the future. By analyzing patterns and trends, investigators can inform public safety campaigns, improve building codes, and enhance community education on fire risks. This knowledge helps in allocating resources more efficiently and fostering a culture of safety, ultimately reducing the likelihood of future fires. Additionally, lessons learned from investigations can lead to innovations in fire safety technology and practices.
How might a fire start in an earthquake?
A fire during an earthquake can start when gas lines rupture, leading to leaks that may ignite from sparks or flames from damaged electrical equipment. Additionally, falling debris can break electrical wires, creating sparks that can also ignite nearby flammable materials. The chaos of the earthquake can hinder response efforts, allowing fires to spread rapidly. Finally, the shaking may cause accidents with open flames, such as candles or stoves, further increasing the risk.
Can hot sun coming through windows cause plastic bags to catch on fire?
Spontaneous combustion can happen if the glass or other item that has a refractory potential (for example, a glass decoration) focuses the sunrays at the bag and especially if the bag has dark color.
However, many windows are now treated to reduce the sun's glare and heat.
How many smoke detectors should be installed in a 100 square meter room?
It is recommended to have at least one smoke detector in every room. However, for a 100 square meter room, it is advisable to have multiple smoke detectors placed at different locations to ensure comprehensive coverage and early detection of smoke or fire.
Is there uranium in exit signs?
Yes, some exit signs may contain tritium, which is a radioactive form of hydrogen. However, tritium is not the same as uranium. The tritium is used in exit signs to make them glow in the dark without the need for electricity.
Why are there fire doors at school?
Fire doors at school or anywhere else are designed to limit the spread of fire and smoke during an emergency, giving the occupants more time to escape, giving firefighters an easier and safer job of finding and putting out the fire, and reducing the amount of damage caused by a fire.
You can be certain that any fire door is there for a very good fire safety reason and you should NEVER block one open for convenience. All fire doors should be self-closing, whether anyone is there or not.
Which gas can be used to fire extinguish?
Many gases can be used to extinguish fire, but carbon dioxide is used in many fire extinguishers, as an agent and nitrogen is used as a propellant. Sulphur hexafluoride is sometimes used to snuff high-voltage arcing when a power station fuse blows.
Why not to store gasoline in a glass jar?
Gasoline can dissolve or degrade materials such as glass, which can cause the jar to weaken or shatter over time. Additionally, glass is more prone to breakage compared to materials like metal or plastic, which can lead to spillage, leakage, and potential safety hazards. It's safer to store gasoline in containers specifically designed for that purpose, like approved jerry cans.
How does heat move from a fire to a fire sprinkler?
Standard wet-pipe fire extinguishers (the kind that you'll find in most buildings) have 2 components: the fire pump and the pipe system. Within the pipes there is pressurized water, held in place by the sprinkler heads. This water is supplied to the pipes by the fire pump.
If you look carefully at a fire sprinkler head, you'll notice what appear to be glass bulbs filled with a colored liquid. The liquid in these bulbs is extremely heat sensitive, and the heat from a fire in the building will cause it to expand and burst the bulb. This releases the pressurized water from the pipes into the room with the fire. Another type of sprinkler valve uses a "fusible link" that is calibrated to melt and open the valve when it is hot enough.
The release of water by the sprinkler head causes a drop of water pressure in the fire sprinkler system, which sends a signal to the fire pump that it needs to kick on and supply more water pressure to the sprinklers so they can continue to put out the fire. Once the fire is extinguished, the only way to turn the sprinklers off is to shut them off at the pump. This is usually only done with permission of the fire department.
Some fire sprinklers work by turning on the whole system at the signal of smoke or fire and dousing the entire area with water.
Fire sprinklers are often found in public buildings. They are connected to smoke detectors, so when the detectors go off, the fire sprinklers do as well.
Standard wet-pipe fire extinguishers (the kind that you'll find in most buildings) have 2 components: the fire pump and the pipe system. Within the pipes there is pressurized water, held in place by the sprinkler heads. This water is supplied to the pipes by the fire pump.
If you look carefully at a fire sprinkler head, you'll notice what appear to be glass bulbs filled with a colored liquid. The liquid in these bulbs is extremely heat sensitive, and the heat from a fire in the building will cause it to expand and burst the bulb. This releases the pressurized water from the pipes into the room with the fire.
The release of water causes a drop of water pressure in the fire sprinkler system, which sends a signal to the fire pump that it needs to kick on and supply more water to the sprinklers so they can continue to put out the fire. Once the fire is extinguished, the only way to turn the sprinklers off is to shut them off at the pump.
Does the glass tube in a fire sprinkler expand more or less than the liquid inside the tube?
The glass tube in a fire sprinkler expands less than the liquid inside the tube when exposed to heat. This difference in expansion causes the glass tube to break and activate the sprinkler system in the event of a fire.
Is there a chemical with all 4s on its nfpa hazard label?
There are reports that tert-Butyl hydroperoxide has an NFPA 704 rating of 4-4-4, but it is not available in anything over 90 percent concentration, having 2-2-3.
If you are ever in a place that needs such stuff, you are strongly urged to find a different job.
What is the NFPA diamonds for the compound cyclohexane?
Cyclohexane does not have a specific NFPA diamond classification since it is not considered a hazardous material under the NFPA 704 standard.
What is the NFPA Standard that relates to automatic sprinkler systems?
The NFPA standard related to automatic sprinkler systems is NFPA 13, which provides guidelines for the design, installation, and maintenance of sprinkler systems. It covers various types of sprinklers, water supplies, and system components to ensure effective fire protection.
Sand /water
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Anything that will cool the fire below kindling point, or exclude oxygen from the fire.
Are exit signs required to have battery backups?
Exit signs in public, commercial and industrial locations must have a back-up means of remaining illuminated should the power fail. Most signs meet this requirement with a back-up power supply, such as a battery.
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There are special exit signs that use phosphorescence (photoluminescent) material (glow in the dark) that remains illuminated for a short time after a power failure.
Also, some occupancies are not required to have "emergency lighting", perhaps because they are small enough to safely evacuate without lights, and exit signs in such an occupancy are not required to have any backup power at all.
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So, technically, no, not all exit signs are required to have a battery backup. You might want to consult NFPA 101 "Life safety Code" at the library for all the details on exit sign lighting, as well as exit illumination. NFPA 101: 7.10.4, for example, any required emergency lighting must to last for at least 90 minutes, and it must illuminate the exit signs that are not photoluminescent, but not every occupancy requires emergency lighting, let alone backup, or lighted exit signs.
Yes, humans can be flammable. The human body is mostly water, however, so it takes a very high temperature fire to convert all that water to steam and then to ignite the remaining tissue.
We are sometimes subject to (heretofore unexplained) spontaneous combustion. See the related link listed below for more information:
Does a 1 hour fire resistant door really only last 20 minutes before it burns up in fire?
No. A fire resistance rating is determined by the amount of time a partition will prevent the spread of fire, so a one-hour door (and its wall and supports) would have to hold back a typical fire growing for at least one hour. For example, a 20-minute fire rating requires a fire door to withstand an intense fire on one side, rising to over 1,400 degrees F during twenty minutes, and then being hit by a pressurized fire stream, without causing any openings.
List 3 items of information that should be included in fire protection system records?
Who is responsible for fire protection?
What type of occupancy and hazards are involved.
What procedures and policies are in place.
What protection is required to be designed, installed and maintained.
Where each item is located (smoke detectors, alarm pulls, fire extinguishers...).
When each element was last inspected, tested, maintained or replaced.
Who is trained to operate fire protection equipment.
What training they have.
When was the last fire drill and how it was carried out.
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Inspection and testing for wet pipe fire sprinkler systems?
If you want a highly detailed report on exactly what's going on inside the pipe in your system, try www.SonicPipeScan.com.
At a minimum the system should be inspected by a fire sprinkler contractor at least once a year. Quarterly or every 6mo. is better. This should find any problems with the system and keep the local fire marshal at ease.
How should gasoline and kerosene be stored at home?
In containers designed to store them (not glass) and away from sources of ignition, and not accessible to small children (both are poisonous as well as flammable). Ideally, not stored inside the home.
What are the disadvantages of sprinkler irrigations?
That all depends on what crop your working with,if its an orchard then I don't see any down falls as long as you have sprinklers set up under ground ,but if you have to carry all them pipes and lock them together in the orchard,then that would be a down fall,or you ran out of water from your water supply,or broken or clogged sprinklers would have to be a down fall,but flooding it with out sprinklers would be a down fall for sure.
What are ISO requirements for building fire safety?
There are several ISO requirements for building fire safety. The most specific would be ISO/TS 24679:2011; Fire safety engineering -- Performance of structures in fire. The parent ISO standard is ISO/TC 92 - Fire safety.
What education is needed to become a fire inspector?
All you need to do is have a high school diploma and you have to be 18 and then you go to the college and go to the academy and then you become a fire fighter?
In other words you have to have allot of education...
