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Automatic
Fire Sprinklers
Automatic Fire Sprinklers:
The Facts
- Automatic fire sprinklers have been in use in the U.S. since
1874.
- Fire sprinklers are widely recognized as the single most effective
method for fighting the spread of fires in their early stages
- before they can cause severe injury to people and damage to
property.
- When one fire sprinkler head goes off to fight a fire the entire
sprinkler system does NOT activate. Sprinklers react to temperatures
in individual rooms.
- The chances of a fire sprinkler accidentally going off are extremely
remote.
- Installation of fire sprinklers can provide discounts on insurance
premiums.
- The costs for installing fire sprinkler systems in buildings
6 to 8 stories high ranges from under a dollar to about $2.00
per square foot in most new construction and from about $1.50
to $2.50 per square foot for retrofitting sprinklers in existing
buildings.
- The installation of fire sprinklers in new residential construction
is estimated to make up around 1% of the total building cost.
(Similar to the cost of new carpet)
- Over 200 U.S. communities have residential sprinkler laws. Roughly
100 of these communities are in California. In downtown Fresno
for example, there has been fire damage of only $42,000 during
a 10-year period in which its sprinkler law has been in effect.
- According to the National Fire Protection Association, property
damage in hotel fires was 78% less in structures with sprinklers
than it was in structures without sprinklers during the years
1983-87. (Average loss per fire was $2,300 in sprinklered buildings
and $10,300 in unsprinklered buildings.)
- Nearly half of all hotels and motels, according to a 1988 survey
by NFPA, have sprinkler systems.
- NFPA has no record of a fire killing more than two people in
a completely sprinklered building where the system was properly
operating, except in an explosion or flash fire or where industrial
fire brigade members or employees were killed during fire suppression
operations.
MYTHS AND FACTS ABOUT
AUTOMATIC FIRE SPRINKLERS
Automatic sprinkler systems have enjoyed an enviable record of
protecting life and property for over 100 years. Yet, there are
still common misunderstandings about the operation and effectiveness
of automatic fire sprinkler systems:
- Myth 1: "Water damage from
a sprinkler system will be more extensive than fire damage."
Fact:
Water damage from a home sprinkler system will be much less severe
than the damage caused by water from fire-fighting hose lines
or smoke and fire damage if the fire goes unabated. Quick response
sprinklers release 8-24 gallons of water per minute compared to
50-125 gallons per minute released by a fire hose.
- Myth 2: "When a fire occurs,
every sprinkler head goes off."
Fact:
Sprinkler heads are individually activated by fire. Residential
fires are usually controlled with one sprinkler head. 90% of all
fires are controlled with six or fewer heads and a study conducted
in Australia and New Zealand covering 82 years of automatic sprinkler
use found that 82% of the fires which occurred were controlled
by two or fewer sprinklers.
- Myth 3: "A smoke detector
provides enough protection."
Fact:
Smoke detectors save lives by providing a warning system but can
do nothing to extinguish a growing fire or protect those physically
unable to escape on their own, such as the elderly or small children.
Too often, battery operated smoke detectors fail to function because
the batteries are dead or have been removed. As the percent of
homes in America that were "protected" with smoke detectors
increased from zero to more than 70%, the number of fire deaths
in homes did not significantly decrease.
- Myth 4: "Sprinklers are designed
to protect property, but are not effective for life safety."
Fact:
Sprinklers provide a high level of life safety. Statistics demonstrate
that there has never been any multiple loss of life in a fully
sprinklered building. Property losses are 85% less in residences
with fire sprinklers compared to those without sprinklers. The
combination of automatic sprinklers and early warning systems
in all buildings and residences could reduce overall injuries,
loss of life and property damage by at least 50%.
"Together We Can
Save Lives And Prevent Injuries"
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