sprinklers have been in use in the U.S. since 1874.
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
The chances of
a fire sprinkler accidentally going off are extremely remote.
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.
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 sprinklering 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
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 operation.
American Fire Sprinkler Association