Importance of Fire fighting System in High-rise Buildings for Commercial

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Importance of Fire fighting System in High-rise
Buildings for Commercial

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CAD Outsourcing
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Introduction
In the present century, high-rise buildings are
built more compared to smaller ones. The main
reason for this is continually increasing
population and land price. With this
advancement, there also comes some negative
elements associated with it. The greatest risk of
this modernization is fire disaster. According
to statistics, the number of fires in high-rise
buildings is increasing every year. If we look
down to history, we have numerous examples of
fire taking place in high-rises and skyscrapers.
NFPA(National Fire Protection Association, USA)
holds Fire Investigations database which records
two of the deadliest fires that took place in
high-rise buildings 1. A fire took place in
World Trade Centre or the twin towers in
September 2001 that cause the death of 2,666.
2. Another deadly fire took place in Brazil at
an office building in February 1974 that cause
the death of 179 civilians.
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Introduction
Reasons of fire in high-rise building High-risers
have complicated structures and functions. They
have multiple combustibles like wallpaper and
curtains. Thus, it catches fire quickly as there
are multiple staircases, shafts, and air
passages. As the vertical height is more, it
becomes too difficult to evacuate. Fire
extinguishing from outside becomes a concern
here, as it is difficult to put out the fire in
such building having a height in hundreds of
meters. Other reasons include natural
calamities like earthquakes, forest fires, etc.
Human carelessness is also a reason for ignition
of the fire.
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Introduction
What is a Fire-Fighting System? In order to
prevent fire in multi-storeyed buildings, there
comes a rescue system known as the fire-fighting
system. A fire-fighting system is basically a
system that prevents the fire from spreading
around. It is vital to have a pre-fire plan for
such buildings that cover the entire building
occupancy such as floor, elevations, staircases,
and pipes. Most of the buildings these days
consists of Fire-Fighting Systems such as
fire-extinguishers, water sprinklers,
fire-hydrant systems the nature of which depends
on the size and type of the building.
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Introduction
Understanding fire-fighting system A
firefighting system consists of three parts
Fire-Storage Tanks A fire storage tank
consists of a large amount of water in a tank
that is stored underground or top of the
building. These tanks remain filled all the time
and it does not have any outlet other than the
water pumping system. They are very much
different than the domestic water storage tanks
in terms of design and maintenance. Fire
Pumping System A Fire Pumping System is situated
very close to storage tanks in the pump room.
These pumps are pressure controlled. So, when a
fire extinguisher opens a hydrant the pressure
level automatically drops to switch on the fire
pump and water comes out of the system. These
pumps are turned off manually to ensure the
system works in case of malfunction. The
Distribution System It consists of steel pipes
welded together at the joints. They are of two
types one is the wet system in which the pipes
contain water as a hydrant the other is the dry
system in which the pipes contain air as a
hydrant. Some of the buildings consist of a
manual system that operates on a fire engine to
pump water into the system.
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Introduction
Design of fire-fighting system As a
fire-fighting system plays a vital role in
reducing the risks caused by fire, it becomes
important to have a properly designed
fire-fighting system. Technically, designers use
firefighting layout drawing, fire sprinkler CAD
drawings, fire fighting system CAD drawings, fire
protection drawings, and fire coordination shop
drawing to provide a well-built fire
extinguishing system. Fire Fighting Layout
Drawing A firefighting layout drawing consists
of a layout of the fire extinguishing system
including all the elements of the system.
Fire Sprinkler CAD Drawings Fire sprinkler CAD
drawings and firefighting system CAD drawings are
to be designed while keeping the layout of the
building in mind. Thus, they are generally
designed by sprinkler contractor using technology
such as CAD(computer-aided design).
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Importance of Fire fighting System in High-rise
Buildings for Commercial
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Importance of Fire fighting System in High-rise
Buildings for Commercial
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Importance of Fire fighting System in High-rise
Buildings for Commercial
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