fire fighting passive system
DESCRIPTION
TRANSCRIPT
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FIRE FIGHTING (PART 1)
QUS 3206/MDM NURUL AINI
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Why is this happen ??
Did you know: nearly 80% of fire deaths are due to smoke?
What did you do if Fire started ??
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FIRE ELEMENTS
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FIRE CAUSES
Use combustible materials in the building.
Negligence in the use of electrical appliances and damaged hardware
Imperfect electrical wiring Negligence on the use of mosquito
coils, gas stove and fuel flammable.
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FIRE SPREADING FACTORS
The surface of material
Heat transfer
rate
Wind direction
Air moisture
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BASIC PRINCIPLE OF FIRE FIGHTING TECHNIQUE
EXCLUDE THE OXYGEN
FUEL SEPARATION
REDUCE THE HEAT
oxyg
en
heat
fuel
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FIRE FIGHTING SYSTEM
ACTIVE PASSIVE
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PASSIVE FIRE FIGHTING SYSTEM
Definition - structural elements of the building that is capable of performing his duties without assistance / require assistance to curb / restrict the spread of smoke into the building during a fire.
Types of Passive System :1- Emergency exit2- Compartmentation3- Construction material
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1- ESCAPE ROUTE Permanent structures that allow
occupants to escape / fire escape to safety on their own without any help.
It is important to provide openings so that smoke is displaced from the escape routes to the outside air.
LOW RISE BUILDING
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Horizontal Exit
Vertical Exit
Final Exit / Assembly Point
1- ESCAPE ROUTE (HIGH RISE BUILDING)
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Horizontal Vertical
Final
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2- COMPARTMENTATION The division / separation wall and floor in
a building, including roof box for multistoried buildings / terrace.
2 methods : Vertical & Horizontal Purpose a- to contain, control, reduce, restrict and delay fire spreading, smoke and heat during a fire. b- embankment to firefighters against fire c- protection to building occupants during rescue themselves d- separate the high risk area
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2- COMPARTMENTATION (TYPES)PARTY WALL
FIRE RATED DOOR
FIRE DAMPER
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CAN YOU TELL WHAT THE STORY OF THIS PICTURE ?
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DISCUSSION 1
Discuss the types of compartmentation that been used for building by providing this matters :
1- Definition2- Objective3- Construction ( sketches is needed)
Duration : 45 minutes
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3- CONSTRUCTION MATERIAL WOOD - has a low thermal conductivity and
fire delay depends on the type of wood BRICK – low thermal conductivity ; almost
reach the level of fire proof CONCRETE - expanding at a rapid rate
between 400-500 º C ; it will collapse during when comes to water
STONE – good thermal insulation GLASS - are more resistant to fire if
installed wire mash BUILDING BOARD -fire resistance force
depends on the thickness & installation.
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OTHER PASSIVE SYSTEMS
FIREMAN SWITCH