FUNDAMENTALS OF FIRE SAFETY - ciiersafety.com V.pdffundamentals of fire safety v ravindranath...
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BEHAVIOURAL ASPECTS AND CONTROL MITIGATION
FUNDAMENTALS OF FIRE SAFETY
V RAVINDRANATHNATIONAL F IRE PROTECTION ASSOCIATION, USA, CERTIF IED
F IRE PROTECTION SPECIAL IST
AND CONTROL MITIGATION MEASURES IN HIGH RISE
BEHAVIOURAL ASPECTS AND CONTROL MITIGATION
FUNDAMENTALS OF FIRE SAFETY
V RAVINDRANATHNATIONAL F IRE PROTECTION ASSOCIATION, USA, CERTIF IED
F IRE PROTECTION SPECIAL IST
AND CONTROL MITIGATION MEASURES IN HIGH RISE
BUILDINGS
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What is Fire safety ???
Why is Fire safety important
How to ensure fire safety
What happened in the
Let us take a tour…..
???
important ???
safety ???
past few years ???
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STEPHEN COURT
Date of tragedy: 23rd March 2010
Fatalities: 43
STEPHEN COURT - KOLKATA
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AMRI HOSPITAL - KOLKATA
Date of tragedy: 9th December 2011
Fatalities: 95, mainly due to asphyxiation
Fire started in the basement, where flammable substances were storedFire started in the basement, where flammable substances were stored
KOLKATA
Fire started in the basement, where flammable substances were storedFire started in the basement, where flammable substances were stored
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CARLTON TOWERS
Date of tragedy: 23rd February 2010
Fatalities: 9 (3 jumped from upper floors to escape the blaze)
Fire started on the 3rd floor, smoke engulfed the upper floorsFire started on the 3 floor, smoke engulfed the upper floors
Reason: Blatant disregard for fire safety rules and regulations by the building owners.
CARLTON TOWERS - BANGALORE
9 (3 jumped from upper floors to escape the blaze)
floor, smoke engulfed the upper floorsfloor, smoke engulfed the upper floors
Reason: Blatant disregard for fire safety rules and regulations by the building owners.
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CARLTON TOWERS
Preliminary investigations revealed at least three glaring violations:
1. Deviations from the approved municipal plan 1. Deviations from the approved municipal plan office spaces
2. 10 – 15 Diesel Generators (DG) installed on the terrace stored to power the DGs
3. Exit routes and emergency exit staircases locked
CARLTON TOWERS - BANGALORE
Preliminary investigations revealed at least three glaring violations:
Deviations from the approved municipal plan – corridors encroached to form large Deviations from the approved municipal plan – corridors encroached to form large
(DG) installed on the terrace - several barrels of diesel
Exit routes and emergency exit staircases locked – preventing egress
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The Code of Hammurabi…King Hammurabi, Babylonian ruler approx.
1795 to 1750 B.C.
Courtesy NFPA FP Hand Book
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CODES & STANDARDS FOR BUILT ENVIRONMENT
Courtesy NFPA FP Hand Book
CODES & STANDARDS FOR BUILT
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CODES & STANDARDS FOR BUILT ENVIRONMENT
• The first building code was developed in Boston,
• First volunteer fire department set up in 1736, in Philadelphia, Pennsylvania
• Fire & building codes for construction materials developed in 1871, after the Great
Chicago Fire
• Sprinkler system concept first designed in 1812
patented in 1872.
• Triangle Waistcoat Factory, New York fire in 1911
(Life Safety Code)
CODES & STANDARDS FOR BUILT
The first building code was developed in Boston, Massachusetts in 1631
First volunteer fire department set up in 1736, in Philadelphia, Pennsylvania
Fire & building codes for construction materials developed in 1871, after the Great
Sprinkler system concept first designed in 1812 – first automatic sprinkler system
Triangle Waistcoat Factory, New York fire in 1911 – Development of NFPA 101
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WHERE ARE WE AFTER A CENTURY….
Garment Factory fire – Dhaka
• Date of the tragedy: 24th November, 2012
• Fire started in a restaurant and adjacent kitchen
• Fatalities: 117
• Major deaths occurred due to narrow and
WHERE ARE WE AFTER A
kitchen
blocked exits
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COMPONENTS OF FIRE SAFETY
Fire detection system
Fire Protection system
Passive fire protection – compartmentationPassive fire protection – compartmentation
Active fire protection
� Portable fire extinguishers
� Fire Hydrants
� Automatic sprinklers
� Water spray system
COMPONENTS OF FIRE SAFETY
compartmentationcompartmentation
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THE FIRE CURVE
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THE FIRE CURVE, HOW IT HAS CHANGED OVER YEARS
The modern room - The floor covered with carpet. The furnishings included polyester microfiber covered polyurethane foam filled sectional sofa, engineered wood coffee table, end table,
stand, remove, synthetic plant, magazines,
book case.
THE FIRE CURVE, HOW IT HAS CHANGED OVER YEARS
The Legacy room - The hardwood floor without furnishing. The furnishings included cotton covered cotton batting filled sectional sofa, solid wood coffee table, two end tables, television stand, remove, synthetic plant, magazines, and book case.
Reference: UL, research paper
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THE FIRE CURVE, HOW IT HAS CHANGED OVER YEARSTHE FIRE CURVE, HOW IT HAS CHANGED OVER YEARS
Reference: UL, research paper
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FIRE DETECTION SYSTEM
What is a fire detection system?
• A system which detects the presence ofthe same and confirms the presence of fire
What is it’s purpose?
• To detect fire in the early stages
• To alert occupants / fire service dept.
• To activate automatic extinguishing systems
FIRE DETECTION SYSTEM
fire conditions in the enclosure, verifiesfire conditions by raising the alarm.
systems
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FIRE DETECTION SYSTEM
Why is fire detection important?
• Undetected fire can grow to a large size.
• Toxic emissions from fire can kill people.• Toxic emissions from fire can kill people.
• Fire can damage property and contents in the building
• Business Disruption.
FIRE DETECTION SYSTEM
Fire can damage property and contents in the building
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FIRE DETECTION SYSTEM
Types of detection system devices
Smoke DetectorsHeat Detectors
Smoke Detectors
• Optical type
• Linear beam type
• Air sampling type
Radiation/ Flame detectors
• UV detectors
• IR detectors
Heat Detectors
• Fixed temperature type
• Rate of rise
• Linear
• Rate of rise cum fixed temperature type
FIRE DETECTION SYSTEM
DetectorsDetectors
Fixed temperature type
Rate of rise type
Linear heat sensing cables
Rate of rise cum fixed temperature type
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FIRE COMPARTMENTATION
What is fire compartmentation?
• National Fire Protection Association“Subdivision of building into fire tight cellsof structural and constructional componentsof structural and constructional componentscharacteristics.”
• Means to restrict spread of fire from one area
FIRE COMPARTMENTATION
(NFPA) defines compartmentation ascells or compartments enclosed by boundary
components with the necessary fire endurancecomponents with the necessary fire endurance
area to another.
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FIRE COMPARTMENTATION
How is fire compartmentation achieved?
• Develop the Fire Compartmentation Plan
• Divide the Building into several zones/• Divide the Building into several zones/required by the codes and guidelines
• Each Fire Compartment is separated fromsuch as fire walls, fire doors, fire dampers,
FIRE COMPARTMENTATION
at the design stage of the building.
zones/ risk areas – “Fire Compartments” aszones/ risk areas – “Fire Compartments” as
from the other by fire resistant elementsdampers, etc.
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FIRE COMPARTMENTATIONFIRE COMPARTMENTATION
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FIRE COMPARTMENTATIONFIRE COMPARTMENTATION
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MEANS OF ESCAPE
• Almost 74% of fire deaths have been dueother toxic fire gases.
• Causes of deaths
� Inadequate exiting arrangements
� Exits kept locked preventing people from escaping
� Inhalation of toxic gases such as Carbon monoxide, hydrogen cyanide (burning of plastics), phosgene (vinyl materials), etc.
MEANS OF ESCAPE
due to panic and inhalation of smoke and
Exits kept locked preventing people from escaping
Inhalation of toxic gases such as Carbon monoxide, hydrogen cyanide (burning of
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MEANS OF ESCAPE
When oxygen levels are at...
21 percent
17 percent Impaired17 percent Impaired
12 percent Headache, dizziness, nausea, fatigue
9 percent
6 percent Respiratory
MEANS OF ESCAPE
a person experiences:
Normal outside air
Impaired judgment & coordinationImpaired judgment & coordination
Headache, dizziness, nausea, fatigue
Unconsciousness
Respiratory arrest, cardiac arrest, death
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MEANS OF ESCAPE
• A means of egress (escape) is a continuousany one point in a building or structure to a
• Can be achieved using:
� Fire escape routes
� Fire Exit doors
� Fire Exit Staircases
• To be planned at the design stage of the building
MEANS OF ESCAPE
continuous and unobstructed way of travel froma public way.
be planned at the design stage of the building
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MEANS OF ESCAPE
Exit width design considerations:
• National Building Code (NBC) prescribesoccupancy classification.� (E.g. Minimum two exits in opposite direction� (E.g. Minimum two exits in opposite direction
sections to go out of the building in the event of
• NFPA 101 uses a calculative approachspecific area.
MEANS OF ESCAPE
prescribes sizes of exit staircases based on
to be available for every person on all floors orto be available for every person on all floors orfire.)
depending on the occupant load in a
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MEANS OF ESCAPE ApproachMEANS OF ESCAPE – NFPA’S
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FIRE PROTECTION
• Portable fire extinguishers
• Fire Hydrants
• Automatic Sprinklers• Automatic Sprinklers
• Water spray system
FIRE PROTECTION
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FIRE EXTINGUISHMENT
• Smothering – Removal or dilution of air
where combustion ceases.
• Cooling/ Quenching – Cooling of the• Cooling/ Quenching – Cooling of the
combustible vapours are no longer produced
• Starvation – Removal of fuel to a point
remaining to oxidize
• Inhibition of chain reaction – Interruption
of the chain reaction of combustion by
compounds
FIRE EXTINGUISHMENT
air or oxygen to a point
the fuel to a point wherethe fuel to a point where
produced
point where there is nothing
Interruption of the flame chemistry
by injection of chemical
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CLASSES OF FIRE
• Class A: Ordinary combustibles (wood, cloth, paper, etc.)
• Class B: Flammable liquids & flammable gases (HSD, gasoline,
paints, etc.)
• Class C: Energized electrical equipment
• Class D: Combustible metals (Magnesium, titanium, sodium, etc.)
• Class K: Cooking media such as cooking oil, fats, etc.
CLASSES OF FIRE
combustibles (wood, cloth, paper, etc.)
Flammable liquids & flammable gases (HSD, gasoline, oil-based
Combustible metals (Magnesium, titanium, sodium, etc.)
Cooking media such as cooking oil, fats, etc.
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PORTABLE FIRE EXTINGUISHERS
• Water type - Class A fires
• Foam type - Class B fires
• Carbon Dioxide type - Class C fires• Carbon Dioxide type - Class C fires
• Dry powder type - Class A, B & C fires
• Selection and installation to be done as per IS 2190:
PORTABLE FIRE EXTINGUISHERS
Selection and installation to be done as per IS 2190: 2010
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FIRE HYDRANTS
Network of piping installed underground or
hydrant standposts fitted with landing valves
the protected risks according to the occupancies
overhead around various facilities with
valves at regular intervals or at distances from
occupancies.
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HYDRANTS – INSTALLATION CONSIDERATIONS
• Type of Hazard being protected
• Number of hydrants required for all the facilities
• Adequate sizing of pipes to achieve appropriate • Adequate sizing of pipes to achieve appropriate
• Adequate selection of fire pumps
• Adequate provision of water for the installed pumping
• Provisions for interruption free maintenance
• Trained manpower to handle emergencies
INSTALLATION CONSIDERATIONS
Number of hydrants required for all the facilities
appropriate dischargeappropriate discharge
Adequate provision of water for the installed pumping capacity
Provisions for interruption free maintenance
emergencies
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HYDRANTS
• External Hydrants - for fire fighting from outside the building
• Internal Hydrants & rubber hose reels - for fire fighting within the
building envelope, especially high rise buildings
for fire fighting from outside the building
for fire fighting within the
building envelope, especially high rise buildings
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AUTOMATIC SPRINKLERS
� Myth
• A smoke detector provides enough protection
☺ Fact:
• Smoke detectors save lives by providing
extinguish a growing fire or
• Cannot protect those physically unable
AUTOMATIC SPRINKLERS
protection
providing a warning system but can not
unable to escape on their own.
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AUTOMATIC SPRINKLERS
� Myth
• When a fire occurs, every sprinkler head
☺ Fact:
• Sprinkler heads are individually activated
• Fires are usually controlled with one sprinkler
• 90% of all fires are controlled with six or
• Study report shows that 82% of the
sprinklers.
AUTOMATIC SPRINKLERS
head goes off
activated by fire.
sprinkler head.
or fewer heads
the fires were controlled by two or fewer
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AUTOMATIC SPRINKLERS
� Myth
• Water damage from a sprinkler system
☺ Fact:
• Water damage from a sprinkler system
damage caused by water from fire-
damage if the fire goes unabated.
• Quick response sprinklers release 30-91
189-473 litres per minute released by a
AUTOMATIC SPRINKLERS
system will be more extensive than fire damage
system will be much less severe than the
-fighting hose lines or smoke and fire
91 liters of water per minute compared to
a fire hose.
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AUTOMATIC SPRINKLERS
� Myth
• Sprinklers are designed to protect property,
☺ Fact:
• Sprinklers provide a high level of life safety
• Statistics indicates that there has never
sprinkled building.
• Property losses are 85% less in buildings
without sprinklers.
AUTOMATIC SPRINKLERS
property, but are not effective for life safety
safety.
never been any multiple loss of life in a fully
buildings with fire sprinklers compared to those
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AUTOMATIC SPRINKLERS
• A facility designed to discharge water
density (LPM/ Sq.m) and control fire in its
• To give alarm and alert people about the occurrence• To give alarm and alert people about the occurrence
• Design and installation to comply with IS 15105
AUTOMATIC SPRINKLERS
automatically in sufficient
its early stages.
occurrence of fire.occurrence of fire.
15105:2002 & NFPA13
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AUTOMATIC SPRINKLERS BENEFITS
• Control or extinguishment of fire in its early
• Most Suitable for unmanned areas.
• Early extinguishment of fire in high rise buildings• Early extinguishment of fire in high rise buildings
• Automatic extinguishment of fire during non
• Controlled use of water
AUTOMATIC SPRINKLERS -
early stage
buildingsbuildings
non working hours
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AUTOMATIC SPRINKLERS BENEFITSAUTOMATIC SPRINKLERS -
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AUTOMATIC SPRINKLERS
Method of actuation
� Glass Bulb type - Rupture of quartzoid bulb
when exposed to higher temperatures.when exposed to higher temperatures.
OR
� Fusible link type - Melting of fusible link.
AUTOMATIC SPRINKLERS
bulb
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HIGH RISE STRUCTURES
Unique attributes affecting fire safety in high rise buildings
• Height beyond available resources of fire department ladders
• Extended evacuation times• Extended evacuation times
• Pronounced stack effect
• Water supply limitations
• Greater challenges of mixed occupancies
• Iconic nature
HIGH RISE STRUCTURES
Unique attributes affecting fire safety in high rise buildings
Height beyond available resources of fire department ladders
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VICTORIA VIEW RESIDENTIAL PROPERTY
• Victoria View - a 83.5m high residential property on 241/2 AJC Bose Road,
developed for ITC employees
• Protected fire exit staircases designed and constructed to ensure safe egress in • Protected fire exit staircases designed and constructed to ensure safe egress in
case of fire in the building.
• Floor to floor compartmentation to prevent vertical spread of fire.
• Wet risers with tap offs at each floor.
• Every resident is trained on fire emergency procedures prior to occupation.
VICTORIA VIEW RESIDENTIAL
high residential property on 241/2 AJC Bose Road,
Protected fire exit staircases designed and constructed to ensure safe egress in Protected fire exit staircases designed and constructed to ensure safe egress in
Floor to floor compartmentation to prevent vertical spread of fire.
Every resident is trained on fire emergency procedures prior to occupation.
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FIRE EXIT
PLANEVACUATION
ROUTE
Do not admit repair men without checking with the management/
Never admit person with unsolicited deliveries.
Identify all callers through door viewer before opening the door
PLEASE PLAN AHEAD
Familiarize yourself with the following
Emergency escape routes, location of fire exit stairs on your floor
Location of fire alarm call points on your floor
Location of fire extinguishing equipment
Location of refuge areas in the building (4th, 8th, 12th, 16th & 20th floors
on the east side, i.e. near service lifts)
IF YOU DETECT A FIRE OR HEAR THE FIRE ALARM OR EVACUATION MESSAGE
Do not panic
Raise the fire alarm using the nearest fire alarm call point OR inform the security if you detect a fire.
Alert fellow residents
Leave the floor immediately using the nearest fire exit. If there is smoke in the corridor, crawling is
advised and hold a wet cloth in front of your mouth.
If you find smoke or fire at the nearest fire exit, move to the alternate exit or the nearest refuge area.
Do not use lifts for evacuation
IF YOU ARE STUCK IN YOUR HOUSE
Try to remain calm, do not panic
Keep the door closed. Block the door sill with wet cloth to prevent smoke from entering into your house.
Inform the security about your location.
Fill containers with water for extinguishing fire.
FIRE EXIT EVACUATION
EMERGENCY CONTACT:
POLICE:
FIRE:
MEDICAL EMERGENCY:
IF YOU DETECT A FIRE OR HEAR THE FIRE ALARM OR EVACUATION MESSAGE
Raise the fire alarm using the nearest fire alarm call point OR inform the security if you detect a fire.
Leave the floor immediately using the nearest fire exit. If there is smoke in the corridor, crawling is
advised and hold a wet cloth in front of your mouth.
If you find smoke or fire at the nearest fire exit, move to the alternate exit or the nearest refuge area.
Do not use lifts for evacuation.
IF YOU ARE STUCK IN YOUR HOUSE
Try to remain calm, do not panic
Keep the door closed. Block the door sill with wet cloth to prevent smoke from entering into your house.
Inform the security about your location.
Fill containers with water for extinguishing fire.46
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SAMPLE LEARNINGS…
• Fire watch for hot work
• Non usage of extension boards/ strips
• Safe use of comfort ACs for continuous cooling • Safe use of comfort ACs for continuous cooling arrangement;
• P2 type burst proof capacitors for fans, AC,;
• Fire compartmentation of UPS Battery rooms;
• Mandatory cooling clearances for white goods like refrigerators, microwave,
• Flexible hose for combustible fluids – shelf life management
SAMPLE LEARNINGS…
for continuous cooling applications – auto switching for continuous cooling applications – auto switching
type burst proof capacitors for fans, AC,;
compartmentation of UPS Battery rooms;
cooling clearances for white goods like refrigerators, microwave, etc.,
shelf life management
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LEARNINGS..HOUSEKEEPINGLEARNINGS..HOUSEKEEPING
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THANK YOUTHANK YOU Lets make a difference..
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