Basic Fire Fighting

Knowledge shared :Chemistry of fire

Classification of fire

Methods of fire extinguishing

Preventive Measures

What is FIRE ?

Fire is the combination of three elements

Classification of FIRE‘A’ Class

‘B’ Class

‘C’ Class

‘D’ Class

Solid Fire

Liquid Fire

Gas Fire

Metal Fire

‘A’ Class Fire – Solid FireWood

Paper

Rubber

Plastic

‘B’ Class Fire – Liquid FireOil

Kerosene

Paints

Petrol

Diesel

‘C’ Class Fire – Gas FireLPG (Liquefied Petroleum Gas )

Nitrogen

Hydrogen

Methane

‘D’ Class Fire – Metal FireMagnesium

Potassium

Aluminum

Zinc

Sodium

Methods of Fire Extinguishing & AlarmsFire Extinguishers

Fire Hydrant System

Smoke Detector System

Sprinkler System

Manual Call Point

Fire ExtinguishersWATER Extinguisher - Cooling Method

To remove HeatOXY

GE

N

FUEL

FOAM ExtinguisherBlanketing Effect – Remove Oxygen

FUEL

HEAT

DCP Extinguisher (Dry chemical powder)Blanketing Effect – Remove Oxygen

FUEL

HEAT

CO2 Extinguisher – Cooling MethodOXYG

EN

FUEL

Fire Hydrant SystemManual operation

Consists of 2 canvas Pipes, 15mts. each

E H S J

8 Kg / Cm27 Kg - J5 Kg - S4 Kg - H3 kg - E ( Non Power supply)

Smoke Detector SystemA smoke detector is a device

that detects smoke

Smoke detectors are typically housed in a disk-shaped plastic enclosure about 6 inches in diameter and 1 inch thick.

Sprinkler SystemA fire sprinkler system is an active fire protection measure, consisting of a water supply system, providing adequate pressure and flow rate to a water distribution piping system, onto which fire sprinklers are connected.

63 degree temperature

Covers 6Mts .

Manual Call point It is an active fire protection device, usually wall-mounted.

when activated, initiates an alarm on a fire alarm system.

the user activates the alarm by pulling the handle down, which completes a circuit and locks the handle in the activated position, sending an alarm to the fire alarm control panel

After operation, some fire alarm pull stations must be restored to the ready position using a special tool or key in order to deactivate the alarm sequence and return the system to normal

Preventive Measures Avoid smoking inside the office and dispose the buds carefully.

Do not make unauthorized electrical connections and do not overload the electrical points.

Do not light incense sticks (Agarbathis) near Records, Racks and Curtains.

Do not forget to switch off the electrical mains before leaving the office.

Preventive Measures (contd.,) Periodical checking of electrical wiring &

removable of combustible & inflammable liquid articles from vicinity of naked wires.

Do not permit any unauthorized person from carrying work on electrical lines.

Good house keeping essentials to prevent fire

hazards. Every employee should consider it ones responsibility to do their part in maintaining good house keeping at their work place..

Topics covered in this session :Chemistry of fire

Classification of fire

Methods of fire extinguishing

Preventive Measures

QuestionnaireWhat is Fire ?

Fire is classified into ____ types.

What is DCP ?

Standard length of Hose pipe in Hydrant

System is ____ mts.

A Sprinkler System covers __ distance.

Learn to save others lifeThank you for participation