CLASS OF FIRE EXTINGUISHER
CLASS OF FIRE EXTINGUISHER
Sr. No. Type of Occupancy Nature of Occupancy Class of Fire Typical Example
1 Residential Buildings LH
LH
MH
Class A
Class C
Class A
Lodging or Rooming, One or Two Family houses, Private dwellings, dormitories, apartment houses, flats upto 4 star hotels etc.
Small Kitchen having LPG connection, Electrical heaters etc.
Multi-storeyed buildings, multi-risk buildings, five star hotels etc.
2 Educational Buildings LH Class A Tutorials, Vocational training institutes, evening colleges, commercial industries
3 MH Class A Schools. Colleges etc.
4 Institutional Buildings MH Class A Hospitals, sanatoria, homes for aged, orphanage jails etc.
5 Assembly Building D-1 HH
MH
MH
LH
Class A
Class A
Class A
Class A
Theatres, assembly halls, exhibition halls, museums, restaurants places of worship, club rooms, dance halls etc having seating capacity of over 100 persons.
Theatres, assembly halls, exhibition halls, museums, restaurants places of worship, club rooms, dance halls etc having seating capacity of over 1000 persons.
Theatres, assembly halls, exhibition halls, museums, restaurants places of worship, club rooms, dance halls etc but having accommodation for more than 300 persons, but less than 1000 Persons, with no permanent seating arrangement.
Theatres, assembly halls, exhibition halls, museums, restaurants places of worship, club rooms, dance halls etc but having accommodation less than 300 and those not covered under D-1 to D-3.
6 Business Buildings E-1 SH
MH
SH
Class A
Class B
Class A
Offices, banks, record rooms, archives, libraries, data processing centres etc.
Laboratories, research establishment, test houses etc.
Computer installations.
7 Mercantile buildings MH Class A Shops, Stores, markets, departmental stores, underground shopping centres etc.
8 Industrial Buildings LH
MH
HH
MH
LH
HH
HH
HH
Class A
Class A
Class A
Class B
Class B
Class B
Class C
Class D
Small industrial units.
Corrugated carton manufacturing units, Paper cane units, packing case manufacturing units, cotton waste manufacturing units.
Large number yards, saw mills, godowns and warehouses storing combustible materials, cold storages, freight depots etc.
Demonstration chemical plants, small Chemical processing plants, pilot plants etc.
Workshops, painting shops, large kitchens, industrial canteens, generator rooms heat treatment shops, thread rubber manufacturing units, petrol bunks, tubes and flaps units etc.
Petroleum processing units, chemical plants, industrial alcohol plants, effluents treatment plants etc.
Fertiliser plants, petrochemical plants, LPG bottling plants etc.
All processes involving use of combustible highly flammable materials, reactive metal and alloys, including their storage.
9 Storage Buildings MH
HH
MH
HH
Class B
Class B
Class C
Class C
Flammable liquid stores, storage in drums and cans in open, paints and varnishes godown
Tank Farms, Chemical and petroleum bulk storage depot, large service station, truck and marine terminals, underground LO/furnace oil storage yards etc.
LPG distribution godown/office, distribution storage godowns/offices of D, N, H, Argon and other industrial gases.
Storage and handling of gas cylinder in bulk, gas plant, gas holder (Horton), spheres etc.
Notes
1. LH – Low Hazard.    2. MH – Medium Hazard.    3. HH – High Hazard.    4. SH – Special Hazard.
Application per Area
RECOMMENDED SCALE OF EXTINGUISHER TO BE INSTALLED
CLASS - A FIRE
Sr. No. Item Description Rating Extinguisher per Area Quantity A Type Fire For Remarks
1 1 KG ABC Stored Pressure Type 1A 21B 100 m² 1 Such as Wood, Paper, Plastics, Where the cooling effect of water is essential for extinction of fire Each Extinguisher Should be available in 15 m Radius
2 2 KG ABC Stored Pressure Type 1A 21B 100 m² 1
3 4 KG ABC Stored Pressure Type 2A 55B 200 m² 1
4 6 KG ABC Stored Pressure Type 4A 144B 200 m² 1
5 9 KG ABC Stored Pressure Type 6A 183B 200 m² 1
OR
1 06 Ltr Water Stored Pressure Type 3A 200 m² 1
2 09 Ltr Water Stored Pressure Type 4A 200 m² 1
CLASS - B FIRE
Sr. No. Item Description Rating Extinguisher per Area Quantity A Type Fire For Remarks
1 1 KG BC Stored Pressure Type 21B 100 m² 1 Such as Flamable Liquieds, Gasoline, Grease, Liquefiable Solid or the like where a blanketing effect is essential. Each Extinguisher Should be available in 15 m Radius
2 2 KG BC Stored Pressure Type 21B 100 m² 1
3 4 KG BC Stored Pressure Type/td> 55B 200 m² 1
4 6 KG BC Stored Pressure Type 144B 200 m² 1
5 9 KG BC Stored Pressure Type 183B 200 m² 1
OR
1 06 Ltr Mechanical Foam Stored Pressure Type 3A 89B 200 m² 1
2 09 Ltr Mechanical Foam Stored Pressure Type 4A 144B 200 m² 1
CLASS - C FIRE
Sr. No. Item Description Rating Extinguisher per Area Quantity A Type Fire For Remarks
1 02 Kg Carbon Dioxide Type 21B 100 m² 1 For Live Electrical Euipments Each Extinguisher Should be available in 10 m Radius
2 03 Kg Carbon Dioxide Type 34B 100 m² 1
3 4.5 Kg Carbon Dioxide Type 55B 100 m² 1