1.
Fire
Prevention
for Construction

2.
Four classes of fires
 A, B, C, and D
1a

3.
Class A
 Wood, cloth, paper, rubber and
plastics
 Water or dry
chemicals
1b

4.
Class B
 Flammable liquids, gases and
greases
 Foam, carbon
dioxide and dry
chemical
1c

5.
Class C
 Electrical fires
 Carbon dioxide
and dry chemical
1d

6.
Class D
 Combustible metals
 Specialized
techniques
1e

7.
Fire extinguisher
 Inspect periodically
 Maintain in
working order
1f

8.
 When is the use of a fire
extinguisher appropriate?
Fire extinguisher use
2a

9.
Fire extinguisher use
 Fire alarm
 Building evacuated
 Small and confined
 Nonthreatened
escape
 Trained and
confident
2b

10.
Do not use if:
 Fire is large
 Escape path
 Right type
3a

11.
Personal hazards
 Smoke
 Noxious fumes
 Unconscious
4a

12.
"PASS" method
Pull the pin
Aim at the base
Squeeze the handle
Sweep at the base
5a

13.
Appropriate prevention
measures
 Work areas
 Handle and store chemicals
 Fire emergency
 Professional help
 Know your chemicals
6a

14.
Good housekeeping
 Fire prevention
 Accumulation of
clutter
 Stored chemicals
7a

15.
Open yard storage
 20 foot pile rule
 15 foot driveway rule
 Weeds and grass
 Periodic cleanup
 Underground fire
 Combustible material
 Portable extinguishing equipment
 Portable fire extinguishers
7b

16.
Indoor storage
 Means of exit
 Noncompatible materials
 Stable piling
 Aisle space
 Sprinkler deflectors
 Lights and heating units
 Fire door clearance
7c

17.
Chemical hazards
 Know the hazards
 Proper storage
 Physical (fire or explosion)
hazards
 Health (burns or poisons)
hazards
8a

18.
Hazardous properties
 Flammability
 Reactivity
 Explosivity
8b

19.
Flammable liquid
handling and storage
 Ignitable vapors
 Heavier than air
 Accumulate
 Travel
 Find open flame
9a

20.
Flame (or ignition
sources)
 Cigarettes
 Hand tool
 Cutting torch
 Operating
motor
9b

21.
Eliminate unsafe
 Conditions
 Practices
9c

22.
Basic safety principles
 Storage
 Transfer
 Use
 Disposal
10a

23.
Storage
 Reserve storage in drums
 Operational storage in small
quantities
11a

24.
Transfer
 Gravity flow—horizontally
 Pump method—vertically
12a

25.
Use
 Jobsite operations
 Various storage options
 Safety cabinets
13a

26.
Disposal
 Caution in handling
 Oily waste cans
14a

27.
Spill clean-up
 Vapor release
 Absorbent materials
 Large disposal drum
15a

28.
Compressed - liquefied
gases
 Flash points
 Below room temperature
16a

29.
Cylinder storage and
transport
 Do not roll or drag
 Use a special cart
 Secure to walls or bench tops
 Be careful about fittings or
connections
 Inspect the cylinder carefully
16b

30.
Pressure relief devices
 Do not:
• change
• modify
• repair
• tamper with
16c

31.
Safety equipment
 Gas detectors
 Gas masks
 Self-contained
breathing apparatus
 Protective clothing
16d

32.
Cylinder storage
 Dry, cool, and well ventilated
 Protected from the weather
16e

33.
Temporary heating
devices
 Sufficient fresh air
 Mechanical ventilation
 Proper combustion
 Health and safety
 Limit temperature rise
17a

34.
Installation of
temporary heating
devices
 Clearance from combustibles
 Rest heaters on suitable
material
 Heaters located away from
tarps, coverings
18a