Fire Prevention for Construction

1
Fire Preventionfor 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
Fire extinguisher use

• When is the use of a fire extinguisher
  appropriate?

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 may become blocked
• Extinguisher is not 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 flowhorizontally
• Pump methodvertically

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