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Fire Prevention for Construction. Four classes of fires. A, B, C, and D. 1a. Class A. Wood, cloth, paper, rubber and plastics Water or dry chemicals. 1b. Class B. Flammable liquids, gases and greases Foam, carbon dioxide and dry chemical. 1c. Class C. Electrical fires

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Fire prevention for construction

Fire Preventionfor Construction


Four classes of fires
Four classes of fires

  • A, B, C, and D

1a


Class a
Class A

  • Wood, cloth, paper, rubber and plastics

  • Water or dry chemicals

1b


Class b
Class B

  • Flammable liquids, gases and greases

  • Foam, carbon dioxide and dry chemical

1c


Class c
Class C

  • Electrical fires

  • Carbon dioxide and dry chemical

1d


Class d
Class D

  • Combustible metals

  • Specialized techniques

1e


Fire extinguisher
Fire extinguisher

  • Inspect periodically

  • Maintain in working order

1f


Fire extinguisher use
Fire extinguisher use

  • When is the use of a fire extinguisher appropriate?

2a


Fire extinguisher use1
Fire extinguisher use

  • Fire alarm

  • Building evacuated

  • Small and confined

  • Nonthreatened escape

  • Trained and confident

2b


Do not use if
Do not use if:

  • Fire is large

  • Escape path

  • Right type

3a


Personal hazards
Personal hazards

  • Smoke

  • Noxious fumes

  • Unconscious

4a


Pass method
"PASS" method

  • Pull the pin

  • Aim at the base

  • Squeeze the handle

  • Sweep at the base

5a


Appropriate prevention measures
Appropriate prevention measures

  • Work areas

  • Handle and store chemicals

  • Fire emergency

  • Professional help

  • Know your chemicals

6a


Good housekeeping
Good housekeeping

  • Fire prevention

  • Accumulation of clutter

  • Stored chemicals

7a


Open yard storage
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


Indoor storage
Indoor storage

  • Means of exit

  • Noncompatible materials

  • Stable piling

  • Aisle space

  • Sprinkler deflectors

  • Lights and heating units

  • Fire door clearance

7c


Chemical hazards
Chemical hazards

  • Know the hazards

  • Proper storage

  • Physical (fire or explosion) hazards

  • Health (burns or poisons) hazards

8a


Hazardous properties
Hazardous properties

  • Flammability

  • Reactivity

  • Explosivity

8b


Flammable liquid handling and storage
Flammable liquid handling and storage

  • Ignitable vapors

  • Heavier than air

  • Accumulate

  • Travel

  • Find open flame

9a


Flame or ignition sources
Flame (or ignition sources)

  • Cigarettes

  • Hand tool

  • Cutting torch

  • Operating motor

9b


Eliminate unsafe
Eliminate unsafe

  • Conditions

  • Practices

9c


Basic safety principles
Basic safety principles

  • Storage

  • Transfer

  • Use

  • Disposal

10a


Storage
Storage

  • Reserve storage in drums

  • Operational storage in small quantities

11a


Transfer
Transfer

  • Gravity flow—horizontally

  • Pump method—vertically

12a


Use

  • Jobsite operations

  • Various storage options

  • Safety cabinets

13a


Disposal
Disposal

  • Caution in handling

  • Oily waste cans

14a


Spill clean up
Spill clean-up

  • Vapor release

  • Absorbent materials

  • Large disposal drum

15a


Compressed liquefied gases
Compressed - liquefied gases

  • Flash points

  • Below room temperature

16a


Cylinder storage and transport
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


Pressure relief devices
Pressure relief devices

  • Do not:

    • change

    • modify

    • repair

    • tamper with

16c


Safety equipment
Safety equipment

  • Gas detectors

  • Gas masks

  • Self-contained breathing apparatus

  • Protective clothing

16d


Cylinder storage
Cylinder storage

  • Dry, cool, and well ventilated

  • Protected from the weather

16e


Temporary heating devices
Temporary heating devices

  • Sufficient fresh air

  • Mechanical ventilation

  • Proper combustion

  • Health and safety

  • Limit temperature rise

17a


Installation of temporary heating devices
Installation of temporary heating devices

  • Clearance from combustibles

  • Rest heaters on suitable material

  • Heaters located away from tarps, coverings

18a


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