Fire prevention for construction
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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

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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


Fire prevention for construction

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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