Microsoft Powerpoint - Accident Prevention and Theories of Accident Causatio
Microsoft Powerpoint - Accident Prevention and Theories of Accident Causatio
Microsoft Powerpoint - Accident Prevention and Theories of Accident Causatio
Accident Prevention
and
Theories of Accident
Causation
1
Accident Prevention
Industrial Place Accidents - Typical Year
Work related accidents cost $48 Billion
7,100,000 injured workers per year
On average, 3 injured workers per 100 workers
One accidental death every 51 minutes
One serious injury every 19 seconds
To prevent accidents, need to know
why accidents happen and what causes them.
Accident Causation Theories are used as
models to help predict and prevent accidents. 2
Theories of Accident Causation
Domino Theory
Human Factors Theory
Accident / Incident Theory
Epidemiological Theory
Systems Theory
Combination Theory
3
Domino Theory
7
Overload
Workers Capacity -
Natural Ability, Training, State of
Mind,
Fatigue, Stress, Physical Condition
Environmental Factors -
Noise, Climatic, Lighting,
Distractions, etc
8
Internal Factors -
Personal Problems, Emotional
Stress, Worry
Situational Factors -
Level of Risk, Unclear
Instructions, Novelty, etc
9
Inappropriate Responses
Ignores a suspected hazard
Disregards established
safety procedures
Includes incompatibility
with persons workstation
Size, Required Force,
Reach, Feel, etc 10
Inappropriate Activities
Performing tasks
without requisite
training
Misjudging the
degree of risk
(bahala na system)
11
Accident/Incident Theory
Decision to Err
System Failures
12
Petersens
Human Error
Injury / Damage
13
Overload
Pressures
Deadlines, Budget Factors, Peer Pressure
Fatigue
Motivation
Drugs
Alcohol
Worry
14
Ergonomic Traps
Incompatible Workstation
Incompatible Expectations
15
Decision to Err/misjudgment
Misjudgment of Risks
Unconscious Desire to Err
Logical Decision Based on Situation / Circumstances
Superman Syndrome (It wont happen to me!)
- Bulletproof, Invincible, Immortal, Lucky
16
System Failures
impaired health.
Epidemiological Models
19