PPT for AA1, Rev. March 1998

1
What is an Accident?
2
Why Investigate?
3
Iceberg Analogy Accident Cost
Direct Costs

• Medical Payments
• Compensation

Breaking in substitute
Temporary workers
Poor efficiency due to break-up of crew
Loss of good will
Indirect or Hidden Costs
Supervisor time to investigate
Damaged equipment
Overtime by employees
Administrative costs
Lost time by fellow workers
Change in WC rating
4
Causal Factors
(1) Task (2) Material (3) Environment (4) Human
Factor ( Personal) (5) Management/Process
Failure Accident Investigation Page 42
5
(1) Task

• Ergonomics
• Safety work procedures
• Condition changes
• Process
• Materials
• Workers
• Appropriate tools/materials
• Safety devices (including lockout)

6
(2) Material

• Equipment failure
• Machinery design/guarding
• Hazardous substances
• Substandard material

7
(3) Environment

• Weather conditions
• Housekeeping
• Temperature
• Lighting
• Air contaminants
• Personal Protective Equipment

8
(4) Human Factor (Personal)

• Level of experience
• Level of Training
• Physical capability
• Health
• Fatigue
• Stress

9
(5) Management/Process Failure

• Visible Active senior management support for
  safety
• Safety policies
• Enforcement of safety policies
• Adequate supervision
• Knowledge of hazards
• Hazard corrective action
• Preventive maintenance
• Regular audits

10
Investigation Priorities

• 1st - Medical attention
• 2nd Investigation
• 3rd Analyze Conclude
• Accident Investigation Page 41

11
Investigation

• Photographs
• Preserve Area
• Collect Statements
• Take Measurements
• Gather Samples
• Complete Accident Report

12
Accident Investigation Kit

• Camera, extra film, flash attachment
• Clipboard, paper, pencils
• Graph paper (for diagram)
• Ruler and tape measure
• Identification tags (for parts)
• Interview comment sheet (blank paper)
• Personal protective clothing or equipment
• Containers (for material samples)
• Barrier tape or cord (to rope off areas)

13
Accident Investigation Kit (cont)

• Diagram of a person and list of all body parts
  involved in the accident. To be completed by
  injured employee and person conducting the
  investigation.
• JSA
• Safety Rules
• Phone numbers injured employee home (current) ,
  EMS, police, sheriff, county disaster services,
  OSHA, BWC.

14
Witnesses

• Keep Witnesses Apart
• Interview in a non-threatening location
• Put witness at ease (not to point blame)
• Ask open ended questions
• Document

15
Analysis Conclusions

• Accident Investigation Forms
• Bad Report
• Better Report
• Accident Tree
• Accident Investigation Pages 43 - 53

BWC