This document provides information on accident investigation and prevention. It begins with an introduction of Yawar Hassan Khan as a certified HSE professional. It then defines an accident and common accident types. The document discusses theories on accident causation and emphasizes a systems approach. It outlines responsibilities and procedures for accident investigation including securing the scene, interviews, analyzing the sequence of events and causes. Recommendations are made to correct hazardous conditions. The goal is prevention, not fault-finding. Interview techniques and analyzing accident factors, hazardous conditions, unsafe behaviors and system weaknesses are covered. The report format includes background, description, findings, recommendations and summary. Feedback is welcomed.

1. Yawar Hassan Khan

2.  YAWAR HASAN KHAN
 CERTIFIED HSE MANAGEMENT
PROFESSIONAL
 ASSISTANT SAFETY OFFICER- ACL

3.  An accident is the final event in an unplanned
process that result in injury or illness to an
employee and possibly property damage

4.  STRUCK BY
 STRUCK AGAINST
 CONTACT BY
 CONTACT WITH
 CAUGHT ON
 CAUGHT BETWEEN
 FALL TO SURFACE
 FALL TO BELOW
 OVER EXERTION
 BODILY REACTION
 OVER EXPOSURE

5.  Old theory-worker error :says worker makes a
choice to work in an unsafe manner
 New theory-system approach : says accidents
occur due to multiple causes and due to defects
in the systems

6.  Clearly assigned responsibility for accident
investigation
 All accident investigations will be formally trained
on accident investigation techniques
 The purpose is to find fact not fault
 Dig deep to know hazardous conditions that
caused accidents
 report will make the recommendations to correct
the hazardous conditions and work practices
 Corrective actions must be completed
 An annual review of accident reports

7.  Secure the accident scene
 Conduct interview
 Develop the sequence of events
 Conduct cause analysis
 Determine the solutions
 Write the report

8.  Make personal observations
 Take photos of accident scene
 Take video clips of the scene
 sketch the accident scene
 Interview records

9.  Be sure you ask the
 Right people the
 Right question at the
 Right time in the
 Right place in the
 Right way for the
 Right reason to uncover the
 Right facts

10.  The victim
 Co workers
 Direct supervisors
 Manager
 Training department
 Personnel department
 Maintenance department
 Emergency responders
 Medical personal
 Coroner
 Police
 The victim’s spouse and family

11.  Keep the purpose of investigation in the mind
 Approach the investigation with an open mind
 Go to the scene
 Express concern regarding the accident and
desire to prevent a similar occurrence
 Tell the interviewee that the information they
give is important
 Be friendly , understanding and open minded
 Be calm and unhurried

12.  An accident is thought to be the result of a
single , one time easily identifiable , unusual
, unexpected occurrence that result in injury or
illness

13.  This describes as a series of related occurences
which lead to a final event that results in injury
or illness

14.  Accidents are a result of a series of random
related and / or unrelated actions that
somehow interact to cause the accident

15.  Actual events
 Assumed events
 Non events
 Simultaneous events

16.  Once the sequence of events is developed we
will study each event to know:
 Hazardous condition
 Unsafe behaviors
 System weaknesses

17.  Actor: the actor is an individual or object that
directly influenced the flow of the sequence of
events
 Action is something that is done by the actor

18.  Materials
 Machinery
 Equipment
 Tools
 Chemicals
 Environment
 Workstations
 Facilities
 People
 workload

19.  Injury analysis
 Event analysis
 System analysis

20.  Elimination
 Substitution
 Engineering controls

21.  WARNINGS
 ADMINISTRATIVE CONTROLS
 PERSONAL PROTECTIVE EQUIPMENT

22.  Background
 Description
 Findings
 Recommendations
 Summary

23.  Please give your feedback at
:yawarhkhan@hotmail.com