NEBOSH IOG Exam : Element 1 | questions and
verified answers
Explain why accident investigations are carried out - ANSWER Accident investigations are
carried out to.
To identify the immediate root causes of the incident - incidents are usually caused by
unsafe acts and unsafe conditions in the workplace, but these often arise from underlying
root causes.
To identify corrective actions that will prevent a recurrence - The main reason for
investigating.
List the four steps in the investigation process - ANSWER The four steps in the investigation
process are.
Step 1:
Gather factual information about the event.
Step 2:
Analyse that information and draw conclusions about the immediate and root causes.
Step 3:
Identify suitable corrective measures.
Step 4:
Plan the remedial actions.
, Identify the categories of staff who might be considered useful members of an internal
accident investigation team. - ANSWER A simple investigation might be carried out by the
Line Manager of the area; a more detailed investigation often involves a team of
investigators that might include:
Site HES Team Leads and Safety Advisors
Subject Matter Experts (i.e. a Scaffold Superintendent)
Senior Managers
A worker representative
Offshore investigation teams may also include specialists from services such as drilling, well
services, maintenance, operations and deck crews.
List the types of documentation which might be consulted during an accident investigation.
- ANSWER Types of documentation used during an investigation include:
Permit to Work and Risk Assessments
Photographs and CCTV tapes
Technical Drawings & documentation
Hand drawn sketches of the scene identifying location of incident and surrounding
conditions, victim(s) location, witness location, wind direction
Standard Operating Procedures (SOP) documentation
Facility Rules and Regulations handbook
Witness & victim statements
Weather or sea conditions report at time of incident
Training records
Maintenance records
Operations records from database.
Outline the two categories of immediate cause of accidents/incidents - ANSWER Immediate
causes are the unsafe act and unsafe conditions that gave rise to the event itself. There will
verified answers
Explain why accident investigations are carried out - ANSWER Accident investigations are
carried out to.
To identify the immediate root causes of the incident - incidents are usually caused by
unsafe acts and unsafe conditions in the workplace, but these often arise from underlying
root causes.
To identify corrective actions that will prevent a recurrence - The main reason for
investigating.
List the four steps in the investigation process - ANSWER The four steps in the investigation
process are.
Step 1:
Gather factual information about the event.
Step 2:
Analyse that information and draw conclusions about the immediate and root causes.
Step 3:
Identify suitable corrective measures.
Step 4:
Plan the remedial actions.
, Identify the categories of staff who might be considered useful members of an internal
accident investigation team. - ANSWER A simple investigation might be carried out by the
Line Manager of the area; a more detailed investigation often involves a team of
investigators that might include:
Site HES Team Leads and Safety Advisors
Subject Matter Experts (i.e. a Scaffold Superintendent)
Senior Managers
A worker representative
Offshore investigation teams may also include specialists from services such as drilling, well
services, maintenance, operations and deck crews.
List the types of documentation which might be consulted during an accident investigation.
- ANSWER Types of documentation used during an investigation include:
Permit to Work and Risk Assessments
Photographs and CCTV tapes
Technical Drawings & documentation
Hand drawn sketches of the scene identifying location of incident and surrounding
conditions, victim(s) location, witness location, wind direction
Standard Operating Procedures (SOP) documentation
Facility Rules and Regulations handbook
Witness & victim statements
Weather or sea conditions report at time of incident
Training records
Maintenance records
Operations records from database.
Outline the two categories of immediate cause of accidents/incidents - ANSWER Immediate
causes are the unsafe act and unsafe conditions that gave rise to the event itself. There will
