1.
TWI Job Safety
© Operational Excellence Consulting. All rights reserved.
TWI Job Safety (JS) program creates a simple and logical
framework by which supervisors can prevent accidents
from happening—by learning how to analyze the causes
of accidents and eliminating them before they happen.
§ Check the situation. Check the record.
Talk to people.
§ Consider both things and people.
§ Always be aware.
§ Foresee risks of incidents and injuries.
Dig down deep
Step 1: Spot the Causes of
Danger
§ Fit the causes together; consider their
bearings on each other.
§ Ask people who have detailed
knowledge.
§ Think of several countermeasures.
§ Make sure of alignment with policies,
regulations and standards.
§ Decide on back-up measures too.
Are you yourself the cause?
Step 2: Decide on
Countermeasures
§ Can you handle this yourself?
§ Do you need support from your
supervisor?
§ Whose cooperation should you get?
Put into effect immediately
Step 3: Enforce
Countermeasures
§ Check and check again
§ Was it carried out for certain?
§ Were the causes eliminated?
Has any new causes arisen?
Step 4: Check Results
The meaning of safety is to consider measures
and take action BEFORE a safety incident. It is
NOT to handle the aftermath.
Spot the
Causes of
Danger
Decide on
Counter-
measures
Enforce
Counter-
measures
Check Results
Safety Incidents Are Caused
– Break the Chain
A Supervisor’s Department Is Only
As Safe As He Makes It
FOUR STEPS OF
JOB SAFETY
1. To instruct each worker thoroughly in the safety
precautions of his job
2. To follow up safety training constantly
3. To keep all safety devices in proper use
4. To set a good safety example
Supervisor’s Major Safety
Responsibilities
1. Work area
2. Material handling
3. Machines
4. Tools
5. Improper clothing
Five Hazard Spots
HOW TO SPOT & AVOID
SAFETY HAZARDS
1. Remove hazard
2. Use protective equipment
3. Teach safe job method
3 Rules for Making Safety
Instructions
1. Capabilities
2. Mental and physical state
3. Use of personal protective equipment
4. Handling of tools
5. Human relations
§ Doesn’t Know
§ Cannot Do
§ Doesn’t Care
§ Doesn’t Do
People Considerations
1. Proper housekeeping
2. Scrupulous Inspection and Maintenance
3. Standard Operating Procedures
Environmental
Considerations

2.
TWI Job Safety
© Operational Excellence Consulting. All rights reserved.
TWI Job Safety (JS) program creates a simple and logical
framework by which supervisors can prevent accidents
from happening—by learning how to analyze the causes
of accidents and eliminating them before they happen.
§ Check the situation. Check the record.
Talk to people.
§ Consider both things and people.
§ Always be aware.
§ Foresee risks of incidents and injuries.
Dig down deep
Step 1: Spot the Causes of
Danger
§ Fit the causes together; consider their
bearings on each other.
§ Ask people who have detailed
knowledge.
§ Think of several countermeasures.
§ Make sure of alignment with policies,
regulations and standards.
§ Decide on back-up measures too.
Are you yourself the cause?
Step 2: Decide on
Countermeasures
§ Can you handle this yourself?
§ Do you need support from your
supervisor?
§ Whose cooperation should you get?
Put into effect immediately
Step 3: Enforce
Countermeasures
§ Check and check again
§ Was it carried out for certain?
§ Were the causes eliminated?
Has any new causes arisen?
Step 4: Check Results
The meaning of safety is to consider measures
and take action BEFORE a safety incident. It is
NOT to handle the aftermath.
Spot the
Causes of
Danger
Decide on
Counter-
measures
Enforce
Counter-
measures
Check Results
Safety Incidents Are Caused
– Break the Chain
A Supervisor’s Department Is Only
As Safe As He Makes It
FOUR STEPS OF
JOB SAFETY
1. To instruct each worker thoroughly in the safety
precautions of his job
2. To follow up safety training constantly
3. To keep all safety devices in proper use
4. To set a good safety example
Supervisor’s Major Safety
Responsibilities
1. Work area
2. Material handling
3. Machines
4. Tools
5. Improper clothing
Five Hazard Spots
HOW TO SPOT & AVOID
SAFETY HAZARDS
1. Remove hazard
2. Use protective equipment
3. Teach safe job method
3 Rules for Making Safety
Instructions
1. Capabilities
2. Mental and physical state
3. Use of personal protective equipment
4. Handling of tools
5. Human relations
§ Doesn’t Know
§ Cannot Do
§ Doesn’t Care
§ Doesn’t Do
People Considerations
1. Proper housekeeping
2. Scrupulous Inspection and Maintenance
3. Standard Operating Procedures
Environmental
Considerations

3.
© Operational Excellence Consulting. All rights reserved. 3
Operational Excellence Consulting is a management training and consulting
firm that assists organizations in improving business performance and
effectiveness. Based in Singapore, the firm’s mission is to create business
value for organizations through innovative design and operational excellence
management training and consulting solutions. For more information, please
visit www.oeconsulting.com.sg