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RISK ASSESSMENT TRAINING
By
Faculty of Engineering, Safety Unit
What is Risk Assessment?
Risk Assessment is a systematic approach to identify
hazards, evaluate risk and incorporate appropriate
measures to manage and mitigate risk for any work
process or activity.
WHY we need to do RA?
Protect Ourselves
RA is key to prevention of accident
Everyone deserve to go home safely at the end of the
day
Elevate safety awareness & ownership
Aware of hazards, risks and controls and practicing
safe science
University and Faculty Procedures
Compliance with Regulations
“Source or situation or act with a potential for harm in terms
of human injury or ill health or a combination of these” (2
pg13)
e.g. - Toxic or flammable substances, electric energy, working at heights etc.
Definition – HAZARD
Hazard is something that cause harm or injury (MOM Risk Mgt Reg.)
Risk means the chance that someone will be
harmed by the hazard.
Risk = Hazard effect x Probability (likelihood
of Occurrence)
Definition - RISK
•Combination of the likelihood of an occurrence of a hazardous event
or exposure(s) and the severity of injury or ill health that may be
caused by the event or exposure(s) (13 page 13)
•Likelihood that a hazard will cause a specific harm or injury to
person or damage property (MOM)
How likely is it? What are the Impacts
Risk Level
MANAGE RISK
Risk management also includes control and monitoring of risks, as
well as communicating these risks
What can go Wrong
Risk Concepts
Legal Requirement
Legal Requirement
Workplace Safety & Health Act
Effective from 1st
March 2006.
The WSH Act is an essential part of the new OSH
framework to cultivate good safety habits in all
individuals at the workplace.
It requires every person at the workplace to take
“reasonable practicable” steps to ensure the
safety and health of every workplace and worker.
Legal Requirement
Reasonable Practicable
Action is considered to be
practicable when it is
capable of being done.
Legal Requirement
Reasonable Practicable
Reasonable usually takes into account:
• The severity of harm & degree of risk
(or likelihood) of that injury or harm
occurring. Greater risk, reasonable to go
to very considerable expense & effort to
reduce it
• How much is known about the hazard
& the ways of eliminating, reducing or
controlling it. What are others practicing
& what the standards recommend?
Legal Requirement
Workplace Safety And Health (Risk Management)
Regulations 2006
Enforced from 1st
September 2006.
The WSH (Risk Management) Regulations require employers, the
self-employed and principal (including contractor and sub-
contractor) to conduct risk assessments for the purpose of
identifying workplace safety and health risks and implementing
measures to control the hazards and reducing the risks.
Whoever generates the risk shall manage the risk.
Legal Requirement
Workplace Safety And Health (Risk Management)
Regulations 2006
Penalties
Any person who fails to comply may be fined up to $10,000 for
the first offence.
For a second or subsequent offence, the person may be fined up
to $20,000 or jailed up to 6 months or both.
R 3(1)R 3(1) -- Conduct Risk AssessmentConduct Risk Assessment
R 4(1)R 4(1) -- Eliminate, Minimise & Control Risk, Specify ResponsibilitiesEliminate, Minimise & Control Risk, Specify Responsibilities
R 5R 5 -- Maintain Risk Assessment RecordMaintain Risk Assessment Record
R 6R 6 -- Inform Those At Risk of Risks & Measures, SWPInform Those At Risk of Risks & Measures, SWP
R 7R 7 -- Review of Risk Assessment.Review of Risk Assessment.
RISK MAGEMEMENT REGULATIONS
Why is there a need for Risk Management Regulations ?
to hold stakeholders accountable
for managing the risks they create
to reduce risk at source
What is a hazard ?
 means anything with the potential to cause bodily injury
What is a risk ?
Means the likelihood that a hazard will cause a specific bodily injury to any
person.
RISK CONTROL
What can be done to control risks in the workplace ?
Some measures are : ( from most to least preferred )
Elimination – eliminate the hazard from the workplace
Substitution - substituting a hazardous substance or
process with a less hazardous one.
Engineering controls - installing machine guarding or
enclosing a noisy machine.
Administrative controls - applying a permit-to-work
system or lock-out and tag-out procedures.
PPE - provision and use of these equipment, AND
SWP – Safe Work Procedures
RECORDS of RISK ASSESSMENT
How often must the risk assessment be reviewed ?
• At least once every 3 years;
• After an accident;
• When there is significant change in work processes,
introduction of new machinery or chemicals;
• Information on safety technology or requirement
made known
OFFENCE
ESP who contravenes can result in
penalty :
• for 1st offence
–A fine not exceeding $10,000; and
• for 2nd or subsequent offence
–A fine not exceeding $20,000; and/or
–jail term not exceeding 6 months.
Risk Assessment
Risk Assessment Template
Activity or Experiment-Based Risk Assessment Form
Department: Name of Experiment/Activity:
Location: Name of Person in-charge: Name of PI:
Last Review Date: Next Review Date:
1. Hazard Identification 2. Risk Evaluation & Control
SN Task Hazards
Possible
Consequences
Existing Risk
Control
(if any)
S L R
Additional
/ New Risk
Control
S L R
Action
By
Deadline
Conducted by: (Name,
designation)
Approved by: (Name,
designation)
Signature: Signature:
Date: Date:
Risk Assessment Process
• IDENTIFY the hazards
• ASSESS the risks and available control
measures
• MANAGE the risk
– CONTROL the risks through implementation of
appropriate control measures
– MONITOR the controls to evaluate their
effectiveness
– Communication of Risks & Controls
Risk Assessment
Flowchart
The most important step in any Risk Assessment -
hazards can only be controlled if they are identified
PeoplePeople EnvironmentEnvironment
EquipmentEquipment ProceduresProcedures AgentsAgents
IDENTIFY POTENTIAL
HAZARDS
Each step is analyzed for potential inherent hazards
Decision on the relevance of any particular hazard
come later in the risk assessment processes
What are the Hazards in a laboratory?
• Chemicals
• Radiation
• Fire
• Electrical
• Biological
• Physical
• Slips and trips
• Falling hazard
• Ergonomics
• Thermal
• Noise etc…
Acute vs. Chronic Effects
IDENTIFY POTENTIAL HARM
 Identify Source of Harm
 Hazardous event or process
 Hazardous substance
 Equipment
 Identify who could be harmed
 Researcher
 Others students
 Contractor/supplier
 Visitor
 Identify how harm could occur
 Accidental fall from height
 Contact with corrosive chemicals
 Injury
 First Aid Treatment
 Visit Clinic/ hospital
 Admitted in Hospital
 Permanent damage
 Acute Vs Chronic Effects
 Lab Acquired Infection
 Property Damage
 Breakage of glassware
 Equipment
 Furniture
 Building
 Environmental Release
 Release to Air
 Water
 Waste materials - solid
Identify what are the adverse conditions may arise due the hazard
present in your experiments, laboratory or environment
Risk Evaluation
 Consider existing controls
 Engineering controls (Fumehood, glovebox, chains for
cylinder, others)
 Administrative controls (Signage, training, SOPs, others)
 Personal Protective Equipment
 Existing control will not change the severity but only
likelihood
 Severity & likelihood is based on 3 by 3 matrix and the
respective criteria specified
 Risk rating is the product of severity by likelihood
 Refer to acceptability criteria on the recommended
action for different risk rating
 For medium & high risk, additional controls will be
required
Risk Evaluation
Level Human (Impact to
Physical Being)
Biological Impact Environmental
Damage
Property Damage
(S$)
(1) Minor No Injury or light injury
requiring only first aid
treatment (MC < 4 days
MC)
May not cause human disease, if does, the
disease is unlikely to spread to the community
and there is usually effective prophylaxis or
treatment available;
Reversible Up to $5,000
(2) Moderate Any injury/ill health
leading to ≥ 4 days MC
or ≥ 1 day
hospitalisation or leads
to temporary disability
Can cause severe human disease, not
ordinarily spread by casual contact from one
individual to another; it may spread to the
community, but there is usually effective
prophylaxis or treatment available
Reversible but takes
years
$5,001 to $50,000
(3) Major Fatality, permanent
Disability or life
threatening disease
Can cause lethal human disease, may be
readily transmitted from one individual to
another, or from animal to human or vice-versa
directly or indirectly, or casual contact, it may
spread to the community; usually no effective
prophylaxis or treatment available
Irreversible More than $50,000
Severity Categories & Description
Risk Evaluation
Likelihood Categories & Description
Level Events Frequency
(1) Remote Undesired event which may occur but unlikely, once in 5
years
(2) Possible Undesired event which is probable, once in a year
(3) Frequent Undesired event which probably occur in most
circumstances, once or more in a month
Risk Evaluation
Risk matrix to determine Risk Level
Likelihood
Severity
Remote (1) Occasional (2) Frequent (3)
Minor (1) 1 2 3
Moderate (2) 2 4 6
Major (3) 3 6 9
Risk Evaluation
Acceptability of Risk
Risk
Score
Risk
Level
Acceptability
of Risk
Recommended Actions
<3
Low
Risk
Acceptable
No additional risk control measures required. To continue to monitor to
ensure risk do not escalate to higher level.
3 – 4
Medium
Risk
Moderately
Acceptable
Acceptable to carry out the work activity; however, task need to be
reviewed to bring risk level to As Low As Reasonably Practicable.
Interim control measures such as administrative controls can be
implemented. Supervisory oversight required.
>4
High
Risk
Not
Acceptable
Job must not be carried out until risk level is brought to at least medium risk
level.
Risk controls should not be overly dependant on personal protective
equipment. Controls measures should focus on Elimination, substitution
and engineering controls.
Immediate Management intervention required to ensure risk being brought
down to at least medium level before work can be commenced.
Control Measures
Risk Control
 Using Hierarchy of Controls to reduce the risk
 Using the concept of As Low As Reasonably Practicable
(ALARP)
Hierarchy of Risk Control
Measures
Risk assessment-training
 Additional control for risk rated more than 3 or
medium & high risk
Reduce risk to as low as reasonably practicable
 Who and When?
Responsible person to implement the identified
control measures and
Timeline for completion  update the risk
assessment upon completion of the additional
control measures
Additional Controls
Responsible person and timeline
Record Keeping
1. Risk Assessment record has to be kept for at least 3 years under
the WHS (RM) Regulations requirement.
• Recommended to keep record as long as the process/activity is
still valid, before end of any product life cycle or to tie in with the
period other legislation requires pertaining to the particular
process/activity.
Implementation & Review
1. Management staff or Principle Investigator will need to approve the
implementation of control measures.
2. Monitoring of the process or activity has to be carried to ensure that
there is no residual risk or additional risk arising from the control
measures.
3. Risk assessors have to check or monitor the new implementation of
control measures and to communicate with respective lab or operational
personnel.
4. Review on Risk Assessment to be carried on the following basis:
- At lease once every three years base on legislative requirements
- After an accident/incident occurrence
- Any change in process or activity
Thank you

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Risk assessment-training

  • 1. RISK ASSESSMENT TRAINING By Faculty of Engineering, Safety Unit
  • 2. What is Risk Assessment? Risk Assessment is a systematic approach to identify hazards, evaluate risk and incorporate appropriate measures to manage and mitigate risk for any work process or activity.
  • 3. WHY we need to do RA? Protect Ourselves RA is key to prevention of accident Everyone deserve to go home safely at the end of the day Elevate safety awareness & ownership Aware of hazards, risks and controls and practicing safe science University and Faculty Procedures Compliance with Regulations
  • 4. “Source or situation or act with a potential for harm in terms of human injury or ill health or a combination of these” (2 pg13) e.g. - Toxic or flammable substances, electric energy, working at heights etc. Definition – HAZARD Hazard is something that cause harm or injury (MOM Risk Mgt Reg.)
  • 5. Risk means the chance that someone will be harmed by the hazard. Risk = Hazard effect x Probability (likelihood of Occurrence) Definition - RISK •Combination of the likelihood of an occurrence of a hazardous event or exposure(s) and the severity of injury or ill health that may be caused by the event or exposure(s) (13 page 13) •Likelihood that a hazard will cause a specific harm or injury to person or damage property (MOM)
  • 6. How likely is it? What are the Impacts Risk Level MANAGE RISK Risk management also includes control and monitoring of risks, as well as communicating these risks What can go Wrong Risk Concepts
  • 8. Legal Requirement Workplace Safety & Health Act Effective from 1st March 2006. The WSH Act is an essential part of the new OSH framework to cultivate good safety habits in all individuals at the workplace. It requires every person at the workplace to take “reasonable practicable” steps to ensure the safety and health of every workplace and worker.
  • 9. Legal Requirement Reasonable Practicable Action is considered to be practicable when it is capable of being done.
  • 10. Legal Requirement Reasonable Practicable Reasonable usually takes into account: • The severity of harm & degree of risk (or likelihood) of that injury or harm occurring. Greater risk, reasonable to go to very considerable expense & effort to reduce it • How much is known about the hazard & the ways of eliminating, reducing or controlling it. What are others practicing & what the standards recommend?
  • 11. Legal Requirement Workplace Safety And Health (Risk Management) Regulations 2006 Enforced from 1st September 2006. The WSH (Risk Management) Regulations require employers, the self-employed and principal (including contractor and sub- contractor) to conduct risk assessments for the purpose of identifying workplace safety and health risks and implementing measures to control the hazards and reducing the risks. Whoever generates the risk shall manage the risk.
  • 12. Legal Requirement Workplace Safety And Health (Risk Management) Regulations 2006 Penalties Any person who fails to comply may be fined up to $10,000 for the first offence. For a second or subsequent offence, the person may be fined up to $20,000 or jailed up to 6 months or both. R 3(1)R 3(1) -- Conduct Risk AssessmentConduct Risk Assessment R 4(1)R 4(1) -- Eliminate, Minimise & Control Risk, Specify ResponsibilitiesEliminate, Minimise & Control Risk, Specify Responsibilities R 5R 5 -- Maintain Risk Assessment RecordMaintain Risk Assessment Record R 6R 6 -- Inform Those At Risk of Risks & Measures, SWPInform Those At Risk of Risks & Measures, SWP R 7R 7 -- Review of Risk Assessment.Review of Risk Assessment.
  • 13. RISK MAGEMEMENT REGULATIONS Why is there a need for Risk Management Regulations ? to hold stakeholders accountable for managing the risks they create to reduce risk at source What is a hazard ?  means anything with the potential to cause bodily injury What is a risk ? Means the likelihood that a hazard will cause a specific bodily injury to any person.
  • 14. RISK CONTROL What can be done to control risks in the workplace ? Some measures are : ( from most to least preferred ) Elimination – eliminate the hazard from the workplace Substitution - substituting a hazardous substance or process with a less hazardous one. Engineering controls - installing machine guarding or enclosing a noisy machine. Administrative controls - applying a permit-to-work system or lock-out and tag-out procedures. PPE - provision and use of these equipment, AND SWP – Safe Work Procedures
  • 15. RECORDS of RISK ASSESSMENT How often must the risk assessment be reviewed ? • At least once every 3 years; • After an accident; • When there is significant change in work processes, introduction of new machinery or chemicals; • Information on safety technology or requirement made known
  • 16. OFFENCE ESP who contravenes can result in penalty : • for 1st offence –A fine not exceeding $10,000; and • for 2nd or subsequent offence –A fine not exceeding $20,000; and/or –jail term not exceeding 6 months.
  • 18. Risk Assessment Template Activity or Experiment-Based Risk Assessment Form Department: Name of Experiment/Activity: Location: Name of Person in-charge: Name of PI: Last Review Date: Next Review Date: 1. Hazard Identification 2. Risk Evaluation & Control SN Task Hazards Possible Consequences Existing Risk Control (if any) S L R Additional / New Risk Control S L R Action By Deadline Conducted by: (Name, designation) Approved by: (Name, designation) Signature: Signature: Date: Date:
  • 19. Risk Assessment Process • IDENTIFY the hazards • ASSESS the risks and available control measures • MANAGE the risk – CONTROL the risks through implementation of appropriate control measures – MONITOR the controls to evaluate their effectiveness – Communication of Risks & Controls
  • 21. The most important step in any Risk Assessment - hazards can only be controlled if they are identified PeoplePeople EnvironmentEnvironment EquipmentEquipment ProceduresProcedures AgentsAgents IDENTIFY POTENTIAL HAZARDS Each step is analyzed for potential inherent hazards Decision on the relevance of any particular hazard come later in the risk assessment processes
  • 22. What are the Hazards in a laboratory? • Chemicals • Radiation • Fire • Electrical • Biological • Physical • Slips and trips • Falling hazard • Ergonomics • Thermal • Noise etc… Acute vs. Chronic Effects
  • 23. IDENTIFY POTENTIAL HARM  Identify Source of Harm  Hazardous event or process  Hazardous substance  Equipment  Identify who could be harmed  Researcher  Others students  Contractor/supplier  Visitor  Identify how harm could occur  Accidental fall from height  Contact with corrosive chemicals  Injury  First Aid Treatment  Visit Clinic/ hospital  Admitted in Hospital  Permanent damage  Acute Vs Chronic Effects  Lab Acquired Infection  Property Damage  Breakage of glassware  Equipment  Furniture  Building  Environmental Release  Release to Air  Water  Waste materials - solid Identify what are the adverse conditions may arise due the hazard present in your experiments, laboratory or environment
  • 24. Risk Evaluation  Consider existing controls  Engineering controls (Fumehood, glovebox, chains for cylinder, others)  Administrative controls (Signage, training, SOPs, others)  Personal Protective Equipment  Existing control will not change the severity but only likelihood  Severity & likelihood is based on 3 by 3 matrix and the respective criteria specified  Risk rating is the product of severity by likelihood  Refer to acceptability criteria on the recommended action for different risk rating  For medium & high risk, additional controls will be required
  • 25. Risk Evaluation Level Human (Impact to Physical Being) Biological Impact Environmental Damage Property Damage (S$) (1) Minor No Injury or light injury requiring only first aid treatment (MC < 4 days MC) May not cause human disease, if does, the disease is unlikely to spread to the community and there is usually effective prophylaxis or treatment available; Reversible Up to $5,000 (2) Moderate Any injury/ill health leading to ≥ 4 days MC or ≥ 1 day hospitalisation or leads to temporary disability Can cause severe human disease, not ordinarily spread by casual contact from one individual to another; it may spread to the community, but there is usually effective prophylaxis or treatment available Reversible but takes years $5,001 to $50,000 (3) Major Fatality, permanent Disability or life threatening disease Can cause lethal human disease, may be readily transmitted from one individual to another, or from animal to human or vice-versa directly or indirectly, or casual contact, it may spread to the community; usually no effective prophylaxis or treatment available Irreversible More than $50,000 Severity Categories & Description
  • 26. Risk Evaluation Likelihood Categories & Description Level Events Frequency (1) Remote Undesired event which may occur but unlikely, once in 5 years (2) Possible Undesired event which is probable, once in a year (3) Frequent Undesired event which probably occur in most circumstances, once or more in a month
  • 27. Risk Evaluation Risk matrix to determine Risk Level Likelihood Severity Remote (1) Occasional (2) Frequent (3) Minor (1) 1 2 3 Moderate (2) 2 4 6 Major (3) 3 6 9
  • 28. Risk Evaluation Acceptability of Risk Risk Score Risk Level Acceptability of Risk Recommended Actions <3 Low Risk Acceptable No additional risk control measures required. To continue to monitor to ensure risk do not escalate to higher level. 3 – 4 Medium Risk Moderately Acceptable Acceptable to carry out the work activity; however, task need to be reviewed to bring risk level to As Low As Reasonably Practicable. Interim control measures such as administrative controls can be implemented. Supervisory oversight required. >4 High Risk Not Acceptable Job must not be carried out until risk level is brought to at least medium risk level. Risk controls should not be overly dependant on personal protective equipment. Controls measures should focus on Elimination, substitution and engineering controls. Immediate Management intervention required to ensure risk being brought down to at least medium level before work can be commenced.
  • 30. Risk Control  Using Hierarchy of Controls to reduce the risk  Using the concept of As Low As Reasonably Practicable (ALARP)
  • 31. Hierarchy of Risk Control Measures
  • 33.  Additional control for risk rated more than 3 or medium & high risk Reduce risk to as low as reasonably practicable  Who and When? Responsible person to implement the identified control measures and Timeline for completion  update the risk assessment upon completion of the additional control measures Additional Controls Responsible person and timeline
  • 34. Record Keeping 1. Risk Assessment record has to be kept for at least 3 years under the WHS (RM) Regulations requirement. • Recommended to keep record as long as the process/activity is still valid, before end of any product life cycle or to tie in with the period other legislation requires pertaining to the particular process/activity.
  • 35. Implementation & Review 1. Management staff or Principle Investigator will need to approve the implementation of control measures. 2. Monitoring of the process or activity has to be carried to ensure that there is no residual risk or additional risk arising from the control measures. 3. Risk assessors have to check or monitor the new implementation of control measures and to communicate with respective lab or operational personnel. 4. Review on Risk Assessment to be carried on the following basis: - At lease once every three years base on legislative requirements - After an accident/incident occurrence - Any change in process or activity

Editor's Notes

  1. As a responsible employer and a world class educational institution, it is NUS’ responsibility to ensure the environment in NUS is safe for our staff and students. It is therefore our aim to prevent injuries and accidents. And if accidents do happen, the organization should be able to respond quickly and effectively to bring the situation under control. This would minimise damage and harm to property and most importantly, the save lives. I will be covering three areas in this presentation: Occupational Safety and Health, Emergency Management and Environmental sustainability.
  2. There are many different hazards in a laboratory. Examples include Chemicals Radioisotopes Lasers Flammable materials Electrical sources Biological agents Physical hazards Slips and trips Falling hazard Ergonomics Thermal Noise just to name a few Hazards can result in either into acute and/or chronic effects.
  3. *to re-use recording from previous module