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NEBOSH International Diploma Syllabus

What's covered in the NEBOSH International Diploma?

NEBOSH certified logo - largeThe NEBOSH International Diploma for Occupational Health and Safety Professionals is a leading qualification for those already in a health and safety role looking to develop their skills to an advanced level.

It replaced the previously known NEBOSH International Diploma in Occupational Health and Safety (2015 Syllabus) in April 2021. 

The qualification is split into 3 units and covers health and safety regulation, managing risk, influencing culture, and hazard control

Learning Outcomes

The NEBOSH International Diploma has 10 learning outcomes. By the end of the course you'll be able to:

  1. Source, develop, evaluate and interpret relevant health and safety information and communicate it effectively to those who need it.
  2. Promote a positive health and safety culture by changing attitudes and engaging, supporting, and influencing leaders.
  3. Assess, develop and maintain individual and organisational health and safety competence.
  4. Understand risk management, including the techniques for identifying hazards, risk assessment, control measures, and developing a risk management strategy.
  5. Develop and implement proactive and reactive health and safety monitoring systems and carry out reviews and auditing of such systems.
  6. Continually develop your professional skills and ethics to actively influence improvements in health and safety.
  7. Develop a health and safety policy strategy within your organisation (including proactive safety, Corporate Social Responsibility, and change management).
  8. Contribute to health and safety legal actions.
  9. Manage contractors and supply chains to ensure compliance with health and safety standards.
  10. Advise your organisation on a range of common workplace health and safety issues/hazards.

Full NEBOSH International Diploma Syllabus

ID1: Workplace Health and Safety Principles

This unit provides an in-depth understanding of the key areas for managing health and safety. It covers moral, economic and societal drivers, ILO regulation, and management systems.  

  • 1.1 Socio-legal models
  • 1.2 Enforcement
  • 1.3 The International Labour Organization and its conventions and recommendations
  • 1.4 Nongovernmental bodies and health and safety standards
  • 1.5 Third parties
  • 1.6 Insurers
  • 2.1 Organisational structures
  • 2.2 Leadership
  • 2.3 Consultation
  • 2.4 Health and safety cultures and behavioural change programmes
  • 2.5 Traditional and proactive safety management
  • 2.6 Risk perception
  • 2.7 Human failures and factors
  • 3.1 Competence, training, information and supervision
  • 3.2 High reliability organisations
  • 4.1 Hazard identification and techniques
  • 4.2 Managing health and safety risks
  • 4.3 Risk management
  • 5.1 Loss causation and quantitative analysis of data
  • 5.2 Measuring and monitoring
  • 6.1 Professional skills
  • 7.1 Societal factors
  • 7.2 Corporate social responsibility
  • 7.3 Organisation changes
  • 8.1 Contractors and supply chains

ID2: Controlling Workplace Health Issues

Unit 2 gives an in-depth understanding of all major aspects of managing chemical, biological, physical and physiological hazards in the workplace.

  • 9.1 Occupational health and safety services
  • 9.2 Mental ill health, wellbeing, workplace violence, lone working
  • 9.3 Health surveillance
  • 9.4 Hazardous substances
  • 9.5 Health risks from hazardous substances
  • 9.6 Epidemiology and toxicology
  • 9.7 Asbestos
  • 9.8 Ventilation and PPE
  • 9.9 Hazardous substance monitoring
  • 9.10 Biological agents
  • 9.11 Noise
  • 9.12 Vibration
  • 9.13 Radiation
  • 9.14 Musculoskeletal issues and manual handling
  • 9.15 Workplace temperatures and welfare arrangements

ID3: Controlling Workplace Safety Issues

Unit 3 provides a thorough understanding of how to create a safe working environment It covers welfare, fire, dangerous substances, work equipment, electricity, construction and transport. 

  • 10.1 Safe working environment
  • 10.2 Confined spaces
  • 10.3 Fire and explosion
  • 10.4 Fire
  • 10.5 Dangerous substances
  • 10.6 Work equipment and machinery maintenance
  • 10.7 Work equipment
  • 10.8 Machinery
  • 10.9 Mobile work equipment and lifting equipment
  • 10.10 Electricity
  • 10.11 Construction, work at height, demolition, excavation
  • 10.12 Workplace transport, work related driving

NEBOSH International Diploma Assessment

The NEBOSH International Diploma is assessed entirely through practical activities and scenario-based questions.

Unit ID1 is assessed with a practical assignment split into four sections:

  • Section 1: Scenario-based questions
  • Section 2: Workplace activities
  • Section 3: Reflective tasks
  • Section 4: A short research project

NEBOSH recommends you spend around 60 hours on your ID1 assignment. You will have 6 weeks (30 working days) to complete your assignment and submit it electronically.

Units ID2 and ID3 are each assessed with a case study and scenario based questions. NEBOSH recommends you spend around 40 hours on each assessment paper. You will have 4 weeks (20 working days) to complete each assessment and submit it electronically.

NEBOSH Diploma Pass Marks

You must achieve a pass in all three units to achieve your full NEBOSH Diploma. Once you’ve passed all units, your marks will be added together and you’ll be awarded your final qualification grade.

  • Pass 150-195 marks
  • Credit 196-255 marks
  • Distinction 226+ marks

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