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What you need to know

Guidance: what you need to know – the 18000 standards

Headlines

  • OHSAS BS 18001: 2007 is an international assessment standard for occupational health and safety
  • It’s supported by OHSAS BS 18002: 2008, Guidelines for the implementation of OHSAS 18001: 2007 and BS 18004: 2008 Guide to achieving effective occupational health and safety performance
  • The 18000 standards haven’t been adopted as ISO standards, but OHSAS 18001 and 18002 were developed by national standards and certification bodies from 43 countries, and are in use in around 80 countries.

What is OHSAS?

OHSAS stands for Occupational Health and Safety Assessment Standard.

Why three documents?

BS OHSAS 18001: 2007 is the UK approved version of OHSAS 18001: 2007. It states the requirements that must be met to demonstrate that an organisation has an effective occupational health and safety management system.

BS OHSAS 18002: 2008 doesn’t add any further requirements beyond those specified in 18001; however it provides guidance, with examples and issues to consider when implementing or auditing each clause in 18001.

BS 18004: 2008 has been described by BSI as “an advanced HSG 65”. It adds to the requirements in 18001 and the guidance in 18002, providing more detailed information about the key elements of effective occupational health and safety management. While the OHSAS documents have international application, BS 18004 is considered more relevant to practice in the UK.

Which standard can my organisation be audited against?

Only BS OHSAS 18001 is auditable. Companies that were compliant with OHSAS 18001: 1999 had until July 2009 to move to the 2007 standard. Third-party certification to OHSAS 18001:2007 is available from BSI, LRQA, RoSPA and other certification bodies.

Content of 18001

BS OHSAS 18001 consists of a statement of scope, references to OHSAS 18002 and ILO-OSH 2001, terms and definitions and the requirements of an OHS management system. The requirements fall under the following headings:

OHS policy: that policy should include a commitment to the prevention of injury and ill health and to comply with legal requirements, and requirements for the documentation, maintenance, review and availability of the policy

Planning: including hazard identification, risk assessment and control, with a hierarchy of controls provided

Implementation and operation: including resources, roles, responsibility, competence, communication, documentation, emergency preparedness and response

Checking: including performance measurement and monitoring, compliance evaluation, audit, incident investigation, corrective and preventive actions

Management review: includes a list of desirable inputs to and outputs from management reviews

Annex A provides the correspondence between OHSAS 18001: 2007, ISO 14001:2004 and ISO 9001:2000

Annex B provides the correspondence between OHSAS 18001: 2007, OHSAS 18002 and ILO-OSH: 2001.

Content of 18002

BS OHSAS: 2008 explains the principles of BS OHSAS 18001: 2007 and describes the intent, typical inputs, processes and outputs against each requirement in 18001. Annex A and B are as for 18001.

In addition:

Annex C provides examples of items for inclusion in a hazard identification checklist

Annex D provides comparisons of some risk assessment tools and methodologies.

Content of BS 18004

BS 18004 is based on an earlier guide, BS8800 Occupational health and safety management systems.  Structured around the OHSAS 18001 framework, BS 18004 provides more detailed information about what to do to implement an effective occupational health and safety management system in the context of UK OHS management practice. It includes many more annexes than 18001 and 18002. These include:

Annex A: integration of the OHSAS 18001 management system into the organisation’s business risk management system

Annex D: objective setting

Annex E: guidance on risk assessment and control. This includes examples of harm categories and a hazard checklist.

Annex G: occupational health

Annex H: worker involvement

Annex I: emergency preparedness and response

Annex K: incident investigation.

Where can I get hold of the standards?

You’ll find that some certification bodies and consultancies re-sell the standards, often alongside other supporting documentation (such as OHSAS BS 18001 compliant safety policies). However, the main supplier is BSI. Use these links to the BSI shop:

Where did the standards come from?

In 1996, BS8800 Guide to occupational health and safety management systems was published as non-certifiable guidance. This was influenced by both the 1991 version of the HSE’s safety management system guidance, HSG 65, the quality standard ISO 9001 and the environmental standard BS 7750 / ISO 14001. OHSAS 18001: 1999 was meant to be a specification with less detail than BS8800. BS OHSAS 18001: 2007 developed from this, whilst the original BS8800 with all the detail went through further development to become BS 18004:2008.

BSI provides a useful explanation of the differences between the 1999 and 2007 versions of 18001.

How does it work?

Case studies are available showing how the older OHSAS 18001:1999 has been used successfully.

The US NIOSH (National Institute for Occupational Safety and Health) has a detailed case study of how OHSAS 18001 was used to develop a health and safety management system, reducing recordable cases, lost-time cases and fatalities in a large mining and manufacturing organisation by over 80 per cent between 2001 and 2007.

What other OHS management systems should I be aware of?

The International Labour Organisation (ILO) issued ILO-OSH Guidelines on Occupational Health and Safety Management Systems in 2001. This aligns with HSG 65, but with greater emphasis on employee involvement. The ILO sees ILO-OSH as “an invaluable tool for employers and workers”.

The Americans based ANSI/AIHA Z10-2005 American National Standard for Occupational Health and Safety Management Systems on the ILO standard. Z10 is described as a voluntary consensus standard and ANSI promises benefits in productivity, financial performance and quality as well as in health and safety.

Find out if your industry has a specific OHS management system. For example, the Chemical Industries Association (CIA) publishes the Responsible Care Management System Framework

Training courses

BSI training

RoSPA QSA auditor training

IQMS training for OHSAS 18001: 2007

IOSH links

Systems in focus provide guidance on OHS management systems, outlining the structure, and the advantages and disadvantages of OHS management systems generally. A table comparing the features of HSG 65, BS 18004, BS OHSAS 18001, ILO-OSH and industry specific schemes provides a useful summary.

Further links

HSE provides a comparison of BS OHSAS 18001:2007 with BS 8800:2004, BS EN ISO 9001:2000, BS EN ISO 14001:2004, ILO OSH: 2001 and the CIA Responsible Care Management System Framework. 

The Royal Society of Chemistry (RSC) provides an outline of HSG 65, BS OHSAS 18001, ILO-OSH 2001, and the CIA Responsible Care Management System Framework. 

A quick guide to OHSAS 18001 and OHSAS 18001:1999 becomes BS OHSAS 18001:2007 can be downloaded from the BSI website if you register for free.

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Shaun Gibbons, e-Editor
+44 (0)116 257 3254

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