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New ISO standard to promote approach for gas turbine safety

30 June, 2009

A new ISO standard addresses the major safety considerations to be taken into account when designing, packaging and installing gas turbine applications.

ISO 21789:2009, Gas turbine applications – Safety, covers the safety requirements for gas turbine applications using liquid or gaseous fuels, as well as the safety-related control and detection systems and essential auxiliaries for all types of open-cycle gas turbines used in onshore and offshore applications, including floating production platforms.

The standard addresses the risks of injury or death to humans and risks to the environment. In this respect, it details the anticipated significant hazards associated with gas turbines and specifies the appropriate preventative measures and processes for reducing or eliminating them.

Says Roger Santon, Convenor of the ISO working group which developed ISO 21789: “The prime motivation for developing this standard was an identified need to facilitate a common industry approach towards the application of safety methodology and its integration into best practice. International standardisation in this area gives both manufacturer and purchaser a clear set of globally accepted requirements against which to assess the risks associated with each gas turbine installation, and ensures a single point of reference for all stakeholders.”

In addition to covering the relevant safety requirements, ISO 21789:2009 will also assist designers, manufacturers and others by providing methods of compliance with the relevant, essential safety requirements of key European Directives for gas turbine applications related to machinery, ATEX and pressure equipment.

Moreover, and as far as practical, ISO 21789 also provides methods for compliance with the relevant, essential safety requirements of related European legislation concerned with the workplace, electromagnetic compatibility, pollution prevention, environmental noise, classification, packaging and labelling of dangerous substances, among others. Detailed references of the relevant Directives are included.

It is to be noted that the standard’s focus on European legislation does not prejudice its application outside the European Union.

ISO 21789:2009, Gas turbine applications – Safety, was prepared by technical committee ISO/TC 192, Gas turbines, and is available from ISO national member institutes (see the complete list with contact details). It may also be obtained directly from the ISO Central Secretariat, price 192 Swiss francs, through the ISO Store or by contacting the Marketing & Communication department (see right-hand column).

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