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Sellafield Ltd Substantiates First SMART Annunciator in Compliance with Requirements of the UK NII

Author : J GALE

01 February 2011

The SIL certified Omni16C alarm annunciator is the first SMART Alarm Annunciator to be substantiated by EMPHASIS for use in the UK nuclear industry.

Safety is of paramount concern in the Nuclear Industry. In accordance with the requirements of the UK Nuclear Installations Inspectorate, every nuclear site licensee in the UK must justify their safety case in order to operate in the UK. This involves substantiating the safety certification of each instrument involved.

With the increasing reliance on "SMART" instruments in safety systems, the problem of substantiating the software in these instruments has been a concern of the NII for a number of years.

The EMPHASIS tool was developed to assist the nuclear site operators to achieve a common level of substantiation whilst eliminating duplication of effort. The SIL1 certified Omni16C alarm annunciator has been substantiated by EMPHASIS for use in the UK nuclear industry.


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