Office for Nuclear Regulation

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Report explains Devonport Improvement Notice

11 December, 2013

A report explaining the reasons behind the Improvement Notice served by ONR on Devonport Royal Dockyard Limited (DRDL) in July has now been published to the ONR website.

ONR served DRDL with the Improvement Notice after being made aware of a number of incidents at the site in which operations were not carried out in accordance with DRDL’s own operating rules and instructions.  Operating rules and instructions are limits and conditions imposed on activities by the Licensee themselves in the interest of maintaining safety. Subsequent inspections by ONR found that DRDL had not fully complied with the Management of Health and Safety at Work Regulations and Nuclear Site Licence Condition 24, in that they had not made adequate management arrangements to ensure that their operating rules and instructions were implemented.

Although satisfied that that this issue did not have an immediate impact on safety and that DRDL had already taken action to remedy some of the problems, ONR’s opinion was that an Improvement Notice was necessary to ensure that DRDL make the appropriate improvements to their arrangements by 31 March 2014.