Maint, Surveillance and In-Service Inspection in Nuclear

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Extra info for Maint, Surveillance and In-Service Inspection in Nuclear Powerplants (IAEA NS-G-2.6)

Example text

26. Spare items and components, materials and parts should be procured in accordance with the provisions of Safety Guide Q6 on Quality Assurance in the Procurement of Items and Services for Nuclear Power Plants [2]. Deviations from the 40 original specification, however minor, should not be permitted before the change has been referred to the plant management for consideration under the procedure established for plant modifications. Modern production processes can make it very difficult to discover that a manufacturer has made a change to an item.

6]). 5. Routine activities involving skills that qualified personnel usually possess may not require detailed step by step instructions; they should nevertheless be subject to control by means of general administrative procedures. 6. If exceptional circumstances arise in which a particular task has to be commenced or performed without following authorized procedures, this task should be carried out only under the direction of an authorized person. Once the task has been carried out, an appropriate evaluation should be made as soon as possible and in any event before the equipment is restored to normal service.

The operating organization should establish a programme for reviewing MS&I activities. Responsibility for this review programme should be assigned by the operating organization. 34. Such a review can assist line managers and supervisors in identifying and correcting programme deficiencies. An evaluation of each programme element should be conducted regularly, and this review should include inputs from all appropriate parts of the organization, including personnel in MS&I, operations and technical support.

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