Portfolio Selection Tool for AGR Channel Inspections

Quintessa has developed a custom portfolio selection tool, CHANSELA (Channel Selection Assistant), for EDF Energy (formerly British Energy), which supports decisions on which selection of channels of Advanced Gas Cooled Reactors (AGRs) should be inspected to support continued safe operation.

CHANSELA is able to suggest the combination of channels that will provide the maximal amount of information subject to user-specified constraints, and to compare this with user-defined selections. The software employs some novel concepts, including a genetic algorithm for optimising channel selections, and allows every stage of the process to be documented, providing a clear and transparent audit trail.