LEP Dismantling Traceability: Experience Gained during the Execution Phase

Approximately half way through the dismantling of LEP, a first summary of observations on the traceability aspect can be made, in order to outline where practice differs from theory. Full traceability of the 30,000 tons of LEP materials that are being removed from the underground tunnel, is imposed by the French authorities due to LEP's classification as a French nuclear installation. General information on the LEP dismantling project can be found via the project home page [1]. The design and implementation of the traceability system was described before the execution phase of the dismantling project [2]. Inevitably, many operational procedures were modified for different facets of the traceability system in order to adapt to the circumstances in-situ. This paper covers the observed differences with the model, the modifications introduced and the consequent implications.