While undertaking nuclear decommissioning, both Sellafield and Magnox still need to install considerable quantities of instrumentation. This is used for monitoring during plant closure and subsequent decommissioning. Common sense says installing items in a plant we wish to dismantle is counter intuitive. Installation work in parts of nuclear sites is often costly, difficult and time-consuming. Decommissioning often means legacy installed Control & Instrumentation (C&I) is no longer appropriate nor in the correct location. For C&I in remote locations, or where access is difficult (stacks, chimneys, furnaces, areas with higher background radiation, atmospheres explosive (ATEX; an area with a flammable atmosphere) hazardous areas, environmental monitoring, etc.), cable infrastructure costs dominate C&I project budgets.
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