Conference Proceedings Paper
STRONG PDM PROGRAM MANDATORY FOR AN OPTIMUM MIX OF TIME-BASED / CONDITION-BASED MAINTENANCE
11th International Conference on CANDU® Maintenance and Nuclear Components - 2017 Oct. 01-04
O. Gheorghiu (CNE Cernavoda)
The commercial nuclear generation market has changed dramatically over the past several years. At the same time that standards for safe and reliable operation of nuclear stations have increased, natural gas prices, conservation efforts, green generation, and a slowing demand for additional electric generation have driven the need for nuclear generators to reduce operating costs. Reductions in budgets and available resources coupled with increased administrative requirements strain stations abilities to perform required maintenance. It is imperative moving forward that nuclear stations effectively manage costs without compromising safety and reliability in order to remain economically viable.
With Preventive Maintenance program costs representing a large portion of maintenance budgets, it is easy to focus solely on the reduction of the number of PM tasks, and therefore the related resource requirements, as a cost saving measure. The solution would be to replace PM tasks with CBM tasks wherever possible. The major difference is that in PM’s there is a list of components which will be replaced after a period of time while in CBM’s what and when must be replaced deficient components results from a diagnosis. A strong PdM program with high level expertise personnel is mandatory because it is obvious that the quality of diagnosis determines CBM process efficiency.
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