Research into RCM using the case of Hidrovía: Practical use in the Aid to Navigation sector

Additional thesis - This thesis looks into the use of the Reliability Centred Maintenance in practice, by applying the methodology in a real life case, analysing the maintenance department of the organisation Hidrovía S.A.. Nowadays Hidrovía S.A. is maintaining the aid to navigation of the main river in Argentina, a concession given by the national government of maintaining and dredging more than 1500 km of waterway. The aid to navigation can be divided in roughly three types: buoy, beacon and spar, which they mainly hold up by using corrective maintenance. This could positively be changed by adapting some maintenance strategies. Using a Fault Tree Analysis and Failure Mode Effect Analysis during the RCM process, a few things were noticed; the three types of Aid to Navigation (AtoN) have a lot different sub components in common, the buoy has the highest failure rate and within the buoy there are six critical sub components: the top mark, lantern, battery (case), solar panel, floating system and chain. These six critical sub components could gain more reliability by adapting the maintenance policy: scheduled maintenance of the lantern, battery case and solar panel, redesign of the floating system and a combined strategy (preventive and scheduled maintenance) for the chain. In order to give a real maintenance policy adaptation, unfortunately more information is needed. More research should be done in the possibility of combining the scheduled replacement with the preventive maintenance and the redesigned buoys replacement. Also, the feasibility of the redesignitself should be looked into.

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