Long-term Availability Analysis of Water Treatment Plants

Complex Repairable Systems with Deteriorating Characteristics

Master thesis (2018)

Authors

J.M. van de Loo Civil Engineering & Geosciences
R.J. Smit Civil Engineering & Geosciences

Contributors

A.R.M. Wolfert (supervisor 1)
M. van den Boomen (supervisor 1)
N. Khakzad Rostami (supervisor 1)
G.J. van Heck (supervisor 1)
Faculty
Civil Engineering & Geosciences
Copyright: © 2018 Jasper van de Loo, Roland Smit
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Published Date

02-07-2018

Language

English

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Faculty

Civil Engineering & Geosciences

Abstract

Water Treatment Plants (WTPs) play a key role in assuring water availability to citizens and businesses. Long term availability of these plants is the interest of the asset manager of a WTP and can be influenced by maintenance strategies and modifications of the system. A WTP is characterized by a complex configuration and repairable, deteriorating assets. Currently, no method in the literature is known for modelling the long term availability of systems with these characteristics. This research introduces a two level hierarchical model: it deals with complexity at the system level and with repairable, deteriorating assets at the component level. At the component level the asset manager has to select between a condition based or failure event based model. A flowchart supports the decision making process for this choice. The result is a method which allows the asset manager to (1) learn about what key components affect long term availability of a WTP and (2) explore maintenance strategies and modifications to the WTP and their effect on long term availability.