Planning renewal of water mains while considering deterioration, economies of scale and adjacent infrastructure

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ConferenceProceedings 2nd International Conference on Water Economics, Statistics and Finance, IWA Specialist Group Statistics and Economics: 03 July 2009, Alexandroupolis, Greece
Pages113; # of pages: 13
SubjectWater mains
AbstractThe structural deterioration of water mains and their subsequent failure are affected by many factors, both static (e.g., pipe material, pipe size, age (vintage), soil type) and dynamic (e.g., climate, cathodic protection, pressure zone changes). This paper describes a non-homogeneous Poisson model developed for the analysis and forecast of breakage patterns in individual water mains, while considering both static and dynamic factors. Subsequently, these forecasted breakage patterns are used to schedule the renewal of water mains in an economically efficient manner, while considering the various associated costs, including economies of scale and scheduled works on adjacent infrastructure. In this paper, his principles of the approach are described briefly and its application is demonstrated with the help of a case study.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number51411
NPARC number20374379
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Record identifieref7f57a1-24ee-4903-b697-422fde58e7d5
Record created2012-07-23
Record modified2016-05-09
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