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

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DOIResolve DOI: http://doi.org/10.2166/ws.2010.571
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TypeArticle
Journal titleWater Science and Technology: Water Supply
Volume10
Issue6
Pages897906; # of pages: 10
SubjectDeterioration modelling; economies of scale; nonhomogeneous Poisson; renewal scheduling; water mains; Water 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
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number53963
21438
NPARC number20374273
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Record identifier39e4122e-1263-4add-9564-9cba32736356
Record created2012-07-23
Record modified2016-05-09
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