A GIS-based decision support system for optimal renewal planning of sewers

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Conference13th Annual Conference on Urban Infrastructure (INFRA 2007): 05 November 2007, Montréal, QC.
Pages19; # of pages: 9
Subjectsewer networks, asset management, GIS, renewal planning, optimization; Sewers
AbstractThis paper discusses the development of a GIS-based Decision Support System (DSS) to support the renewal planning of sewer networks. The approach involves several steps addressing condition rating, risk assessment, and prioritization of sewers. It also incorporates a procedure for identifying and selecting the most suitable renewal technologies. A genetic algorithm (GA)-based multi-objective optimization technique is used to identify a set of feasible solutions, along with the associated costs and expected benefits in terms of condition improvement and risk reduction.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number50054
NPARC number20377982
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Record identifier3437b2b9-5618-4461-bf35-24579742109d
Record created2012-07-24
Record modified2016-05-09
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