Application of GIS in understanding and communicating interaction between environmental parameters and sewer blockages

Cook, Stephen, Boulaire, Fanny, Davis, Paul, & Gould, Scott (2008) Application of GIS in understanding and communicating interaction between environmental parameters and sewer blockages. In Queensland Spatial Conference 2008 : Global warming : What's happening in paradise?, 17-19 July 2008, Gold Coast, Queensland, Australia.

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Abstract

Sewer main chokes (blockages) are a key performance indicator for Australian water utilities. Blockages caused by tree roots often result in wastewater overflow posing an environmental and health risk and also requiring service interruptions to repair asset. The purpose of the research project outlined in this paper was to understand the role of environmental parameters, in particular soil type and tree density, in determining the propensity of a sewer to become blocked. The paper demonstrates the application of spatial analysis to inform and communicate the results of the analysis. GIS was used to explore the relationship between tree density and previously recorded sewer blockages for a Melbourne utility. Initial results from the research reveal a relationship between increased tree densities and occurrence of sewer blockages. An improved understanding of the influence of environmental parameters on the inherent risk of sewer blockage will enable asset managers to identify those assets requiring proactive management in order to minimise service interruptions, repairs and environmental impacts.

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ID Code: 75305
Item Type: Conference Paper
Refereed: Yes
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Infrastructure Engineering and Asset Management (090505)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > GEOMATIC ENGINEERING (090900) > Geospatial Information Systems (090903)
Divisions: Current > Schools > School of Design
Current > QUT Faculties and Divisions > Creative Industries Faculty
Copyright Owner: Copyright 2008 Please consult the authors
Deposited On: 21 Aug 2014 22:50
Last Modified: 05 Sep 2014 23:13

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