Severn Trent Water Severn Trent Center

Coventry, United Kingdom

Severn Trent Water Severn Trent Center

Coventry, United Kingdom
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Husband S.,University of Sheffield | Mistry J.,Severn Trent Water Severn Trent Center | Boxall J.,University of Sheffield
Procedia Engineering | Year: 2014

This paper presents predictive discolouration modelling and subsequent field trial results for a cast iron trunk main network. This enabled a UK water company to propose an 'operational flow conditioning' maintenance plan that reduces discolouration risk, improves network resilience and asset condition and yet does not require the trunk main to be decommissioned for invasive cleaning. This represents substantial time and cost benefits. Pre-and-post trial turbidity monitoring data is also presented which identified a daily flux of material, a factor in the regeneration of material layers that have been shown to cause discolouration when mobilised. Additional data detecting the occurrence of pressure transients is also presented, a possible cause of contaminant ingress and asset failure. © 2013 The Authors.

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