n Civil Engineering = Siviele Ingenieurswese - Integrating pipe replacement prioritisation in the master planning process : water engineering
|Article Title||Integrating pipe replacement prioritisation in the master planning process : water engineering|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineering = Siviele Ingenieurswese|
|Author||Alex Sinske and Hanre Streicher|
|Publication Date||Jun 2013|
|Pages||17 - 20|
South Africa faces the challenge of operating and maintaining world class-infrastructure, while at the same time experiencing a backlog in services for those living in informal settlements. On-going planning for future growth and development must be performed to ensure acceptable future service levels. As existing infrastructure ages and deteriorates, maintenance and the prioritisation of infrastructure refurbishment become critical. Planning for the future includes planning for infrastructure provision, planning for maintenance and pipe replacements, as well as sound financial planning. Water and sewer master planning has traditionally taken the form of establishing a model of existing infrastructure, followed by compiling the master plan defining future improvements to the system to meet the requirements for expected developments. Infrastructure refurbishment programmes and proactive component replacement actions should be designed to be integrated with the master planning process. With the extensive GIS-based information from the Wadiso and Sewsan data models available as part of the master planning process, GLS has implemented a pipe replacement prioritisation methodology specifically suited for South African conditions, also taking account of the available information and reliability thereof.
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