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Coordinated long term planning of sewer and water mains rehabilitation
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2017 (English)Conference paper, (Other academic)
Abstract [en]

Long term planning methodologies for sewer and water mains rehabilitation play a key role in water infrastructure asset management by enabling modelling the influence of renewal strategies on various sustainability indicators. Long term rehabilitation scenarios defining annual replacement rates are typically compared in order to choose the best strategy for the sewer and drinking water network, separately. Another important factor for long term rehabilitation planning is the share of replacement work that will be coordinated with other infrastructures (e.g. water network for the sewer network and vice versa, roads, etc.). This reduces linear replacement costs but also shortens the service life of pipes replaced for coordination reason. The paper proposes an integrated methodology to evaluate the impact of different coordination strategies on future replacement costs for water and sewer networks renewal. The method is applied on a newly built residential area in the town of Gällivare in Sweden.

Place, publisher, year, edition, pages
2017.
Keyword [en]
coordination, replacement, road, cohort survival, investments
National Category
Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-64912OAI: oai:DiVA.org:ltu-64912DiVA: diva2:1128593
Conference
Leading Edge Sustainable Asset Management of Water and Wastewater Infrastructure Conference. Trondheim, Norway, 20-22 June 2017.
Available from: 2017-07-26 Created: 2017-07-26 Last updated: 2017-07-26

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Pericault, YouenViklander, MariaHedström, Annelie
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Citation style
  • apa
  • harvard1
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