Urban Water Pipe Networks Management Towards Non-Revenue Water Reduction: Two Case Studies from Greece and Turkey

2013 ◽  
Vol 42 (7) ◽  
pp. 880-892 ◽  
Author(s):  
Vasilis Kanakoudis ◽  
Habib Muhammetoglu
Keyword(s):  
Case Studies ◽  
Urban Water ◽  
Water Pipe ◽  
Water Reduction ◽  
Pipe Networks ◽  
Non Revenue Water

scholarly journals Data-driven asset management in urban water pipe networks: a proposed conceptual framework

2021 ◽  
Author(s):  
E. Okwori ◽  
Y. Pericault ◽  
R. Ugarelli ◽  
M. Viklander ◽  
A. Hedström
Keyword(s):  
Data Management ◽  
Conceptual Framework ◽  
Asset Management ◽  
Water Utilities ◽  
Data Driven ◽  
Urban Water ◽  
Water Pipe ◽  
Pipe Network ◽  
Pipe Networks ◽  
Analytical Tools

Abstract Analytical tools used in infrastructure asset management of urban water pipe networks are reliant on asset data. Traditionally, data required by analytical tools has not been collected by most water utilities because it has not been needed. The data that is collected might be characterised by low availability, integrity and consistency. A process is required to support water utilities in assessing the accuracy and completeness of their current data management approach and defining improvement pathways in relation to their objectives. This study proposes a framework to enable increased data-driven asset management in pipe networks. The theoretical basis of the framework was a literature review of data management for pipe network asset management and its link to the coherence of set objectives. A survey to identify the current state of data management practice and challenges of asset management implementation in five Swedish water utilities and three focus group workshops with the same utilities was carried out. The main findings of this research were that the quality of pipe network datasets and lack of interoperability between asset management tools was a driver for creating data silos between asset management levels, which may hinder the implementation of data-driven asset management. Furthermore, these findings formed the basis for the proposed conceptual framework. The suggested framework aims to support the selection, development and adoption of improvement pathways to enable increased data-driven asset management in municipal pipe networks. Results from a preliminary application of the proposed framework are also presented.

Microwave-based system for non-destructive monitoring water pipe networks using support vector machine

2016 ◽  
Vol 10 (8) ◽  
pp. 910-915 ◽  
Author(s):  
Wesley Becari ◽  
Arthur M. de Oliveira ◽  
Henrique E.M. Peres ◽  
Fatima S. Correra
Keyword(s):  
Support Vector Machine ◽  
Support Vector ◽  
Water Pipe ◽  
Pipe Networks ◽  
Non Destructive

scholarly journals Implementing Water Policies in China: A Policy Cycle Analysis of the Sponge City Program Using Two Case Studies

2020 ◽  
Vol 12 (13) ◽  
pp. 5261 ◽  
Author(s):  
Xiao Liang ◽  
Yuqing Liang ◽  
Chong Chen ◽  
Meine Pieter van Dijk
Keyword(s):  
Local Government ◽  
Private Sector ◽  
Case Studies ◽  
Central Government ◽  
Urban Water ◽  
Policy Cycle ◽  
Water Projects ◽  
Sponge City ◽  
Private Sector Involvement

This study carries out an in-depth analysis of urban water policy implementation in China through a policy cycle analysis and case study of Sponge city program. The policy cycle analysis articulates discrete steps within the policy formulation and implementation process, while the case studies reflect the specific problems in water project implementation. Because of the principal–agent relation between central and local government, a ‘‘double wheel’’ policy cycle model is adopted to reflect the policy cycles at central level and at local level. Changde city and Zhuanghe city, two demo cities in the Sponge city program, are chosen for the analysis. The policy cycle analysis shows that the central government orders local government to implement policy without clear direction on how to attract private sector participation. The evaluation of central government did not include private sector involvement, nor the sustainability of the investments. This promotes the local government’s pursuit of project construction completion objectives, without seriously considering private sector involvement and operation and maintenance (O&M) cost. The local governments do not have political motivation and experiences to attract private investments into project implementation. The case study in the two demo cities shows that local government subsidies are the main source of O&M funding currently, which is not sustainable. The water projects are not financially feasible because no sufficient revenue is generated to cover the high initial investments and O&M cost. The lack of private sector involvement makes it difficult to maintain adequate funding in O&M, leading to the unsustainability of the water projects. It is not easy to achieve private sector involvement, but it could be the key to realizing urban water resilience in a more sustainable way.

scholarly journals Total and Specific THMs’ Prediction Models in Drinking Water Pipe Networks

2020 ◽  
Vol 2 (1) ◽  
pp. 55 ◽  
Author(s):  
Stavroula Tsitsifli ◽  
Vasilis Kanakoudis
Keyword(s):  
Drinking Water ◽  
Water Supply ◽  
Prediction Models ◽  
Supply System ◽  
Water Pipe ◽  
Site Specific ◽  
Pipe Networks ◽  
Drinking Water Supply System ◽  
Safety Of Drinking Water ◽  
By Products

Although disinfection is a crucial process for the safety of drinking water, it is responsible for the formation of disinfection by-products (DBPs) being accused of severe health problems. The present study presents the development of models predicting trihalomethanes (THMs) in a drinking water supply system in Greece. Although some of the developed models can be used for the prediction of THMs, they are site-specific and cannot be used extensively.

scholarly journals Erratum to: Water Pipe Networks Performance Assessment: Benchmarking Eight Cases Across the EU Mediterranean Basin

2014 ◽  
Vol 7 (1) ◽  
pp. 109-109 ◽  
Author(s):  
Vasilis Kanakoudis ◽  
Stavroula Tsitsifli ◽  
Petros Samaras ◽  
Anastasios I. Zouboulis
Keyword(s):  
Performance Assessment ◽  
Mediterranean Basin ◽  
Water Pipe ◽  
Pipe Networks ◽  
The Eu
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