Browsing Publikasjoner fra CRIStin by Author "Ugarelli, Rita Maria"
Now showing items 1-20 of 23
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A Risk-Based Approach in Rehabilitation of Water Distribution Networks
Raspati, Gema Sakti; Bruaset, Stian; Bosco, Camillo; Mushom, Lars; Johannessen, Birgitte Gisvold; Ugarelli, Rita Maria (Peer reviewed; Journal article, 2022)A risk-based approach to support water utilities in terms of defining pipe rehabilitation priorities is presented. In a risk analysis in the risk management process, the probability that a given event will happen and the ... -
An integrated modeling approach to optimize the management of awater distribution system: improving the sustainability whiledealing with water loss, energy consumption and environmentalimpacts
D'Ercole, Marianna; Righetti, Maurizio; Ugarelli, Rita Maria; Berardi, Luigi; Bertola, Paolo (Journal article; Peer reviewed, 2016)There is a strong link between water and energy in municipal water systems then the Alliance to Save Energy coined the term "Watergy" [1]. Each component of the integrated water system contributes differently to the ... -
Condition monitoring for early failure detection. Frognerparken pumping station as case study
Berge, Svein Peder; Lund, Berit Floor; Ugarelli, Rita Maria (Journal article; Peer reviewed, 2014)A case study has been carried out to investigate how process data from Frognerparken Pumping Station can be used more efficiently to get an early detection of degradation or failures of the pump systems. The technical ... -
Data-driven asset management in urban water pipe networks: a proposed conceptual framework
Okwori, Emmanuel; Pericault, Y.; Ugarelli, Rita Maria; Viklander, M.; Hedström, A. (Peer reviewed; Journal article, 2021)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 ... -
Dynamic metabolism modeling as a decision-support tool for urban water utilities applied to the upstream of the water system in Oslo, Norway
Govindarajan, Venkatesh; Ugarelli, Rita Maria; Sægrov, Sveinung; Brattebø, Helge (Journal article; Peer reviewed, 2014)The paper presents, first, the ‘Dynamic Metabolism Model’ (DMM), developed by the authors, followed by an application to the city of Oslo, capital city of Norway. The time period considered for the analysis is 2013-2043. ... -
A framework to explain the role of boundary objects in sustainability transitions
Franco-Torres, Manuel; Rogers, Briony; Ugarelli, Rita Maria (Peer reviewed; Journal article, 2020)Our modern society is characterized by increasing diversity and complexity, leading to overwhelming challenges like climate change or environmental degradation. These problems are posing impracticable ethical dilemmas and ... -
A framework to explain the role of boundary objects in sustainability transitions
Franco Torres, Manuel; Rogers, Briony; Ugarelli, Rita Maria (Peer reviewed; Journal article, 2020)Our modern society is characterized by increasing diversity and complexity, leading to overwhelming challenges like climate change or environmental degradation. These problems are posing impracticable ethical dilemmas and ... -
Getting into the water with the Ecosystem Services Approach: The DESSIN ESS evaluation framework
Anzaldua, Gerardo; Gerner, Nadine; Manuel, Lago; Abhold, Katrina; Hinzmann, Mandy; Beyer, Sarah; Winking, Caroline; Riegels, Niels D.; Krogsgaard Jensen, Jørgen; Termes, Montserrat; Amoros, Jaume; Wencki, Kristina; Strehl, Clemens; Ugarelli, Rita Maria; Hasenheit, Marius; Nafo, Issa; Hernandez, Marta; Vilanova, Ester; Damman, Sigrid; Brouwer, Stijn; Josselin, Rouillard; Schwesig, David; Birk, Sebastian (Journal article; Peer reviewed, 2018)Driven by Europe’s pressing need to overcome its water quality and water scarcity challenges, the speed of innovation in the water sector is outpacing that of science. The methodologies available to assess the impact of ... -
Hydraulic reliability analysis of a real network with remotely realtime controlled pressure control valves
Laucelli, Daniele; Berardi, Luigi; Simone, Antonietta; Raspati, Gema Sakti; Ugarelli, Rita Maria; Giustolisi, Orazio (Chapter; Conference object, 2017)The paper considers a real water distribution network, where current pressure control strategies exploit classical pressure control valves (PCVs). A previous study identified alternative pressure ... -
Hydraulic system modelling: background leakage model calibration in Oppegård municipality
Berardi, Luigi; Laucelli, Daniele; Ugarelli, Rita Maria; Giustolisi, Orazio (Journal article; Peer reviewed, 2015) -
Infrastructure Asset Management: Historic and Future Perspective for Tools, Risk Assessment, and Digitalization for Competence Building
Ugarelli, Rita Maria; Sægrov, Sveinung (Peer reviewed; Journal article, 2022)This article aims at analyzing the historic development of infrastructure asset management (IAM) resulting from the increase of challenges over time. Furthermore, it aims at suggesting the corresponding requirements for ... -
Leakage management: planning remote real time controlled pressure reduction in Oppegård municipality
Berardi, Luigi; Laucelli, Daniele; Ugarelli, Rita Maria; Giustolisi, Orazio (Conference object; Journal article; Peer reviewed, 2015) -
Leakage management: WDNetXL Pressure Control Module
Giustolisi, Orazio; Campisano, Alberto; Ugarelli, Rita Maria; Laucelli, Daniele; Berardi, Luigi (Journal article; Peer reviewed, 2015) -
Mechanical reliability analysis of a real network to support the design of Isolation Valve System
Berardi, Luigi; Laucelli, Daniele; Simone, Antonietta; Raspati, Gema Sakti; Ugarelli, Rita Maria; Giustolisi, Orazio (Chapter; Conference object, 2017)The Isolation Valve System (IVS) allows to detach some portions of water distribution networks (WDN) to perform planned (e.g. maintenance) or unplanned (e.g. failures) works. Isolating WDN segments ... -
Principal component analysis for decision support in integrated water management
Helness, Herman; Damman, Sigrid; Sivertsen, Edvard; Ugarelli, Rita Maria (Journal article; Peer reviewed, 2019)A general methodology for holistic sustainability assessment of measures in integrated water management based on principal component analysis (PCA) was developed. Application on data from three cases demonstrated that PCA ... -
Rehabilitation Planning of Water Distribution Network through a Reliability – Based Risk Assessment
D'Ercole, Marianna; Righetti, Maurizio; Raspati, Gema Sakti; Bertola, Paolo; Ugarelli, Rita Maria (Journal article; Peer reviewed, 2018)The efficient and effective management of existing water distribution systems (WDSs) faces challenges related to aging of infrastructure, population growth, extended urbanization, climate change impacts and environmental ... -
Reliability analysis of complex water distribution systems: the role of the network connectivity and tanks
Berardi, Luigi; Laucelli, Daniele; Ciliberti, Francesco; Bruaset, Stian; Raspati, Gema Sakti; Selseth, Ingrid; Ugarelli, Rita Maria; Giustolisi, Orazio (Peer reviewed; Journal article, 2021)A reliable water distribution network (WDN) can provide an adequate supply service to customers under both normal and abnormal working conditions. The WDN reliability analysis, therefore, is a keystone to improve the supply ... -
Security Checklists: A Compliance Alibi, or a Useful Tool for Water Network Operators?
Jaatun, Martin Gilje; Røstum, Jon; Petersen, Stig; Ugarelli, Rita Maria (Journal article; Peer reviewed, 2014)Checklist Compliance is a term that has been used derisively in the information security community, implying that checklists are something used for paying lip service to security without instigating real changes to technology ... -
SMS from OSLO VAV - Secure and Monitored Service from Oslo VAV: First periodic progress report Project objectives, work progress and achievements, project management
Ugarelli, Rita Maria; Selseth, Ingrid; Myhre, Bård; Berge, Svein Peder; Jaatun, Martin Gilje (Research report, 2012) -
Understanding the governance of urban water services from an institutional logics perspective
Franco Torres, Manuel; Kvålshaugen, Ragnhild; Ugarelli, Rita Maria (Peer reviewed; Journal article, 2021)In recent decades, the urban water sector has experienced accelerating social complexity that derives from conflicting goals and beliefs, making the sustainability of the sector primarily a governance issue. However, ...