scholarly journals Water-Shed: Architectural Opportunity in Infrastructure

2021 ◽  
Author(s):  
◽  
Benjamin L Stevens
Keyword(s):  
Water Supply ◽  
Cost Efficiency ◽  
Water Distribution ◽  
Water Distribution Network ◽  
Urban Place ◽  
Industrial Landscape ◽  
Central Value ◽  
The Relationship ◽  
Efficiency And Reliability ◽  
Current Systems

<p>The current systems of infrastructure that comprise water supply are incapable of recognising value in water's urban place in anything other than in empirical terms. The 'Water-Shed' scheme transforms this utility into a rarely considered design opportunity that reinvigorates the relationship between the borough of Petone and its water supply at Waiwhetu aquifer. With a framework compiled from history, art, landscape and architecture practice, it entails the re-appropriation of the systems and technologies of contemporary water extraction. The outcome is an architecture that recovers meaning within this amenity and re-confirms waters central value to life. Light in conjunction with material manipulation are used directly and incidentally to reveal water's character. The scheme also conceives of nature in constructed terms, opening the possibility for infrastructures like Water-Shed to negotiate non-oppositional relationships between city and environment. The result is the maturation of industrial landscape the reinforcement of the hydrological and civic identities of Petone. No longer is water amenity simply reduced to productive issues of cost, efficiency and reliability. Debate regarding the access and availability of drinking water will be one of the defining issues of the 21st century. Water-Shed contributes to this discussion by asking how we can re-think the buildings and sites that form parts of the city's water distribution network.</p>

scholarly journals Water-Shed: Architectural Opportunity in Infrastructure

2021 ◽  
Author(s):  
◽  
Benjamin L Stevens
Keyword(s):  
Water Supply ◽  
Cost Efficiency ◽  
Water Distribution ◽  
Water Distribution Network ◽  
Urban Place ◽  
Industrial Landscape ◽  
Central Value ◽  
The Relationship ◽  
Efficiency And Reliability ◽  
Current Systems

<p>The current systems of infrastructure that comprise water supply are incapable of recognising value in water's urban place in anything other than in empirical terms. The 'Water-Shed' scheme transforms this utility into a rarely considered design opportunity that reinvigorates the relationship between the borough of Petone and its water supply at Waiwhetu aquifer. With a framework compiled from history, art, landscape and architecture practice, it entails the re-appropriation of the systems and technologies of contemporary water extraction. The outcome is an architecture that recovers meaning within this amenity and re-confirms waters central value to life. Light in conjunction with material manipulation are used directly and incidentally to reveal water's character. The scheme also conceives of nature in constructed terms, opening the possibility for infrastructures like Water-Shed to negotiate non-oppositional relationships between city and environment. The result is the maturation of industrial landscape the reinforcement of the hydrological and civic identities of Petone. No longer is water amenity simply reduced to productive issues of cost, efficiency and reliability. Debate regarding the access and availability of drinking water will be one of the defining issues of the 21st century. Water-Shed contributes to this discussion by asking how we can re-think the buildings and sites that form parts of the city's water distribution network.</p>

A study on appropriate investment of pipeline rehabilitation for water distribution network

2005 ◽  
Vol 5 (2) ◽  
pp. 31-38
Author(s):  
A. Asakura ◽  
A. Koizumi ◽  
O. Odanagi ◽  
H. Watanabe ◽  
T. Inakazu
Keyword(s):  
Monte Carlo Simulation ◽  
Monte Carlo ◽  
Water Supply ◽  
Water Distribution ◽  
Ad Hoc ◽  
Distribution Network ◽  
Water Distribution Network ◽  
Distribution Networks ◽  
Optimal Basis ◽  
Model Case

In Japan most of the water distribution networks were constructed during the 1960s to 1970s. Since these pipelines were used for a long period, pipeline rehabilitation is necessary to maintain water supply. Although investment for pipeline rehabilitation has to be planned in terms of cost-effectiveness, no standard method has been established because pipelines were replaced on emergency and ad hoc basis in the past. In this paper, a method to determine the maintenance of the water supply on an optimal basis with a fixed budget for a water distribution network is proposed. Firstly, a method to quantify the benefits of pipeline rehabilitation is examined. Secondly, two models using Integer Programming and Monte Carlo simulation to maximize the benefits of pipeline rehabilitation with limited budget were considered, and they are applied to a model case and a case study. Based on these studies, it is concluded that the Monte Carlo simulation model to calculate the appropriate investment for the pipeline rehabilitation planning is both convenient and practical.

scholarly journals Rehabilitation Planning of Water Distribution neTwork through a Reliability – Based Risk Assessment

2017 ◽  
Author(s):  
Marianna D'Ercole ◽  
Maurizio Righetti ◽  
Gema Raspati ◽  
Paolo Bertola ◽  
Rita Maria Ugarelli
Keyword(s):  
Water Supply ◽  
Distribution System ◽  
Water Distribution ◽  
Climate Change Impacts ◽  
Water Distribution Network ◽  
Supply System ◽  
Water Supply System ◽  
Analysis Model ◽  
Output Analysis ◽  
Support Tool

The management of existing water distribution system (WDS) is challenged by ageing of infrastructure, population growth, increasing of urbanization, climate change impacts and environmental pollution. Therefore, there is a need for integrated solutions that support decision makers to plan today, while taking into account the effect of these factors in the mid and long term. The paper is part of a more comprehensive project, where advanced hydraulic analysis for WDS is coupled with a dynamic resources input-output analysis model. The proposed modeling solution can be used to optimize the performance of a water supply system while considering also the energy consumption and consequently the environmental impacts. Therefore, as a support tool in the management of a water supply system also in the intervention planning. Here a possible application is presented for rehabilitation/replacement planning while maximizing the network mechanical reliability and minimizing risk of unsupplied demand and pressure deficit, under given economic constraints.

OPTIMIZING THE PIPELINE DIAMETER OF A CIRCULAR SPRINKLER ACCORDING TO THE MINIMUM ENERGY CONSUMPTION CRITERION

2021 ◽  
pp. 66-71
Author(s):  
NIKOLAY V. TSUGLENOK ◽  
Keyword(s):  
Energy Consumption ◽  
Water Supply ◽  
Electric Drive ◽  
Electric Motor ◽  
Water Distribution ◽  
Minimum Energy ◽  
Operating Conditions ◽  
Total Energy Consumption ◽  
Minimum Energy Consumption ◽  
The Relationship

The authors have determined the conditions for the eff ective use of modern electrifi ed circular sprinklers in the central part of Russia. Their designs are chosen depending on the agrotechnical requirements for irrigation, including the change in the diameter of the water distribution pipeline. However, when the diameter of the pipeline changes, the load on the electric drive of the support trolleys of the sprinkler changes too, which leads to a corresponding change in energy consumption. In turn, this also changes the load of the water supply pump. The paper sets the task of determining the optimal change in the diameter of pipelines according to the criterion of minimum energy consumption, taking into account a number of assumptions. The authors have analyzed the relationship between the change in the load on the electric drive of the sprinkler support trolley and the change in the diameter of one sprinkler section pipeline. It has been found that a decrease in the diameter by 27% (for example, the transition of the diameter of 219 mm to the diameter of 159 mm) leads to a decrease in the load on the electric drive by 38%. However, this also leads to an increase in the head loss in the water supply pump motor and, respectively, to an increase in the load and energy consumption by 0.8…3.8%. The eff ect is initially obvious, but the power of the electric motor of the water supply pump is 10…25 times higher than that of the electric motor of the sprinkler support trolley. Based on the similarity coeffi cients of the irrigation components (water supply and water distribution), the relationship beteween the total energy consumption and the change in the diameter of the water distribution pipeline has been obtained. By diff erentiating the obtained function, the dependence of the value of the optimal diameter for specifi c operating conditions is also obtained. Graphs of the relationship between energy consumption and the change in diameter have been determined, taking into account some restrictions: pump supply, static pressure, and the number of the sprinkler sections.

scholarly journals Promoting equitable water distribution system from Melamchi Water Supply Project in Kathmandu Valley

2020 ◽  
Vol 20 (8) ◽  
pp. 2964-2970
Author(s):  
D. P. Ayadi ◽  
A. Rai ◽  
A. Pandey
Keyword(s):  
Water Supply ◽  
Distribution System ◽  
Water Distribution ◽  
Water Distribution System ◽  
Water Distribution Network ◽  
Supply System ◽  
Kathmandu Valley ◽  
Drinking Water Resources ◽  
Key Issues

Abstract The effective and efficient supply of drinking water resources are key to its long-term use and access. In recent decades, the population of Kathmandu Valley has exploded owing to several factors. The water supply system here has also undergone remarkable changes and efforts have been made to enhance its equitable distribution. The major effort, of course, is the Melamchi Water Supply Project (MWSP). As the project approaches completion of its first phase, we would like to point out several key issues for the water distribution system here and express our opinions on promoting equitable water distribution. For this we conducted a thorough literature review and found that improvement in the water distribution network and water tariff in the valley, along with promotion of alternative mitigation options, are the focal issues for promoting an equitable water distribution system in Kathmandu Valley.

Taking Fangcun District of Guangzhou as an Example to Discuss the New Joint Repair Technology of Water Distribution Network

2012 ◽  
Vol 226-228 ◽  
pp. 2328-2334
Author(s):  
Dan Gao ◽  
Zhi Hong Wang ◽  
Gang Ren ◽  
Zhi Hong Long ◽  
Yu Li Chen
Keyword(s):  
Water Supply ◽  
Water Distribution ◽  
Water Distribution Network ◽  
Supply Network ◽  
Trenchless Technology ◽  
Water Supply Network ◽  
Repair Technology ◽  
Joint Repair ◽  
Working Principle ◽  
Technology Strategies

This paper has discussed the working principle and characteristics of the new commonly used pipeline repair technology by introducing the currently commonly used pipeline repair technology. The new commonly used pipeline repair technology can be classified as two big kinds including one based on excavation and trenchless technology. When selecting the pipeline repair technology, we mainly considerate four factors: whether excavat pipeline , whether cut off the water and the time of cutting off water , the time of pipeline repair , the materials of pipeline repair, and so on . The actual situation and network features of water supply network in Fangcun district of Guangzhou are analysed , the joint repair technology strategies of water supply network which applies to Fangcun district are discussed by synthesizing the applicability, merit and demerit of new pipeline repair technology, and use these as technical reference and guidance for other similar areas .

scholarly journals Water-Demand Growth Modelling in Puerto Ayora’s Water Distribution Network Using EPANET

2019 ◽  
pp. 71-81
Author(s):  
María Reyes ◽  
Nemanja Trifunović ◽  
Saroj Sharma ◽  
Maria Kennedy
Keyword(s):  
Water Supply ◽  
Water Demand ◽  
Water Distribution ◽  
Water Distribution Network ◽  
Planning Horizon ◽  
Growth Modelling ◽  
Hydraulic Characteristics ◽  
Demand Growth ◽  
Moderate Growth ◽  
The Town

This paper elaborates the hydraulic characteristics of the water supply network of the town of Puerto Ayora. First, it intends to replicate the household individual storage by simulating nodal tanks with the use of the EPANET software. Later, it uses the Pressure-Driven Approach (PDA) to develop a methodology that estimates the overflow of storage facilities, one of the main sources of wastage in Puerto Ayora. Finally, it uses the Demand-Driven Approach (DDA), with the aim of assessing the network in the future, under four population growth scenarios. With the chosen moderate growth scenario, two options are suggested in order to tackle the water supply issues at the end of the planning horizon.

scholarly journals Rehabilitation Planning of Water Distribution Network through a Reliability – Based Risk Assessment

2018 ◽  
Author(s):  
Marianna D'Ercole ◽  
Maurizio Righetti ◽  
Gema Raspati ◽  
Paolo Bertola ◽  
Rita Maria Ugarelli
Keyword(s):  
Water Supply ◽  
Distribution System ◽  
Water Distribution ◽  
Climate Change Impacts ◽  
Water Distribution Network ◽  
Supply System ◽  
Water Supply System ◽  
Analysis Model ◽  
Output Analysis ◽  
Support Tool

The management of existing water distribution system (WDS) is challenged by ageing of infrastructure, population growth, increasing of urbanization, climate change impacts and environmental pollution. Therefore, there is a need for integrated solutions that support decision makers to plan today, while taking into account the effect of these factors in the mid and long term. The paper is part of a more comprehensive project, where advanced hydraulic analysis for WDS is coupled with a dynamic resources input-output analysis model. The proposed modeling solution can be used to optimize the performance of a water supply system while considering also the energy consumption and consequently the environmental impacts. Therefore, as a support tool in the management of a water supply system also in the intervention planning. Here a possible application is presented for rehabilitation/replacement planning while maximizing the network mechanical reliability and minimizing risk of unsupplied demand and pressure deficit, under given economic constraints.

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