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Author: Arun K. Deb
Publisher: American Water Works Association
Published: 2002
Total Pages: 228
ISBN-13: 1583212167
DOWNLOAD EBOOKDownload or read book Prioritizing Water Main Replacement and Rehabilitation written by Arun K. Deb and published by American Water Works Association. This book was released on 2002 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: Thomas D. Rockaway
Publisher: American Water Works Association
Published: 2007
Total Pages: 164
ISBN-13: 1583215441
DOWNLOAD EBOOKThis report provides best utility practices to minimize downtime during pipe lining operations. "Downtime" refers to not only the amount of time customers are without water service, but also the amount of time customers must rely on temporary service, endure restricted service, or are served by less secure networks. The report reviews pipe lining procedures in current use by water utilities and identifies those that improve efficiency and reduce costs.
Download or read book Guidelines to Minimize Downtime During Pipe Lining Operations written by Thomas D. Rockaway and published by American Water Works Association. This book was released on 2007 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides best utility practices to minimize downtime during pipe lining operations. "Downtime" refers to not only the amount of time customers are without water service, but also the amount of time customers must rely on temporary service, endure restricted service, or are served by less secure networks. The report reviews pipe lining procedures in current use by water utilities and identifies those that improve efficiency and reduce costs.
Author: Neil S. Grigg
Publisher: CRC Press
Published: 2012-06-08
Total Pages: 365
ISBN-13: 1439881847
DOWNLOAD EBOOKUrban water services are building blocks for healthy cities, and they require complex and expensive infrastructure systems. Most of the infrastructure is out of sight and tends to be taken for granted, but an infrastructure financing crisis looms in the United States because the systems are aging and falling behind on maintenance. A road map for pu
Download or read book Water, Wastewater, and Stormwater Infrastructure Management written by Neil S. Grigg and published by CRC Press. This book was released on 2012-06-08 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Urban water services are building blocks for healthy cities, and they require complex and expensive infrastructure systems. Most of the infrastructure is out of sight and tends to be taken for granted, but an infrastructure financing crisis looms in the United States because the systems are aging and falling behind on maintenance. A road map for pu
Author: Andrew E. Romer
Publisher: American Water Works Association
Published: 2004
Total Pages: 188
ISBN-13: 9781583213476
DOWNLOAD EBOOKWater utilities often do not know the specific cause of external corrosion observed on their water mains, and consequently, the chosen preventative measure may not work effectively. Historically, these choices are based on data from other industries (e.g., gas and oil) and may not be suitable for the water industry. Corrosion of metallic pipes can be caused by a variety of mechanisms, each of which requires a different solution. Determining which corrosion mechanism is at work is not a simple matter, because the resulting pipe damage looks similar for all of them. The failure to properly identify corrosion sources may produce prevention systems that are ineffective or do not last. For example, it is not effective to install an anode bag on a main that has a bacteriological corrosion problem. Similarly, an anode bag installed to reduce corrosion caused by a stray impressed current would be quickly used up and would provide only short-term protection. Much recent research on corrosion has focused on internal corrosion, primarily related to water-quality issues, such as lead and copper control and red water. This project will examine external corrosion, which affects the structural integrity of the pipe and makes it vulnerable to leaks and breakage. After identifying the causes of external corrosion, the study will find economical solutions for each type of corrosion and verify them through field trials.
Download or read book External Corrosion and Corrosion Control of Buried Water Mains written by Andrew E. Romer and published by American Water Works Association. This book was released on 2004 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water utilities often do not know the specific cause of external corrosion observed on their water mains, and consequently, the chosen preventative measure may not work effectively. Historically, these choices are based on data from other industries (e.g., gas and oil) and may not be suitable for the water industry. Corrosion of metallic pipes can be caused by a variety of mechanisms, each of which requires a different solution. Determining which corrosion mechanism is at work is not a simple matter, because the resulting pipe damage looks similar for all of them. The failure to properly identify corrosion sources may produce prevention systems that are ineffective or do not last. For example, it is not effective to install an anode bag on a main that has a bacteriological corrosion problem. Similarly, an anode bag installed to reduce corrosion caused by a stray impressed current would be quickly used up and would provide only short-term protection. Much recent research on corrosion has focused on internal corrosion, primarily related to water-quality issues, such as lead and copper control and red water. This project will examine external corrosion, which affects the structural integrity of the pipe and makes it vulnerable to leaks and breakage. After identifying the causes of external corrosion, the study will find economical solutions for each type of corrosion and verify them through field trials.
Author: Yi Zhou
Publisher: CRC Press
Published: 2018-05-03
Total Pages: 236
ISBN-13: 0429837771
DOWNLOAD EBOOKPipe failures in water distribution systems can have a serious impact and hence it’s important to maintain the condition and integrity of the distribution system. This book presents a whole-life cost optimisation model for the rehabilitation of water distribution systems. It combines a pipe breakage number prediction model with a pipe criticality assessment model, which enables the creation of a well-constructed and more tightly constrained optimisation model. The pipe breakage number prediction model combines information on the physical characteristics of the pipes with historical information on breakage and failure rates. A weighted multiple nonlinear regression analysis is applied to describe the condition of different pipe groups. The criticality assessment model combines a pipe’s condition with its hydraulic significance through a modified TOPSIS. This model enables the optimisation to focus its efforts on those important pipes. The whole life cost optimal rehabilitation model is a multiple-objective and multiple-stage model, which provides a suite of rehabilitation decisions that minimise the whole life cost while maximising its long-term performance. The optimisation model is solved using a modified NSGA-II. The utility of the developed models is that it allows decision makers to prioritize their rehabilitation strategy in a proactive and cost-effective manner.
Download or read book Deterioration and Optimal Rehabilitation Modelling for Urban Water Distribution Systems written by Yi Zhou and published by CRC Press. This book was released on 2018-05-03 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipe failures in water distribution systems can have a serious impact and hence it’s important to maintain the condition and integrity of the distribution system. This book presents a whole-life cost optimisation model for the rehabilitation of water distribution systems. It combines a pipe breakage number prediction model with a pipe criticality assessment model, which enables the creation of a well-constructed and more tightly constrained optimisation model. The pipe breakage number prediction model combines information on the physical characteristics of the pipes with historical information on breakage and failure rates. A weighted multiple nonlinear regression analysis is applied to describe the condition of different pipe groups. The criticality assessment model combines a pipe’s condition with its hydraulic significance through a modified TOPSIS. This model enables the optimisation to focus its efforts on those important pipes. The whole life cost optimal rehabilitation model is a multiple-objective and multiple-stage model, which provides a suite of rehabilitation decisions that minimise the whole life cost while maximising its long-term performance. The optimisation model is solved using a modified NSGA-II. The utility of the developed models is that it allows decision makers to prioritize their rehabilitation strategy in a proactive and cost-effective manner.
Author: Arun K. Deb
Publisher: American Water Works Association
Published: 2000
Total Pages: 214
ISBN-13: 1583210334
DOWNLOAD EBOOKDownload or read book Guidance for Management of Distribution System Operation and Maintenance written by Arun K. Deb and published by American Water Works Association. This book was released on 2000 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: Mojtaba Mahmoodian
Publisher: Gulf Professional Publishing
Published: 2018-06-13
Total Pages: 186
ISBN-13: 0128135794
DOWNLOAD EBOOKReliability and Maintainability of In-Service Pipelines helps engineers understand the best structural analysis methods and more accurately predict the life of their pipeline assets. Expanded to cover real case studies from oil and gas, sewer and water pipes, this reference also explains inline inspection and how the practice influences reliability analysis, along with various reliability models beyond the well-known Monte Carlo method. Encompassing both numerical and analytical methods in structural reliability analysis, this book gives engineers a stronger point of reference covering both pipeline maintenance and monitoring techniques in a single resource. Provides tactics on cost-effective pipeline integrity management decisions and strategy for a variety of different pipes Presents readers with rational tools for strengthening and rehabing existing pipelines Teaches how to optimize materials selection and design parameters for designing future pipelines with a longer service life
Download or read book Reliability and Maintainability of In-Service Pipelines written by Mojtaba Mahmoodian and published by Gulf Professional Publishing. This book was released on 2018-06-13 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reliability and Maintainability of In-Service Pipelines helps engineers understand the best structural analysis methods and more accurately predict the life of their pipeline assets. Expanded to cover real case studies from oil and gas, sewer and water pipes, this reference also explains inline inspection and how the practice influences reliability analysis, along with various reliability models beyond the well-known Monte Carlo method. Encompassing both numerical and analytical methods in structural reliability analysis, this book gives engineers a stronger point of reference covering both pipeline maintenance and monitoring techniques in a single resource. Provides tactics on cost-effective pipeline integrity management decisions and strategy for a variety of different pipes Presents readers with rational tools for strengthening and rehabing existing pipelines Teaches how to optimize materials selection and design parameters for designing future pipelines with a longer service life
Author: Arun K. Deb
Publisher: American Water Works Association
Published: 1995-01-01
Total Pages: 144
ISBN-13: 1613001665
DOWNLOAD EBOOKDownload or read book Distribution System Performance Evaluation written by Arun K. Deb and published by American Water Works Association. This book was released on 1995-01-01 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: American Water Works Association
Publisher: American Water Works Association
Published: 2001
Total Pages: 76
ISBN-13: 1583210261
DOWNLOAD EBOOKP. 16.
Download or read book Rehabilitation of Water Mains written by American Water Works Association and published by American Water Works Association. This book was released on 2001 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: P. 16.
Author: Č Maksimović
Publisher: Taylor & Francis
Published: 2003
Total Pages: 752
ISBN-13: 9789058096098
DOWNLOAD EBOOKDownload or read book Advances in Water Supply Management written by Č Maksimović and published by Taylor & Francis. This book was released on 2003 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
