Water Works Engineering Planning Design And Operation Pdf
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- Water Works Engineering
Water Works Engineering: Planning, Design And Operation
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Is this content inappropriate? Report this Document. Flag for inappropriate content. Related titles. Carousel Previous Carousel Next. Jump to Page. Search inside document. Qasim, Edward M. All rights reserved. Screen shots reprinted by permission trom Microsoft Corporation. Contents Preface Acknowledgments Chapter 1 Introduction 1d 1. Flow Measurement 74 Pumping 7. Theory of Sedimentation 9. These legislative changes reflect a perception by Con- gress that there is a great amount of public anxiety over the quality of our drinking water, as well as frustration with the manner in which the U.
Practicing engineers and utility managers who are involved with the planning, design, and operation of water treatment plants must begin to evalu- ate current options and anticipate what lies ahead. At the present time, many programs in civil and environmental engineering at numerous universities are offering courses in the area of water treatment plant design. Several excellent books have been written in recent years that present theory and princi- ples of water treatment processes.
The authors have observed during their years of experience in the water treatment field that no publication has been devoted entirely to water works engineer- ing planning, design, and operation. The intent of the authors in developing this book is twofold: first, to consolidate the developments in design of water works engineering that have evolved as a result of technological advancement in the field and of the concepts and policies promulgated by the environmental laws and the subsequent guidelines; second, to develop step-by-step pro- cedures for planning, design, and operation of a medium-size conventional water treatment plant.
Chapters through 4 are devoted to the basic facts of water engineering. Current and future trends in water treatment technology, water quality constituents, design factors, drinking water regulations, unit opera- tions and processes, process combinations, and process trains are discussed in detail.
The general purpose of a prede- sign engineering report and an example of a model predesign report for a medium-size water supply project are presented.
In this predesign report, procedures are presented for 1 estimation of population, water demand, plant capacity, and raw water quality; 2 evaluation and selection of a treatment process train; 3 coordination with distribution system; and 4 estimation of costs for propased capital improvement project, The remainder of the book is devoted to the design of the medium-size water treatment facility for which the predesign report is developed in Chapter 5.
Step-by-step design calcula- tions: equipment details; engineering drawings, plans, and specifications; and operation and maintenance of head works, raw water transport, treatment, and distribution systems: all are pre- sented. These systems include raw water intake, screening, pump station, transport pipeline, flow measurement, rapid mix, flocculation, clarification, filtration, color, taste and odor control, disinfection, distribution, and residuals handling and disposal.
Also, separate chapters have been devoted to plant layout, yard piping and hydraulics, instrumentation and automatic controls, design summary, and the avoidance of design errors, A separate chapter Chapter 18 is provided to cover nonconventional treatment processes. References made in this publication to specific methods, processes, and equipment do not constitute or imply an endorsement or recommendation.
Equivalent or improved equipment may be obtained from many other manufacturers not mentioned in this publication. This book will serve the needs of students, teachers, consulting engineers, equipment manufacturers, and technical personnel in city, state, and federal organizations who must review designs and specifications, In order to maximize the usefulness of this book, the material has been presented in a simplified and concise format, Many tables have been developed using a variety of sources.
Those tables provide information used extensively in water treatment plant design. Basic properties of water, hydraulic design information, chemical properties and equip- ment selection, equipment manufacturers, cost equations, and unit conversions are arranged in four appendices.
It should be mentioned that a great deal of emphasis has been given to the predesign report and the design of conventional water treatment units. The authors are well aware of the fact that equal emphasis or in-depth design procedures for many other nonconventional water treatment processes such as denitrification, defluoridation, demineralization, and other specialized pro- cesses briefly presented in Chapters 3 and 18 are not given elsewhere in this book.
Covering design procedures for these processes would take another book of equal size. The authors strongly believe that the planning and design principles developed in this book can easily be extended to the design of many other treatment processes for a new plant or the upgrading of an existing facility.
This book is intended for a design course in water works engineering. Most of the pro- grams in civil and environmental engineering are Offering such courses at graduate and under- graduate levels.
The material is developed in such a way that the normal prerequisites fluid mechanics and an introductory course in water supply and wastewater treatment would be suf- ficient. Furthermore, the basic material contained in this book can be covered in a three-semester credit course. In this country, because the old plants will be upgraded in the future, the U.
Therefore, where possible, both systems of units are used side-by-side, and proper conversion factors are provided. Complete conversion tables are given separately in an appendix.
Acknowledgments A project of this size requires the cooperation and collaboration of a great many people. We are indebted to many persons who have helped us prepare this book and made constructive suggestions in process and equipment design. It represents a joint effort of the academic com- munity and consulting engineers. In particular, we acknowledge our gratitude to W.
Walter Chiang and Pete K. Patel for their stimulating discussions during the development of this book. Brashear, Michael F. Graves, C. Kevin Chin, Gregory W. Johnson, Kathryn I. Neill, Susan M. Newsom, Dawn R. Anderson, and Marisa T. Many professionals, colleagues, and students reviewed various portions of this book, con- ducted literature searches, checked calculations, and worked out solutions to the problems.
In particular, we thank Charles F. Many equipment manufacturers and their local representatives provided valuable informa- tion on equipment details and specifications. Fred Willms arranged for many photographs from equipment manufacturers.
Finally, we must acknowledge with deep appreciation the support, encouragement, and patience of our families. Although portions of this book have been reviewed by professionals and students, the real test will not come until it has been used in classes and by professionals as a design guide.
Qasim Edward M. Today, plant design has become very complex from discovery of unpronounceable and seemingly innumerable chemical sub- stances, the multiplying of regulations, and trying to satisfy more discriminating palates.
In addition to the basics, designers must now keep in mind all manner of legal mandates, as well as public concems and environmental considerations, to provide an initial prospective of water works engineering planning, design, and operation. A brief review of the historical background, current status, and new disections in the area of water works engineering and water treatment plant design is presented in this chapter. The earliest water treatment practices were primarily in batch operations in individual homes.
From the sixteenth century onward, centralized treatment facilities for large settlements were realized, By the eighteenth century, filtration of particles from water was established as an effective means of clarifying water. In the mid's, the Louisville Water Company introduced coagulation with rapid sand filtration. The brief history of advancements in water quality standards in the United States is summarized in Table About 29 percent of these are community water systems, which serve approximately 90 percent of the population.
Figure provides a distribution of systems using surface or groundwater sources. The total population served by these sys- tems is approximately 25 million people Small systems are the most frequent violators of federal regulations and accounted for almost 89 percent of the 43, violations posted in Microbiological violations accounted for the vast majority of cases, with failure to monitor and report.
Bringing small water systems into compliance will require applicable technologies, operator ability, financial resources, and institutional arrangements. Current Status and New Technologies Table Year , History and Advancements in Water Quality Standards in the United States Development First water-related regulation prohibiting the use of common drinking water cups on inter- state carriers Maximum level of bacterial contamination, 2 coliforms per mL, was recommend Promulgation of standards by the Department of the Treasury; a basis for federal, state, and local cooperation was established.
Federal commitment was made to review the drinking water regulations on a regular basis. Limit 1 coliform per mL. USPHS appointed an advisory committee for revision of the drinking water regula- tions. Significant new initiatives included bacteriological monitoring of water quality in the distribution system and maximum permissible concentration for heavy metals. Interim regulations were adopted, and SDWA amendments followed in , , and These amendments provided for reauthorization of the act and made a number of minor changes.
SDWA amendments significantly altered the regulatory time table. USEPA was directed to set standards for 83 contaminants according to specific deadlines. Although most deadlines have not been met, the number of regulated contaminants has steadily increased to well above Source: References Typical disinfectants are chlorine, chlo- rine dioxide, chloramines, and ozone.
Until recently, the USS. Its apparent effectiveness in removing biodegradable organic carbon that may sustain the regrowth of potentially harmful microorganisms in the distribution system, effective taste and odor control, and reduction in chlorine demand and DBP formation potential, has nonetheless made U. Now research data in U.
Read Water Works Engineering: Planning Design And Operation: 1st (First) Edition PDF Free
The fee estimator tool Excel will help water system owners and consultants estimate the total fee charged by DOH for various fixed fee for service activities, such as review of engineering and planning documents. The estimator covers all areas of our fee regulation, WAC , and includes user instructions, examples, and a list of hourly fee for service activities. The Guidebooks' purpose is to help water system governing bodies and managers understand their role in water system planning, and work with their consultants to prepare a useful water system plan. At more than pages, it covers key technical, managerial, and financial elements important to developing a good plan and overall water system management. These key elements range from source water protection to financial management, and include many tips to support all parties involved develop a quality plan. The design manual is a start-to-finish reference for engineers and others involved in water system design.
Water treatment plants: planning, design, and operations--in depth. In Water Works Engineering, a team of leading water quality professionals present the state-of-the-art in water treatment facility design-and offer thorough, end-to-end guidance for successful planning, design, and operations. Wastewater treatment plants planning, design, and operation. Operation, Second Edition Syed R. Planning, Design, and Operation Syed R.
This book offers the most in-depth, step-by-step coverage available of contemporary water treatment plant planning, design, and operations. Understand the key water quality constituents and their health significance; and the unit operations and water treatment processes in most widespread use. Walk step-by-step through water treatment plant planning and design, including predesign reports, problem definition, site selection, and more. Next, review key issues such as raw water intake, screening, aeration, conveyance, flow measurement, pumping, coagulation, flocculation, precipitation, sedimentation, filtration, disinfection, and fluoridation. The book includes detailed coverage of aesthetic issues such as color, taste, and odor control; techniques for residuals management; a guide to instrumentation and control; a review of nonconventional processes; and a troubleshooting guide for avoiding key design errors. MARKET: For all professionals concerned with water works engineering, including consulting engineers, professionals, equipment manufacturers, and technical personnel in city, state, and national organizations who must review designs and specifications. The Safe Drinking Water Act Amendments of are the most sweeping legislative changes in the history of the public water supply field and will have more of an impact than the original act passed over two decades ago.
Qasim WATER WORKS ENGINEERING.pdf
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