Bøger af AWWA

"The purpose of this manual is to educate and inform interested backflow prevention and cross-connection control program managers and administrators about the most current practices; to explore advantages and disadvantages of various policies regarding backflow prevention programs; and to provide thoughtful and meaningful topics for consideration when developing, implementing, and managing programs"--

"This operational guide to ANSI/AWWA Standard J100-21 Risk and Resilience Management of Water and Wastewater Systems incorporates new threat guidance and updated versions of the nonmandatory appendices into a guidance document that aligns with the updated standard. This guide is aimed at giving background and purpose to the process of completing a J100 analysis, complete with a case study as an example. The threats covered include contamination, cyber, flood, hurricane, ice storms, earthquakes, tornadoes, and wildfires"--

Revised edition of: Flexible-membrane covers and linings for potable water reservoirs, 3rd ed. Denver, CO: American Water Works Association, [2000].

"Hydraulic models are widely used to help solve engineering and operational problems in water distribution systems. To ensure that a model accurately represents a real system, model results are compared with physical measurements over a range of conditions. This book will help the modeler identify and mitigate the differences between field data and model results. It includes an introduction to calibration; suggested procedures; data requirements and collection guidelines; real-time modeling and continuous calibration; water quality calibration; and energy management issues"--

"This book is intended for utilities and engineers who periodically design and construct water supply wells, as opposed to books designed for well drilling, voluminous well books that cover vast territory and details or highly theoretical books for course taught at the college level. This book is intended to help the reader understand what to expect from well drilling, including the equipment, terminology, and design concepts"--

"This M3 update is the result of Health, Safety, and Environmental (HSE) Committee efforts to provide general but broad guidance to water providers as they develop health and safety programs. The audience for this manual is primarily utility management and other employees with assigned and overall safety responsibilities (e.g., utility safety managers, supervisors)"--

"City leaders, Tucson Water employees, scientists, engineers, consultants, academics and many others worked together to not only solve the original problems but also to regain the trust of the public that had been destroyed by smelly, yellow, orange, brown and red water pouring out of home faucets. The lessons learned in Tucson about how to solve a water quality and treatment disaster can be applied to other situations where the faith and trust of the public have been lost"--

"Directed to engineers and operators of ED and EDR systems, this manual provides detailed background information on ED and EDR as they relate to water treatment processes. The manual explains process principles, equipment information, electrodialysis technology, and system design. Information on water chemistry is included to enhance understanding of water processing"--

Geared towards engineers, utility managers and operators at systems using or planning to use UV disinfection, Ultraviolet (UV) Disinfection for Water Treatment breaks down UV disinfection and the tools to put systems into practice. The technical book includes important updates from the first edition, originally published in 2008, that integrates real-world utility experiences and updated information. Updates cover low-wavelength guidelines, operational challenges, dose validation, regulations, and more, plus updated references and new full-color images. This technical book will guide you through the fundamentals of UV light and photochemistry all the way through design, operations, and maintenance. Plus, learn common issues for water utility managers to look out for and safety guidelines. Turn to this resource every step of the way for actionable guidance and practical knowledge on all things UV-related.

The purpose of this handbook is to provide drinking water and water reuse professionals with information that can be used to answer the question, "If my system has a contaminant approaching or above the maximum contaminant level, is ion exchange a feasible technology and if so, what would be the basic characteristics of the ion exchange system?" >

Contents include the importance of gas transfer operations in water treatment including a definition of aeration; the physical mechanism of gas transfer, including Henry's Law Constants and information regarding blower selection; the principles and applications for gas addition; and the principles and applications for gas removal.

"This manual presents the general practice for selection and installation of manual and automated knife gate valves for use in water and waste-water applications. This document is intended to provide information and guidance on typical knife gate valves and their intended application"--