Management Guide To Retrofitting Wastewater Treatment Plants

FROM THE PREFACE Since Federal funding is scarce for massive upgrades, and/or complete new Wastewater Treatment Plants (WWTP) construction, treatment plant operators, superintendents, managers, city councils, boards, etc. must get more creative on funding and coordinating process equipment replacements. Contained herein you will find hints, tactics and procedures aimed at getting the "biggest bang for your public buck." During the 1970s and 1980s, through grants, the Federal Government paid 80% of costs to build new or expanded wastewater treatment plants, pumping stations and collection system renovations. The majority of the grants were to upgrade primary treatment facilities to secondary, and secondary to tertiary treatment status based on Clean Water Act regulations. If your facility was fortunate enough to receive grants, you were in good shape for approximately 20 to 30 years (depending on community growth rates). Since most wastewater treatment facilities are designed to last 20 years, many of the new or expanded facilities in the 70's and 80's are reaching the end of their service life. Some may have reached it sooner due to growth beyond the expected rate, inadequate preventive maintenance, or design inadequacies when built. Now you have identified problems with insufficient aeration capacity, equipment mechanical failure, insufficient pump station capacity, infrastructure deterioration, etc. and need to do something about it before you violate your NPDES permit (if you have not already). This equipment seems very costly to replace because you now must pay 100% opposed to 20% with the grants. Many WWTP are in need of replacement and/or upgraded equipment. The equipment itself is typically about 25% to 50% of the total project cost. This cannot be changed much. However, the remaining 50% to 75% (engineering, installation labor costs and project management) may be whittled down dependent on how active and creative the project coordinator (yourself) wants to be in the process. When EPA funded 80% of project costs in prior years, it was no big deal to have an "open pocketbook" attitude. Those days have changed forever and so have procurement procedures for projects. A Management Guide to Retrofitting Wastewater Treatment Plants is geared towards the managerial and administrative scope of a Lead Operator, Superintendent, Facility Manager type of Wastewater individual. All the junior college courses available, practical operator experience, and certification status will still not offer the opportunity to learn administrative and cost savings techniques (similar to operating a business). But soon, your job may demand these skills. This book is a handy reference for making the task of upgrading/retrofitting wastewater process equipment easier and less costly. It includes ideas for selling upgrade ideas to superiors, pre- and post-project activities, and certain management techniques useful for successful retrofitting or upgrading in past projects. This book should prove helpful to those who find themselves involved in retrofitting their facility, and need assistance on resolving facility problems, including treatment plant operators, superintendents, managers, city council members, and boards. It is also a valuable reference guide for municipal operations individuals who want to retain control of their facilities, but don't quite know how. It was written with the front line operator, superintendent, and manager in mind, in common operator language in order to allow easier understanding. It contains many tips and techniques which operators can implement immediately.

Upgrading and Retrofitting Water and Wastewater Treatment Plants” is a new MOP from WEF. Upgrading and retrofitting represents the single largest investment that a public or private utility will make. The tricky aspect of upgrading and retrofitting a treatment plant is that during the upgrade process the rest of the plant must operate with no process upsets and meet permitting guidelines. Written by a set of industry experts who have significant years of experience in this area. It is a practical MOP geared to avoid pitfalls, cost overruns, and permit violations.

Presents information from Handbook--retrofitting POTWs, a US EPA document, July 1989. Provides procedures for conducting performance evaluations, implementing improvement activities, and selecting facility modifications for secondary treatment plants that have identified design limitations. Only general design criteria and guidelines are discussed relative to implementing facility modifications. Annotation copyrighted by Book News, Inc., Portland, OR

This book presents information that can be used for the design and operation of wastewater treatment plants that utilize biological nutrient removal processes, i.e., processes that utilize biological mechanisms instead of chemical mechanisms, to remove phosphorus and nitrogen from wastewaters. The book provides: basic fundamentals, concepts, and theories; design of prefermentation units, various types of BNR systems, and secondary clarifiers; retrofitting conventional activated sludge plants; modeling considerations; and special considerations for BNR systems. It includes full-scale and pilot plant case histories, design examples, and retrofit of existing plants.

This study guide is a companion to the sixth edition of Operation of Municipal Wastewater Treatment Plants (Manual of Practice No. 11). These two publications serve as the principal training documents for plant managers, superintendents, and operators of municipal wastewater treatment plants as well as college students and consulting engineers. The manual and study guide can be used for training classes, studying for certification exams, and improving the quality of operations within the treatment plant or firm. As with the updated manual, this study guide reflects the state of the art in plant management and operation. The questions emphasize principles of treatment, plant management, troubleshooting, and preventive maintenance. Operating a wastewater treatment facility is challenging and requires continuing education to keep up with those challenges. As such, this study guide contains challenging questions and detailed solutions. A list of symbols and acronyms, conversion factors, and a glossary are also Included in this study guide. These questions can be used to help develop advanced knowledge and ensure that wastewater treatment facilities are fulfilling their mission of environmental protection.

"This manual contains overview information on treatment technologies, installation practices, and past performance."--Introduction.