Design and Calculation of RDA. Textbook on course design" by Valery Grigoryevich Nesterenko, Alexander Mikhailovich Lubaturov and S. A. Dubenza is an indispensable resource for students, graduate students and specialists involved in design in the field of water supply and sanitation. This manual will be your reliable assistant in mastering the complex aspects of the design of drainage systems, as well as in deepening knowledge of the calculations necessary for the successful implementation of course projects. The book covers many key topics related to the design of drainage systems, including theoretical foundations, practical aspects and modern technologies. The authors share their knowledge and experience, which makes the material accessible and understandable even for beginners in this field. The reader will be able to get acquainted with the methods of calculation, design and optimization of systems, which is especially important in the conditions of modern requirements for ecology and sustainable development. Who can like this tutorial? First of all, it will be useful for students of technical universities studying in specialties related to engineering, ecology and construction . It will also be of interest to practicing engineers and designers seeking to update their knowledge and master new approaches in design. If you are at the stage of writing a term paper or a thesis project, this guide will become your faithful companion, which will help to avoid common mistakes and improve the quality of work. The topics raised in the book cover a wide range of issues, ranging from basic design to modern methods of calculation. The authors emphasize the importance of integrating theory and practice, which allows the reader not only to remember the material, but also to apply it in real projects. The book also addresses pressing issues of sustainability and ecology, making it particularly valuable in light of the contemporary challenges facing engineers. The style of the authors is distinguished by clarity and logical presentation, which makes the textbook easy to understand. They use a variety of illustrations, diagrams, and examples, allowing the reader to better understand complex concepts and methods. This makes the book not only a tutorial, but also a practical guide that can be used in everyday work. If you are looking for literature on the design and calculation of water drainage systems, then “Design and calculation of water drainage systems” is exactly what you need. It will be a great addition to your library and help you become more confident in your knowledge and skills. In a world where ecology and sustainable development are becoming increasingly relevant, understanding the basics of drainage systems design is not just a necessity, but an important step towards creating a safer and more comfortable future. Do not miss the opportunity to deepen your knowledge and skills in design with this unique tutorial. The book "Design and calculation of VRD" is your key to success in the engineering profession!