This book, developed from practical experience and intended for practical use, aims to serve as a guide for engineers in solving tasks related to the planning and execution of piping networks in thermal power plants. The sections provide easily understandable knowledge for the correct sizing and reliable construction of pipelines for all pressures and temperatures encountered in the transport of water and steam. By referencing relevant literature, it offers the opportunity for a comprehensive study of individual issues across all subfields, allowing readers to learn about the foundations and experiences shared by renowned scientists, power plant planners, and operators. The book includes all equations necessary for the computational verification of the stability and economic sizing of the piping network PDS.