This book summarizes the technical method and construction process of underground pipeline testing, cleaning, updating and repairing. It has 20 chapters and an appendix in total. Its content includes: Pipeline rehabilitation construction organization design, Pipeline cleaning, Preparations before construction, Pipeline detection and quality assessment, Pipeline rehabilitation design/method/equipment selection/steps/technical indicators, Pipe Cracking & Bursting method, Sliplining method, Pipe Segments Method, Lining with Inserted hose(improved) method, Cured in place pipe(CIPP), Spray...