Large Diameter Pipes – Repair or Replace? Non-destructive Testing with the MAC System
Non-destructive testing in sewers using the MAC system provides dependable data for structural assessment and, where necessary, selection of a rehabilitation method. by Martin Liebscher, Mark Klameth, Stefan Bretz and Henning Winter There is a need for rehabilitation of large interceptor sewers for three reasons: hydraulic capacity, leak tightness and stability.