Cold-Applied Composite Repair for Potable Water Pipelines: Why Hot Welding Fails Under Pressure
Problem: Recurrent Leakage in Pressurized Water Pipelines In April, VIVABLAST completed a repair project on DN600 and DN900 potable water pipelines for SWIC in Ho Chi Minh City. The pipelines had previously been repaired using hot welding. While this method temporarily sealed visible defects, leakage reoccurred shortly after the system returned to operation. This pattern…









