Sovereign Immunity. The legal protection that prevents a sovereign state or person from being sued without consent. Sovereign immunity is a judicial doctrine that prevents the government or its political subdivisions, departments, and agencies from being sued without its consent.
Detecting and locating leaks in Underground Water Mains Using. Thermography. Mohamed Fahmy, P. Eng., M. ASCE1 and Osama Moselhi, P. Eng, F. ASCE2. 1PhD candidate, Dept. of Building, Civil, and Environmental Engineering, Concordia Univ., 1455 Blvd.
A water leak typically accompanies a crack in the drain line, but vent pipe cracks are more difficult to diagnose, and they can vent a large quantity of sewer gases into the home. Plumbers can locate these cracks by using a special machine that generates artificial smoke and pumps it into the plumbing drain system.