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.
Running a video camera through the household sewer pipes (typically from the house to its connection to the public sewer system) can be used to evaluate the type and condition of underground pipes, and to identify problems like leaking or broken joints, intruding roots, blockages, corrosion or collapsed pipes.