The Oklahoma County Jail had a problem with the main building drain lines, located several stories below grade of the building. Even more challenging, the areas of collapsed drain lines were under huge mechanical equipment that would have cost several hundred thousands of dollars to move. Several access holes had been dug, to find the pipes were over 6 feet below the slab in the lower basement. The pipes were in too poor condition to repair. They called Hi-Tech Plumbing & Leak Detect, Inc. utilizing the NUFLOW trenchless technology, cured-in-place (CIPP) repair method. Hi-Tech Plumbing & Leak Detect, Inc. cleaned the pipes and pulled a new 80 foot liner inside the pipe, while not compromising the day-to day usage of the building. This was successfully completed at a fraction of the cost they had expected!