Team Rooter technician went out Main Line back up. Tech had to replace all cast iron pipes underneath the house and under the building in the back of the house. Tech had to expose the main sewer under the building and install abs plastic and trenched in between the building and man house and ran to the sewer main. Tech also connected under main house and replaced it with clay system all the way to the property line. We installed a clean out access in the middle and the front of the house. Work comes with 25 year warranty.