Sewer main replacement Replace the existing sewer line from the house to the city sidewalk insured, proper slope for optimal drainage installed the pipe and gave proper bedding.backfilled the the soil then compacted, and leveled off surface , then entire line was thoroughly tested to confirm all glue joints and mechanical joints were leak free. Any mechanical joints used were packed with concrete underneath to prevent any future settling as well as two clean outs were also installed one in front of the house, one near the city sidewalk to facilitate any future maintenance.