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5 Simple Tips For Sewer Pipe Work
Sewer lines require inspection before covering
The house sewer is the drainage piping between the building's foundation and the sewer main or septic tank. Where swampy soil provides poor support for the pipe, cast iron must be used.
According to the experts at Mr. Rooter Plumbing of Seattle, vitrified clay tiles are used where soil is firm enough to provide support. Cast iron is considered superior in all cases except where acids in the soil or in waste material are likely to attack the metal.
In some communities, the plumbing contractor will always inspect the entire house sewer from the foundation wall to the main sewer line. Before water lines or sewer lines are covered, they must pass inspection by the plumbing inspector.
After the sewer trench has been dug and the sewer main exposed, the expert Seattle plumber can install the sewer. Following procedure is typical:
Mr. Rooter Tip of the Week:
PLUMBER TRADE SECRETS: Care must be taken to provide proper slope of 1/4-inch per foot. Bell joints of vitrified clay pipe are sealed with special gaskets or with oakum and a special mixture of cement. A good seal is important so that tree roots do not enter and block the drain.