All the piping within public or private premises that conveys sewage or other liquid wastes to a point of disposal. It does not include the mains of a public sewer system or a public sewage treatment or disposal plant.
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All the piping within public or private premises that conveys sewage or other liquid wastes to a point of disposal. It does not include the mains of a public sewer system or a public sewage treatment or disposal plant.
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