Duct is a single enclosed path to house facilities to provide Telecommunications Services.
Plumbing means plumbing as defined in Section 1(1) of the Act.
Bathroom means any room containing a built-in flush-type toilet.
Sewer System means pipelines or conduits, pumping stations, force mains, vehicles, vessels, conveyances, injection wells, and all other constructions, devices, and appliances appurtenant thereto used for conducting sewage or industrial waste or other wastes to a point of ultimate disposal or disposal to any water of the state. To the extent that they are not subject to section 402 of the federal Water Pollution Control Act, ditches, pipes, and drains that serve only to collect, channel, direct, and convey nonpoint runoff from precipitation are not considered as sewer systems for the purposes of this part of this division.
Plumbing system means water supply distribution and disposal piping on the premises, including appliances and equipment attached thereto, between their connection points to a public or private system.