For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
FIXTURE. Any receptacle for the reception of house sewage.
HOUSE DRAIN. The horizontal pipes laid from the sewer to or near the building, and there connected with the pipes constituting the interior drainage system.
SEWER. The pipes, conduits, mains or lateral pipes laid in the streets or, in certain places for topographic reasons, laid through private lands.
SOIL PIPE. Any pipe conveying the discharge of a water closet, with or without the addition of smaller fixtures.
STACK. A vertical line or pipe.
TRAP. A specially curved pipe or receptacle, so placed in a line of soil or waste pipe that enough passing water will be held to completely fill the channel and thus seal it to prevent the passage of air or gas through the trap.
VENT PIPE. Any pipe provided to ventilate pipes, traps or fixtures and to prevent back pressure and siphonage of traps.
WASTE PIPE. Any pipe conveying the discharge of any fixture, other than a water closet, to the house drain or soil pipe.
WATER DISTRIBUTION PIPE. The pipe which conveys water from the service pipe to the plumbing fixture.
WATER SERVICE PIPE. The pipe from the water main to the building which it serves.
(1977 Code, § 23-1)