Conveys only wastewater or liquid waste free of fecal matter
Constructed to provide a liquid seal which prevents backflow of foul air or methane gas without affecting the flow of sewage or wastewater through it.
For ensuring the circulation of air in a plumbing system.
Extends from the house draing at a point 0.60 meters from the outside face of the foundation wall of a building to the junction with the street sewer or any point of discharge and conveying the drainage of one building site.
Vertical main system of soil, waste or vent pipings extending through one or more stories and extended through the roof.
Part of the lowest horizontal piping of a plumbing system which receives the discharges from the soil, waste and other drainage pipes inside of a building and conveys it to the house sewer outside of the building.
Any part of the piping system other than a main, riser or stack.
Pump for removing the accumulations of liquid from a sump
A pipe or artificial conduit as underground for carrying off sewage or other liquid waste to a treatment plant.
Pit or reservoir serving as a draing or receptacle for water and other liquids.
A chamber of a large septic tank employing siphonic action to automatically discharge a large volume of effluent when a predetermined quantity has accumulated.
Sewage treatment chamber
Minimum slope or pitch of horizontal drainage pipe
3.0% per foot
1.5% per foot
1% per foot
2% per foot
Lowest point on the interior of a drainpipe or sewer where the liquid is deepest.
Oversized pipe functioning both as a soil or waste pipe and a vent
Used for lavatories, kitchen sinks, laundry tubs & urinals