Drainage system :: All the piping within public/private premises which conveys sewage, rainwater, or other liquid wastes to a point of disposal

Sanitary Drainage and Vent Piping :: installed by the plumber to remove wastewater and waterborne wastes from plumbing fixtures and appliances, and to provide air circulation within the drainage piping

Stack :: general term used for any vertical line of soil, waste, or vent piping

Soil pipe :: conveys discharge containing fecal matter to bldg. drain/ bldg. sewer

Soil stack :: conveys discharge of water closets to bldg. drain/ bldg. sewer

Waste pipe :: smaller than soil pipe/ conveys only liquid waste free of fecal matter

Branch :: Any part of the piping system other than the main, riser, or stack

Building drain :: also called house drain; part of the lowest horizontal piping of a plumbing system which receives the discharge from soil, waste, and other drainage pipes inside a building and conveys it to the building sewer/house sewer

Sewage :: Any liquid waste containing animal or vegetable matter in suspension or solution

Drainage fittings :: special type of fitting/fittings used in the drainage system

Deadend :: terminating at a developed length of 2 feet or more by means of a plug, cap, or other closed fitting

Drain :: Any pipe that carries wastewater or waterborne wastes in a building drainage system

15 meters :: for every ___ in total developed length of piping, a cleanout is provided

1.5 meters :: Cleanouts may be omitted on a horizontal drain less than ___ in length unless such line is serving sinks or urinals

Trap :: provides a liquid seal to prevent the emission of sewer gasses without materially affecting the flow of sewage or wastewater through it

Trap seal :: vertical distance between the top dip and the crown weir of a trap; water in the rap between the top dip and the crown weir

Dip :: lowest portion of the inside top surface of the channel through the trap

Crown weir :: highest point of the bottom surface of the crown

Common seal :: (type of trap seal) 2 inches between the overflow and the top dip

Deep seal :: (type of trap seal) 4 inches deep