Who designs, installs, and maintains the DWV systems inside buildings and the building sewers buried outside on the property.
Plumbers
Water that carries solids are now called this
Wastewater
This fitting looks like a T
Tee
This is an access point to connected parts of the drainage system for the removal of blockages.
Cleanout
This is the drainage piping that runs from the building’s foundation to the sewer main or septic tank
The building sewer or house sewer
DWV Stands for...
Drain, Waste, Vent
This is the plumbing term for drinkable water
Potable
This fitting can be used to join pipe of different materials.
adapters
The natural change from liquid to vapor of water at a temperature below its boiling point.
Evaporation
When referring to DWV and especially sewer systems, the slope of a run of pipe. Also referred to as slope or percent
Grade
The term DWV can also be called this.
SWV (Soil, Waste, Vent)
This is the term for non drinkable water
Non-Potable
This fitting has internal threads on the branch fitting to accept a threaded cleanout plug.
Cleanout fittings
This is the Loss of water in a trap seal started by unequal pressure inside and outside DWV piping.
Siphonage
If too much grade is used.....
The liquid wastes may flow too fast, leaving the solids behind.
Waste, either liquid or in solution with solids, enters the DWV system from the fixture drains and flows into what?
the building’s sanitary pipe system.
This comprises 50 to 80 percent of residential wastewater.
Graywater
These are used to provide a smooth-flowing DWV system, in keeping with code requirements.
Sanitary wyes
Traps with long downstream legs, which tend to promote siphonage. These traps are no longer permitted by code for new installations but are still found in older buildings.
S-traps
This is a section of a stack.
A branch interval
This connect fixtures to the building’s DWV piping system.
Fixture drains
the flow of waste products from a building, to the treatment facilities, and ends up where?
ecosystem
This is a fitting that combines a wye and a bend.
sanitary combination
When referring to plumbing, a ledge or lip in a fixture that controls the level of water inside the fixture. The word comes from Old English, meaning dam.
Weir
Any vertical pipe, including the waste and vent piping of a plumbing system, is considered this
a stack