PLUMBING DEFINITIONS AND
STANDARDS QUESTIONS WITH
DETAILED VERIFIED ANSWERS
Accessory Building Ans: A detached building that is part of a dwelling.
Aerobic Treatment Center Ans: A unit for treating wastewater using
oxidation.
Air-break Ans: The vertical distance between a waste outlet and the
highest point of the receptor.
Anaerobic Treatment Component Ans: A unit for treating wastewater
using molecular oxygen and free oxygen.
Ambulatory Surgery Center Ans: A healthcare facility that receives
federal funding for surgical procedures.
Appurtenance Ans: A device or assembly that is part of a plumbing
system.
Approved Ans: Acceptance documented in writing by the department.
Aspirator Ans: A device that creates a vacuum by passing fluid through
an orifice.
Autopsy Table Ans: A fixture or table used for post-mortem
examination.
Backflow Ans: The reverse flow of liquids, solids, or gases.
Backflow Preventer with Intermediate Atmospheric Vent Ans: A cross
connection control device with independently acting check valves.
Back Siphonage Ans: The creation of backflow due to positive pressure.
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Bathroom Group Ans: A combination of a water closet, lavatory, and
bathtub or shower located together.
Bedpan Sterilizer Ans: A fixture used for sterilizing bedpans or urinals.
Bidet Sprayer Ans: A component for genital and perineal cleanliness in
water closets.
Bell Ans: The enlarged portion of a pipe used for making a joint.
Bench Mark Ans: A point of reference for elevation measurements.
Blackwater Ans: Wastewater contaminated by human body waste.
Biochemical Oxygen Demand 5 Day Ans: A measure of organic pollution
in wastewater.
Branch Interval Ans: The vertical distance between connections of
horizontal branches to a drainage stack.
Branch Vent Ans: A vent that serves multiple fixture drains.
British Thermal Units Ans: A unit of heat energy.
Building Ans: A structure used for support, shelter, or enclosure.
Building Permit Ans: Written permission from a municipality to
commence construction.
Building Sewer, Storm Ans: A building sewer that conveys wastewater
with stormwater.
Building Subdrain Ans: The portion of a drain system that does not flow
by gravity to the building sewer.
Business Establishment Ans: An industrial or commercial organization
operated for profit.
Camping Unit Transfer Tank Ans: A portable container for wastewater
from camping units.