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tempered water
water between 85-110
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sewage ejector
a device for lifting sewage with steam, air or water
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sewage
any liquid waste containing animal or vegetable matter
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supports
devices for supporting/securing pipe and fittings
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sump vent
a vent for a sump that terminates to open air
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stack
any vertical line extending through at least one story
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soil pipe
a pipe that conveys sewage containing fecal matter
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slope
the fall of a pipe referenced by a horizontal plane
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sump pump
an electric pump that removes drainage but not sewage
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subsoil drain
a drain that collects subsurface or surface water and conveys it to a place of disposal
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stack vent
the extension of a soil or waste stack above the highest horizontal drain
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private
fixtures to be used by a family or individual
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process piping
piping systems that are not building services or power piping services
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public utilization
fixtures in public areas intended for use by the public
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quick-closing valve
a valve or faucet with a fast closing action
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relief vent
a vent which provides circulation of air between drainage and vent systems
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rim
an unobstructed open edge
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roof drain
a drain that collects water from the roof and discharges it into a leader or conductor
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mechanical joint
an approved connection that is not screwed, caulked, threaded, soldered,solvent cemented, brazed or welded
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non-potable water
not safe for drinking or personal use
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occupancy
the purpose for which a building is used or occupied
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offset
a combination of bends that brings a section of pipe into a new parallel line
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open air
outside the structure
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potable water
water that is safe for public utilization
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lead free pipe
contains not more than 8% lead
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lead free solder
contains not more than .2% lead
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individual sewage disposal system
a septic tank, cesspool, or mechanically treated system not directly connected to the public sewer
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individual vent
a pipe that vents only a single fixture trap
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horizontal pipe
any pipe or fitting less than 45 degrees
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hot water
greater or equal to 110 degrees
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emergency floor drain
a floor drain that does not receive any direct or indirect discharge
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dead end
a branch at least 2' long terminated by a closed fitting
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developed length
the length of a pipeline measured along the centerline
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dfu
a measure of discharge into the drainage system by a plumbing fixture
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circuit vent
a vent connected to a horizontal drainage branch that vents between 2 and 8 traps of like fixtures
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cistern
a small covered tank for storing water for a home
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cleanout
an accessible opening in the drainage system used for the removal of obstructions
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common vent
a vent that serves 2 fixture traps
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contamination
an impairment of the water that creates a hazard to the public
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cross connection
any physical connection between 2 separate piping systems
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flow pressure
the pressure near the opening of a water supply pipe while the water is fully flowing
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flood level rim
the edge of a receptacle from which water overflows
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fixture supply
a pipe that connects a fixture to a supply branch or main
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fixture drain
the drain from the trap of a fixture to a junction with any other drain pipe
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fixture branch
a drain that serves 2 or more fixtures and discharges into another drain or stack
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grease interceptor
a plumbing appliance that intercepts oily and greasy wastes from a waste water discharge
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backflow connection
any arrangement where backflow is possible
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backflow (drainage)
a reversal of flow in the drainage system
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backsiphonage backflow
backflow caused by a negative incoming pressure
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backpressure backflow
a pressure less than or equal to 4.33 psi or a 10' column of water
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backflow preventer
a device or means to prevent water from flowing in the wrong direction
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bathroom group
a group of fixtures including a wc, lav, tub or shower including or excluding a bidet or emergency floor drain located together on the same floor
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building drain
the lowest part of the drainage system that extends 30" beyond the exterior walls and connects to the sewer
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approved
acceptable to code official or other authority
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air admittance valve
one-way valve that allows air to enter the drainage system that closes by gravity when not needed
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adaptor fitting
an approved connecting device that joins pipes or fittings which do not otherwise fit together
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access cover`
a plate permitting access to pipes or fittings for inspection repair or cleaning
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antisiphon
valves or mechanical devices that eliminate siphonage
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aspirator
a fitting or device supplied with positive pressure that passes through an integral opening causing a vacuum
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air gap
the unobstructed distance between the outlet of a waste pipe and the FLR it discharges in to
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access to
ensuring that a fixture appliance or equipment can be reached
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area drain
a receptacle designed to collect surface or storm water from an open area
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air break
an arrangement in which a drain discharges indirectly below the flood level rim and above the trap seal
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backwater valve
a device or valve installed in the building drain or sewer pipe which prevents drainage or waste from backing up into the drainage system
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building sewer
extends from the end of the building drain and conveys discharge to the place of disposal
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building subdrain
the portion of the drainage system that does not drain by gravity to the building sewer
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building trap
a device or fitting installed in the building drain to prevent circulation of air between the building drain and the building sewer
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base flood elevation
a reference point based on the 100 year flood level
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branch interval
a vertical measurement 8' or more in developed length
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branch vent
a vent connecting 1 or more individual vents with a vent stack or stack vent
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branch
any part of the piping system except a riser, main or stack
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building
any structure with walls columns, beams, floors, or a roof
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trap
a fitting that provides a liquid seal to prevent escaping sewer gas without obstructing normal flow
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trap seal
the vertical distance between the weir and the top of the dip of the trap
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sump
a tank or pit receiving sewage or liquid waste below grade of the gravity system that must be emptied by mechanical means
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structure
that which is built or constructed or a portion thereof
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stack venting
a method of venting a fixture or fixtures through the soil or waste stack
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public water main
a water supply pipe for public use controlled by public authority
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ready access
a clear path without the need for removal of parts or the assistance of a ladder
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main
the principal pipe to which branches connect
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rough in
piping installed prior to the installation of fixtures
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reduced pressure principal backflow preventer
a backflow prevention device with 2 independent check valves 1 normally closed and 1 normally open with a space between to check
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