Abbreviations Which Can Be Used on Drawings

Abbreviations xx

Historically, abbreviations were used frequently in construction documents aspart of standard practice. They were part of the drawing symbology, but led toerrors of interpretation by contractors. Since today, CADD drawing text isfast to input and is legible, abbreviations are strictly prohibited unless theyare absolutely necessary due to space limitations, or they increasereadability, such as in schedules.

If you use abbreviations, you should follow these rules:Use upper case lettering, without periods1.Do not use spaces within an abbreviation2.Use same abbreviations for singular or plural3.

The abbreviations listed below are compiled from Architectural GraphicStandards, 1912, 1951, and 1956, Time Saver Standards, 1966, Skidmore,Owings and Merrill Drafting Standards, 1986, Holabird & Root DraftingStandards, 1987, Nagle Hartray & Associates Standards, 1989, Murphy/JahnOffice Reference Manual, 1973, Braun/Skiba Standards Manual, 1990,Recommended Standards on Production Procedures (the so-called "POPManual"), Northern California Chapter AIA, 1980, Graphic Communication inArchitecture, William J. O'Connell, 1972, Interior Graphic and DesignStandards, S.C. Reznikoff, 1986. Note that there are many differencesbetween abbreviation standards between firms as well as between authors.

2-PSS: Two-Part Polysulfide Sealant2-PUMS: Two-Part Polyurethane Modified Sealant@ At (the rate of)& And" Inch; Ditto (which means "same as above")# Number. or Pound[circle with diagonal slash through it] Diameter, Round, Phase

A: Area, Ampere; Acre; Alcove; Compressed Air LineAB: Anchor Bolt; Asbestos BoardABV: AboveAC: Air Conditioning, Alternating Current, AcousticalACC: AccessACF: Architectural Concrete FinishACFL: Access Floor

Abbreviations which can be used on drawings http://academics.triton.edu/faculty/fheitzman/abbrev.html

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http://academics.triton.edu/faculty/fheitzman/abbrev.html

ACI: American Concrete InstituteACL: Across the LineACOUST: AcousticalACPL: Acoustical PlasterACR: AcrylicACST: AcousticACT: Acoustical Tile; ActualAD: Access Door, Area DrainADA: Americans with Disabilities Act of 1992ADAAG: Americans with Disabilities Act Architectural GuidelinesADD: Addendum; AdditionADDL: AdditionalADH: AdhesiveADJ: Adjust, Adjustable, AdjacentAF: Above the FloorAFF: Above Finished FloorAGA: American Gas AssociationAGG: AggregateAGGR: AggregateAIA: American Institute of Architects, American Insurance AssociationAIC: Amperes Interrupting CircuitAIEE: American Institute of Electrical EngineersAISC: American Institute of Steel ConstructionAL: AluminumALM: AlarmALT: Alternate, Alteration; AltitudeALUM: AluminumALS: Acrylic Latex SealantAMB: AmbientAMP: Ampere, AmpacityAMPY: AmpereAMT: AmountAN: AnodeANCH: Anchor, AnchorageANN: AnnunciatorANOD: AnodizedANT: AntennaAP: Access PanelAPPD: ApprovedAPPROX: ApproximateAPRVD: ApprovedAPT: ApartmentAPX: ApproximateAR: Acid Resisting


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ARCH: Architect, ArchitecturalARS: Asbestos Roof ShinglesAS: Acoustic SealantASB: AsbestosASC: Above Suspended CeilingASCE: American Society of Civil EngineersASME: American Society of Mechanical EngineersASPH: AsphaltASSEM: AssembleASSOC: Association; AssociateASSY: AssemblyASTM: American Society for Testing and MaterialsAT: Acoustical Tile; Asphalt TileATC: Acoustical Tile CeilingATTEN: AttenuationATM: Automatic Teller Machine; AtmosphericAUTH: AuthorizedAUTO: AutomaticAVG: AverageAW: Acid WasteAWG: American Wire GaugeAWM: Automatic Washing MachineAWS: American Welding SocietyAWWA: American Water Works AssociationAX: Axis

B: Boiler, Bathroom, BidetB TO B: Back to BackB & B: Balled and Burlapped, Bell and BellB & F: Bell and FlangeB & S: Bell and Spigot, Brown & SharpB/: Bottom (of)BBD: Bulletin BoardBA: Bulb AngleBAL: Balance, BallastBAF: BaffleBB: Buffalo Box, Ball Bearing,, Bulletin BoardBBL: BarrelBC: Broom ClosetBD: Board, Blow Down (pipe)BDL: BundleBDY: BoundaryBDRM: BedroomBEL: BelowBET: Between


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BETW: BetweenBEV: BevelBF: Board Foot, Back Face, Bottom Face, Both Faces, Boiler FeedBG: Bag (e.g., of cement)BHP: Brake HorsepowerBHD: BulkheadBIT: BituminousBJF: Bituminous Joint FillerBKR: BreakerBL: Base Line, Building Line, BlockBLDG: BuildingBLK: BlockBLKG: BlockingBLO: BlowerBLR: BoilerBLT: Borrowed Lite, Bullet Tips (Hinges)BLT-IN: Built-InBM: Beam, Bench MarkBMT: Butyl Mastic Tape SealantBN: BullnoseBNDG: Bending (re-bars)BNT: BentBO: Blow OffBOT: BottomBP: Base Plate, Blueprint, BypassBPL: Bearing PlateBR: Bedroom, Brick, Brass, Boiler Room BranchBRDG: Bridge, BridgingBRG: BearingBRK: BrickBRKR: BreakerBRKT: BracketBRS: Butyl Rubber Sealant, BrassBRZ: BronzeBRZG: BrazingBS: Both Sides, Backset, BluestoneBSMT: BasementBT: Bathtub, BoltBTR: BetterBTU: British Thermal UnitsBTUH: British Thermal Units per HourBUR: Built-up RoofBUZ: BuzzerBV: Butterfly Valve


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BVL: BevelledBW: Both WaysBWV: Back Water ValveBYP: By Pass

C: Courses, Curb, Channel, Degrees Celsius, Clock Outlet, CalcimineC/C: Center to CenterC TO C: Center to CenterCA: Compressed AirCAB: CabinetCAD: Cadmium, Computer-Aided DraftingCAIS: CaissonCAP: CapacityCAR: CarpetCARP: CarpenterCAT: CatalogCAV: CavityCB: Catch Basin, Concrete Block,Cast Brass, Coal BinCBL: Concrete BlockCBX: Cast Box StrikeCC: Cubic CentimeterCCT: CircuitCCW: Counter ClockwiseCCTV: Closed Circuit TVCD: Cold Drawn, CadmiumCDS: Cold Drawn SteelCEL: CellarCEM: CementCEM AB: Cement Asbestos BoardCem P: Cement Water PaintCER: CeramicCF: Cubic FeetCFL: CounterflashingCFM: Cubic Feet per MinuteCFS: Cubic Feet per SecondCFT: Cubic FootCG: Corner GuardCH: Coat HookCHB: Chalk BoardCHR: Chilled Water ReturnCHAM: ChamferCHAN: ChannelCHBD: ChalkboardCHS: Chilled Water Supply


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C.I.: Cast IronCI: Cast IronCIN BL: Cinder BlockCIP: Cast Iron Pipe, Cast-in-PlaceCIR: Circle, Circular, CircuitCIRC: CircumferenceCISP: Cast Iron Soil/sewer PipeCITG: Clear Insulating Tempered GlassCJ: Control JointCJF: Cork Joint FillerCK: CaulkingCKT: CircuitCL: Centerline, Clearance, Closing, Closure, Class, ClosetCLG: CeilingCLKG: CaulkingCLH: Clothes Line HookCLL: Contract Limit LineCLO: ClosetCLP: ClampCLR: ClearCLR OPG: Clear OpeningCLS: ClosureCM: Circular Mil (1/1000 inch),Center MatchedCMP: Corrugated Metal PipeCMT: Ceramic Mosaic TileCMU: Concrete Masonry UnitCMUP: Concrete Masonry Unit PaintedCND: Condition, ConduitCNDS: CondensateCNTR: Center, CounterCNVR: ConveyorCOAX: CoaxialC.O.: Cased OpeningCO: Company, Cleanout, Cased Opening, Cut OutCOD: Cleanout DoorCO & DP: Cleanout & Deck PlateCOEF: CoefficientCOL: ColumnCOM: CommonCOMB: Combination, CombustionCOML: CommercialCOMM ED: Commonwealth EdisonCOMP: Composition, Compressed


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COMPO: CompositionCOMPT: CompartmentCON: ConstructionCONC: ConcreteCONCP: Concrete PaintedCOND: Condenser, ConduitCONN: ConnectionCONST: ConstructionCONSTR: ConstructionCONT: Continuous, Continue, ControlCONTR: ContractorCONV: Convector, ConvenienceCOP: CopperCOR: Corner, CorridorCORR: Corridor, CorrugateCOV: CoverCP: Cathodic Protection, Clothes Pole, CesspoolCPE: Chlorinated PolyethyleneCPL: Cement PlasterCPP: Cement Plaster PaintedCPR: CopperCPT: CarpetCR: Chromium (plated), Curtain RodCRPT: CarpetCRS: Course, Cold Rolled SteelCS: Countersink, Cast Steel, Cast Stone, Commercial StandardCSG: CasingCSK: CountersinkCSMT: CasementCSN: CaissonCSS: Countersunk ScrewCSTG: CastingCT: Ceramic Tile, Cork Tile,Cone Tip (hinges)CTD: CoatedCTR: Center, CounterCTSC: Communications Systems Terminal CabinetCTSK: CountersunkCTWT: CounterweightCU: Copper, Cubic, Coefficient of UtilizationCU. FT.: Cubic FeetCU. YD.: Cubic YardCUR: CurrentCV: Check Valve


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CW: Clockwise, Cold WaterCWP: Circulating Water PumpCWR: Condensate Waste ReturnCWS: Condensate Waste SupplyCY: Cubic Yard, CycleCYL: CylinderCYL L: Cylinder Lock

D: Deep, Depth, Drop, DrainD & M: Dressed & MatchedDA: Double ActingDB: DecibelDBL: DoubleDBT: Drybulb TemperatureDC: Direct CurrentDCV: Detector Check ValveDD: Driveway Drain, Deck DrainDEG: DegreeDEGC: Degree CelciusDEGF: Degree FarenheitDEM: DemolishDEMO: DemolitionDEP: DpressedDEPT: DepartmentDET: DetailDF: Drinking FountainDH: Double HungDIAG: DiagonalDIA: DiameterDIAM: DiameterDIFF: DiffuserDIM: DimensionDISL: DisposalDISP: DispenserDIV: DivisionDL: Dead LoadDMH: Drop ManholeDMT: DemountableDN: DownDO: Ditto, or Door OpeningDP: Dampproofing, Dew Point, Distribution PanelDPDT: Double Pole Double ThrowDPST: Double Pole Single ThrowDPR: DamperDR: Door, Drain, Dining Room


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DRBD: DrainboardDS: Downspout, Disconnect Switch, Door SwitchDSP: Dry StandpipeDT: Drain TileDTL: DetailDVTL: DovetailDW: Dumbwaiter, Distilled WaterDWG: DrawingDWGS: DrawingsDWL: DowelDWP: Drywall, PaintedDWR: DrawerDS: DownspoutDSP: Dry StandpipeDX: Direct Expansion, Duplex

E: East, Enamel, ExhaustE TO E: End to EndEA: EachEB: Expansion BoltEC: Exposed ConstructionECC: EccentricECP: Exposed Construction PaintedEDR: Equivalent Direct RadiationEE: Each EndEF: Each FaceEFTS: Expanding Foam Tape SealantEG: Edge GrainEIFS: Exterior Insulation and Finish SystemEJ: Expansion JointEJECT: EjectorEL: Elevation, ElevatorELB: ElbowELEC: ElectricalELECT: ElectricalELEV: Elevator, ElevationELP: Emergency Lighting PanelEM: EmergencyEMER: EmergencyENAM: EnamelENCL: EnclosureENG: EngineerENGR: EngineerENJF: Expanded Neoprene Joint FillerENT: Entrance


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ENTR: EntranceEP: Electrical Panelboard, Explosion ProofEPDM: Ethylene Propylene Diene MonomerEPJF: Expanded Polyethelene Joint FillerEQ: EqualEQP: EquipmentEQPT: EquipmentEQUIP: EquipmentERP: Emergency Receptacle PanelESC: EscalatorEST: EstimateEVAP: EvaporatorEW: Each WayEWC: Electric Water CoolerEW & C: Electric Wiring and CommunicationEWH: Electric Water HeaterEX: Exposed Construction, ExitEXC: ExcavateEXCAV: ExcavateEXEC: ExecutiveEXG: ExistingEXH: ExhaustEXH AIR: Exhaust AirEXIST: ExistingEXP: Expansion, ExposedEXPN: ExpansionEXPP: Existing Patched and PaintedEXS: Extra StrongEXT: Exterior, ExtinguishEXTR: Extrude

F: Degrees Fahrenheit, FuseF TO F: Face to FaceFA: Fire Alarm, Fresh AirFAB: FabricateFABR: FabricateFACP: Fire Alarm Control PanelFAG: Fire Alarm GongFAO: Finish All OverFAR: Floor Area RatioFAST: Fastener, FastenFB: Flat Bar, Face Brick, Floor BoxFBD: FiberboardFBM: Foot Board MeasureFBP: Fabric Panel


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FBRK: Fire BrickFC: File Cabinet, Foot Candle, Fault CurrentFD: Floor drainFDC: Fire Department ConnectionFDN: FoundationFDTN: FoundationFE: Fire ExtinguisherFEC: Fire Extinguisher CabinetFF: Far Face, Finished Floor, Factory FinishFFE: Finished Floor ElevationFF&E: Fixtures, Furnishings & EquipmentFFL: Finished Floor LineFGL: FiberglassFGR: Fiberglass reinforcedFH: Flat Head, Fire HoseFHC: Fire Hose CabinetFHMS: Flat head machine screwFHR: Fire Hose RackFHS: Fire Hose StationFHWS: Flat Head Wood ScrewFHY: Fire HydrantFIL: FilletFIN: Finish, finishedFITG: FittingFIX: FixtureFIXT: FixtureFL: Floor, Fire LineFLASH: FlashingFLG: FlooringFLEX: FlexibleFLG: Flange, Flashing, FlooringFLR: FloorFLUOR: FluorescentFLX: FlexibleFM: Fire Main, Factory Mutual CompanyFND: Feminine Napkin Dispenser, FoundationFO: Finished OpeningFOB: Free On BoardFOC: Face of ConcreteFOF: Face of FinishFOS: Face of StudsFP: FireproofFPL: FireplaceFPM: Feet per minute


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FPRF: FireproofFPS: Feet per SecondFR: Frame, Front, Fire RiserFRG: ForgedFRM: FrameFRPF: FireproofFRT: Fire RetardantFS: Full Size, Far Side, Federal Standards, Fused Switch, Floor SinkFSCW: Flush Solid Core WoodFT: Foot, Feet, Fully TemperedFTG: Footing, FittingFUR: FurredFURN: Furnish, FurnitureFURR: FurringFUT: FutureFVC: Fire Valve Cabinet

G: Gas, Girder, Gutter, GramGA: Gauge, GageGAGE: GaugeGAL: GallonGALV: GalvanizedGB: Grab Bar, Glass Block, Gypsum BoardGC: General ContractorGCMU: Glazed Concrete Masonry UnitGD: Guard, Grade, Gutter DrainGEN: General, GeneratorGENL: GeneralGF: Ground FaceGFCI: Ground Fault Circuit InterruptedGFI: Ground Fault InterruptedGFRC: Glass Fiber Reinforced ConcreteGI: Galvanized IronGKT: GasketGL: GlassGL BLK: Glass BlockGLB: Glass BlockGLVA: Globe ValveGLZ: GlazeGMU: Glazed Masonry UnitGND: GroundGOVT: GovernmentGP: Galvanized PipeGPDW: Gypsum DrywallGPH: Gallons Per Hour


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GPL: Gypsum LathGPM: Gallons Per MinuteGPP: Gypsum Plaster PaintedGPPL: Gypsum PlasterGPS: Gallons Per SecondGR: Grade, Grille, GraniteGRAN: Granular, GraniteGRND: GroundGRTG: GratingGSS: Galvanized Sheet SteelGSU: Glazed Structural UnitGT: GroutGV: GalvanizedGVA: Gate ValveGVL: GravelGYP: GypsumGYP BD: Gypsum Board

H: HighHA: HectareHB: Hose BibHBD: HardboardHC: Hollow Core, Handicapped (better called Accessible")HCT: Hollow Clay TileHD: Head, Heavy DutyHDCP: Handicapped (better called "Accessible")HDN: HardenHDR: HeaderHDW: HardwareHDWD: HardwoodHDWE: HardwareHEX: HexagonalHGR: HangerHGT: HeightHH: HandholeHHMB: Hex Head Machine BoltHID: High Intensity DischargeHK: Hook or HooksHKD: Hooked (re-bars)HL: Hydrant LineHM: Hollow MetalHMP: Hollow Metal, PaintedHNCG: Hollow Neoprene Compression GasketHOR: HorizontalHORIZ: Horizontal


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HOSP: HospitalHP: High Point, High Pressure, Horse PowerHPS: High Pressure Sodium, High Pressure SteamHR: HourHRS: Hot Rolled Steel, HoursHS: Heat StrengthenedHSG: HousingHT: Height, Heat, High Tension DuctHTG: HeatingHTR: HeaterHTW: High Temperature WaterHV: High VoltageHVAC: Heating, Ventilating & Air ConditioningHVY: HeavyHW: Hot Water, Heavy WallHWC: Hot Water Circulating, Heavy Wall ConduitHWD: HardwoodHWH: Hot Water HeaterHWR: Hot Water Recirculating ReturnHWS: Hot Water SupplyHWY: HighwayHYD: HydraulicHYDRO: HydrostaticHZ: Hertz (Cycles Per Second)

I: Iron, Current (electrical)IBV: Indicating Butterfly ValveIC: Interrupting CapacityID: Inside DiameterIE: Invert ElevationILK: InterlockIMH: Inlet ManholeIN: InchINC: IncandescentINCAND: IncandescentINCIN: IncineratorINCL: Incline, IncludeINCR: IncreaseINFO: InformationINS: Insulate, InsulationINSP: InspectINSTL: InstallINSUL: InsulationINT: Interior, InternalINTERM: Intermediate


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INTM: IntermediateINV: InvertIP: Iron PipeIPS: Iron Pipe SizeIW: Indirect Waste

J: JoistJ-BOX: Junction BoxJAN: JanitorJB: Junction BoxJC: Janitor's ClosetJCT: JunctionJF: Joint FillerJST: JoistJT: Joint

K: Kilopound (1000 pounds), Kelvin (temperature)KAL: KalameinKCP: Keene's Cement PlasterKG: KilogramKIP: Kilopound (1000 pounds)KIT: KitchenKM: KilometerKO: KnockoutKP: KickplateKPL: KickplateKS: Kitchen SinkKVA: Kilovolt-AmpereKW: KilowattKWH: Kilowatt HourKWHR: Kilowatt Hour

L: Angle, Left, Length, Lighting Panel, Long, LineLA: Landscape Architect, Lightning ArresterLAB: Laboratory, LaborLAD: LadderLAM: Laminate, LaminatedLAT: LateralLAV: LavatoryLB: Pound (weight), Lag BoltLBL: LabelLBR: LumberLC: Light Control, Lead CoveredLCD: Liquid Crystal DiodeLCL: Linen Closet


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LCM: Lead Coated MetalLD: Leader DrainLH: Left HandLIB: LibraryLIBR: LibraryLIN: LinearLINO: LinoleumLIQ: LiquidLKR: LockerLL: Live LoadLMS: LimestoneLN: LengthLNDG: LandingLNTL: LintelLOC: LocateLOCS: LocationsLP: Low Point, Low Pressure, Lighting Panel, Light ProofLPS: Low Pressure Sodium, Low Pressure SteamLR: Living RoomLS: Limestone, Loud SpeakerLT: Light, Low Tension Duct, Laundry TrayLTG: LightingLTL: LintelLT WT: LightweightLV: Low VoltageLVR: LouverLW: Light WeightLWC: Light Weight ConcreteLWDP: Louvered Wood Door, Painted

M: Meter, Motor, Thousand (brick), Bending MomentMACH: MachineMAINT: MaintenanceMAN; ManualMAR: MarbleMARB: MarbleMAS: MasonryMAT: MaterialMATL: MaterialMAX: MaximumMB: Mail Box, Machine Bolt, Mop BasinMC: Medicine Cabinet, Mineral CoreMCC: Motor Control CenterMCM: Thousand Circular Mils (electrical wire size)ME: Mechanical Engineer


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MECH: MechanicalMED: MediumMED CAB: Medicine CabinetMEMB: MembraneMERC: Mercury VaporMET: MetalMEZZ: MezzanineMFD: Manufactured, Metal Floor DeckMFG: Manufacturer, ManufacturingMFR: Manufacture, ManufacturerMH: ManholeMI: Malleable Iron, MilesMIKE: MicrophoneMIN: MinimumMIR: MirrorMISC: MiscellaneousMK: MarkML&P: Metal Lath & PlasterMLD: MoldingMLDG: MoldingMM: MillimeterMMB: MembraneMO: Masonry OpeningMOD: ModuleMONO: MonolithicMOV: MovableMP: Metal Acoustal PanelMPS: Medium Pressure SteamMR: Mop ReceptorMRD: Metal Roof DeckMT: Mount, MountedMTD: MountedMTL: Material, MetalMTR: MotorMUL: MullionMULL: MullionMV: Mercury VaporMWP: Maximum Working PressureMWK: Millwork

N: North, NitrogenNAP: NapkinNAT: NaturalNATL: NaturalNB: "Nota Bene" Latin phrase for "Take Special Note"


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NC: Normally Closed, Noise CriteriaNEC: National Electrical CodeNEUT: NeutralNF: Near FaceNFWH: Non-freeze Wall HydrantNI: NickelNIC: Not In ContractNK: NeckNMT: Non-MetallicNO: Number, Normally OpenNOM: NominalNR: Noise ReductionNRC: Noise Reduction CoefficientNRP: Non-Removable PinNRS: Non Rising Steam ValveNS: Near SideNTS: Not To Scale

O: OxygenO TO O: Out to OutOA: Outside Air, OverallOB: ObscureOBS: ObscureOC: On CenterOD: Outside DiameterOF: Outside FaceOFF: OfficeOH: OverheadOHD: Overhead DoorOHMS: Oval Head Machine ScrewOHWS: Oval Head Wood ScrewOI: Ornamental IronOP: OpaqueOPG: OpeningOPNG: OpeningOPP: OppositeOPP H: Opposite HandOR: Outside RadiusORN: OrnamentalOSD Open Sight DrainOS&Y: Outside Screw & Yoke (valve)OUT: OutletOVFL: OverflowOW: Open WasteOZ: Ounce


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P: Pitch, Power Panel, PaintP. LAM: Plastic LaminateP SL: Pipe SleevePA: Public AddressPAF: Powder Actuated FastenersPAR: ParallelPARTN: PartitionPASS: Passage, PassengerPB: Pull Box, Push Button, Panic BarPBD: Particle BoardPBMT: Preshimmed Butyl Mastic Sealant TapePB STA: Push Button StationPC: Pull Chain, Piece, Precast ConcretePCF: Pounds per cubic footPCPL: Portland Cement PlasterPD: Pump Discharge, Plaza DrainPDP: Paneled Door, PaintedPE: Porcelain Enamel, Professional EngineerPED: Pedestal, PedestrianPERF: Perforate, PerformancePERIM: PerimeterPERP: PerpendicularPFN: PrefinishedPG: Pressure GaugePH: Phase, Preheat, PhonePIV: Pivoted, Post Indicator ValvePJF: Preformed Joint FillerPKG: ParkingPKWY: ParkwayPL: Plate, Plan, Property Line, Plastic Laminate, PlasticPLAS: Plaster, PlasticPLAS LAM: Plastic LaminatePLBG: PlumbingPLF: Pounds Per Lineal FootPLG: PlumbingPLMBG: PlumbingPLTF: PlatformPLWD: PlywoodPLYWD: PlywoodPLUMB: PlumbingPNEU: PneumaticPNL: PanelPNT: PaintPOL: Polish, Polished


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PORC: PorcelainPORT: PortablePOT W: Potable WaterPP: Plaster, Painted, Power Panel, Precast PanelPR: PairPRC: PrecastPRCST: PrecastPRE: PrefinishedPREFAB: PrefabricatedPRES: PressurePRESS: PressurePRF: PreformedPRFMD: PreformedPRI: PrimaryPRMLD: PremoldedPROT: Protection, ProtectivePRSTR: PrestressedPRTN: PartitionPRV: Pressure Reducing ValvePS: Plumbing StackPSC: Prestressed ConcretePSF: Pounds per square footPSI: Pounds per square inchPSIG: Pounds per square inch gagePT: Paint, Point, Part, Potential TransformerPTC: Post-Tensioned ConcretePTD: Painted, Paper Towel DispenserPTD/R: Combination Paper Towel Dispenser/ReceptaclePTN: PartitionPTR: Paper Towel ReceptaclePV: PavingPVC: Polyvinyl ChloridePVF: Polyvinylidene FinishPVG: PavingPVMT: PavementPVT: PrivatePW: Pass WindowPWR: Power

QUAL: QualityQUANT: QuantityQT: Quarry Tile, QuartQTR: QuarterQTY: Quantity


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R: Riser, Radius, Resistance, Relay PanelR & S: Rod and ShelfRA: Return Air, Registered ArchitectRAD: Radius, RadiatorRADN: RadianRB: Rubber, Rubber Base, Resilient BaseRBC: Rubber Base (Coved),Rubberized Bituminous CompoundRBS: Rubber Base (Straight)RBT: RabbetRCF: Raised Computer FloorRCP: Reflected Ceiling Plan, Reinforced Concrete PipeRD: Roof Drain, Round, Receptacle Distribution PanelREBAR: Reinforcing BarREC: ReceiverRECEP: ReceptacleRECP: ReceptacleRED: ReducerREF: Refer, Reference, RefrigeratorREFL: Reflected, ReflectorREFR: Refrigerate, RefrigeratorREG: Register, RegularREINF: Reinforcement, or ReinforceREM: Remove, RemovableREQ: Require, RequiredREQD: RequiredRES: ResilientRESIL: ResilientREST: ResistanceRET: Return, RetainingRETG: RetainingREV: Reverse, Revise, RevisionREV DR: Revolving DoorRF: RoofRFG: RoofingRGTR: RegisterRGH: RoughRGH OPNG:Rough OpeningRH: Right Hand, Reheat, Relative HumidityRHC: Reheat CoilRHMS: Round Head Machine ScrewRHR: Right Hand Reverse, ReheaterRHWS: Round Head Wood ScrewRM: Room


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RMS: Root Mean SquaredRMV: RemoveRN: Riser NippleRO: Rough OpeningROB: Rod Out BasinROW: Right of WayRPM: Revolutions Per MinuteRPT: Repeat (like "Ditto")RR: RailroadRT: Rubber Tile, RightRTR/RR Rubber Tread/Rubber RiserRVS: Reverse SideRVT: RivetRW: RedwoodRWC: Rain Water ConductorRWD: RedwoodRWL: Rain Water Leader

S: South, Sealant, Supply, SinkS4S: Surfaced 4 SidesS&M: Surfaced & MatchedS&S: Stained & SealedS&V: Stain & VarnishSACT: Suspended Acoustical TileSALV: SalvageSAN: SanitarySB: Setting Basin, Splash BlockSC: Solid Core, Short Circuit, Self Closing, Sill CockSCD: Seat Cover DispenserSCFT: Structural Clay Facing TileSCH: ScheduleSCHED: ScheduleSCR: ScreenSCUP: ScupperSCWD: Solid Core WoodSD: Soap DispenserSE: Structural EngineerSEAL: SealantSEC: Second, Section, Secondary, Security SystemSECT: SectionSECY: SecretarySED: Sewage Ejector DischargeSEL: SelectSERV: ServiceSEV: Sewage Ejector Vent


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SF: Square FootSFGL: Safety GlassSGG: Structural Glazing GasketSGS: Silicone Glazing SealantSH: Shelf, Sheet, ShowerSHR: ShowerSHT: SheetSHTH: SheathingSHTHG: SheathingSHWR: ShowerSIG: SignalSIM: SimilarSJS: Silicone Joint SealantSK: SinkSKL: SkylightSL: Siamese LineSLOT: SlottedSLV: SleeveSND: Sanitary Napkin DispenserSNGG: Sponge Neoprene Glazing GasketSNR: Sanitary Napkin ReceptacleSNT: SealantSP: Soil Pipe, Standpipe, Soundproof, Single PoleSPC: SpacerSPD: Sump Pump DischargeSPDT: Single Pole Double ThrowSPEC: Specification, SpecificationsSPECS: SpecificationsSPK: SpeakerSPL: SpecialSPLR: SprinklerSPM: Sprinkler MainSPP: Skim Coat Plaster PaintedSPST: Single Pole Single ThrowSQ: SquareSS: Stainless Steel, Set Screw, Soil Stack, Service Sink, Slop SinkSSD: Sub-soil DrainSSGS: Silicone Structural Glazing SealantSSK: Service SinkSSS: Silicone Sanitary SealantSST: Stainless SteelST: Straight, Storm WaterSTA: StationSTC: Sound Transmission Class


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STD: StandardSTG: Storage, SeatingSTGG: Structural Glazing GasketSTGR: StaggerSTIFF: StiffenerSTK: StackSTL: SteelSTM: SteamSTO: StorageSTOR: StorageSTP: Standard Temperature & Pressure, StandpipeSTR: Straight (re-bars), Strainer, Structural, StarterSTRL: StructuralSTRT: StraightSTRUC: StructuralSTRUCT: StructuralST W: Storm WaterSTWY: StairwaySUCT: SuctionSUPP: Supplementary, SupplementSUPT: SuperintendentSUR: SurfaceSUSP: Suspended, SuspendSV: Safety Relief ValveSW: SwitchSWBD: SwitchboardSWGR: SwitchgearSY: Square YardSYM: SymmetricalSYN: SyntheticSYS: System

T: Tread, Thermostat, TeeT/: TopT&B: Top and BottomT&G: Tongue & GrooveT&P: Temperature & Pressure Relief ValveTAN: TangentTB: Towel BarTC: Top of Curb, TerracottaTCLO: Telephone ClosetTCS: Terne Coated Stainless SteelTD: Trench DrainTEL: TelephoneTEL CL: Telephone Closet


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TEMP: Temporary, Tempered, TemperatureTEN: TenantTER: TerrazzoTERR: TerrazzoTERM: TerminalTGL: ToggleTH: ThermostatTHK: Thick, ThicknessTHKNS: ThicknessTHR: ThresholdTHRESH: ThresholdTHRM: ThermalTHRMST: ThermostatTHRU: ThroughTKBD: TackboardTL: Twist Lock (receptacle)TLT: ToiletTOL: ToleranceTP: Top of PavementTPD: Toilet paper DispenserTPH: Toilet Paper HolderTPTN: Toilet PartitionTR: Tread, TransomTRANS: Transformer, TranslucentTRAV: TravertineTRD: TreadTS: Time SwitchTSL: Top of SlabTST: Top of SteelTSTAT: ThermostatTT: Terrazzo Tile, Traffic ToppingTTC: Telephone Terminal ClosetTV: TelevisionTW: Top of Wall, Thin Wall (conduit), Tempered WaterTYP: TypicalTZ: Terrazzo

UC: UndercutUH: Unit HeaterUL: Underwriters' LaboratoriesUNEX: UnexcavatedUNEXC: UnexcavatedUNF: UnfinishedUNFIN: UnfinishedUNO: Unless Noted Otherwise


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UON: Unless Otherwise NotedUP: UnpaintedUR: UrinalUSG: United States Gauge, United States Gypsum CompanyUSS: United States StandardUT: Utility

V: Volt, Valve, Vinyl, Vent, VentilatorVA: Volt AmpereVAC: VacuumVACBR: Vacuum BreakerVAR: Varnish, VariesVAT: Vinyl Asbestos TileVB: Vapor Barrier, Valve Box, Vinyl Base, Vacuum BreakerVBC: Vinyl Base (Coved)VBS: Vinyl Base (Straight)VC: Varnished CambricVCP: Vitrified Clay PipeVCT: Vinyl Composition TileVENT: Ventilate, VentilatorVERT: VerticalVEST: VestibuleVF: Vinyl FabricVFGT: Vinyl Foam Glazing TapeVIF: Verify In the FieldVIN: VinylVIT: VitreousVLT: VaultVNR: VeneerVOL: VolumeVP: Vapor Proof, Vent PipeVR: Vapor Retarder, Vacuum Return, Vertical RiserVRM: VermiculiteVS: Vent StackVT: Vinyl TileVTR: Vent Through RoofVWC: Vinyl Wall Covering

W: West, Width, Wide, Watt, Waste, Water, Water MainW/: WithW/O: WithoutW&M: Washburn & Moen GaugeWAINS: WainscotWB: Wood BaseWC: Watercloset


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WD: WoodWDP: Wood, PaintedWDSS: Wood, Stained & SealedWDW: WindowWF: Wide Flange (structural steel)WFS: Water Flow SwitchWG: Wired GlassWGL: Wire-GlassWH: Water Heater, Wall Hung, Wall HydrantWI: Wrought IronWIN: WindowWM: Wire Mesh, Water MeterWP: Waterproof, Working Point, Working Pressure, WeatherproofWPR: WaterproofingWPT: Working PointWR: Water Resistant, Water Repellant, Waste ReceptacleWRSTP: WeatherstrippingWS: Weatherstripping, Water StopWSCT: WainscotWT: Weight, Water Table, WatertightWVNR: Wood VeneerWW: Window WallWWF: Welded Wire Fabric

XH: Extra HeavyX HVY: Extra HeavyX STR: Extra Strong

YD: YardYR: Year


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Documents

Abbreviations Which Can Be Used on Drawings