Abbreviations

There are many abbreviations in use within the construction industry and in order to aid in the naming of BIM objects, classifications and Layers etc… a list of common abbreviations have been supplied:

DescriptionAbbreviation
Air brickAB
Air conditioning (Mech)AC
Alternating Current (Elect)AC
Asbestos CementAC
Asbestos Containing MaterialACM
AlternateALT
AnnotationAnno
BalconyBalc
Boosted cold water serviceBCWS
Bore HoleBH
Beam heightBHt
Boosted hot water serviceBHWS
Back inlet gullyBIG
BuildingBldg
BlockworkBLK
bending momentor bench markBM
Bill of quantitiesBOQ
Brick retaining wallBRW
British Standard Pipe (Parallel thread)BSP
British Standard Pipe Taper ThreadBSPT
Building_transport_systemsBTS
British Thermal UnitBTU
Brick wallBW
Builders’ work in connection with servicesBWIC
BrickworkBWK
Contract administratorCA
Close boarded fenceCBF
concrete block wallCBW
Close Coupled CistermCC
Construction (Design and Management) Regulations CDM
Compression FittingCF
Corrugated galvanized ironCGI
Circular hollow sectionCHS
Cill height  CHt
Cast ironCI
Corrugated iron fenceCIF
Construction jointCJ
Cover level or centre lineCL
Chain link fenceCLF
Cleaning MaintenanceCM
CommunicationsCOMS
Concrete panel fenceCPF
Concrete paving slabsCPS
Concrete retaining wallCRW
Commissioning valve -servicesCV
Cold water serviceCWS
Data_networksData
Drain cockDC
Depot_cleaning_and_maintenanceDCAM
Double check valveDCV
Domestic hot waterDHW
DistributionDist
Dead loadDL
Drain off valve  DOV
Down pipeDP
Damp-proof courseDPC
Damp-proof membraneDPM
Double switched socket outlet  DSSO
Electricity control boxECB
End FeedEF
Existing levelEL
ElectricalElect
ElevationsELES
Escalators_and_moving_walkwaysEMW
Electric_power EPEP
expanded polypropyleneEPP
Expanded PolystereneEPS
Expansion relief valve  ERV
External_site_worksESW
ExternalEXT
flexible connection  FC
Far faceFF
Finished floor levelFFL
Fire hydrantFH
floor levelFL
factor of safetyFoS
Fire SuppressionFS
Fire_security_and_protectionFSP
Foul WaterFW
General LightingLIGHT
General structuralGS
High alumina cementHAC
Heating_and_coolingHC
high density fibreboardHDF
Heat_emittersHE
High LevelHL
High Level balanced FlueHLBF
Heat OutputHO
heightHT
high tensileHT
Heating_ventilation_and_air_conditioningHVAC
hot water service  HWS
inspection cover   or inspection chamberIC
invert levelIL
InternalINT
intermediate switchINTER
iron railing fenceIRF
isolating valve  IV
interwoven fence  IWF
KeynotesKEYN
local authorityLA
live loadLL
Low LevelLL
lamp post  LP
laminated strand lumberLSL
lockshield valve  LSV
mass concrete or moderately conservative MC
mains cold water  MCW
medium density fibreboardMDF
manholeMH
man made mineral fibresMMMF
mild steelMS
near face (reinforcement)NF
Non-plottingNPLOT
non return valve  NRV
not to scaleNTS
outside diameter or Ordnance datumOD
over headOH
ordinary Portland cementOPC
palisade fence  PALF
Precast ConcretePC
Portland cement concretePCC
Liquefied_petroleumPetrol
picket fence  PF
pulverised fuel ashPFA
parallel flange channelPFC
pocket (RC)PKT
plate (steel connection)PLT
Post and wire fence  PPWF
Post and rail fence  PRF
PowerPwr
RadiatorRAD
Insitu ConcreteRC
Rain ScreenRSC
Reinforced concrete RC
Rodding eye  RE
RetainingRET
RevisionsREVS
Rapid hardening Portland cementRHPC
Rectangular hollow section RHS
ready-mixed concreteRMC
Rolled steel angleRSA
Rolled steel joistRSJ
Rain Water PipeRWP
Rain water pipeRWP
Stop cockSC
Structural engineerSE
SectionsSec
square hollow sectionSHS
Systeme InternationaleSI
soffite level or sky light or sill levelSL
setting-out lineSOL
setting-out pointSOP
arch springer height  SP
single pole double throw switch  SPDT
stone paving slabs  SPS
single pole single throw switch  SPST
Soldier RingSR
sulphate resisting cementSRC
stainless steelSS
structural slab levelSSL
single switched socket outlet  SSSO
strainer  STR
SurveySurv
safety valve  SV
soil and vent pipeSVP
stone wallSW
SymbolsSymb
tongued and groovedT&G
Temporary bench markTBM
TerminalsTerm
top of beamTOB
top of concreteTOC
top of steelTOS
top of wallTOW
temperature/pressure relief valve  TPRV
TelevisionTV
undersideU/S
universal beamUB
universal columnUC
urea formaldehydeUF
VoltsV
Ventilation_extractVE
VentilationVent
VerticalVert
vent pipe  VP
Ventilation_Supply_and_extractVSE
WattsW
windowWin
water level  WL
wire mesh fence  WMF
wooden panel fence  WPF