Structural Abbreviations

The list of abbreviations used in a set of structural drawings varies from office to office.  Be sure to check the front section of the drawing set for the abbreviations used within.

ASDAllowable Stress Design
ACIAmerican Concrete Institute
AISCAmerican Institute of Steel Construction
AISIAmerican Iron and Steel Institute
ASTMAmerican Society for Testing and Materials
AWSAmerican Welding Society
ABAnchor Bolt
BBottom
BMBeam
BRGBearing
BLKBlock
BOFBottom of Foundation
BOTBottom
BRKTBracket
CIPCast-In-Place
CLRClear
COLColumn
CONCConcrete
CMUConcrete Masonry Unit
CRSIConcrete Reinforcing Steel Institute
CONST JTConstruction Joint
CONTContinuous
CJControl Joint
DEPRDepression
DETDetail
DLDevelopment Length
DIADiameter
DIMDimension
DIRDirection
DWLSDowels
EAEach
EEEach End
EFEach Face
EJExpansion Joint
ESEach Side
EQEqual
EWEach Way
EXP BoltExpansion Bolt
EXP JTExpansion Joint
FFFar Face
FTFoot or Feet
FINFinish
FLFloor
FTGFooting
FNDFoundation
GALVGalvanized
GAGauge
GRGrade
GBGrade Beam
GPGusset Plate
HTHeight
HPHigh Point
HSHigh Strength
HEFHorizontal Each Face
HIFHorizontal Inside Face
HOFHorizontal Outside Face
HORHorizontal
INInch
IDInside Diameter
ICBOInternational Conference of Building Officials
INVInvert
JTJoint
JSTJoist
KKip (1000 Pounds)
LWLight Weight
LWCLight Weight Concrete
LRFDLoad and Resistance Factor Design
LLVLong Leg Vertical
LPLow Point
MASMasonry
MTLMetal
NFNear Face
NWCNormal Weight Concrete
NICNot in Contract
OCOn Center
ODOutside Diameter
OPNGOpening
PCPile Cap
PLPlate
PTPoint
PVCPolyvinyl Chloride
PSFPounds per Square Foot
PSIPounds per Square Inch
RRadius
REINFReinforced
RETGRetaining
RETReturn
RERight End
SECTSection
SCShear Connector
SHTSheet
SLVShort Leg Vertical
SIMSimilar
SOGSlab on Grade
SLSplice Length
SQSquare
STDStandard
STLSteel
SDISteel Deck Institute
SFStep Footing or Square Foot
STIFFStiffener
STRStructural
SUPSupport
SYMSymmetrical
THKThick or Thickness
THRDThreaded
T&BTop and Bottom
TTop
TOTop of
TOCTop of Concrete
TOFTop of Foundation
TOSTop of Steel
TOWTop of Wall
TYPTypical
UNOUnless Noted Otherwise
USUnderside
VEFVertical Each Face
VIFVertical Inside Face or Verify in Field
VOFVertical Outside Face
WWFWelded Wire Fabric
W/With
WPWorking Point
Article Updated: January 16, 2020

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