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. We also have an article that will help you identify structural drawing symbols.
ASD
Allowable Stress Design
ACI
American Concrete Institute
AISC
American Institute of Steel Construction
AISI
American Iron and Steel Institute
ASTM
American Society for Testing and Materials
AWS
American Welding Society
AB
Anchor Bolt
B
Bottom
BM
Beam
BRG
Bearing
BLK
Block
BOF
Bottom of Foundation
BOT
Bottom
BRKT
Bracket
CIP
Cast-In-Place
CLR
Clear
COL
Column
CONC
Concrete
CMU
Concrete Masonry Unit
CRSI
Concrete Reinforcing Steel Institute
CONST JT
Construction Joint
CONT
Continuous
CJ
Control Joint
DEPR
Depression
DET
Detail
DL
Development Length
DIA
Diameter
DIM
Dimension
DIR
Direction
DWLS
Dowels
EA
Each
EE
Each End
EF
Each Face
EJ
Expansion Joint
ES
Each Side
EQ
Equal
EW
Each Way
EXP Bolt
Expansion Bolt
EXP JT
Expansion Joint
FF
Far Face
FT
Foot or Feet
FIN
Finish
FL
Floor
FTG
Footing
FND
Foundation
GALV
Galvanized
GA
Gauge
GR
Grade
GB
Grade Beam
GP
Gusset Plate
HT
Height
HP
High Point
HS
High Strength
HEF
Horizontal Each Face
HIF
Horizontal Inside Face
HOF
Horizontal Outside Face
HOR
Horizontal
IN
Inch
ID
Inside Diameter
ICBO
International Conference of Building Officials
INV
Invert
JT
Joint
JST
Joist
K
Kip (1000 Pounds)
LW
Light Weight
LWC
Light Weight Concrete
LRFD
Load and Resistance Factor Design
LLV
Long Leg Vertical
LP
Low Point
MAS
Masonry
MTL
Metal
NF
Near Face
NWC
Normal Weight Concrete
NIC
Not in Contract
OC
On Center
OD
Outside Diameter
OPNG
Opening
PC
Pile Cap
PL
Plate
PT
Point
PVC
Polyvinyl Chloride
PSF
Pounds per Square Foot
PSI
Pounds per Square Inch
R
Radius
REINF
Reinforced
RETG
Retaining
RET
Return
RE
Right End
SECT
Section
SC
Shear Connector
SHT
Sheet
SLV
Short Leg Vertical
SIM
Similar
SOG
Slab on Grade
SL
Splice Length
SQ
Square
STD
Standard
STL
Steel
SDI
Steel Deck Institute
SF
Step Footing or Square Foot
STIFF
Stiffener
STR
Structural
SUP
Support
SYM
Symmetrical
THK
Thick or Thickness
THRD
Threaded
T&B
Top and Bottom
T
Top
TO
Top of
TOC
Top of Concrete
TOF
Top of Foundation
TOS
Top of Steel
TOW
Top of Wall
TYP
Typical
UNO
Unless Noted Otherwise
US
Underside
VEF
Vertical Each Face
VIF
Vertical Inside Face or Verify in Field
VOF
Vertical Outside Face
WWF
Welded Wire Fabric
W/
With
WP
Working Point
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