Typical Abbreviations in Steelwork
AB Anchor Bolt
ABOM Advanced Bill of Materials
ACI American Concrete Institute
AISC American Institute of Steel Construction AISI American Iron and Steel Institute
AL Aluminum
APPD Approved
AVG Average
ANG Angle
ASSY Assembly
ASD Alternate Stress Design
ASTM American Society for Testing and Materials AWS American Welding Society
BM Beam
BRG Bearing
BLK Block
BOM Bill of Materials
BOT Bottom
BRKT Bracket
BS Both Sides or British Standard
BW Butt Weld
CHS Circular Hollow Section
CHAM Chamfer
CHEM Chemical
CIP Cast-In-Place
CIR Circular
CL Center Line
CLR Clear
CJ Control Joint
CJP Complete Joint Penetration COG Center of Gravity
COL Column
CONC Concrete
CONST JT Construction Joint
CONT Continuous
CP Complete Penetration CSK Countersink
CU Cubic
DEG Degree
DEPR Depression
DET Detail
DIA Diameter
DIM Dimension
DIR Direction
DL Development Length DWG Drawing
DWLS Dowels
EA Each or Equal Angle
EE Each End
EF Each Face
EJ Expansion Joint
EL Elevation
EQ Equal
ES Each Side
EXP Bolt Expansion Bolt
EXP JT Expansion Joint
FIG Figure
FIN Finish
FL Floor
FND Foundation
FP Full Penetration
FS Far Side
FSBW Full Strength Butt Weld
FT Foot or Feet
FTG Footing
FW Fillet Weld or Field Weld
GA General Arrangement or Gauge
GALV Galvanized
GB Grade Beam or Chinese Standard
GR Grade
GP Gusset Plate
HEF Horizontal Each Face
HEX Hexagon
HIF Horizontal Inside Face
HOF Horizontal Outside Face
HOR Horizontal
HP High Point
HS High Strength
HSFG High Strength Friction Grip
HSS Hollow Structural Section
HT Height
ICBO International Conference of Building Officials ID Inside Diameter
IN Inch
INV Invert
JT Joint
JST Joist
K Kip (1000 Pounds)
LG Long or Length
LH Left Hand
Lin Linear
LLV Long Leg Vertical
LP Low Point
LRFD Load and Resistance Factor Design LW Light Weight
LWC Light Weight Concrete
MACH Machine
MATL Material
MAX Maximum
MAS Masonry
MIN Minimum
MT Magnetic Particle Testing
MTL Metal
MTO Material Taking Off
NF Near Face
NS Near Side
NWC Normal Weight Concrete
NIC Not in Contract
NTS Not to Scale
OC On Center
OD Outside Diameter
OPNG Opening
