The list of abbreviations used in a set of architectural drawings varies from office to office. Be sure to check the front section of the drawing set for the abbreviations used within.
#
Pound OR Number
&
And
@
At
ACT
Acoustic Ceiling Tile
AD
Area Drain
AFF
Above Finished Floor
ALUM
Aluminum
ANOD
Anodized
BSMT
Basement
BYND
Beyond
BOT
Bottom
CIP
Cast In Place
CHNL
Channel
CJ
Control Joint
CL
Center Line
CLG
Ceiling
CLR
Clear
CMU
Concrete Masonry Unit
COL
Column
COMPR
Compressible
CONC
Concrete
CONT
Continuous
CPT
Carpet
CT
Ceramic Tile
CTYD
Courtyard
DBL
Double
DEMO
Demolish or Demolition
DIA
Diameter
DIM
Dimension
DIMS
Dimensions
DN
Down
DR
Door
DWG
Drawing
EA
Each
EJ
Expansion Joint
EL
Elevation
ELEC
Electrical
ELEV
Elevator or Elevation
EPDM
Ethylene Propylene Diene M-Class (Roofing)
EQ
Equal
EXIST
Existing
EXP JT
Expansion Joint
EXT
Exterior
FD
Floor Drain or Fire Department
FEC
Fire Extinguisher Cabinet
FF
Finished Face or Finished Floor
FFL
Finished Floor Level
FIXT
Fixture
FLR
Floor
FM
Filled Metal
FO
Face Of
FND
Foundation
GA
Gauge
GALV
Galvanized
GWB
Gypsum Wall Board
HC
Hollow Core
HI
High
HM
Hollow Metal
HP
High Point
HR
Hour
HVAC
Heating, Ventilating, And Air Conditioning
IRGWB
Impact Resistant Gypsum Wall Board
ILO
In Lieu Of
INSUL
Insulated or Insulation
INT
Interior
LO
Low
MAX
Maximum
MO
Masonry Opening
MECH
Mechanical
MEMBR
Membrane
MIN
Minimum
MRGWB
Moisture-Resistant Gypsum Wall Board
MTL
Metal
NIC
Not In Contract
NO
Number
NOM
Nominal
OC
On Center
OH
Overhang or Opposite Hand
OPP
Opposite or Opposite Hand
OZ
Ounce
PCC
Pre-Cast Concrete
PLUMB
Plumbing
PLYD
Plywood
PT
Pressure Treated
PNT
Paint or Painted
PVC
Polyvinyl Chloride
RBR
Rubber
RCP
Reflected Ceiling Plan
RD
Roof Drain
REQD
Required
RM
Room
SIM
Similar
SD
Smoke Detector
SPEC
Specified OR Specification
SPK
Sprinkler or Speaker
SSTL
Stainless Steel
STC
Sound Transmission Coefficient
STL
Steel
STRUCT
Structure or Structural
T&G
Tongue And Groove
TELE
Telephone
TLT
Toilet
TME
To Match Existing
TO
Top Of
TOC
Top Of Concrete
TOS
Top Of Steel
TPD
Toilet Paper Dispenser
T/D
Telephone/Data
TYP
Typical
UNO
Unless Noted Otherwise
U/S
Underside
VIF
Verify In Field
VP
Vision Panel
W/
With
WD
Wood
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