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Architectural Abbreviations

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
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
DIA	DIAMETER
DIMS	DIMENSIONS
DN	DOWN
DR	DOOR
DWG	DRAWING
EA	EACH
EL	ELEVATION
ELEC	ELECTRICAL
ELEV	ELEVATOR/ELEVATION
EPDM	ETHYLENE PROPYLENE DIENE M-CLASS (ROOFING)
EQ	EQUAL
EXIST	EXISTING
EXP JT	EXPANSION JOINT
EXT	EXTERIOR
FD	FLOOR DRAIN
FEC	FIRE EXTINGUISHER CABINET
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 WALLBOARD
ILO	IN LIEU OF
INSUL	INSULATED
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	OPPOSITE HAND
OZ	OUNCE
PCC	PRE-CAST CONCRETE
PLUMB	PLUMBING
PLYD	PLYWOOD
PT	PRESSURE TREATED
PNT	PAINT/PAINTED
PVC	POLYVINYL CHLORIDE
RBR	RUBBER
RCP	REFLECTED CEILING PLAN
RD	ROOF DRAIN
REQD	REQUIRED
RM	ROOM
SIM	SIMILIAR
SPEC	SPECIFIED OR SPECIFICATION
SPK	SPRINKLER
SSTL	STAINLESS STEEL
STC	SOUND TRANSMISSION COEFFICIENT
STL	STEEL
STRUCT	STRUCTURAL
T&G	TONGUE AND GROOVE
TELE	TELEPHONE
TLT	TOILET
TO	TOP OF
TOC	TOP OF CONCRETE
TOS	TOP OF STEEL
TP	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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Architectural Abbreviations

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