abbreviations
access panel
AP
Centre
CTR
Centre to centre
C-C or O/C
Adjustable
ADJT
Centre line
CL
adhesive
ADH
aggregate
AGG
Channel
CHAN
Electric metallic tub
EMT
elevation
EL OR ELEV
End to end
e to e
entrance
ENT
Excavate
EXC
expansion joint
EXPJT
existing
EXIST
extension
EXT
exterior
EXT
F to F
Face-to-face
finish
FIN
fireproof
FP or FRPF
fix Fixture
FIX
Flashing
FL
flat
FL
Flat on bottom
FOB
flat on top
FLT
floor
FLR. FL
floor drain
FD
Flush
FL
Footing
FTG
Foundation
FDN
Furring
FUR
future
FUT
galvanized
GV or GALV
galvanized iron
G.I.
galvanized steel
GS
G
Gas
GL
Glass
G1 S
Good one side
G2S
Good two sides
GR
Grade
gympsum
GYP
HTR
heater
HT
height
HORZ
Horizontal
HB
Hose bib
HA
Hot air
HW
Hot water
HWT
Hot water tank
IF
Inside face
ISN
Insulation
JT
Joint
K Or KIT
Kitchen
lateral
LAT
laundry tray
LT
Laboratory
LAV
L Line
leader line
std L
lenght
LEV
level
LT backdoor
light
object L
line
LN
lining
LG
long
LVR
louver
LR
living room
LBR
Lumber
MAX
Maximum
MECH
Mechanical
MEMB
Membrane
MET
Metal
MISC
miscellaneous
MOD
Modular
MLDG
Moulding
N
North
NIC
Not in contacts
NIS
Not to scale
OC
On centre
OWSJ
Open web, steel joist
OPNG
Opening