|
Standard Abbreviations |
|
Term |
Abbreviation |
|
A |
|
|
abbreviation |
ABBR |
|
above finished
level |
AFL |
|
above floor level
|
AFL |
|
above ground
level |
AGL |
|
absolute |
ABS |
|
across flats |
AF |
|
addendum |
ADD |
|
air conditioning
|
A/C |
|
air handler unit
|
AHU |
|
along top flange
|
ATF |
|
aluminum |
AL |
|
ampere |
A |
|
approximate |
APPROX |
|
architecture,
engineering, and construction |
AEC |
|
arrangement |
ARRGT |
|
as built |
AB |
|
assumed datum |
ASSD |
|
australian height
datum |
AHD |
|
australian
standard |
AS |
|
automatic |
AUTO |
|
auxiliary |
ASSY |
|
average |
AVG |
|
|
|
|
B |
|
|
bath |
BTH |
|
bearing |
BRG |
|
bendable quality
|
BQ |
|
both ways |
BW |
|
bottom |
BOT |
|
bracket |
BRKT |
|
brass |
BRS |
|
building |
BLDG |
|
built-in robes |
BIR |
|
built-in |
BI |
|
brick veneer |
BV |
|
brickwork |
BWK |
|
|
|
|
C |
|
|
c shaped steel
purlin |
C |
|
capacity |
CAP |
|
cast steel |
CS |
|
cast-iron |
CI |
|
cast-iron pipe |
CP |
|
ceiling |
CLG |
|
ceiling level |
CL |
|
cement masonry
unit |
CMU |
|
centre line |
CL |
|
centre of
gravity |
CG |
|
centre of
vision |
CV |
|
centre-to-centre, centres |
CRS |
|
chamfer |
CHAM |
|
channel |
CHNL |
|
cheese head |
CH HD |
|
chrome plated |
CP |
|
circle |
CIRC |
|
circular hollow
section |
CHS |
|
circumference |
CIRC |
|
coefficient |
COEF |
|
cold-rolled
steel |
CRS |
|
computer-aided
design and drafting |
CAD |
|
computer-aided
manufacture |
CAM |
|
communications
|
COMMS |
|
concentric |
CONC |
|
concrete |
CONC |
|
connection |
CONN |
|
continuous |
CONT |
|
continuous fillet
weld |
CFW |
|
contour |
CTR |
|
control |
CTRL |
|
control Joint (or
construction joint) |
C.J. or CJ |
|
controller |
CT |
|
corner |
CNR |
|
counterbore |
CBORE |
|
countersink |
CSK |
|
countersunk
head |
CSK HD |
|
cover |
CVR |
|
cross centres
|
C/C |
|
cross-recess
head |
C REC HD |
|
cup head |
CUP HD |
|
cupboard |
CPD |
|
cylinder |
CYL |
|
|
|
|
D |
|
|
damp-proof course |
DPC |
|
dedendum |
DED |
|
detail |
DET |
|
diagonal |
DIAG |
|
diagram |
DIAG |
|
diameter |
DIA |
|
diameter nominal
|
DN |
|
diametral pitch |
DP |
|
diamond pyramid
hardness number (vickers) |
HV |
|
dimension |
DIM
or DM |
|
design drawing
|
DD |
|
dishwasher |
DW |
|
distance |
DIST |
|
distance point |
DP |
|
double hung |
DH |
|
down pipe |
DP |
|
drawing |
DRG |
|
drawing
(AutoCAD) |
DWG |
|
dressed all round |
DAR |
|
dryer |
DR |
|
|
|
|
E |
|
|
each face |
EF |
|
each way |
EW |
|
electrical |
ELEC |
|
elevated level
|
EL |
|
elevation |
ELEV |
|
equal |
EQ |
|
equal angle
(steel) |
EA |
|
equipment |
EQUIP |
|
equivalent |
EQIV |
|
external |
EXT |
|
expansion joint |
EJ |
|
eye |
E |
|
|
|
|
F |
|
|
face brick |
FB |
|
fan coil unit
|
FCU |
|
far side |
FS |
|
fibre optic cable
|
FOC |
|
figure |
FIG |
|
fillet weld
|
FW |
|
fillister head |
FILL HD |
|
finished floor
level |
FFL |
|
fire
extinguisher |
FE |
|
fire hydrant |
FH |
|
flange |
FLG |
|
flat |
FL |
|
floor level
|
FL |
|
floor waste |
FW |
|
footing |
FTG |
|
footing beam
|
FB |
|
from web face
(steel) |
FWF |
|
full strength
butt weld |
FSBL |
|
|
|
|
G |
|
|
galvanize |
GALV |
|
galvanized
corrugated iron |
GCI |
|
galvanized iron |
GI |
|
galvanized-iron
pipe |
GIP |
|
general
arrangement |
GA |
|
general-purpose
outlet |
GPO |
|
geometric
reference frame |
GRF |
|
glass
reinforced concrete |
GRC |
|
grade |
GR |
|
grid |
GD |
|
ground level |
GL |
|
ground line |
GL |
|
ground plane |
GP |
|
|
|
|
H |
|
|
head |
HD |
|
heater |
HTR |
|
height |
HT |
|
hexagon |
HEX |
|
hexagon head |
HEX HD |
|
hexagon-socket
head |
HEX SOC HD |
|
high
pressure |
HP |
|
high strength |
HS |
|
high-tensile
steel |
HTS |
|
horizontal |
HORIZ or HOR |
|
hot plate |
HP |
|
hot water
system |
HWS |
|
|
|
|
I |
|
|
inspection
opening |
IO |
|
intersection
point |
IP |
|
inside diameter |
ID |
|
internal |
INT |
|
international
standard organisation |
ISO |
|
invert level
|
IL |
|
|
|
|
J |
|
|
japanese industry
standard |
JIS |
|
joint
|
JT |
|
junction |
JUNC |
|
|
|
|
K |
|
|
key joint |
K.J. |
|
kilo watt hour (metre)
|
KWh |
|
kilohertz |
kHz |
|
kitchen sink |
KS |
|
|
|
|
L |
|
|
laundry trough
|
LT |
|
least material
condition |
LMC |
|
left hand |
LH |
|
length |
LG |
|
liquid petroleum
gas |
LPG |
|
local area
network |
LAN |
|
longitudinal |
LONG |
|
|
|
|
M |
|
|
machine |
M/C |
|
main distribution
frame (Telecommunications) |
MDF |
|
malleable iron |
MI |
|
manufacturer |
MFR |
|
material |
MATL |
|
maximum |
MAX |
|
maximum
material condition |
MMC |
|
measuring point |
MP |
|
mechanical |
MECH |
|
megahertz |
MHz |
|
metres |
m |
|
mild steel |
MS |
|
millimetres |
mm |
|
minimum |
MIN |
|
miscellaneous
|
MISC |
|
modification |
MOD |
|
modulus of
elasticity |
E |
|
modulus of
section |
Z |
|
moment of
inertia |
I |
|
mounting |
MTG |
|
movement joint
|
M.J. |
|
mushroom head |
MUSH HD |
|
|
|
|
N |
|
|
near side |
NS |
|
negative |
NEG |
|
network |
NET |
|
new zealand
standard |
NZS |
|
nominal |
NOM |
|
nominal bore |
NB |
|
nominal size |
NS |
|
normally closed
|
NC |
|
not shown on plan |
N.S.O.P.
|
|
not to scale |
NTS |
|
number |
No |
|
|
|
|
O |
|
|
octagon
|
OCT |
|
optional |
OPT |
|
other side flat |
OSF |
|
outside
diameter |
OD |
|
overall |
OA or O/A |
|
|
|
|
P |
|
|
parallel |
PAR |
|
parallel flange
channel |
PFC |
|
part |
PT |
|
pattern |
PATT |
|
picture plane |
PP |
|
pin-up board |
PUB |
|
pipe |
P |
|
pipeline |
PL |
|
pitch-circle
diameter |
PCD |
|
phosphor bronze
position |
PH BRZ |
|
plain
galvanised iron |
PGI |
|
plasterboard |
PBD |
|
plate |
PL |
|
ploy vinyl
chloride |
PVC |
|
portable document
format |
PDF |
|
position |
POSN |
|
positive |
POS |
|
prefabricated
|
PREFAB |
|
pressure |
PRESS |
|
pressure angle |
PA |
|
pressure tapping |
PT |
|
|
|
|
Q |
|
|
quantity |
QTY |
|
|
|
|
R |
|
|
radius |
RAD |
|
raised
countersunk head |
RSD CSK HD |
|
rectangular |
RECT |
|
rectangular
hollow section |
RHS |
|
reduced level
or relative level
|
RL |
|
reference |
REF |
|
refrigerator |
R |
|
regardless of
feature size |
RFS |
|
reinforced |
REIN |
|
reinforcement
|
REINF |
|
required |
REQD |
|
revision |
REV |
|
right hand |
RH |
|
robe recess |
RR |
|
rockwell
hardness A |
HRA |
|
rockwell
hardness B |
HRB |
|
rockwell
hardness C |
HRC |
|
rolled-hollow
section |
RHS |
|
rolled-steel
angle |
RSA |
|
rolled-steel
channel |
RSC |
|
rolled-steel
joist |
RSJ |
|
roughness value |
Ra |
|
round |
RD |
|
round head |
RD HD |
|
|
|
|
S |
|
|
sanitary disposal
unit |
SDU |
|
schedule |
SCHED |
|
section |
SECT |
|
sheet |
SH |
|
shower |
SHR |
|
similar |
SIM |
|
sink |
S |
|
sketch |
SK |
|
spherical |
SPHER |
|
spigot |
SPT |
|
spotface |
SF |
|
spring steel |
SPR STL |
|
square |
SQ |
|
square hollow
section |
SHS |
|
stainless steel
(corrosion-resistant steel) |
CRES or SS |
|
stainless steel
sink |
SSS |
|
stand pipe |
SP |
|
standard |
STD |
|
steel |
ST |
|
steel angle
|
L |
|
strip footing
|
SF |
|
structural level
|
SL |
|
structural slab
level |
SSL |
|
switch |
SW |
|
|
|
|
T |
|
|
tangent point |
TP |
|
taper flange
channel |
TFC |
|
television |
TV |
|
temperature |
TEMP |
|
terrazzo |
TRZO |
|
thick |
THK |
|
this side flat |
TSF |
|
thread |
THD |
|
tie beam |
TB |
|
tolerance |
TOL |
|
top |
T |
|
top off |
TO |
|
trough |
TR |
|
true position |
TP |
|
true profile |
TP |
|
typical |
TYP |
|
|
|
|
U |
|
|
unequal angle
(steel) |
UA |
|
undercut |
UCUT |
|
underground |
UG |
|
underside |
US |
|
universal beam
(steel) |
UB |
|
universal
column (steel)
|
UC |
|
unless otherwise
noted |
UON |
|
urinal |
URL or UR |
|
|
|
|
V |
|
|
vanishing point |
VP |
|
vanity |
V |
|
vertical |
VERT |
|
volume |
VOL |
|
|
|
|
W |
|
|
walk-in robe |
WIR |
|
wall oven |
WO |
|
wash trough |
WT |
|
washing machine |
WM |
|
water closet
(toilet) |
WC |
|
water proof
|
WP |
|
water-proof
membrane |
WPM |
|
welded beam
(steel) |
WB |
|
welded column
(steel) |
WC |
|
wide area Network
|
WAN |
|
work point |
WP |
|
working drawing |
WD |
|
wrought iron |
WI |
|
|
|
|
Y |
|
|
yield point |
YP |
|
|
|
|
Z |
|
|
z shaped steel
purlin |
Z |