| |
|
AASHO |
American
Assn. of State Highway Officials |
|
ABS |
acrylonitrile
butadiene styrene |
|
AC |
alternating
current |
|
AISC |
American
Institute of Steel Construction Inc. |
|
APP |
attactic
polypropylene |
|
ASHRAE |
American
Society of Heating, Refrigerating and Air Conditioning Engineers |
|
ASME |
American
Society of Mechanical Engineers |
|
ASTM |
American
Society for Testing Materials |
|
AWPA |
American
Wood Products Association |
|
AWWA |
American
Water Works Association |
|
Ba |
bay |
| Bdle |
bundle |
|
BF |
board
foot |
| BHP |
boiler
horsepower |
| Btr |
better |
|
Btu |
British
thermal unit |
| B
& W |
black
& white |
|
C |
thermal
conductance |
|
C |
one
hundred |
|
CF |
cubic
foot |
| CFM |
cubic
feet per minute |
| CLF |
100
linear feet |
|
cm |
centimeter |
|
CPE |
chlorinated
polyethylene |
| CPM |
cycles
per minute |
|
CPVC |
chlorinated
polyvinyl chloride |
| CSPE |
chloro
sulphinated polyethylene |
| CSF |
100
square feet |
|
CY |
cubic
yard |
|
d |
penny |
|
D |
depth |
|
DC |
direct
current |
|
dia |
diameter |
| DSB |
double
strength B quality glass |
| DWV |
drain,
waste, vent piping |
|
Ea |
each |
|
EMT |
electric
metallic tube |
|
EPDM |
ethylene
propylene diene monomer |
|
equip. |
equipment |
|
exp. |
exposure |
|
F |
Fahrenheit |
|
FAA |
Federal
Aviation Administration |
|
FICA |
Federal
Insurance Contributions Act (Social Security, Medicare tax) |
|
FOB |
freight
on board |
| FPM |
feet
per minute |
|
FRP |
fiberglass
reinforced plastic |
|
FS |
Federal
Specification |
|
FUTA |
Federal
Unemployment Compensation Act Tax |
| Gal |
gallon |
| GFCI |
ground
fault circuit interruptor |
|
GPH |
gallon(s)
per hour |
|
GPM |
gallon(s)
per minute |
|
H |
height |
|
HP |
horsepower |
|
Hr(s) |
hour(s) |
|
IMC |
intermediate
metal conduit |
|
ID |
Inside
diameter |
|
KD |
kiln
dried or knocked down |
| KSI |
kips
per square inch |
|
KV |
kilovolt(s) |
| KVA |
1,000
volt amps |
|
kw |
kilowatt(s) |
|
kwh |
kilowatt
hour |
|
L |
length |
|
Lb(s) |
pound(s) |
|
LF |
linear
foot |
|
LP |
liquified
propane |
|
LS |
lump
sum |
|
M |
one
thousand |
|
Mb |
million
bytes (characters) |
| MBF |
1,000
board feet |
| MBtu |
1,000
British thermal units |
| MCM |
1,000
circular mils |
| MDO |
medium
density overlaid |
|
MH |
manhour |
|
Mi |
mile |
| MLF |
1,000
linear feet |
| MPH |
miles
per hour |
|
mm |
millimeter(s) |
|
Mo |
month |
| MSF |
1,000
square feet |
|
NEMA |
National
Electrical Manufacturer’s Association |
|
NFPA |
National
Fire Protection Association |
| No. |
number |
| NRC |
noise
reduction coefficient |
|
OC |
spacing
from center to center |
|
OD |
outside
diameter |
|
OS
& Y |
outside
screw & yoke |
|
oz |
ounce |
|
perf |
perforated |
|
Pr |
pair |
| PSF |
pounds
per square foot |
| PSI |
pounds
per square inch |
|
PV |
photovoltaic |
|
PVC |
polyvinyl
chloride |
|
Qt |
quart |
|
R |
thermal
resistance |
| R/L |
random
length(s) |
| R/W/L |
random
widths and lengths |
|
RPM |
revolutions
per minute |
| RSC |
rigid
steel conduit |
|
S1S2E |
surfaced
1 side, 2 edges |
|
S2S |
surfaced
2 sides |
|
S4S |
surfaced
4 sides |
|
Sa |
sack |
|
SBS |
styrene
butyl styrene |
| SDR |
size
to diameter ratio |
|
SF |
square
foot |
| SFCA |
square
feet of form in contact with concrete |
|
Sq |
100
square feet |
| SSB |
single
strength B quality glass |
| STC |
sound
transmission class |
|
Std |
standard |
|
SY |
square
yard |
|
T |
thick |
| T&G |
tongue
& groove edge |
|
TV |
television |
|
UBC |
Uniform
Building Code |
|
UL |
Underwriter’s
Laboratory |
| USDA |
United
States Dept. of Agriculture |
|
VLF |
vertical
linear foot |
|
W |
width |
|
Wk |
week |
|
W/ |
with |
|
x |
by
or times |
| Symbols |
|
|
/ |
per |
|
— |
through
or to |
|
@ |
at |
|
% |
per
100 or percent |
|
$ |
U.S.
dollars |
|
' |
feet |
|
" |
inches |
|
# |
pound
or number |
