@ | At | COL | Column |
& | And | CONC | Concrete |
ALT | Alternate | CONST JT | Construction Joint |
AREA | American Railway Engineering Association |
COORD | Coordinate |
ASPH | Asphalt | CPVCP | Chlorinated Polyvinyl Chloride Pipe |
ASTM | Amer. Soc. for Testing and Materials | CS | Carbon Steel |
CSP | Carbon Steel Pipe | ||
B | Base Line | CSPP | Carbon Steel Pipe Perforated |
BCCSP | Bituminous Coated Corrugated Steel
Pipe |
CT | Cooling Tower |
BCCSPA | Bituminous Coated Corrugated Steel
Pipe-Arch |
CTR | Cooling Tower Return |
CTS | Cooling Tower Supply | ||
BIT | Bituminous | CW | Cooling Water |
BLDG | Building | CWR | Cooling Water Return |
BM | Bench Mark | CWS | Cooling Water Supply |
BOT | Bottom | ||
B/C | Bottom of Curb | DC | Degree of Curve |
DIA | Diameter | ||
C | Centerline | Deflection Angle | |
CAP | Corrugated Aluminium Pipe | DEPT | Department |
CAPA | Corrugated Aluminium Pipe Arch | DET | Detail |
CB | Catch Basin | DIP | Ductile Iron Pipe |
CHKD PL | Checkered Plate | DISP | Ductile Iron Sewer Pipe |
CJ | Control Joint | DS | Downspout |
CI | Curb Inlet | DWG | Drawing |
DW | Drinking Water | ||
CIP | Cast Iron Pipe | EA | Each |
CISP | Cast Iron Soil Pipe | EDB | Electrical Duct Bank |
CLR | Clear | EC | Electrical Conduit |
CO | Cleanout | EF | Each Face |
EL | Elevation | HW | Headwall |
ELEC | Electric | ||
ESVCP | Extra Strength Vitrified Clay Pipe | IA | Instrument Air |
EW | Each Way | ID | Inside Diameter |
EXIST | Existing | IFA | Issued For Approval |
EXP | Expansion | IFB | Issued For Bids |
EXP JT | Expansion Joint | IFC | Issued For Construction |
EXT | Exterior | IFR | Issued For Review |
INFO | Information | ||
FL | Flow Line | INV | Invert |
FB | Flat Bottom | IE | Invert Elevation |
FES | Flared End Section | IWW | Industrial Waste Water |
FFL | Finished Floor Level | ||
FG | Finished Grade | JB | Junction Box |
FGL | Finished Grade Level | JT | Joint |
FP | Fire Protection | KG | Kilogram |
FRPP | Fiberglass Reinforced Plastic Pipe | ||
FW | Fire Water Line | L | Length (of Curve) |
LG | Long, Length | ||
GA | Gage, Gauge | LM | Linear Meter |
GL | Ground Level | LP | Low Point |
GP | Guard Post | LTP | Light Pole |
GR | Guard Rail | ||
M | Meter | ||
HDPE | High Density Polyethylene | MAX | Maximum |
HORIZ | Horizontal | MECH | Mechanical |
HP | High Point | MH | Manhole |
HVAC | Heating/Ventilating/Air  Conditioning | MIN | Minimum |
MISC | Miscellanous | R | Radius |
MM | Millimeter | RCP | Reinforced Concrete Pipe |
RC | Reinforced Concrete | ||
NG | Natural Gas | REV | Revision |
# OR NO. | Number | REINF | Reinforced |
N2 | Nitrogen | REQD | Required |
NTS | Not To Scale | R/W | Right of Way |
RR | Rail Road | ||
OC | On Center(s) | ||
OD | Outside Diameter | SCH | Schedule |
OPP | Opposite | SD | Strorm Drain |
SECT | Section | ||
SHT | Sheet | ||
PA | Plant Air | SIM | Similar |
PC | Point of Curvature | SPA | Space(s) |
PVC | Point of Vertical Curve | SPG | Process Sewer-Gravity |
PG | Propane Gas | SQ | Square |
PI | Point of Intersection | SWS | Sanitary Waste Sewer |
PIV | Post Indicator Valve | SSFM | Sanitary Sewer-Forced Main |
PITO | Point of Intersection of Turn Out | SS | Stainless Steel |
PP | Power Pole | STA | Station |
PS | Point of Switch | STD | Standard |
PT | Point of Tangency | STL | Steel |
PVCP | Polyvinyl Chloride Pipe | STM | Steam |
PVI | Point of Vertical Intersection | STO | Storage |
PVT | Point of Vertical Tangent | STRL | Structural |
SYM | Symmetrical | ||
QTY | Quantity |
T | Tangent Length |
T/C | Top of Curb |
TOC | Top Of Concrete |
THK | Thick(ness) |
TO | Turnout |
TOP | Top Of Pipe |
TOR | Top Of Rail |
TYP | Typical |
U/G | Underground |
UHDPE | Ultra High Density Polyethylene |
UNO | Unless Noter Otherwise |
VC | Vertical Curve |
VCP | Vitrified Clay Pipe |
VERT | Vertical |
W/ | With |
W/H | Warehouse |
W/O | Without |
WP | Working Point |
WS | Waterstop |
WWF | Welded Wire Fabric |