Acronyms and Abbreviations in Engineering - Draftsperson.net

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Acronyms and Abbreviations in Engineering From Draftsperson.net Complied by Allan Wise, based in Australia Created 7-July-2004 Revised 20-Nov-2004 Revised 20-Dec-2005 Revised 16-August-2006 A

L

A - Ampere

L - Steel Angle

A/C - Air Conditioning

LAN - Local Area Network

A/H - After Hours

LGX - Line Group Cross (Connector, fibre optical cable)

AB - As Built AEC - Architecture, Engineering, and Construction AFL - Above Floor Level AFL - Above Finished Level AG - Agricultural pipe drain AGL - Above Ground Level AHD - Australian Height Datum

LT - Laundry Trough

m - Metres (English) or Meters MAX - Maximum

MFR - Manufacturer

AS - Australian Standard

MHz - Megahertz

ASCII - American Standard Code for Information Interchange

Micky Mouse - A toy project, of very low quality.

BLDG - Building BNS - Business Network Services BOT - Bottom BQ - Bendable Quality BSP - British Standard Pipe BT - Bath Tub BT - Boundary Trap BTM - Bottom BW - Both Ways C C - C shaped steel purlin C/C - Cross Centres C.J. - Control Joint (or Construction Joint) CAD - Computer Aided Design. Less commonly use is Computer Assisted Drafting.

MIN - Minimum MISC - Miscellaneous M.J. - Movement Joint mm - Millimetres MS - Mild Steel N NC - Normally Closed NET - Network No. - Number NOM - Nominal NS - Near Side N.S.O.P. - Not Shown On Plan NTS - Not To Scale NZS - New Zealand Standard O OA or O/A - Overall OD - Outside Diameter OPT - Optional

CCTV - Closed Circuit TeleVision

P

CFW - Continuous Fillet Weld

PCD - Pitch Circle Diameter

CHS - Circular Hollow Section

PFC - Parallel Flange Channel

CL - Center Line

PL - Plate

CLG - Control Joint

PT - Pressure Tapping

CLR - Clearance

PVC - Ploy Vinyl Chloride

CMU - Cement Masonry Unit

Q

CNJ - Construction Joint

QTY - Quantity

COL - Column

R

COMMS - Communications

R - Radius

CONN - Connection

RAD - Radius or radial

CONT - Continuous

REF - Reference

CS - Cleaners Sink

REINF - Reinforcement

CT - Controller

REQ'D - Required

CTR(S) - Centre/S

REV - Revision

CTRL - Control

RH - Right Hand

CTRS - Centers

RHS - Rectangular Hollow Section

CU - Dental Cuspidor

RL - Reduced Level or Relative Level

CVR - Cover

S

°C - Degrees Celsius

S - Sink

D

SAN - Sanitary

DAR - Dressed All Round

SDU - Sanitary Disposal Unit

DD - Design Drawing

SF - Strip Footing

DIA - Diameter

SHR - Shower

DIM - Dimension

SHS - Square Hollow Section

DN - Diameter Nominal

SIM - Similar

DP - Down Pipe

SQ - Square

DR - Dryer

SS or S/S - Stainless Steel

DW - Dishwasher

SL - Structural Level

DWG - Drawing

SSL - Structural Slab Level

DWG(S) - Drawing/S

STD - Standard

E

T

EA - Equal Angle (steel)

T - Top

EF - Each Face

TB - Tie Beam

EL - Elevated Level

TEMP - Temperature

EL - Elevation

TFC - Taper Flange Channel

ELEC - Electrical

THK - Thick

EQ - Equal

TO or T.O. or T.OFF - Top Off

EQUIP - Equipment

TR - Laundry Trough

EW - Each Way

TUN - Tundish

EWB - Electric Water Boiler

TYP - Typical

EWC - Electric Water Cooler

U

F

U/S - Under Side

FB - Footing Beam

UA - Unequal Angle (steel)

F'c - Characteristic Concrete Strength

UB - Universal Beam (steel)

FCU - Fan Coil Unit

UC - Universal Column (steel)

FFL - Finished Floor Level

UNO - Unless Noted Otherwise (UON is prefered)

FL - Floor Level

UON - Unless Otherwise Noted

FOC - Fibre Optic Cable

UR - Urinal

FS - Far Side

V

FSBL - Full Strength Butt Weld

VER - Vertical

FTG - Footing

VERT - Vertical

FTP - Fibre Termination Panel (fibre optical cable)

W

FW - Fillet Weld

WAN - Wide Area Network

FWF - From Web Face (steel)

WB - Welded Beam (steel)

G

WC - Welded Column (steel)

GALV - Galvanized

WC - Water Closet (toilet)

GCI - Galvanized corrugated iron.

WC(P) - Water Closet With 'P' Trap

GIS - Graphic Information System

WC(S) - Water Closet With 'S' Trap

GSM - Global System of Moblie or "Groupe Speciale Mobile" in French

WD - Working Drawing

H H - Prewash Hose Reel HOR - Horizontal

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M

APPROX - Approximately

B - Basin or Bottom

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LPG - Liquid Petroleum Gas

AHU - Air Handler Unit

B

Draftsperson.net

LH - Left Hand

MDF - Main Distribution Frame (Telecommunications)

ATF - Along Top Flange

Aggregate Provider - Any Job. Any Size. On-Time.

WM - Washing Machine WP - Water Proof or Work Point X

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HORIZ - Horizontal

X - By. Example, "N12 x 1200 long" also means "N12 by 1200 long".

HP - High Pressure

Y

HWB - Hair Wash Basin

Z

I

Z - Zulu (Greenwich Mean Time)

ID - Inside Diameter

Z - Z shaped steel purlin

IE - Invert Elevation

Special Characters

IL - Invert Level

°C = Degrees Celsius

IO - Inspection Opening

Ø = Diameter

IP - Intersection Point

'# = Number

ISO - International Standard Organisation J JIS - Japanese Industry Standard K kHz - Kilohertz K.J. - Key Joint KS - Kitchen Sink KWh - Kilo Watt Hour (metre)

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