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A list of common engineering abbreviations and terms used in blueprints and drawings. It includes abbreviations related to engineering, measurement, and construction. useful for engineering students, architects, and construction professionals who need to read and interpret blueprints and drawings. It provides a quick reference guide to help them understand the meaning of common abbreviations and terms used in the industry.
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A/C - Air Conditioning AFL - Above Floor Level or Above Finished Level AGL - Above Ground Level BOF - Bottom of Foundation BHK - Bedroom, Hall, Kitchen BRW - Brick Retaining Wall BT - Bath Tub or Boundary Trap CAD - Computer Aiden Design CCTV - Closed Circuit TeleVision CONT - Continuous DP - Downpipe DWG - Drawing ELEC - Electrical EWB - Electric Water Boiler FL - Floor Level FOC - Fiber Optic Cable FS - Far Side FTG - Footing GIS - Geographic Information System LAN - Local Area Network
MISC – Miscellaneous NSOP - Not Shown On Plan NTS - Not To Sale REF - Reference REINF - Reinforcement REQ'D - Required REV - Revision RL - Reduced Level or Relative Level SAN - Sanitary SDU - Sanitary Disposal Unit RHS - Rectangular Hollow Section SF - Strip Footing SHS - Square Hollow Section SIM - Similar SL - Structural Level SSL - Structural Slab Level TB - Tie Beam WAN - Wide Area Network WC - Water Closet WD - Working Drawing WP - Water Point or Work Point
AB - As Built AC - Alternating Current CHS - Circular Hollow Section CLG - Control Joint COL - Column
QTY - Quantity RFQ - Request For Qoute TFC - Taper Flange Channel TO or T.O or T. OFF - Top Off VA - Value Analysis UON or UNO - Unless Otherwise Noted or Unless Noted Otherwise
AA - Aluminum Association AC - Asphalt Concrete AG - Agricultural Pipe Drain BLK - Block Work BSP - British Standard Pipe CFW - Continuous Fillet Weld FSBW - Full Strength Butt Weld FTP- Fibre Termination Panel (fibre optical cable) FW- Fillet Weld HR- Hot Rolled HV-Vickers Hardness LGX- Line Group Cross (Connector, fibre optical cable) LPG-Liquid Petroleum Gas MS - Mild Steel PL- Plate SS or S/S- Stainless Steel TC Tungsten Carbide
TUN-Tundish UA-Unequal Angle (steel) UB -Universal Beam (steel) UC-Universal Column (steel) WB-Welded Beam (steel) WC- Welded Column (steel) Z-Zulu (Greenwich Mean Time) or Z- shaped steel purlin
A - Ampere AHU - Air Handler Unit APPROX - Approximately ASCI American Standard Code for Information Interchange BTM - Bottom CL - Center Line CLR - Clearance CMU - Cement Masonry Unit CTR - Center DN - Diameter Nominal EQ - Equal FL - Fluid Foot - Fobot HOR or HORIZ - Horizontal kHz-Kilohertz KWh - KiloWatt Hour (metre) LH - Left Hand