Acronyms and Abbreviations in Engineering

ممكن اعرف يعني ايه الأختصارات اللي في الصورة 

FFL - Finished Floor Level   مستوي البلاط و التشطيب

SSL - Structural Slab Level  مستوي الانشائي

يبقي التطسيب لديك في اللوحه 5 سم

و للافادة باقي الاختصارات

 

AA - Ampere A/C - Air Conditioning A/H - After Hours 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 AHU - Air Handler Unit APPROX - Approximately AS - Australian Standard ASCII - American Standard Code for Information Interchange ATF - Along Top Flange B B - Basin or Bottom 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. CCTV - Closed Circuit TeleVision CFW - Continuous Fillet Weld CHS - Circular Hollow Section CL - Center Line CLG - Control Joint CLR - Clearance CMU - Cement Masonry Unit CNJ - Construction Joint COL - Column COMMS - Communications CONN - Connection CONT - Continuous CS - Cleaners Sink CT - Controller CTR(S) - Centre/S CTRL - Control CTRS - Centers CU - Dental Cuspidor CVR - Cover °C - Degrees Celsius D DAR - Dressed All Round DD - Design Drawing DIA - Diameter DIM - Dimension DN - Diameter Nominal DP - Down Pipe DR - Dryer DW - Dishwasher DWG - Drawing DWG(S) - Drawing/S E EA - Equal Angle (steel) EF - Each Face EL - Elevated Level EL - Elevation ELEC - Electrical EQ - Equal EQUIP - Equipment EW - Each Way EWB - Electric Water Boiler EWC - Electric Water Cooler F FB - Footing Beam F'c - Characteristic Concrete Strength FCU - Fan Coil Unit FFL - Finished Floor Level FL - Floor Level FOC - Fibre Optic Cable FS - Far Side FSBL - Full Strength Butt Weld FTG - Footing FTP - Fibre Termination Panel (fibre optical cable) FW - Fillet Weld FWF - From Web Face (steel) G GALV - Galvanized GCI - Galvanized corrugated iron. GIS - Graphic Information System GSM - Global System of Moblie or "Groupe Speciale Mobile" in French H H - Prewash Hose Reel HOR - Horizontal HORIZ - Horizontal HP - High Pressure HWB - Hair Wash Basin I ID - Inside Diameter IE - Invert Elevation IL - Invert Level IO - Inspection Opening IP - Intersection Point ISO - International Standard Organisation J JIS - Japanese Industry Standard K kHz - Kilohertz K.J. - Key Joint KS - Kitchen Sink KWh - Kilo Watt Hour (metre)

LL - Steel Angle LAN - Local Area Network LGX - Line Group Cross (Connector, fibre optical cable) LH - Left Hand LPG - Liquid Petroleum Gas LT - Laundry Trough M m - Metres (English) or Meters MAX - Maximum MDF - Main Distribution Frame (Telecommunications) MFR - Manufacturer MHz - Megahertz Micky Mouse - A toy project, of very low quality. 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 P PCD - Pitch Circle Diameter PFC - Parallel Flange Channel PL - Plate PT - Pressure Tapping PVC - Ploy Vinyl Chloride Q QTY - Quantity R R - Radius RAD - Radius or radial REF - Reference REINF - Reinforcement REQ'D - Required REV - Revision RH - Right Hand RHS - Rectangular Hollow Section RL - Reduced Level or Relative Level S S - Sink SAN - Sanitary SDU - Sanitary Disposal Unit SF - Strip Footing SHR - Shower SHS - Square Hollow Section SIM - Similar SQ - Square SS or S/S - Stainless Steel SL - Structural Level SSL - Structural Slab Level STD - Standard T T - Top TB - Tie Beam TEMP - Temperature TFC - Taper Flange Channel THK - Thick TO or T.O. or T.OFF - Top Off TR - Laundry Trough TUN - Tundish TYP - Typical U U/S - Under Side UA - Unequal Angle (steel) UB - Universal Beam (steel) UC - Universal Column (steel) UNO - Unless Noted Otherwise (UON is prefered) UON - Unless Otherwise Noted UR - Urinal V VER - Vertical VERT - Vertical W WAN - Wide Area Network WB - Welded Beam (steel) WC - Welded Column (steel) WC - Water Closet (toilet) WC(P) - Water Closet With 'P' Trap WC(S) - Water Closet With 'S' Trap WD - Working Drawing WM - Washing Machine WP - Water Proof or Work Point X X - By. Example, "N12 x 1200 long" also means "N12 by 1200 long". Y Z Z - Zulu (Greenwich Mean Time) Z - Z shaped steel purlin Special Characters °C = Degrees Celsius Ø = Diameter '# = Number