| abbreviation | ABBR |
| absolute | ABS |
| acceleration | ACCEL |
| access opening | AO |
| access panel | AP |
| accordance with | A/W |
| accumulator | ACC |
| acoustic | ACST |
| acrylic | ACRY |
| acrylonitrile butadiene styrene | ABS |
| active | A |
| addendum | ADD |
| adhesive | ADH |
| aggregate | AGGR |
| agricultural | AG |
| agricultural pipe drain | APD |
| airblast circuit-breaker | ABCB |
| air condition | AIR COND |
| air valve | AV |
| alternating current | AC |
| amendment | AMDT |
| American National Standards Institute | ANSI |
| anhydrous | ANHYD |
| approximate | APPROX |
| aqueous | AQ |
| arrangement | ARRGT |
| asbestos | ASB |
| assembly | ASSY |
| Association Francaise de Normalization | AFNOR |
| assumed datum | ASSD |
| atmosphere | ATM |
| audio frequency | AF |
| automatic | AUTO |
| auxiliary | AUX |
| average | AVG |
| baffle | BAF |
| baseplate | BPL |
| basin | B |
| bath | BTH |
| bearer | BRR |
| bearing | BRG |
| benchmark | BM |
| bitumen | BIT |
| bitumen lined | BL |
| block | BLK |
| board | BD |
| boiling water unit | BWU |
| bottom | BOT |
| boundary trap | BT |
| bracket | BRKT |
| brass | BRS |
| brick | BK |
| brickwork | BWK |
| Brinell hardness number | HB |
| British Standards Institution | BSI |
| bronze | BRZ |
| bucket | BKT |
| building | BLDG |
| building line | BL |
| bulkhead | BHD |
| bullnose | BN |
| cabinet | CAB |
| cadmium plated | Cd PL |
| calculated | CALC |
| canopy | CAN |
| cantilever | CANT |
| capacity | CAP |
| casing | CSG |
| cast iron | CI |
| cast iron pipe | CIP |
| cast steel | CS |
| caulking | CLKG |
| cavity | CAV |
| cement | CEM |
| cement lined | CL |
| centre-line | CL |
| centre of gravity | CG |
| centre-to-centre, centres | CRS |
| cheese head | CH HD |
| chamfer | CHAM |
| channel | CHNL |
| chrome-plated | CP |
| chute | CH |
| circle | CIRC |
| circuit | CCT |
| circuit-breaker | CB |
| circular hollow section | CHS |
| circumference | CIRC |
| clear glass | CG |
| clock | CK |
| closed-circuit television | CCTV |
| coating | CTG |
| coefficient | COEF |
| cold-rolled steel | CRS |
| cold water | CW |
| cold-water tank | CWT |
| column | COL |
| composition | COMPO |
| compression | COMP |
| computer-aided design/drafting | CAD |
| computer-aided engineering | CAE |
| computer-aided manufacture | CAM |
| concentrated | CONC |
| concentric | CONC |
| concrete | CONC |
| concrete block | CB |
| concrete ceiling | CC |
| concrete floor | CF |
| constant | CONST |
| construction | CONSTR |
| construction joint | CJ |
| contact adhesive | CA |
| contour | CTR |
| control valve | CV |
| coordinating | COORD |
| corner | CNR |
| corrected | CORR |
| corrosion resistant (material) | CR |
| corrugated | CORR |
| corrugated galvanized steel | CGS |
| countersink | CSK |
| countersunk head | CSK HD |
| crest | CST |
| critical | CRIT |
| cross recess head | C REC HD |
| crown (of road) | CRN |
| cup head | CUP HD |
| current transformer | CT |
| cut-off valve | COV |
| cylinder | CYL |
| damp-proof course | DPC |
| dead load | DL |
| detail | DET |
| diagonal | DIAG |
| diagram | DIAG |
| diameter | DIA* |
| inside diameter | ID |
| nominal diameter | DN |
| outside diameter | OD |
| diamond pyramid hardness number (Vickers) | HV |
| dilute | DIL |
| dimension | DIM |
| Deutsches Institut fur Normung | DIN |
| direct current | DC |
| disconnector trap | DT |
| distance | DIST |
| distribution switchboard | DSB |
| drain | DR |
| drawing | DRG |
| dwelling | DWG |
| each | EA |
| earth (electrical wiring) | E |
| earthenware | EW |
| earthenware pipe | EWP |
| easement | EMT |
| educt vent | EV |
| effective | EFF |
| efficiency | EFF |
| effluent | EFF |
| electric, electrical | ELEC |
| electromotive force | EMF |
| elevation | ELEV |
| engine, engineering | ENG |
| equivalent | EQUIV |
| estimate | EST |
| existing | EXST |
| expansion | EXP |
| expansion joint | EJ |
| external | EXT |
| extra-high voltage | EHV |
| extra-low voltage | ELV |
| extrude | EXTD |
| fibre-reinforced plastic | FRP |
| figure | FIG |
| fillister head | FILL HD |
| finished floor height | FFHT |
| finished ground height | FGHT |
| fire alarm | FA |
| fire detector | FD |
| fire extinguisher | FE |
| fire hose rack/reel | FHR |
| fire hydrant | FH |
| fire indicator panel | FIP |
| fire plug | FP |
| fire resistant | FR |
| fire service pipe | FSP |
| fire water service | FWS |
| flange | FLG |
| flat | FL |
| floor | FLR |
| floor height | FHT |
| floor sump | FS |
| flush fitting | FF |
| forward | FWD |
| framework | FWK |
| frequency | FREQ |
| audio frequency | AF |
| high frequency | HF |
| intermediate frequency | IF |
| low frequency | LF |
| medium frequency | MF |
| ultra-high frequency | UHF |
| very-high frequency | VHF |
| frequency modulated | FM |
| galvanize | GALV |
| galvanized iron | GI |
| galvanized iron pipe | GIP |
| garage | GAR |
| gas cock | GC |
| gas main | GM |
| gas meter | GM |
| gas turret | GT |
| gate valve | GV |
| general arrangement | GA |
| general purpose outlet | GPO |
| geometric reference frame | GRF |
| grade | GR |
| grease trap | GT |
| grid | GD |
| ground | GND |
| ground height | GHT |
| group | GP |
| gully disconnector trap | GDT |
| gully pit | GP |
| gully trap | GT |
| hand | HD |
| hard | HD |
| hardboard | HBD |
| hardcore | HC |
| hardwood | HWD |
| head | HD |
| cheese | CH HD |
| cross recess | C REC HD |
| countersunk | CSK HD |
| cup | CUP HD |
| fillister | FILL HD |
| hexagon | HEX HD |
| hexagon socket | HEX SOC HD |
| mushroom | MUSH HD |
| raised countersunk | RSD CSK HD |
| round | RD HD |
| square | SQ HD |
| heater | HTR |
| heavy duty | HD |
| height | HT |
| hexagon | HEX |
| high frequency | HF |
| high pressure | HP |
| high strength | HS |
| high-tensile steel | HTS |
| high voltage | HV |
| circular hollow section | CHS |
| rectangular hollow section | RHS |
| square hollow section | SHS |
| horizontal | HORIZ |
| hose cock | HC |
| hot-rolled steel | HRS |
| hot water | HW |
| hot water unit | HWU |
| hydrant | H |
| hydrant point | HP |
| hydraulic | HYD |
| hydrogen ion exponent | pH |
| include | INCL |
| incorporate | INC |
| indicator | IND |
| induct vent | IV |
| inspection chamber | IC |
| inspection opening | IO |
| inspection pit | IP |
| insoluble | INSOL |
| insulated or insulation | INSUL |
| integrated circuit | IC |
| interceptor trap | IT |
| intermediate frequency | IF |
| internal | INT |
| International Electrotechnical Commission | IEC |
| International Organization for Standardization | ISO |
| International System of Units | |
| (Systeme International d’Unites) | SI |
| intersection point | IP |
| invert | INV |
| invert level (height) | IH |
| isolator | ISOL |
| Japanese Industrial Standards Committee | JISC |
| joint | JT |
| junction | JUNC |
| landing | LDG |
| latent heat | LAT HT |
| least material condition | LMC |
| left hand | LH |
| length | LG |
| level | LEV |
| lining | LNG |
| liquefied natural gas | LNG |
| liquefied petroleum gas | LPG |
| liquid | LIQ |
| live load | LL |
| longitudinal | LONG |
| louvre | LVR |
| low frequency | LF |
| low pressure | LP |
| low voltage | LV |
| lubricate | LUB |
| machine | M/C |
| main switchboard | MSB |
| malleable iron | MI |
| manhole | MH |
| mark | MK |
| masonry | MSRY |
| material | MATL |
| maximum | MAX |
| maximum material condition | MMC |
| mechanical | MECH |
| medium pressure | MP |
| melting point | MP |
| meter (instrument) | M |
| minimum | MIN |
| miscellaneous | MISC |
| mixing value | MV |
| modification | MOD |
| modulus of elasticity | E |
| modulus, section | Z |
| moment of inertia | I |
| mounting | MTG |
| negative | NEG |
| neutral (electrical) | N |
| nickel plated | NP |
| nominal | NOM |
| nominal diameter | DN |
| nominal size | NS |
| North | N |
| not to scale | NTS* |
| number | NO |
| octagon | OCT |
| oil circuit-breaker | OCB |
| oil interceptor trap | OIT |
| opposite | OPP |
| oven | O |
| overall | OA |
| overhead | OH |
| parallel | PAR* |
| parallel flange channel | PFC |
| part | PT |
| partition | PTN |
| passivate | PASS |
| pattern | PATT |
| pedestal | PED |
| per annum | PA |
| phase | PH |
| pipe | P |
| pipeline | PL |
| phosphor bronze | PH BRZ |
| plasterboard | PBD |
| plate glass | PG |
| plywood | PLY |
| pneumatic | PNEU |
| polytetrafluoroethylene | PTFE |
| polyvinyl acetate | PVA |
| polyvinyl chloride | PVC |
| portion | PORT |
| position | POSN* |
| positive | POS |
| potential difference | PD |
| precast | PC |
| precipitate (noun) | PPT |
| prefabricated | PREFAB |
| preliminary | PRELIM |
| pressure | PRESS |
| pressure-relief pipe | PRP |
| printed circuit board | PCB |
| printed wiring board | PWB |
| push-button | PB |
| quantity | QTY |
| radius | RAD* |
| recovery peg | RP |
| rectangular | RECT |
| rectangular hollow section | RHS |
| reference | REF |
| reference line | RL |
| reference mark | RM |
| reflux valve | RV |
| reinforced concrete | RC |
| reinforced-concrete pipe | RCP |
| reinforcement | REINF |
| relative humidity | RH |
| relief valve | RV |
| required | REQD |
| right hand | RH |
| right of way | ROW |
| road | RD |
| Rockwell hardness | HRA |
| AB | HRB |
| C | HRC |
| rolled-steel angle | RSA |
| rolled-steel channel | RSC |
| rolled-steel joist | RSJ |
| round | RD |
| runnel | R |
| safety valve | SV |
| satin chrome plated | SCP |
| schedule | SCHED |
| screw | SCR |
| section | SECT |
| septic tank | ST |
| sewer | SEW |
| sewer drain | SD |
| sewer vent | SV |
| sewer vent pipe | SVP |
| sheet | SH |
| sketch | SK |
| soakage pit | SKP |
| socket | SOC |
| solution | SOLN |
| specification | SPEC |
| spherical | SPHER* |
| spigot | SPT |
| spring steel | SPR STL |
| sprinkler | SPR |
| square | SQ |
| square head | SQ HD |
| square hollow section | SHS |
| standard | STD |
| standard temperature and pressure | STP |
| station | STA |
| steam trap | ST |
| steel | STL |
| sterilizer | STER |
| stopcock | SC |
| stop tap | ST |
| stop valve | SV |
| stormwater drain | SWD |
| stormwater pit | SWP |
| straight | STR |
| street | ST |
| structural floor level | SFL |
| surface level | SL |
| switch | SW |
| switchboard | SWBD |
| symmetry | SYM |
| tangent point | TP |
| tank water level | TWL |
| telephone | TEL |
| television | TV |
| temperature | TEMP |
| tensile strength | TS |
| thermoplastic insulated | TPI |
| thread | THD |
| time switch | TS |
| tolerance | TOL |
| tough plastics sheathed | TPS |
| tough rubber sheathed | TRS |
| transformer | XFMR |
| transmitter | TX |
| transverse | TRANSV |
| true position | TP* |
| true profile | TP* |
| typical | TYP |
| ultimate | ULT |
| ultra-high frequency | UHF |
| undercut | UCUT |
| underground | U/G |
| underside | U/S |
| universal beam | UB |
| universal bearing pile | UBP |
| universal column | UC |
| utility | UTIL |
| vacuum | VAC |
| vapour barrier | VB |
| vapour density | VD |
| vapour pressure | VP |
| vent pipe | VP |
| ventilator | VENT |
| verandah | VER |
| vertical | VERT |
| very-high frequency | VHF |
| Vickers hardness | HV |
| vinyl tiles | VT |
| vitrified clay | VC |
| vitrified clay pipe | VCP |
| volume | VOL |
| wallboard | WBD |
| wash trough | WT |
| washing machine | WM |
| waste pipe | WP |
| water gauge | WG |
| water level, waterline | WL |
| water main | WM |
| water meter | WMR |
| waterproof membrane | WPM |
| with (combination form) | W/…….. |
| without | W/O |
| wood | WD |
| wrought iron | WI |
| yield point | YP |
| zinc plated | Zn PLT |