1.6 ABBRE VIATI ONS : (March 2021, Aug. 2021, Sept. 2022, Aug.

2023, June 2024)

As symt?ols are necessa ry for Civil Engine ering Drawin gs, abbrevi ations are also require d for civil
enginee ring drawing s. Importa nt abbrevi ations recomm ended by Indian Standar ds Institut e (ISI) arc given
below :
'•
Detail Abbreviation Detail Abbrev iation

A C
Alumin ium AL Cement Concre te cc
Aggreg ate AGG Cement Mortar CM
Asbesto s ASB Cement CEM
.
B Cast Iron CI
Bench Mark BM Cross section cs
Brick bat cement concret e BBCC Column COL
.
Brick bat Lime concret e BBLC Chain CH
Brickw ork BWK Coursed Rubble Masonr y CRL
Bitume n BIT Centre to Centre CIC
 Detail A-reviation Detail Abbreviation
Centimeter cm Ground water table GWT
Cubic centrimeter cm 3 H
Cubic meter 3 cu.m
m, Height HT
Corrugated CORR High Flood Level HFL
Centreline CL High Tension Steel HTS
Concrete CONC High Voltage HV
D High Water Mark HWM
Damp Proof Course DPC Horse power hp
Drawing DRG I
Diameter DIA,~ Inspection chamber IC
Degree deg. oo Intercepting trap IT
Door D Internal INT
E K
Elevation EL Kilowatt kW
Embankment EMB Kilometer per hour km/h
External EXT Kilogram kg
F L
Full Supply Level FSL Length I
Figure FIG. Level crossing LC
Finished Floor Level FFL Longitudinal section LS
Fire hydrant FH Low water level LWL
Formation level FL Left hand LH
Floor Space Index FSI Lime mortar LM

Floor Area Ratio FAR M

Floor trap Ff Manhqle MH

Flushing sistern FC Maximum Flood Level MFL

Fresh Air Inlet FAI Mean Sea Level MSL

Full tank level FfL Mild Steel MS

G Meter m

Galvanized Iron GI Millimeter mm

Gully. G Miligram mg

ORT Minimum min

Grease trap
Micron mi, µ
Gully trap GT
GL N
Ground level
North N
Gram g
GWP Number NO
Glazed water pipe

CED ENG \ 2025 \ 5

 Not to scale
p
Deta il Abb revia tion
NTS
Deta il
Spec ifica tion
Stop valve
Abb revia tion
SPEC
SV
SG
--
~

Pres tress ed conc rete PCO NC Stree t gully

Stan dard level SL
Plain Cem ent Conc rete PCC .
Stan dard wire gaug e SWG
Part s Per milli on ppm
Plate Squa re SQ
PL
Perc ent Stan dard datu m SD
%
R Stan dard Std

Rain Wate r Pipe RWP Spig ot and sock et s & s

Railw ay RLY Swit ch SW

Rain wate r outle t RWO T

Rand om Rubb le Maso nry RRL Tee T
Redu ced Leve l RL Tele phon e Post TP

Refe renc e REF tonne t

Rein force d Cem ent Conc rete RCC V

Risin g Main RM Vent ilato r V
Righ t hand RH Volu me Vol
Road level RDL Vent pipe VP
Roll ed steel Joist RSJ Volt V

Roun d RD w
Repr esen tativ e Frac tion RF Wast e pipe WP

Radi us RAD Wast e and vent pipe W & VP

Revo lutio n Per minu te rpm Wate r close t WC

Rand om Rubb le RR Watt w

Watt -hou r Wt
s
SP Wrou ght Iron WI
Soil Pipe
Sluic e Valv e SV Wind ow w
SN y
Sink
Soil and Vent Pipe S & VP Yard Gully YG