TECHNICAL SPECIFICATIONS FOR ELECTRIC WORKS

Component Marking and Identification

Group: General specifications

Subject: Component Marking and Identification

0 JAN 2022 First Issue

Rev. Date Description/issued for

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 1 of: 22
 INDEX

TECHNICAL SPECIFICATIONS FOR ELECTRIC WORKS .................................................. 1

1 SCOPE.............................................................................................................................. 3
2 GENERAL PROJECT LOCATION ............................................................................. 3
3 IDENTIFYING PARAMETERS ................................................................................... 3
3.1 Single lines, drawings........................................................................................................ 3
3.2 Electrical equipment .......................................................................................................... 4
3.3 Pipe Works ........................................................................................................................ 5
3.4 Indicating Lamps ............................................................................................................... 5
3.5 Switchgear ......................................................................................................................... 6
3.6 Switchgear Bays ................................................................................................................ 9
3.7 Transformers ..................................................................................................................... 9
3.8 Bus Coupler ....................................................................................................................... 9
3.9 Bus Sectionalizer ............................................................................................................... 9
3.10 Future/Spare GIS Feeders ................................................................................................. 9
3.11 Panel, Cubicles, and other Assemblies ............................................................................ 10
3.12 Cabling and Wiring Terminals ........................................................................................ 12
3.13 Power Cable Phase Marking ........................................................................................... 12
3.14 Control/CT & VT Cable Core Marking .......................................................................... 12
4 DRAWING SYMBOLS, ABBREVIATIONS AND
NOMENCLATURES .................................................................................................... 13
5 DOCUMENTS, DRAWINGS AND CORRESPONDENCE
IDENTIFICATION SYSTEM CSD ............................................................................ 13
APPENDIX A PRIMARY SUBSTATION & GRID STATION NAMING ............................ 18

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 2 of: 22
 1 SCOPE
This specification will provide the information for the identification of assets implemented in the network.
It must be used for the assets and nameplates, unless otherwise specified in the associated component
specifications, to ensure a consistent and uniform numbering and identification of system components. It
must stay functional under the specified climatic conditions of which it is purchased, during the expected
minimum designed lifetime of 30 years.

2 GENERAL PROJECT LOCATION

The country Abu Dhabi.
Location of Abu Dhabi City 24° 25’ 40” N, 54° 27’ 59” E
Location of Al Ain City 24° 13’ 13” N, 55° 45’ 32” E

Altitude above Sea Level  1,000 m

Table 1
3 IDENTIFYING PARAMETERS
Unless otherwise explicitly specified in the associated specifications the following will be applicable for
single line diagrams, plant, equipment and nameplates
3.1 Single lines, drawings
Letter Corresponding with Designation
code Color RAL BS 381 C
H Nominal/Operating Voltage 33kV Green 6024 221
J Nominal/Operating Voltage 22kV Pink 4010 381 C
K Nominal/Operating Voltage 11kV Brown 8002 309
L Nominal/Operating Voltage 6kV
N Nominal/Operating Voltage <1kV Black 9005
P
Q Facilities for measuring and metering
R Facilities for Protection
T Facilities for Transformers
U Facilities for Control, Signaling and Auxiliary Equipment
W Facilities for Control Rooms
X Central Facilities, e.g. Process Computers, Alarm Systems
Y Facilities for Telecommunication
Z Lifting Gears and appliances
Table 2

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 3 of: 22
 3.2 Electrical equipment
Description RAL Color
33 kV, 22kV and 11 kV Switchgear 7047 Tele grey
LV Switchgear 7032 Pebble grey
Ring Main Unit (RMU) 7032 Pebble grey
Pillar 7032 Pebble grey
Transformers 7032 Pebble grey
Cable Trays 7032 Pebble grey
Control or Protection Panels 7032/7035 Pebble grey
Cranes 1018 Grey beige
Cubicles 7032 Pebble grey
Push-buttons (START/ON) * White
Push-buttons (EMERGENCY)* Red
Push-buttons (STOP/OFF) * Black
Push-buttons (ABNORMAL)* Yellow
Push-buttons (NORMAL)* Green
Push-buttons (MANDATORY)* Blue
Indicator Lights (EMERGENCY)* Red
Indicator Lights (ABNORMAL)* Yellow
Indicator Lights (NORMAL)* Green
Indicator Lights (MANDATORY)* Blue
Indicator Lights (NEUTRAL)* White
Fans (cooling air fans and filter casings) 9006 White aluminium
Fire Fighting Equipment 3000 Flame red
Ladder, Stairs, Handrails, etc. 5009 Azure blue
Mechanical Equipment 5018 Turquoise blue
Motors 7032 Pebble grey
Structural Steel and Auxiliary Steel Works 5009 Azure blue
Tanks 9006 White aluminium
Valves 9006 White aluminium
Vessels 9006 White aluminium
Lifting Gears and appliances 6010 Gras Green
Table 3
* according to IEC 60204-1: Safety of machinery - Electrical equipment of machines - Part 1:
General requirements.

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 4 of: 22
 3.3 Pipe Works
All pipework shall be painted in accordance with the following color code:

Subject Color
Compressed Air Blue
SF6 gas Yellow, with additional individual color band every 300 mm for each
separate gas zone.
Fire Water Signal Red
Diesel Fuel Oil Light Brown
Lubricating Oil Dark Brown
Table 4
3.4 Indicating Lamps
Indicating lamp glasses shall, unless otherwise specified or approved conform to the following
standard color code:
Color Class of Indication Examples
Red Circuit breaker or contactor ON Energized or operative position
Green Circuit breaker of contactor OFF Un-energized or inoperative position or permit
to close signals
White Lamps normally alight Healthy or normal condition e.g. voltage
healthy, trip supply healthy, equipment in
normal service etc. Also, safe conditions i.e.
busbar or circuit dead in synchro schemes.
Amber Alarm indication on which action is Faulty or abnormal condition e.g. transformer
necessary over-temperature, charger fail, circuit breaker
tripped due to fault etc.
Blue Indication of operation of other equipment Circuit breaker closing springs charged, tap
and those which operate intermittently changer in progress etc.
Yellow Position of selector switch CB under "local" or "remote" control
Table 5

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 5 of: 22
 3.5 Switchgear
The following Identification Codes are applicable in TAQA/ADDC/AADC/ T&D systems.
Type of Equipment Identification Code
Circuit Breaker S* Q 0
Bus Section Isolator
Section: Bus Bar 1A – 1B S* Q 1 1 Q 1 2
Section: Bus Bar 2A – 2B S* Q 2 1 Q 2 2
Section: Bus Bar 1B – 1C S* Q 1 1 Q 1 2
Section: Bus Bar 2B – 2C S* Q 2 1 Q 2 2
Bus Coupler Isolator
Bus Bar 1 S* Q 1
Bus Bar 2 S* Q 2
Voltage Transformer Isolator
Bus Section 1A S* Q 6 1
Bus Section 2A S* Q 6 2
Bus Section 1B S* Q 6 3
Bus Section 2B S* Q 6 4
Bus Section 1C S* Q 6 5
Bus Section 2C S* Q 6 6
VT Feeder S* Q 6 9
Earth Switch
Line Feeder S* Q 8
Reactor Feeder S* Q 8 1
Maintenance Earth Switch
Normal
Earth Switch1 (between BB isolator & CB) S* Q 5 1
Earth Switch2 (between CB and Line Isolator) S* Q 5 2
3-position Busbar & Line Isolators
Maintenance Earth Switch 1 (toward S*Q1) S* Q 5 1 Q 5 7
Maintenance Earth Switch 2 (toward S*Q2) S* Q 5 2 Q 5 8
Maintenance Earth Switch 3 (toward S*Q9) S* Q 5 3 Q 5 9
Maintenance Earth Switch 1 (33/22kV) S* Q 5 4
Maintenance Earth Switch 2 (33/22kV) S* Q 5 5
Isolator
Line S* Q 9
Reactor S* Q 9 1
Table 6

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 6 of: 22
 Type of Equipment Identification Code
Busbar Earth Switch
Bus Section 1A S* Q 1 5
Bus Section 1B S* Q 1 6
Bus Section 1C S* Q 1 7
Bus Section 1D S* Q 1 8
Bus Section 2A S* Q 2 5
Bus Section 2B S* Q 2 6
Voltage Transformer
BB 1A & BB 1 T 1 5
BB 1B T 1 6
BB 1C T 1 7
BB 2A & BB 2 T 2 5
BB 2B T 2 6
BB 2C T 2 7
Table 7

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 7 of: 22
 Client: ADDC/ AADC
STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 8 of: 22
 3.6 Switchgear Bays
Switchgear bays in Substations shall be unambiguously designated. The designation shall be
preceded by the prefix "=", indicating a higher-level designation, followed by an uppercase Latin
letter indicating the voltage level (H,J,K), and a two-digit serial Arabic number. The serial numbers
shall reflect the physical arrangement of the switchgear bays within the plant, and the first number
assigned shall take into account the possibility of maximum future extension of the plant while
sequence of numbers shall be maintained at the time. For instance, if the possibility exists in future
to extend the Switchgear by three bays on the side of the lowest bay number, this shall be
designated "04".
The switchgear bay serial numbering sequence shall be from left to right. (View from the Local
Control Cubicle (LCC) to the switchgear).
3.7 Transformers
The following Identification Codes are applicable:
• 2-winding normal transformers Txyy.....
x reflects Winding Number of Transformer
yy reflects Transformer Nos.:
1,2,3,4,5,6,7,8,9 for 132/11 and/or 132/33 Transformers (same for 132/22)
• Auxiliary (Station) transformers TXyy.....
yy reflects Transformer Nos.:
Power Transformer Terminal and Tapping Markings shall be applied as specified in:
IEC/TR 60616 Terminal and tapping marking for power transformers
3.8 Bus Coupler
Bus Coupler: BC xx-yy
xx = Busbar xx
yy = Busbar yy
3.9 Bus Sectionalizer
Bus Sectionalizer: BS xx-yy
xx = Busbar xx
yy = Busbar yy
3.10 Future/Spare GIS Feeders
The following naming criteria shall be considered:
SPARE For GIS bays with physical equipment such as Bus Isolator, CB, Line Isolators, etc.
FUTURE For GIS bay spaces only without any physical equipment.

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 9 of: 22
 3.11 Panel, Cubicles, and other Assemblies
All panels, cubicles, and any assembly, which cannot be disassembled without destroying its
function, shall be unambiguously designated. The Location shall be identified by the prefix "+",
followed by an uppercase Latin letter for the location type identification (e.g. for protection
cubicle, auxiliary supply cubicle, control cubicle etc.), and an Arabic serial number. The serial
numbers shall reflect as far as possible the physical arrangement of the equipment.
Items within panels and cubicles shall be identified by the prefix "-", followed by an uppercase
Arabic letter indicating the type of item, and an Arabic serial number, reflecting as far as possible
the items physical arrangement.
Labels or marks for items within panels and cubicles, bearing the equipment designation, shall be
attached with the surface on which the item is mounted, as well as with the item itself.
Panel Designation Samples are shown in the following part of the Standard Technical
Specification, Part 1
For more Details, please refer also to the following part of the Standard Technical Specification,
S-GEN -ENC Cubicles & Enclosures
The following letter codes shall be used for the designation of equipment location as per DIN
40719, Part 2.
Letter Equipment
Code
A Circuit-Breaker Accessories
B Multiply, Re-Position, Decouple
C Instrument Transformer Accessories
D Compressor Air, Hydraulic
J Automatic, Closed-Loop Control
L Simulating Network, Voltage Selection
M Measurement
N System Services
P Recorder
Q Metering
R Protection
S Synchronizing
T Transformers
U Auxiliary
V Main, Secondary Busbars, etc.
W Display, Operation, Supervision
X Alarm System
Y Telecommunication
Table 8 Designation of Equipment Locations

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 10 of: 22
 The following letter codes shall be used for the designation of kind of item (as per IEC 81346)
Letter Kind of item Examples
code
A Assemblies, subassemblies Amplifier using discrete components, magnetic
amplifier, laser, maser, printed circuit board
B Transducers, from non-electrical to Thermoelectric sensor, thermo cell, photoelectric cell,
electrical quantity or vice versa dynamometer, crystal transducer, microphone, pick-
up, loudspeaker, earphone, synchro, resolver
C Capacitors
D Binary elements, delay devices, Digital integrated circuits and devices, delay line, bi-
storage devices stable element, monostable element, core storage,
register, recorder
E Miscellaneous Lighting device, heating device, device not specified
elsewhere in this table
F Protective devices Fuse, over-voltage discharge device, arrester
G Generators, power supplies Rotating generator, rotating frequency converter,
battery, oscillator, quartz-oscillator
H Signalling devices Optical indicator, acoustical indicator
K Relays, contactors
L Inductors, Reactors Induction coil, line trap, reactors (shunt and series)
M Motors
N Analogue elements Operational amplifier, hybrid analogue/digital device
P Measuring equipment, testing Indicating, recording and integrating measuring
equipment devices, signal generator, clock
Q Switching devices for power circuits Circuit breaker, disconnector (isolator)
R Resistors Adjustable resistor, potentiometer, rheostat, shunt,
thermistor
S Switching devices for control circuits, Control switch, push button, limit switch, selector
selectors switch, dial contact, connecting stage
T Transformers Voltage transformer, current transformer
U Modulators, changers (of electrical Discriminator, demodulator, frequency changer,
quantities) coder, inverter, converter
V Tubes, semiconductors Electronic tube, diode, transistor, thyristor
W Transmission paths, cables, busbars, Conductor, cable, busbar, waveguide, waveguide
waveguides, aerials directional coupler, dipole, parabolic aerial
X Terminals, plugs, sockets Connecting plug and socket, clip, test jack, terminal
board, soldering terminal strip, link, cable sealing end
and joint
Y Electrically operated mechanical Brake, clutch, pneumatic valve
device
Z Termination, bifurcator, hybrid
transformers, filters, equalizers,
limiters
Table 9 Identification of Equipment

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 11 of: 22
 Letter Code Kind of Signal
A Alarm
C Control
M Tele Measurement
S Status
Table 10 Identification of Signals
3.12 Cabling and Wiring Terminals
All cabling and wiring terminals shall be clearly and unambiguously labelled or marked with
Arabic numbers or lowercase Latin letters, which shall be reflected in the drawings in the same
manner, preceded by the prefix ":" where necessary for clarity.
Terminal blocks shall be designated by the prefix "-" and the uppercase letter "X", and a serial
number. Labels with the terminal block designation shall be firmly attached with the terminal
block itself, or with the surface on which the terminal block is mounted.
All labels and marks shall be easily legible and un-removable by accidental action, as well as
durable under all operational conditions.
3.13 Power Cable Phase Marking
Phases shall, unless otherwise specified or approved conform to the following standard color code:
Color Conductor Marking
Red Phase 1 – L1 (R, U, u)
Yellow Phase 2 – L2 (S, V, v)
Blue Phase 3 – L3 (T, W, w)
Black Neutral – N
Green and Yellow Protective Conductor
Wiring in Buildings shall follow BS 7671: “Requirements for Electrical Installations. IET Wiring
Regulations”
Color Conductor Marking
Red Phase 1 – L1
Yellow Phase 2 – L2
Blue Phase 3 – L3
Black Neutral – N
Green and Yellow Protective Conductor
3.14 Control/CT & VT Cable Core Marking
Cable Type Number of Cores Core Color Core Identification
Control Multiple White Black Number
CT & VT 4 Red, Yellow, Blue & Black N/A

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 12 of: 22
 4 DRAWING SYMBOLS, ABBREVIATIONS AND NOMENCLATURES
Drawing Symbols, Abbreviations and Nomenclatures shall meet requirements specified in IEC
60617 and IEC 61082.
5 DOCUMENTS, DRAWINGS AND CORRESPONDENCE IDENTIFICATION
SYSTEM CSD

P O S T L

Ordinal section P is a four-digit number, which stands for TAQA/ADDC/AADC number of the
project. Accordingly, all documents/drawings for the total PROJECT will have at the beginning
of their CSD-Code the number: 5555
P O S T L

Ordinal section O is a group of two letters (capitals) standing for the ORIGINATOR of the
particular document/drawing.
For a PROJECT the following symbols for the first letter (CSD position 5) for the Originator could
be used:
A OWNER
B
C
D
E
The second letter (CSD Position 6) can be related to the individual PARTS of the PROJECTS and
shall be applied as follows:
For Correspondence
A General Requirements
B Switchgear & Protection
C Transformers/Reactors/Resistors
D Metering Devices
E Substation Auxiliary Equipment
F Overhead Transmission & Distribution Lines
G Cables and Accessories
H SCMS-SCADA/RTU-FMS
I Communication
J Power Compensation
K Earthing/Lightning
L Fire Fighting
M Civil Works
N Electromechanical Services
O Street Lighting
P Corrosion Protection and Painting Color Codes
Q Cubicles & Enclosures
Client: ADDC/ AADC
STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 13 of: 22
 P O S T L

Ordinal section S is a four-digit number and identifies the subject dealt with in the relevant
drawing.
Preference shall be given to the following numbers:
5100 Civil Construction Structures
7000 Substation General
7100 Switchgears
7200 D. C. and A. C. Systems
7300 Transformers, Reactors, Capacitors, Converters
7400 Generators, Motors, Drives
7500 Cables
7600 Transmission Lines
7700 Electrical Control Rooms
7800 Ancillary Systems
7900 Communication Systems
Refer as well to the underlined numbers in attachment
P O S T L

The letter (capital) forming ordinal section T defines the type of document or drawing. These
letters to be used when establishing CSD-Code numbers are the following:
A Correspondence with TAQA/ADDC/AADC/AADC / OWNER
B Correspondence with Bidders/Contractors of TAQA/ADDC/AADC/AADC/Customer, etc.
C Correspondence with contracting parties (except A) concerning the implementation of the
PROJECT, e.g.: Banks, Insurance, CONSULTANT, Authorities
D Correspondence with others, without any contractual relationship as described under C above
E Internal correspondence of CONSULTANT for matters of any kind, including notes and file
notes, travel reports and internal meeting reports, e.g.: within the Head Office, with the Site
Office(s)
F Contracts and orders of any kind
G Reports of any kind, e.g.: Project Reports, Studies, Expert's Opinion, Memoranda, Work
Reports, Progress Reports, Meeting Reports
H Technical Specifications of any kind
J Calculations, Graphs, Curves
L Test procedures, certificates, schedules
M Manuals, Plant/Process Descriptions, Operating Instructions
N Overall lay-out plans, Plot Plans, topographic maps
P Layout Arrangement and Installation Drawings of existing Plants and Installations, e.g.: civil
buildings, installations, mechanical and electrical equipment, switchyards, Loading and
Foundation Drawings, overhead lines, etc.
Q Arrangement Drawings, Layout Drawings, Loading Diagrams, Control Room Proposals,
Switchgear Lay-outs
Client: ADDC/ AADC
STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 14 of: 22
 R Principle and Schematic Diagrams: Single Line Diagrams, Flow Diagrams, P & I Diagrams,
Block Diagrams, Flow Balance Diagrams, Instrumentation and Control Diagrams, Logic
Diagrams, Functional Diagrams, Switching Diagrams (single phase)
S Design/Construction- and Detail Drawings: Dimensional Drawings, Workshop Drawings,
Civil Construction Drawings, Architectural Drawings, Erection Drawings, Plans/Sections
and Elevations, Fabrication Drawings, Isometrics
T Detail Connection and Installation Drawings, e.g.: Switching Drawings (3 phase), Circuit
Diagrams, Cable Layout (in Buildings), Wiring Diagrams, Sequence diagrams, Interlocking
diagrams
U Routing and profile drawings for overhead transmission lines, Cable routes, Profile drawings
V Civil Drawings general, Shuttering Drawings
W Reinforcement drawings, bar bending drawings/lists
X Computer Programmes, Time Schedules and Networks, Organization Diagrams
Y Cash Flow / Time Schedules, Capacities/Costs
Z General Information, Administration, Organigrams

P O S T L
For drawings, ordinal section L is a three-digit number from 001 to 999 (current number) and the
revision index of the drawing from A to Z, I and O being excluded in order to avoid possible
misunderstandings or mistakes.

In order to achieve an independent numbering for the different lots and subjects, the
Bidder/Contractor shall elaborate a list of all subjects for which individual series of drawing
numbers shall be used e.g. each individual subject of this list shall start with the next current
number, such as e.g.:
001 - 100 for HV Switchgear
101 - 200 for MV Switchgear
201 - 300 for LV Switchgear
301 - 400 for Capacitor Bank
401 - 500 for Station Services
501 - 600 for Control, Protection and Metering
601 - 700 for Cables
701 - 800 for OHTL
801 - 900 for Transformer
etc.
For letters, documents, etc., i.e. for correspondence the four digits of the Ordinal Section L shall
be used as a current number of letters, documents, reports and telexes starting with the number
0001.
The letter numbers shall be current numbers, starting at 0001, i.e. without considering different
Ordinal Sections "S" and "T" of the CSD-code.

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 15 of: 22
 ATTACHMENT
Classification System of Documents (CSD) List of Subject Number for Drawings and
Documents
CSD Number SUBJECT
0000 SUPERORDINATED PROJECT MANAGEMENT
1000 CALCULATIONS
1100 Stability
1200 Load Flow
1300 Transmission Capacities
2000 PROGRAMMING, SOFTWARE
3000 MECHANICAL EQUIPMENT (SUBSTATIONS)
3100 Gantry Cranes
3200 Lifts
3300 H.V.A.C. Systems
3400 Ventilation Systems
3500 Fire Fighting Systems
5000 CIVIL AND STRUCTURAL ENGINEERING
5100 Civil Construction Structures
5110 Finishing
5200 Switchgear Building with electrical Control Room
5300 SF6-Switchgear Building
5400 Transformer Foundations
5500 Miscellaneous Civil Works
7000 ELECTRICAL INSTALLATIONS
7100 Switchgears
7110 HV Switchgear
7120 MV Switchgear
7130 LV Switchgear
7200 D. C. and A. C. Systems
7210 Battery Chargers
7220 Batteries
7300 Transformers, Reactors, Capacitors, Converters
7310 Theoretical Fundamentals, Design
7320 High Voltage and Medium Voltage Transformers
7330 Low Voltage Power transformers
7340 Transformer Accessories
7350 Reactors
7360 Capacitors
7370 Converters (Thyristor)
7400 Generators, Motors, Drives
7500 Cables
7510 HV Cables
Client: ADDC/ AADC
STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 16 of: 22
 7520 MV Cables
7530 LV Cables
7540 Cables for Instrumentation, Control and Telecommunication
7550 Cable Accessories
7560 Cable laying
7600 Transmission Lines
7610 Towers
7620 Foundations
7630 Sagging
7640 Insulators
7650 Conductors
7660 Accessories (Fittings, Clamps, etc.)
7700 Electrical Control Rooms
7710 Control Panels
7720 Synoptic Mosaic Panels
7730 Local Control Centers
7740 Auxiliary Cubicles
7750 Marshalling racks
7800 Ancillary Systems
7810 Lighting and Small Power Installations
7820 Earthing Systems
7830 Lightning Systems
7900 Communication Systems
7910 Telephone Installations
7920 Power Line Carrier Systems/Installations
7930 Telex and Telecopy (FAX) Installations
7940 Wireless transmission Systems
8000 INSTRUMENTATION AND CONTROL TECHNIQUE
8100 Process Peripheral Equipment
8200 Instrumentation and Closed-Loop Control Systems, Metering
8300 Alarm Annunciating, Open-Loop Control & Protection Systems
8400 Electronic Data Processing Installations, Hardware
8500 Operator Interface, Control Room Technique
8600 Data Transmission and Information Systems
8680 Telecontrol Installation
8690 Fault Indication, Status of Operation and Dispatch System
9000 PROTECTION SYSTEMS
9100 Protection System for Mechanical Installations
9200 Protection Systems for Electrical Installations
9300 Instrument Transformers (CT, VT)

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 17 of: 22
 APPENDIX A PRIMARY SUBSTATION & GRID STATION NAMING
Note:
* The Prefix ‘New’ is temporary where the Substation will be upgraded and have the original
Substation Name.
Extra writing between brackets following the Substation Name is not part of the Substation Name,
but explanatory.
Abu Dhabi Island west
Name Short Name ADDC Spectrum Name
1 MARKET 1 MKT1 W01PRY
2 MARKET MRKT W02PRY
3 KHALIDIYA KLDY W09PRY
4 AL JAZEIRA HOSPITAL JZRH W13PRY
5 BATEEN BATN W39PRY
6 BATEEN BUS STATION BSTN W17PRY
7 MUSHRIF MSHF W24PRY
8 NEW BATIN * BATN W39PRY
9 ARABIAN GULF GLFA W47PRY
10 EMBASSIES EMBS W59PRY
11 NEW MUSHRIF MSHF W24PRY2
12 GREAN HEAD (132/11) GRHD W-41
Abu Dhabi Island east
Name Short Name ADDC Spectrum Name
1 MADINAT ZAYED MDZD E04PRY
2 CAPITAL GARDEN CPGR E08PRY
3 FIRDOUS FRDS E09PRY
4 ZAYED 2ND STREET ZYD2 E11PRY
5 PORT PORT E14PRY
6 TOURIST CLUB TCLB E15PRY
7 CLINIC SALAM CLNC E16PRY
8 AL SALM ALSM E18PRY
9 FALAH FLAH E18PRY2
10 QURM QURM E19PRY
11 HIGHER TECHNOLOGY COLLEGES HTCO E25PRY
12 BEACH (400, 220 & 132) BECH E48PRY
13 KALIPHA PARK (132/11) KHPK E48PRY2
14 DANET (132/22/11) DANT E-40
15 SOUQ SOUQ E-1

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 18 of: 22
 Abu Dhabi Island
Name Short Name ADDC Spectrum Name
1 ABU DHABI PS ADPS OLDADPS
2 ABU DHABI STATION ADST NEWADPS
3 CONFRENCE PALACE HOTEL CONH CONFPRY
4 MARINA MALL MRML MRMLPRY
5 KHLIFA B City (132/11) KHBB -

Saadiyat Island
Name Short Name ADDC Spectrum Name
1 SAADIYAT Grid (400/132/22) SDYT SDTGPRY1
2 SAADIYAT A (132/22) SDAA
3 SAADIYAT B (132/22) SDBB SDTGPRY4
4 SAADIAYT C (132/22) SDCC
5 SAADIYAT D (132/22) SDDD

Yas Island
Name Short Name ADDC Spectrum Name
1 YAS ISLAND (132/22) YASI YASPRY1

Reem Island
Name Short Name ADDC Spectrum Name
1 REEM REEM REEMGPRY1
2 REEM Dev RMDV REEMGPRY3
3 SOROUH SRUH REEMGPRY2

Raha Beach
Name Short Name ADDC Spectrum Name
1 RAHA BEACH A (132/22) RBAA
2 RAHA BEACH B (132/22) RBBB RAHPRY1

Industrial City Abu Dhabi

Name Short Name ADDC Spectrum Name
1 ICAD Grid (400/132/33) ICAD
2 ICAD A (220/33) ICAA
3 ICAD B (220/33) ICBB
4 ICAD C (220/33) ICCC
5 ICAD D (220/33) ICDD

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 19 of: 22
 Mainland
Name Short Name ADDC Spectrum Name
1 AIRPORT AIRP ARPPRY1
2 BANAIYAS BYPS
3 MAHAWI MHWG MHWGPRY
4 MADINAT KHALEEFA MDKH KHAPRY1
5 MOSSAFAH (132kV) MOS1 MOSPRY
6 TAWEELAH ASIA NEW EXTENSION TANE
7 TAWEELAH A 132 TWPSA
8 TAWEELAH A1 POWER TWPSA1
9 TAWEELAH B 132 TWPSB
10 MUSSAFAH (400kV & 220kV) MOSG MOSGPRY
11 SALT & CHLORINE SLTC SLTCPRY
12 SHAHAMA EAST SHME SHEPRY
13 SAMHA SMHG SMHGPRY
14 TAWEELAH TWPS TWLPRY
15 UMM AL NAR UNPS
16 WATHBA (old 220kV) WATH WTBPRY
17 LABOR CITY MOBILE (Mafreq N-582.1) LCMO WTGPRY2
18 MUSSAFAH GIC GRID STATION MGIC MGICPRY
19 CENTRAL GRID STATION CNTG CNTGPRY
20 BAHYA GRID (400/132) BHYG BAHPRY
21 BAHYA 132 BHYG
22 SAS AL NAKHEL (New UNPS) SASN
23 BIN Al JESEREAN S18 JSRN S18PRY1
24 RUMAITH (ADCO) RMTH
25 DHABIYA (ADCO) DBYA
26 KHALEEFA II A (KHLFA B (132/11)) MKBB SE44PRY1
27 SHAMKA MOBILE 1 1SMK SMKGPRY1
28 SHAMKA MOBILE 2 2SMK SMKGPRY3
29 KHAZNA GRID KHZG KHZGPRY

Abu Dhabi Emirate Western Region

Name Short Name ADDC Spectrum Name
1 GAYATHY GTHY GTHYPRY
2 LIWA WEST LWST LWSTGPRY2
3 RUWAI RUWS RWSGPRY1
4 SHUWAIHT (400kV & 220kV & 132kV) SHPS
5 SILA SILA SILGPRY1
6 TAKREER (ADNOC) ADNC

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 20 of: 22
 Abu Dhabi Emirate Central
Name Short Name ADDC Spectrum Name
1 MIRFA MRFA MRFGPRY1
2 MIRFA Power Station MRPS
3 MADINAT ZAYED (WR) WMZD MZGPRY1
4 BU HASA 220kV BHSA
5 BAB 220kV BAAB
6 ASAB ASAB
7 HAMEEM MOBILE S/S HMMO LWAGPRY3
8 LIWA LIWA LIWAGPRY
9 ASAB Gas Development II ASGS
10 ASAB Gas Development III ONGS
11 QUSAHWIRA (ADCO) QSWM

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 21 of: 22
 Al Ain Area

Name Short Name

1 AL AIN P.S. AAPS
2 AL AIN SOUTH WEST ASWG
3 AL ERAAD ARDG
4 AL HAYER AHYG
5 AL KHAZNA KHZG
6 AL OHA AOHG
7 AL WAGAN AWGG
8 CITY CENTER CTCC
9 DAHMA DHMG
10 MAZIYAD MZDG
11 RAMAH RMAG
12 SALAMAT SLMG
13 SANAIYA SNYG
14 SWEIHAN SWHG
15 ZAKHER ZAKG
16 AL AIN INDUSTRIAL CITY 1 AIAA
17 AL AIN INDUSTRIAL CITY II AIBB
18 AL AIN INDUSTRIAL CITY III AICC

GCC
Name Short Name
1 AL WASIT (OMAN) WAST
2 QIDFA (Fujairah) QDFA
3 DHAID (Sharjah) DHID
4 AL AWIR (Dubai) HSTA
5 SAJJA (Sharjah) SAJA
6 QIDFA (P. Station) (Fujairah) FIPS
7 DELMA DLMA
8 MAHDAH (Oman) MHDA
9 FILAYAH (Ras Al Khaimah) FILA
10 KHOR KHWAIR KHRK
11 TAWYEEN TWYN

Client: ADDC/ AADC

STANDARD TECHNICAL SPECIFICATIONS FOR ELECTRICITY DISTRIBUTION WORKS
Title: COMPONENT MARKING AND IDENTIFICATION
DOCUMENT NO: S-GEN-ID-00.DOCX Rev: 0-2022 Sheet: 22 of: 22