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KKS HANDBOOK
TABLE of CONTENT
1. Introduction .. .................................................................................................................................... 2
2. Scope of KKS.. ................................................................................................................................... 3
2.1 Type of code............................................................................................................................................3
2.2 Break down levels, prefix and breakdown symbols .............................................................................4
2.3 KKS code................................................................................................................................................5
2.4 Contents of data characters...................................................................................................................5
2.5 Break down level 0.................................................................................................................................6
2.6
Break down level 1.................................................................................................................................6
2.7 Break down level 2.................................................................................................................................7
2.8 Break down level 3.................................................................................................................................8
3. Numbering .. ...................................................................................................................................... 9
3.1 FN numbering.........................................................................................................................................9
3.2 AN numbering ........................................................................................................................................9
3.3 Numbering of valves..............................................................................................................................9
4. Location Code ... ..............................................................................................................................11
4.1
Coding of structures ............................................................................................................................11
5. Identification of Cables ... ...............................................................................................................12
5.1 Cables....................................................................................................................................................12
5.2 Cable numbering .................................................................................................................................12
6. Identification of I&C equipment... .................................................................................................13
6.1 Signal identification.............................................................................................................................13
7. KKS Reference List... ......................................................................................................................15
7.1 Breakdown level 1................................................................................................................................15
7.2
Breakdown level 2................................................................................................................................37
7.3 Breakdown level 3................................................................................................................................45
7.4 Signal reference list .............................................................................................................................48
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1. Introduction
The main purpose of this handbook is to define the methods used by Voith Siemens foridentification in mechanical, electrical, control and instrumentation engineering.For this purpose Voith Siemens has chosen the identification system KKS (G: KraftwerkKennzeichnen System, E: Identification Systems for Power Plants).Voith Siemens has certain guidelines which are within the limits given by VGB (TechnischeVereinigung der Grosskraftwerksbetreiber E.V.). These guidelines apply on thedifferent Break Down Levels (BDL) in the identification system.This KKS-handbook contains certain guidelines made by Voith Siemens.The KKS codes shown in this handbook are only for clarification and can not be useddirectly during any project.The guidelines do not replace the guidelines from VGB, listed in Chapter 1.The compendium of “Directives from the Owner to the Contractor regarding the use ofKKS for Voith Siemens” on the following pages has to be studied carefully prior to any workcarried out in connection with KKS coding.If there are any disputes between the Guidelines and the Handbook, the Handbookshall prevail.In this KKS Handbook there are special rules which apply for Voith Siemens and are notdescribed in the Guidelines.
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2. Scope of KKS
The Identification System for Power Plants “KKS” serves to identify Power Plants,sections of plants and items of equipment in any kind of Power Plants according totask, type and location. It also serves to identify Sub Stations and overhead lines in thesame manner.The KKS key is based on the IEC and ISO standards together with the DIN 40719PART 2 (IEC 750).These KKS guidelines do not contain rules on:
• Combination of the code with other identification systems.• Methods of marking, e.g. in control rooms, local control stations, labelling off
components and identification of documents.• Open text abbreviations.• Identification/numbering of drawings.
The following guidelines and explanations issued by VGB are valid, and where not incontradiction to the handbook, they do apply.
• KKS Guidelines (4th edition 1995)• KKS-Application Commentaries, Part A General (1st edition 1988)• KKS-Application Commentaries, Part B Engineering Discipline,
Part B1, Identification in Mechanical Engineering (1st edition 1988)• KKS-Application Commentaries, Part B Engineering Discipline,
Part B2, Identification in Civil Engineering (1st edition 1988)• KKS-Application Commentaries, Part B Engineering Discipline,
Part B3, Identification in Electrical and Control and Instrumentation Engineering (1st
edition 1988)• KKS-Application Commentaries, Part B Engineering Discipline, Part B4,
Identification in Electrical and Control and Instrumentation Engineering (1st edition1993)
2.1 Type of code
The KKS has three different types of codes, which can be used together or separately.These codes are the process-related code, the point of installation code and thelocation code. These codes are subdivided into 3 and 4 Break Down Levels (BDL).
Process related Code
Process related identification of systems and items of equipment according to theirfunction in mechanical, civil, electrical and control and instrumentation engineering. Asexample there are pipes, pumps, valves, motors, measurements, switches,transformers etc.
Point of installation CodeIdentification of points of installation of electrical and control and instrumentationequipment in installation units e.g. in cabinets, panels, consoles etc.
Location CodeIdentification of various structures, such as dams, tunnels, buildings, floors, and roomsand fire areas.This code is also used in connection with preventive maintenance of buildings and
structures. Further more this code is used to identify the location of mechanical components in thesame manner as the point of installation code is used in electrical- and control and
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instrumentation engineering.
2.2 Break down levels, prefix and breakdown symbols
Definitions for prefixes and breakdown symbols for writing these codes are in DIN40719, part 2.The following fig. 1.1 shows the role of the codes on different BDL´s.
Fig. 1.1 Break Down Levels for various types of codes
The “full stop” breakdown symbol for point of installation identification must always be
written. The prefix symbols may be omitted if the information content of the codesremains unambiguous.In front of these codes there is a BDL −1 and this BDL is used for identification ofPower Plants and Sub Stations. It does not belong to the KKS code issued by VGB, and is not usedby Voith Siemens, (see table 1.1 - 1.4).As an example the following is mentioned:
BDL Area Example KKS-1 Plant Lotru HPP LOTR0 Part of a plant Unit 1 101 System Governor Hydraulic Unit MEX11
2 Equipment (part of system) Pressure Measurement CP1013 Component (part of equipment) Pressure switch -S01
Table 1.1 Example, use of Break Down Levels.
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2.3 KKS code
The KKS code consists of alpha letters (A) and numbers (N). The code is divided in 4
(0-3) BDL´s in the process related code and in 3 (0-2) BDL´s in the point of installationcode and the location code.
BDL 0 1 2 3
DefinitionPart ofplant
System code Equipment unit codeComponent
code
Name G F0 F1 F2 F3 FN A1 A2 AN A3 B1 B2 BN
Type of key (N) N (N) A A A N N A A N N N (A) A A N N
Table 1.2 KKS codes.
2.4 Contents of data characters
It shall be clearly stated that all explanations in this book are related to the processcode unless otherwise specified.In the KKS key the use of the alpha symbols (A) is defined in most cases. Still there aresome codes that are available for free use, see chapters 4.7 and 4.9. The definition ofthe use of numerical symbols (N) is defined in this book, according to the regulationsvalid by Voith Siemens.
The letters I and O are not permitted except on BDL−
1 and BDL 0 in the KKS code, toavoid misunderstanding between I and 1 (one) on one hand and O and 0 (zero) on theother hand.
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2.5 Break down level 0
BDL 0 1 2 3
DefinitionPart ofplant
System code Equipment unit codeComponent
code
Name G F0 F1 F2 F3 FN A1 A2 AN A3 B1 B2 BN
Type of key (N) N (N) A A A N N A A N N N (A) A A N N
Table 1.5 BDL 0.
The KKS key allows the use of alpha- and numerical symbols on BDL 0. The definition ofthe use of numerical symbols (N) is defined in this book, according to the regulations
valid by Voith Siemens.
BDL 0 Description1 Unit 12 Unit 23 Unit 3x Unit x0 Common related
Table 1.6 BDL 0 definition
2.6 Break down level 1
BDL 0 1 2 3
DefinitionPart ofplant
System code Equipment unit codeComponent
code
Name G F0 F1 F2 F3 FN A1 A2 AN A3 B1 B2 BN
Type of key N N (N) A A A N N A A N N N (A) A A N N
Table 1.7 BDL 1.
The first seat in this BDL (F0) is used if there are two or more identical systems in thePower Plant (Sub Station) e.g. main machine sets, which have to be coded separately.When one system is common for more than one main system or there is no systemcounting, the F0 = 0 (zero), else the systems are numbered from 1 to 9. When F0 is not used, it is notwritten in the code. On this BDL (F1, F2, F3) the original KKS key applies. Some keys (F2, F3) in this group are given free for use so that they can be used as itsuits the purpose of coding. This also applies to some keys on BDL 2 (A2) and on BDL 3 (B2).Some keys (F3) in the group of ancillary systems are given free for use to separatesystems in various buildings.The use of these characters has been defined by Voith Siemens, and this is shown in
chapter 7.1The FN numbers are used for coding within the same system. As an example the main
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code for a generator rotor is MKA10 and for a generator stator the main code is MKA20.
2.7 Break down level 2
BDL 0 1 2 3
DefinitionPart ofplant
System code Equipment unit codeComponent
code
Name G F0 F1 F2 F3 FN A1 A2 AN A3 B1 B2 BN
Type of key N N (N) A A A N N A A N N N (A) A A N N
Table 1.8 BDL 2.
In the KKS key equipment is coded/defined by A1, A2 e.g. valves, pumps, switches etc..The AN number is a consecutive number which is used to number identical equipment,which is identified by A1, A2, within the same system.It has been decided by Voith Siemens how these numbers shall be used in case of parallel and serialconnected systems in the mechanical engineering and also in the electricalpart, where 3 phase systems are coded and A3 is used to separate e.g. cores inmeasurement transformers see chapter 4.When A3 is not used, it is not written in the code.
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2.8 Break down level 3
BDL 0 1 2 3
DefinitionPart ofplant
System code Equipment unit codeComponent
code
Name G F0 F1 F2 F3 FN A1 A2 AN A3 B1 B2 BN
Type of key N N (N) A A A N N A A N N N (A) A A N N
Table 1.9 BDL 3.
B1 and B2 are defined in the KKS key and BN is used to number components inside thesame system or equipment.
The coding of electrical components is according to DIN 40719, part 2.
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3. Numbering
The KKS code allows a certain possibility of free/individual use of numbering codeelements. This chapter shows the rules for using the FN and the AN numbers. The rulesdefined here are binding for the KKS coding for Voith Siemens.In some cases it is possible to use some other way of numbering, in those casesVoith Siemens will set the standard for that numbering.The sources for this are the KKS Guidelines from VGB, together with Part A and Part B(booklets B1, B2, B3 and B4) also from VGB.1. Numbering starts again when one of the preceding code elements changes.2. Numbering may be done in units or decades. It depends on the system that’sbeing used.3. Numbering is as a rule in the direction of flow.4. Numbering shall be from left to right or from top to bottom. It is permitted to use
numbering that exists in old Power Plants though it isn’t in the right direction.5. It is preferred to use gaps in the numbering, to simplify later changes.The numbering with FN and AN shall always be in the direction of a flow as often aspossible. If however the flow has two directions, one direction shall be defined as“NORMAL OPERATION”.
3.1 FN numbering
FN numbering is used to divide systems in parts or subsystems. FN is done in decades(10,20,30....etc.) or consecutive (11,12,13,14......etc)
FN
numbering should be minimised. If no further FN
numbering is needed then thedecade 10 should be used in the FN seat.Numbering with FN in large plumbing systems should be clearly divided, e.g. by areas,by levels, by machinery and by large parts of machinery with decade numbering butwith consecutive numbering in parallel connected system.Example of FN numbering is found in chapter 3, Identification in mechanicalengineering. Upper and lower guide valves are numbered in decades (10,20,30 ...) butindividual parts of the guide valves are numbered consecutively (11,12,13 ...).
3.2 AN numbering
AN numbering is used to divide systems in single parts. AN numbering shall be indecades (_10, _20, _30 ….) or in consecutive (_11, _12, _13 …..).For numbering of electrical and pipe line systems separations shall be clear. E.g. usedecade numbering for separation along main branches and use consecutive numberingfor separation along parallel connected branches.
3.3 Numbering of valves
Decades numbering shall be used for valves in a main piping system, 010, 020, 030,etc. when their role/function changes, e.g. when pressure, temperature etc. change.
In sub-piping systems, valves like bypass valves, control valves etc. shall be numbered011, 012, 013.... or 021, 022, 023... etc.
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Consecutive numbering is also used for valves for control circuits, air- and waterdrainage, instrument valves, sampling valves and safety valves. They are numberedwith _01, _02, _11,_12,...etc.The numbering of the following valves shall be grouped by counting in hundreds in the
following way:
0_ _ - valves in main-pipings
1_ _ - valves in precontrol-pipings
2_ _ - valves for filling
3_ _ - valves in measuring-circuits
4_ _ - valves in drainage, discharge and flushing pipings
5_ _ - valves in vent-pipings
6_ _ - valves in sampling pipes7_ _ - safety- valves
8_ _ - condensate-drain-instruments
9_ _ - assembly valves
Numbering of measurement points
Measurement points numbering is consecutive and shall be grouped by the hundredsin the following way:0 _ _ for analog meters with control and alarm purposes. 1 _ _ for digital meters with control and alarm purposes
3 _ _ for indicating local meters, sight-glasses, meters with no control or alarmpurpose and meters which are not connected to remote control
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4. Location Code
4.1 Coding of structures
The location code is used by Voith Siemens to code structures like dams, tunnels, buildingsand part of buildings like rooms etc.The location code is also used to code the location of machinery in a similar way as thepoint of installation code is used for electrical equipment.The KKS code consists of alpha letters (A) and numbers (N). The code is divided inbreakdown levels (BDL´s). The location code has 3 (0-2) BDL´s which are used in asimilar way as the point of installation code.
BDL 0 1 2
DefinitionPart ofplant
Structure code Room code
Name G F0 F1 F2 F3 FN A1 A2 AN A3
Type of key (N) N (N) A A A N N (A) (N) N N (A)
F0 on BDL 1 is used where distinction between systems is needed, either in PowerPlants or in Sub Stations, where more than one identical system exists. When onesystem is common for other systems and identical and there is no system groupingthen F0 is 0, otherwise the systems are numbered from 1 to 9.
All structures coded with the location code have the letter U on BDL 1 ( F1). The nexttwo letters (F2,F3) are normally the two first letters from the process code which istypical or dominating for the structure.An example is a structure for the gates, which has the code ULP, as the gates arecoded on BDL 1, with LP_ in the two first designation places for data characters.The main group of structures should be used in the same manner as the KKS-codedescribes in VGB, book B2.
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5. Identif ication of Cables
5.1 Cables
All cables shall be labelled with the following minimum information on each end of the cable:• Cable number• From information (Location)• The functionality group to which the cable belongs
Identification structure
Breakdown level no. 0 1 2
Breakdown level title Group Location Cable numberType of character (N)N AAANN - N N N N
Example 1 CXA01 - 4 0 0 1
Cable from cubicle 1CXA01Cable number 4001Whole cable-number: 1CXA01-4001
5.2 Cable numbering
Cable shall be numbered sequentially. Numbers shall be issued from a common database to
prevent duplication. The counting number is classified by voltage level.Numbering for breakdown level 2:
0001 to 0999 Power cables > 1 kV
1001 to 1999 Power cables 60 V
3001 to 3499 Measuring cables > 60 V
3501 to 3750 CT-cables > 60 V
3751 to 3999 VT-cables > 60 V
4001 to 4999 Control cables
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6. Identif ication of I&C equipment
6.1 Signal identi fication
General signal designation:
The component code level is used to identify the various signals from measured dataand signal processing identified on the system and equipment levels.
BDL 0 1 2 3
DefinitionPart ofplant
System code Equipment unit code Signal code
Name G F0 F1 F2 F3 FN A1 A2 AN A3 B1 B2 BN
Type of key N N (N) A A A N N A A N N N (A) A A N N
Prefix X, Y or Z Signal range Signal number
The initial letters X, Y and Z have the following meaning:X Signal originsY Signal applications
Z Gated signalsThe signal areas or application areas are identified by the second alpha character B2.The two numerical characters BN specify the individual signal type or application.
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Signal area code letters:
X Z YSignalarea Definition binary/analog Description
x x x A Automatic control (group control, ...) binaryx x B Individual control (drive control, ...) binaryx x C Individual closed-loop control binary/analog not turbine governor, no field signalsx x x D free to usex x x E Excitation signals binaryx x x F Protection signals binaryx x G Contact binary field devicesx x x H Limit value derived from analog values binaryx x x J Black-box signals analogx x x K Black-box signals binaryx x x L Control room and control station signals
x x M static individual or group fault signals binaryx x x N Operating and monitoring signals binaryx x x P Operating and monitoring signals analogx x x Q Analog signals analog field devices, ...x x R Higher-level control binary/analog no field signalsx S Steps of control sequences binaryx x x T Turbine governor signalsx x x U gated signals - free to use binary/analogx x x V gated signals - free to use binary/analogx x x W gated signals - free to use binary/analog
X not available do not useY not available do not useZ not available do not use
The Signals 51 to 99 are the antivalent comparable signals or applications.
For example: XB01 … ON
XB51 … NOT ON
The predefined signal numbers are listed in chapter 7.4 of this document.
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7. KKS Reference List
7.1 Breakdown level 1
A Grid and distribution systemsB Power Transmission and Auxiliary Power SupplyC Instrumentation and control equipmentG Water supply and disposalL Steam, water, gas cyclesM Main machine setsP Cooling water systemsQ Auxiliary systemsS Ancillary SystemsU StructuresX Heavy MachineryZ Workshop and office equipment
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KKS Code
BDL1 Description Remark
Grid and distribution systems Grid and distribution systems
> 420kV-Systems > 420kV-Systems
ABA 420kV-System Unit 1, busbar 1
ABB 420kV-System Unit 2, busbar 2
AB
ABC 420kV-System Feeder, coupling, not busbar 1 nor busbar 2
380 (-420) kV-Sys tems 380 (-420) kV-Sys tems
ACA 380 - 420 kV-System Unit 1, busbar 1
ACB 380 - 420 kV-System Unit 2, busbar 2
AC
ACC 380 - 420 kV-System Feeder, coupling, not busbar 1 nor busbar 2
220 (-245) kV-Sys tems 220 (-245) kV-Sys tems
ADA 220 - 245 kV-System Unit 1, busbar 1
ADB 220 - 245 kV-System Unit 2, busbar 2
ADC 220 - 245 kV-System Feeder, coupling, not busbar 1 nor busbar 2
AD
ADT Transformer General-purpose transformer
110 (-150) kV-Sys tems 110 (-150) kV-Sys tems
AEA 110 - 150 kV-System Unit 1, busbar 1
AEB 110 - 150 kV-System Unit 2, busbar 2
AE
AEC 110 - 150 kV-System Feeder, coupling, not busbar 1 nor busbar 2
AET Transformer General-purpose transformer
60 (-72) kV-Systems 60 (-72) kV-Systems
AFA 60 - 72 kV-System Unit 1, busbar 1
AFB 60 - 72 kV-System Unit 2, busbar 2
AF
AFC 60 - 72 kV-System Feeder, coupling, not busbar 1 nor busbar 2
45 (-50) kV-Systems 45 (-50) kV-Systems
AGA 45 - 50 kV-System Unit 1, busbar 1
AGB 45 - 50 kV-System Unit 2, busbar 2
AG
AGC 45 - 50 kV-System Feeder, coupling, not busbar 1 nor busbar 2
30 (-35) kV-Systems 30 (-35) kV-Systems
AHA 30 - 35 kV-System Unit 1, busbar 1
AHB 30 - 35 kV-System Unit 2, busbar 2
AH
AHC 30 - 35 kV-System Feeder, coupling, not busbar 1 nor busbar 2
20 (-25) kV-Systems 20 (-25) kV-Systems
AJA 20 - 25kV-System Unit 1, busbar 1
AJB 20 - 25kV-System Unit 2, busbar 2
AJ
AJC 20 - 25kV-System Feeder, coupling, not busbar 1 nor busbar 2
10 (-15) kV-Systems 10 (-15) kV-Systems
AKA 10 - 15kV-System Unit 1, busbar 1
AKB 10 - 15kV-System Unit 2, busbar 2
AK
AKC 10 - 15kV-System Feeder, coupling, not busbar 1 nor busbar 2
6 (5) kV-Systems 6 (5) kV-Systems
ALA 5 - 6kV-System Unit 1, busbar 1
ALB 5 - 6kV-System Unit 2, busbar 2
AL
ALC 5 - 6kV-System Feeder, coupling, not busbar 1 nor busbar 2
1 (-3) kV-Systems 1 (-3) kV-Systems
AMA 1 - 3kV-System Unit 1, busbar 1
AMB 1 - 3kV-System Unit 2, busbar 2
A
AM
AMC 1 - 3kV-System Feeder, coupling, not busbar 1 nor busbar 2
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< 1kV-Systems < 1kV-Systems
ANA 500 - 1000V 3-phase system Low voltage switchgear 500-1000V, 3-phase AC
ANB
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AYE Fire alarm system Fire alarm system
AYF Clock system Clock system
AYG Remote control system Remote control system
AYH Telemetry system Telemetry system
AYJ Remote metering system Remote metering systemAYK HF carrier telephone system HF carrier telephone system
AYP Optical monitoring system Optical monitoring system
AYQ General gas alarm system (if not assignedto specific system)
General gas alarm system (if not assigned tospecific system)
AYS Radiotelephone system Radiotelephone system
KKS Code
BDL1 Description Remark
Power Transmission and AuxiliaryPower Supply
Power Transmission and Auxiliary PowerSupply
Power transmission Power transmission
BAA Generator leads Generator leads from excl. generator bushings,incl. current- and voltage transformers, coolingand ventilation systems to excl. generatortransformer low side bushings or to excl. auxiliarypower transformer high side bushing test
BAB Generator star point Foundation cabinetsBAC Generator circuit breaker Generator circuit breaker, also commutating pole
circuit breaker, incl. cooling systemBAT Generator transformer Generator transformers, including cooling systemBAU Earthing and Iightning protection
equipment Earthing and lightning protection equipmentBAX Fluid supply system for control and
protection equipment Fluid supply system for control and protectionequipment
BA
BAY Protection Electrical control and protection equipment
Medium-voltage distribution Medium-voltage distribution boards andtransformers, normal system
BBA .kV Medium voltage distribution Medium voltage distribution 1 normal systemBBB .kV Medium voltage distribution Medium voltage distribution 2 normal systemBBC .kV Medium voltage distribution Medium voltage distribution 3 normal systemBBD .kV Medium voltage distribution Medium voltage distribution 4 normal systemBBT Unit transformer (or Auxiliary power
transformers)Medium voltage auxiliary power transformers
BBX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BB
BBY Protection Electrical control and protection equipmentMedium voltage distributi on boardsand transformers, general-purpose
Medium voltage distributi on boards andtransformers, general-purpose
BCA Start-up distribution Medium voltage start-up, offsite, general-purposedistribution
BCT Start-up transformer Start-up, offsite, general-purpose transformers
BCX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BC
BCY Protection Electrical control and protection equipment
Low voltage main distribution Low voltage main distribution boards andtransformers, normal system
BFA 0, .kV Low voltage main distribution Low voltage main distribution 1, normal system
BFB 0, .kV Low voltage main distribution Low voltage main distribution 2, normal system
B
BF
BFC 0, .kV Low voltage main distribution Low voltage main distribution 3, normal system
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BFD 0, .kV Low voltage main distribution Low voltage main distribution 4, normal system
BFT 0, .kV Auxiliary transformer Low voltage auxiliary power transformers
BFX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BFY Protection ProtectionLow voltage main distribution Low voltage main distribution boards and
transformers, general purpose
BHA 0, .kV Low voltage main distribution Low voltage main distribution 1, general purpose
BHB 0, .kV Low voltage main distribution Low voltage main distribution 2, general purpose
BHC 0, .kV Low voltage main distribution Low voltage main distribution 3, general purpose
BHD 0, .kV Low voltage main distribution Low voltage main distribution 4, general purpose
BHT 0, .kV Auxiliary transformer Low voltage auxiliary power transformers
BHX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BH
BHY Protection Protection
Low voltage sub distribution Low voltage sub distribution boards and
transformers, normal systemBJA 0, .kV Low voltage sub distribution Low voltage sub distribution 1, normal system
BJB 0, .kV Low voltage sub distribution Low voltage sub distribution 2, normal system
BJC 0, .kV Low voltage sub distribution Low voltage sub distribution 3, normal system
BJD 0, .kV Low voltage sub distribution Low voltage sub distribution 4, normal system
BJT 0, .kV Auxiliary transformer Low voltage auxiliary power transformers
BJX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BJ
BJY Protection Protection
Low voltage sub distribution Low voltage sub distribution boards andtransformers, general purpose
BLA 0, .kV Low voltage sub distribution Low voltage sub distribution 1, general purpose
BLB 0, .kV Low voltage sub distribution Low voltage sub distribution 2, general purposeBLC 0, .kV Low voltage sub distribution Low voltage sub distribution 3, general purpose
BLD 0, .kV Low voltage sub distribution Low voltage sub distribution 4, general purpose
BLT 0, .kV Auxiliary transformer Low voltage auxiliary power transformers
BLX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BL
BLY Protection Protection
Low vol tage distribution (diesel)emergency power system
Low voltage distribution boards andtransformers, (diesel) emergency powersystem 1
BMA Low voltage emergency distribution board Low voltage emergency distribution boards(emergency diesel)
BMB Low voltage emergency distribution board Emergency lightning and emergency distributionBMT Low voltage emergency power
transformersLow voltage emergency power transformers
BMX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BM
BMY Protection Electrical control and protection equipment
Low vol tage distribution (diesel)emergency power system
Low voltage distribution boards andtransformers, (diesel) emergency powersystem 2
BNA Low voltage emergency distribution board Low voltage emergency distribution boards(emergency diesel)
BNB Low voltage emergency distribution board Emergency lightning and emergency distribution
BN
BNT Low voltage emergency powertransformers
Low voltage emergency power transformers
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BNX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BNY Protection Electrical control and protection equipment
Power installations for electricalvariable-speed drives
Power installations for variable-speed drives(e.g. for feedwater pump, excitationequipment, not power adjusters inswitchgear)
BPA Frequency converter Power installations for variable-speed drives (freefor use)
BPB Excitation transformer Power installations for variable-speed drives (freefor use)
BPX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BP
BPY Protection Electrical control and protection equipment
Low voltage distribution,uninterruptible power supply
Low voltage distribution boards,uninterruptible (converter) power supply
BRA 230VDC UPS-Emergency 1
230VAC Safe Busbar 1
Low voltage distribution boards, uninterruptible
(converter) power supplyBRB 230VDC UPS-Emergency 2
230VAC Safe Busbar 2Low voltage distribution boards, uninterruptible(converter) power supply
BRU AC-Converter Converter (static), inverter
BRX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
BR
BRY Protection Electrical control and protection equipment
Battery system Battery system
BTA 220V Battery 1 Batteries (free for use)
BTB 220V Battery 2 Batteries (free for use)
BTC 125V Battery Batteries (free for use)
BTL 220V Battery charger 1 Rectifiers, battery chargers (free for use)
BTM 220V Battery charger 2 Rectifiers, battery chargers (free for use)
BT
BTN 125V Battery charger Rectifiers, battery chargers (free for use)
DC Distribution, normal system DC Distribution boards, normal system
BUA 220 VDC distribution board 1 DC Distribution boards, normal system (free foruse)
BUB 220 VDC distribution board 1 DC Distribution boards, normal system (free foruse)
BUC 110 VDC distribution board, common part 110 VDC distribution board, common part
BUD 110 VDC distribution board, common part,fail safe
110 VDC distribution board, common part, failsafe
BUE 24VDC distribution board 1 24VDC distribution board 1
BUF 24VDC distribution board 2 24VDC distribution board 2
BUH 24VDC distribution board, common part 24VDC distribution board, common partBUX Fluid supply system for control and
protection equipmentFluid supply system for control and protectionequipment
BU
BUY Protection Protection
KKS Code
BDL1 Description Remark
Instrumentation and control equipment Instrumentation and control equipment
Protective interlock Protective interlock
C
CA
CAA Cabinet for protective interlock Cabinet for protective interlock (free for use)
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CAB Cabinet for protective interlock Cabinet for protective interlock (free for use)
CAC Cabinet for protective interlock Cabinet for protective interlock (free for use)
CAD Cabinet for protective interlock Cabinet for protective interlock (free for use)
CAE Cabinet for protective interlock Cabinet for protective interlock (free for use)
Functional group control, Subloopcontrol
Functional group control, Subloop control
CBA Cabinet for protective interlock - turbine Cabinets for functional group control (free for use)CBB Cabinet for protective interlock - generator
Cabinets for functional group control (free for use)CBC Cabinet for protective interlock - auxiliary
control Cabinets for functional group control (free for use)CBD Control cabinet 4 Cabinets for functional group control (free for use)CBE Control cabinet 5 Cabinets for functional group control (free for use)CBF Control cabinet 6 Cabinets for functional group control (free for use)CBP Cabinet for synchronization Cabinet for synchronization
CB
CBQ Cabinet for auxiliary power changeover Cabinet for auxiliary power changeover
Annunciat ion Annunciat ionCE
CEJ Fault recording Fault recording
Measurement, recordi ng Measurement, recordi ng
CFA Cabinet for measurement 1 Cabinet for measurement (free for use)
CFB Cabinet for measurement 2 Cabinet for measurement (free for use)
CFC Cabinet for measurement 3 Cabinet for measurement (free for use)
CFD Cabinet for measurement 4 Cabinet for measurement (free for use)
CF
CFQ Cabinet for metering Cabinet for recording (meters, pen recorders)
Closed-loop control Closed-loop control
CGA Closed-loop control cabinet Cabinets for closed-loop control (free for use)
CG
CGB Closed-loop control cabinet Cabinets for closed-loop control (free for use)
Protection ProtectionCHA Cabinets for protection system 1 Cabinets for generator and transformer protection
(free for use)
CHC Cabinets for protection system 2 Cabinets for generator and transformer protection(free for use)
CHC Cabinets for protection system 3 Cabinets for generator and transformer protection(free for use)
CHD Cabinets for protection system 4 Cabinets for generator and transformer protection(free for use)
CH
CHY Protection Protection , emergency stop cabinet
Unit coordination level Unit coordination level
CJA Unit control system Unit control system
CJ
CJD Start-up control, setpoint control Start-up control, setpoint control
Process computer system Process computer system
CKA Online supervisory and diagnosticcomputer 1
Online supervisory and diagnostic computer (freefor use)
CKB Online supervisory and diagnosticcomputer 2
Online supervisory and diagnostic computer (freefor use)
CKC Online supervisory and diagnosticcomputer 3
Online supervisory and diagnostic computer (freefor use)
CKF Process computer joint control Process computer joint control
CKM Patrol monitoring system Access control computer (free for use)
CKN Process computer system 1 Process computer system (free for use)
CKP Process computer system 2 Process computer system (free for use)
CK
CKQ Process computer system 3 Process computer system (free for use)
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Instrumentation and control equipment Instrumentation and control equipment
CMA Instrumentation and control system 1 Instrumentation and control equipment (free foruse)
CMB Instrumentation and control system 2 Instrumentation and control equipment (free foruse)
CMC Instrumentation and control system 3 Instrumentation and control equipment (free foruse)
CM
CMD Instrumentation and control system 4 Instrumentation and control equipment (free foruse)
Marshalling rack Marshalling racks
CVA Marshalling rack, system 1 Marshalling racks (cabinets)
CVB Marshalling rack, system 2 Marshalling racks (cabinets)
CVC Marshalling rack, system 3 Marshalling racks (cabinets)
CVD Marshalling rack, system 4 Marshalling racks (cabinets)
CVG Marshalling rack Marshalling rack water treatment system
CVM Marshalling rack Marshalling rack heavy machinery, generator
CVP Marshalling rack Marshalling rack cooling water system
CV
CVQ Marshalling rack Marshalling rack auxiliary plant
Control room Control rooms
CWA Main control console 1 Main control console 1
CWB Main control console 2 Main control console 2
CWC Main control console 3 Main control console 3
CWD Main control console 4 Main control console 4
CWD Plotter table Plotter table
CWF Main control panels 1 Main control panels 1
CW
CWF Main control panels 1 Main control panels 1
Local control station Local control stations
CXA Local control station - turbine Local control station - turbine
CXC Local control station - water treatmentsystem
Local control station - water treatment system
CXD Local control station - diesel engine plant Local control station - diesel engine plant
CXG Local control station - process drainagesystem
Local control station - process drainage system
CXM Local control station - generator Local control station - generator
CX
CXP Local control station - cooling watersystem
Local control station - cooling water system
Communication equipment Communication equipment
CYA Telephone system Telephone system (PABX)
CYB Control console telephone system Control console telephone system
CYE Fire alarm system Fire alarm system
CYF Clock system Clock system
CYG Remote control system Remote control system
CYK HF carrier telephone system HF carrier telephone system
CYL Radio paging system Radio paging system
CYN Public address system Public address system
CYP Optical monitoring system Optical monitoring system
CY
CYS Radiotelephone system Radiotelephone system
KKS Code
BDL1 Description Remark
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Water supply and disposal Water supply and disposal
Raw water suppl y Raw water suppl y
GAA Extraction, mechanical cleaning Extraction, mechanical cleaning from incl. intaketo incl. mechanical cleaning system outlet
GAC Piping and channel system Piping and channel system from excl. intake orfrom excl. outlet of other system to excl. inlet toother system
GAD Storage system Storage system from incl. storage system inlet toincl. storage system outlet, incl. intake and outfall
GAF Pump system Pump system from incl. pump system suctionnozzle to incl. pump system discharge nozzle
GAV Lubricant supply system Lubricant supply system
GAX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
GA
GAY Control and protection equipment Control and protection equipment. Only formechanical equipment (pneumatic or hydraulic)
Distribution systems Distribution systems (not drinking water)
GHC Distribution systems after treatment(demineralization) tanks
GH
GHD Distribution systems after treatm. (others)Distribution systems after treatment (others)
Drinking water supply Drinking water supply
GKA Receiving point Online supervisory and diagnostic computer (freefor use)
GKB Storage, forwarding, distribution system Online supervisory and diagnostic computer (freefor use)
GKC Drinking water supply Drinking water supply
GKD Drinking water supply Drinking water supply (free for use)
GKE Drinking water supply Drinking water supply (free for use)
GKF Drinking water supply Drinking water supply (free for use)
GKG Drinking water supply Drinking water supply (free for use)GKH Drinking water supply Drinking water supply (free for use)
GKJ Drinking water supply Drinking water supply (free for use)
GKX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
GK
GKY Protection Protection
Dewatering syst em Dewatering syst em
GMA Dewatering system Dewatering system (free for use)
GMB Dewatering system Dewatering system (free for use)
GMC Dewatering system Dewatering system (free for use)
GMD Dewatering system Dewatering system (free for use)
GME Dewatering system Dewatering system (free for use)
GMF Dewatering system Dewatering system (free for use)
GMG Dewatering system GT wash water
GMH Dewatering system Boiler house
GMM Storage dewatering system Storage dewatering system
GMP Dewatering system Pump house
GMT Dewatering system Sprinkler system
GMX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
G
GM
GMY Protection Protection
Drainage system Drainage system
GQA drainage system drainage system (free for use)
GQ
GQA GQA10 drainage pit, pumps and level switches drainage pit, pumps and level switches
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GQB drainage system drainage system (free for use)
GQC drainage system drainage system (free for use)
GQD drainage system drainage system (free for use)
GQE drainage system drainage system (free for use)
GQG drainage system GT wash waterGQH drainage system Boiler houseGQM Storage process drainage system Storage process drainage system
GQP drainage system Pump house
GQT drainage system Sprinkler system
GQX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
GQY Protection Protection
KKS Code
BDL1 Description Remark
Steam, water, gas cycles Steam, water, gas cycl es
Water impounding works forhydroelectric power plant
Water impounding works for hydroelectricpower plant
LNA Water niveau metering Water niveau metering at the water impoundingwork
LNB Trash rack, trash/fish barrier Trash rack, trash/fish barrier
LNC Dam, weir system Dam, weir system
LND Spillway Spillway
LNE Drainage system Drainage system
LNF Pump system Pump system
LNV Lubricant supply system Lubricant supply system
LNW Sealing water supply system from incl. sealing water supply main isolatingvalve to excl. casing nozzle of sealing water user
LNX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
LN
LNY Protection Protection
Intake system, upper water system forhydroelectric pow erplant
Intake system, upper water system forhydroelectric powerplant
LPA Cleaning system Separate out and collect floating matter fromheadrace
LPB Isolating equipment Isolating equipment
LPC Piping and penstock system from incl. receiving point to incl. discharge intoturbine system, incl. connecting piping for pump
systemLPE Surge tank Surge tank
LPV Lubricant supply system Lubricant supply system
LPW Sealing water supply system from incl. sealing water supply main isolatingvalve to excl. casing nozzle of sealing water user
LPX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
LP
LPY Protection Protection
Tail race system, under water systemfor hydroelectric power plant
Tail race system, under water system forhydroelectric power plant
LQA Underwater piping and culvert system Underwater piping and culvert system
LQB Surge tank Surge tank
L
LQ
LQC Isolating equipment Isolating equipment
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LQE Cleaning system for pumped-storageoperation
Cleaning system for pumped-storage operation
LQV Lubricant supply system Lubricant supply system
LQW Sealing water supply system from incl. sealing water supply main isolatingvalve to excl. casing nozzle of sealing water user
LQX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
LQY Protection Protection
Common installations for hydr oelectricpower plant
Common installations for hydroelectricpower plant
LS
LSL Drainage system Drainage system
KKS Code
BDL1 Description Remark
Main machine sets Main machine setsHydraulic turbine plant Hydraulic turbine plant
Turbine Turbine from excl. turbine inlet or from excl. inletvalve to incl. turbine outlet or to excl. isolatingvalve, incl. draft tube
MEA10 Spiral case Spiral case
MEA20 Wicket gate, nozzles Wicket gate, nozzles
MEA30 Runner, deflector runner, deflector
MEA40 Shaft Shaft
MEA50 Turbine brake system Turbine brake system
MEA
MEA60 Revision sealing Revision sealing
Isolating valve blocking headwater before turbine MEA and/or
setting headwater for turbine MEA
MEB
MEB10 Turbine main valve Turbine main valve
Bearings Bearings
MED10 Thrust bearing Thrust bearing
MED
MED20 Guide bearing Guide bearing
Stabilizing air system Stabilizing air system from incl. air compressorto incl. outlet to turbine
MEG10 Compressor Compressor
MEG20 Pressure tank Pressure tank
MEG
MEG50 Instruments Instruments
Gear Transmission gear between prime mover anddriven machine, incl. turning gear, barring gear
MEK10 Converter Converter
MEK
MEK20 Gearbox Gearbox
Water depression air supply system from incl. air compressor to incl. outlet to turbine
MEL10 Compressor Compressor
MEL20 Pressure tank Pressure tank
MEL30 Control Control
MEL
MEL50 Instruments Instruments
Labyrinth cooling water system Labyrinth cooling water system
MES10 Cooling water system pumps Cooling water system pumps
MES20 Cooling water extraction Cooling water extraction
MES30 Cooling water system filter Cooling water system filter
MES40 Cooling water system distribution Cooling water system distribution
MME
MES
MES70 Cooling water elevated tank Cooling water elevated tank
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Lubricant supply system from incl. lubricant tank to excl. user and fromexcl. user
MEV10 Oil supply combined thrust and guidebearing
Oil supply combined thrust and guide bearing
MEV20 Oil supply thrust bearing Oil supply thrust bearing
MEV30 Bearing load relieving Bearing load relieving
MEV60 Oil mist extraction Oil mist extraction
MEV70 Bearing oil elevated tank Bearing oil elevated tank
MEV80 Lubricating grease system Lubricating grease system
MEV
MEV90 Lubricant water supply Lubricant water supply
Sealing water supply system from incl. sealing water supply main isolatingvalve to excl. casing nozzle of sealing wateruser
MEW10 Sealing water pump Sealing water pump
MEW30 Sealing water conditioning Sealing water conditioning
MEW
MEW40 Sealing water distribution Sealing water distribution
Hydraulic oil Non-electric control and protection equipment,
incl. fluid supply systemMEX10 Oil pressure generation Oil pressure generation
MEX20 Wicked gate, nozzle control Wicked gate, nozzle control
MEX30 Runner- and deflector control Runner- and deflector control
MEX50 Brake control Brake control
MEX60 Pressure oil generation and control forshut-off valve
Pressure oil generation and control for shut-offvalve
MEX
MEX70 Safety and emergency shutdownequipment
Safety and emergency shutdown equipment
Electrical control and protectionequipment
Electrical control and protection equipment
MEY10 Turbine governor Turbine governor
MEY
MEY30 Speed acquisition and evaluation Speed acquisition and evaluation
Pumping turbine plant in pumped-storage power plants
Pumping turbine plant in pumped-storagepower plants
MFA Pumping turbine, pump and turbine asintegral unit
Pumping turbine, pump and turbine as integralunit
MFB Isolating equipment blocking headwater before turbine MFA and/orsetting headwater for turbine MFA
MFD Bearings Bearings
MFG Stabilizing air system Stabilizing air system from incl. air compressorto incl. outlet to turbine
MFK Gear Transmission gear between motor generator setand pumping turbine
MFL Water depression air supply system from incl. air compressor to incl. outlet to turbine
MFM Start-up unit Start-up unit
MFS Shaft gland cooling water system Shaft gland cooling water system
MFV Lubricant oil supply system Lubricant oil supply system
MFW Sealing fluid system Sealing fluid system
MFX Control oil Fluid supply system for control and protectionequipment
MF
MFY Control and protection equipment Control and protection equipment
Pumped-storage plant Pumped-storage plant
MGA Storage pump (casing, shaft, runner, etc) Storage pump (casing, shaft, runner, etc)
MGB Isolating valve blocking headwater before storage pump MGAand/or setting water for storage pump MGA
MGD Bearings Bearings
MG
MGK Gear Transmission gear between motor generator setand storage pump
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MGL Water depression air supply system from incl. air compressor to incl. outlet to turbine
MGM Start-up unit Start-up unit
MGS Shaft gland cooling water system Shaft gland cooling water system
MGV Lubricant oil supply system Lubricant oil supply system
MGW Sealing fluid system Sealing fluid systemMGX Control oil Fluid supply system for control and protection
equipmentMGY Control and protection equipment Control and protection equipment
Generator plant Generator plant
Generator casing Generator, complete, incl. stator, rotor and allintegral cooling equipment to incl. generatorbushing
MKA10 Generator rotor Generator rotor
MKA20 Generator casing incl. stator Generator casing incl. stator
MKA30 Generator air cooling Generator air cooling
MKA40 Shaft Shaft
MKA50 Mechanical brake devices Mechanical brake devices
MKA
MKA60 Moist exhaustion system Moist exhaustion system
Excitation Generator exciter set, even with electricgenerator-brake (only if MKC is insufficient)
MKB
MKB10 Electric generator brake Electric generator brake
Excitation Generator exciter set, even with electricgenerator-brake
MKC
MKC10 Excitation Excitation
Bearings Bearings
MKD10 Combined bearing (guide and thrust) Combined bearing (guide and thrust)
MKD
MKD20 Generator guide bearing Generator guide bearing
Stator/rotor liquid cooling system, incl.
coolant supply system
Stator/rotor liquid cooling system, incl. coolant
supply system
MKF
MKF10 Generator cooling water system Generator cooling water system
Stator/rotor gas cooling system, incl.coolant supply system
Stator/rotor gas cooling system, incl. coolantsupply system
MKG
MKG10 Generator gas cooling system Generator gas cooling system
MKH Stator/rotor nitrogen cooling system, incl.coolant supply system
Stator/rotor nitrogen cooling system, incl.coolant supply system
MKQ Exhaust gas system Exhaust gas system (if separate system forgenerator)
MKU Stator/rotor oil cooling system Stator/rotor oil cooling system, incl. coolantsupply system
Lubricant supply system Lubricant supply system (if separate system forgenerator)
MKV10 Oil supply combined bearing Oil supply combined bearing
MKV20 Öil supply guide bearing Öil supply guide bearing
MKV30 Bearing load relieving Bearing load relieving
MKV
MKV60 Oil mist exhaust Oil mist exhaust
MKX Non el. Control system incl. Fluid supplysystem
Non el. Control system incl. Fluid supply system
MK
MKY Electrical control and protectionequipment
Electrical control and protection equipment
Compressor plant Compressor plant
MMA Compressor Compressor incl. internal system
MMC Air intake piping system Air intake piping system
MMD Bearings Bearings
MM
MME Intercooling system Intercooling system
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MMF Recooling system (Aftercooling) Recooling system (Aftercooling)
MMG Final cooling system Final cooling system
MMH Discharge piping system Discharge piping system
MMV Lubricant supply system Lubricant supply system
MMW Sealing water supply system Sealing water supply systemMMX Fluid supply system for control and
protection equipmentFluid supply system for control and protectionequipment
MMY Control and protection equipment Control and protection equipment
Common installations for mainmachine sets
Common installations for main machine sets
MPA Foundation Foundation
MPB Sheathing Sheathing
MPG Frame, support structure Frame, support structure
MPR Forced cooling system Forced cooling system
MP
MPS Drying and layup system Drying and layup system
KKS Code
BDL1 Description Remark
Cooling water systems Cooling water systems
Main cool ing water system Circulating (main cooling) water system
PAA Extraction, mechanical cleaning for directcooling
Extraction, mechanical cleaning for direct cooling
PAB Main cooling water piping and culvertsystem
Main cooling water piping and culvert system
PAC Main cooling water pump system Main cooling water pump system
PAD Cooling tower Cooling tower
PAE Cooling tower pump systems Cooling tower pump systems
PAF Condenser cleaning systems Condenser cleaning system incl. allappurtenances
PAR Make-Up water piping system Make-Up water piping system
PAS Make-Up water pump system Make-Up water pump system
PAV Lubricant supply system Lubricant supply system
PAX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
PA
PAY Control and protection equipment Control and protection equipment
Secondary cool ing water system,conventional area
Service (secondary cooling) water system,conventional area
PCA Extraction, mechanical cleaning for direct
cooling
Extraction, mechanical cleaning for direct cooling
PCB Cooling water piping and culvert system Cooling water piping and culvert system
PCC Cooling water pump system Cooling water pump system
PCD Recirculation cooling system, outfallcooling system
Recirculation cooling system, outfall coolingsystem
PCE Cooling tower pump systems Cooling tower pump systems
PCH Cleaning system for heat exchanger Cleaning system for heat exchanger
PCM Secondary cooling water system forgenerator-, motorgenerator-cooling
Secondary cooling water system for generator-,motorgenerator-cooling
PCV Lubricant oil supply system Lubricant oil supply system
PCX Control oil Fluid supply system for control and protectionequipment
P
PC
PCY Control and protection equipment Control and protection equipment
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Closed cooling water system,conventional area
Closed cooling water s ystem, conventionalarea
PGA Closed cooling water system forconventional area - filter
Closed cooling water system for conventionalarea - filter
PGB Closed cooling water system forconventional area - piping
Closed cooling water system for conventionalarea - piping
PGC Closed cooling water system forconventional area
Closed cooling water system for conventionalarea
PGM Cooling water system for generator-,motorgenerator-cooling
Cooling water system for generator-,motorgenerator-cooling
PG
PGY Control and protection equipment Control and protection equipment
Common equipment for cooling w atersystem
Common equipment for cooling w ater systemPU
PUA Common equipment for cooling watersystem
Common equipment for cooling water system(free for use)
KKS Code
BDL1 Description Remark
Auxi li ary systems Auxi li ary systems
Central chemicals supply Central chemicals supply
QCA Central chemicals supply Central chemicals supply
QCB Central chemicals supply Central chemicals supply
QCC Central chemicals supply Central chemicals supply
QC
QCD Central chemicals supply Central chemicals supply
Central control air supply Central control air supply
QFA Central control air generation system Central control air generation system
QFB General control air supply, Compressedair
Central control air distribution system
QFC Instrument airReceiver, storage
Central control air supply (free for use)
QFD Adsorption Dryer Adsorption Dryer
QFV Lube oil, Lube oil supply Lubricant oil supply system
QFX Control oil Fluid supply system for control and protectionequipment
QF
QFY Control and protection equipment Control and protection equipment
Central oil supply and disposal system Central oil supply and disposal system
Q
QS
QSA Oil regeneration system Oil regeneration system
KKS Code
BDL1 Description Remark
Anci ll ary Sys tems Anci ll ary Sys tems
Heating, ventilation, air-conditioning(HVAC) systems for conventional area
Room ventilation
SAA Heating, ventilation, air-conditioning inconventional area
Heating, ventilation, air-conditioning inconventional area
SAB Heating, ventilation, air-conditioning inconventional area
Heating, ventilation, air-conditioning inconventional area
S
SA
SAC Heating, ventilation, air-conditioning inconventional area
Heating, ventilation, air-conditioning inconventional area
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SAH Heating, ventilation, air-conditioning inconventional area (Boiler house)
Heating, ventilation, air-conditioning inconventional area (Boiler house)
SAL Heating, ventilation, air-conditioning inconventional area (exhaust air)
Heating, ventilation, air-conditioning inconventional area (exhaust air)
SAM Heating, ventilation, air-conditioning inconventional area (machine hall)
Heating, ventilation, air-conditioning inconventional area (machine hall)
SAP Heating, ventilation, air-conditioning inconventional area (cooling water system)
Heating, ventilation, air-conditioning inconventional area (cooling water system)
Space heating systems Space heating systems
SBA Space heating system Heating system (heating control room)
SBB Space heating system Space heating systems (free for use)
SBE Space heating system Space heating systems (internal heating system,district heating)
SB
SBL Space heating system Space heating systems (internal heating system,district heating)
Stationary compressed air supplies Stationary compressed air supplies (only ifseparate service air exist to the instrument-
air)SCA Compressed air generation system Compressed air generation system
SCB Compressed air distribution system Compressed air distribution system
SCC Vessel for compressed air Vessel for compressed air
SC
SCD Dryer Dryer
Stationary cleaning systems Stationary cleaning systems
SDA Stationary cleaning systems Stationary cleaning systems
SDB Stationary cleaning systems Stationary cleaning systems
SDC Stationary cleaning systems Stationary cleaning systems
SD
SDD Stationary cleaning systems Stationary cleaning systems
Stationary fire protection systems Stationary fire protection systems
SGA Fire water system, conventional area Fire water system, conventional areaSGC Spray deluge system, conventional area Spray deluge system, conventional area
SGE Sprinkler system Sprinkler system
SGF Foam fire-fighting system Foam fire-fighting system
SGG Tank rook, tank shell cooling system Tank rook, tank shell cooling system
SGJ CO2 fire-fighting systems CO2 fire-fighting systems
SGK Halon fire-fighting systems Halon fire-fighting systems
SGL Portable fire extinguisher Portable fire extinguisher
SGX Fluid supply system for control andprotection equipment
Fluid supply system for control and protectionequipment
SG
SGY Control and protection equipment Control and protection equipment
Waterway facili ties Waterway facili ties
SHA Intake system Intake system (upper pound)
SHB Look chamber Lock chamber incl. chamber filling and emptyingsystem
SHC Lock chamber gate (upstream) Lock chamber gate (upstream)
SHD Lock chamber gate (intermediate) Lock chamber gate (intermediate)
SHE Lock chamber gate (downstream) Lock chamber gate (downstream)
SHF Discharge system (lower pound) Discharge system (lower pound)
SHJ Anti icing system Anti icing system
SHK Ship impact system Ship impact system
SHL Leakage drainage system Leakage drainage system
SHM Rest evacuation system Rest evacuation system
SHS Minimum water system Minimum water system
SH
SHT Fish ladder Fish ladder
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SHU Woodraft system Woodraft system
SHV Lubricant supply system Lubricant supply system
SHW Sealing water supply system Sealing water supply system
SHX Fluid supply system for control and
protection equipment
Fluid supply system for control and protection
equipmentSHY Control and protection equipment Control and protection equipment
Cranes, stationary hoists andconveying appliances
Cranes, stationary hoists and conveyingappliances
SMA Cranes, stationary hoists and conveyingappliances
Cranes, stationary hoists and conveyingappliances (free for use)
SMB Cranes, stationary hoists and conveyingappliances
Cranes, stationary hoists and conveyingappliances (free for use)
SMC Cranes, stationary hoists and conveyingappliances
Cranes, stationary hoists and conveyingappliances (free for use)
SMD Cranes, stationary hoists and conveyingappliances
Cranes, stationary hoists and conveyingappliances (free for use)
SMG Cranes, stationary hoists and conveying
appliances
Cranes, stationary hoists and conveying
appliances (water treatment)SMH Cranes, stationary hoists and conveying
appliancesCranes, stationary hoists and conveyingappliances (Boiler house)
SMM Cranes, stationary hoists and conveyingappliances
Cranes, stationary hoists and conveyingappliances (Machine hall)
SM
SMP Cranes, stationary hoists and conveyingappliances
Cranes, stationary hoists and conveyingappliances (Cooling water)
Elevators Elevators
SNA Elevator Elevators (free for use)
SNB Elevator Elevators (free for use)
SN
SNC Elevator Elevators (free for use)
Road installations Road installations
SQA Road installations Road installations (free for use)SQB Road installations Road installations (free for use)
SQC Road installations Road installations (free for use)
SQD Road installations Road installations (free for use)
SQ
SQE Road installations Road installations (free for use)
Workshop, stores, laboratoryequipment and staff amenities
Workshop, stores, laboratory equipment andstaff amenities outside controlled area
STA Workshop equipment Workshop equipment
STC Maintenance areas Maintenance areas
STE Stores and filling station equipment Stores and filling station equipment
STG Laboratory equipment Laboratory equipment
STP Staff amenities Staff amenities
ST
STY Control and protection equipment Control and protection equipment
KKS Code
BDL1 Description Remark
Structures Structures
Structures for grid and distributionsystems
Structures for grid and distribution s ystems
UAA Switchyard structure Switchyard structure
UAB Grid system switchgear building Grid system switchgear building
UAC Grid system control building Grid system control building
U
UA
UAD Structures for grid and distribution system Structures for grid and distribution system
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UAE Structures for pneumatic control system Structures for pneumatic control system
UAF Structures for grid and distribution system Structures for grid and distribution system
UAG Structures for transformer Structures for transformer
UAH Structures for supports and equipment Structures for supports and equipment
UAX Special structures Special structuresUAY Bridges Bridges
UAZ Culverts Culverts
Structures for power transmission andauxiliary power supply
Structures for power transmission andauxiliary power supply
UBA Switchgear building Switchgear building
UBB Structure for power transmission andauxiliary power supply
Structure for power transmission and auxiliarypower supply
UBC Structures for offsite system transformers Structures for offsite system transformers
UBD Structures for low voltage auxiliary powertransformers
Structures for low voltage auxiliary powertransformers
UBE Structures for medium voltage auxiliarypower transformers
Structures for medium voltage auxiliary powertransformers
UBF Structures for generator transformers Structures for generator transformersUBG Structures for start-up transformers Structures for start-up transformers
UBH Structures for oil collection pits Structures for oil collection pits
UBJ Structures for transformer track Structures for transformer track
UBK Transformer assembly building Transformer assembly building
UBL Structures for busbars Structures for busbars
UBM Structures for transformer cooling system Structures for transformer cooling system
UBN Structures for emergency powergenerating set
Structures for emergency power generating set
UBP Emergency power generating and centralwater chiller building
Emergency power generating and central waterchiller building
UB
UBQ Structures for emergency power generatorfuel supply system
Structures for emergency power generator fuelsupply system
Structures for instru mentation andcontrol
Structures for instrumentation and control
UCA Unit control room building Unit control room building
UCB Control station building Control station building
UCC Structure for instrumentation and control Structure for instrumentation and control (freefor use)
UCD Structure for instrumentation and control Structure for instrumentation and control (freefor use)
UCE Structure for instrumentation and control Structure for instrumentation and control (freefor use)
UC
UCF Structure for instrumentation and control Structure for instrumentation and control (freefor use)
Structures for water supply anddisposal Structures for water supply and disposal
UGA Structure for raw water supply Structure for raw water supply
UGD Structure for demineralisation system Structure for demineralisation system
UGE Structure for neutralisation system Structure for neutralisation system
UGF Structure for fire water supply Structure for fire water supply
UGG Structure for drinking water supply Structure for drinking water supply
UGH Structure for rainwater Structure for rainwater
UGK Flocculant mixing chamber Flocculant mixing chamber
UGL Flocculator structure, flocculator Flocculator structure, flocculator
UGN Treated water basin Treated water basin
UGP Sludge thickener Sludge thickener
UG
UGQ Sludge dewatering building Sludge dewatering building
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UGR Sludge storage building Sludge storage building
UGU Structure for effluent disposal Structure for effluent disposal
UGV Structure for sewage plant Structure for sewage plant
Structu res for steam, water, gas-cycles Structu res for steam, water, gas-cycles
ULN Intake system Intake system (upper pound)
ULP Look chamber Lock chamber incl. chamber filling and emptyingsystem
UL
ULQ Lock chamber gate (upstream) Lock chamber gate (upstream)
Structures for main machine sets Structures for main machine sets
UME Hydraulic turbine building Hydraulic turbine building
UMG Pumped storage turbine building Pumped storage turbine building
UMJ Diesel engine building Diesel engine building
UMM Compressor system building Compressor system building
UM
UMR Gas engine plant building Gas engine plant building
Structures for circulating (cooling)
water systems
Structures for cir culating (cooling) water
systems
UPA Cooling water intake culvert Cooling water intake culvert
UPB Secondary cooling water intake culvert Secondary cooling water intake culvert
UPC Cooling water intake structure Cooling water intake structure
UPD Secondary cooling water intake structure Secondary cooling water intake structure
UPH Structure for cooling water treatment Structure for cooling water treatment
UPJ Structure for secondary cooling watertreatment
Structure for secondary cooling water treatment
UPN Cooling water inlet culvert Cooling water inlet culvert
UPP Secondary cooling water inlet culvert Secondary cooling water inlet culvert
UPQ Biocide treatment building Biocide treatment building
UPS Debris trough Debris trough
UP
UPT Screen wash water cleaning structure Screen wash water cleaning structure
Structures for circulating (cooling)water systems
Structures for cir culating (cooling) watersystems
UQA Cooling water pump building Cooling water pump building
UQB Secondary cooling water pump building Secondary cooling water pump building
UQG Cooling water overflow structure, surgetank
Cooling water overflow structure, surge tank
UQH Screen wash water discharge culvert Screen wash water discharge culvert
UQJ Cooling water seal pit incl. cooling wateraeration structure
Cooling water seal pit incl. cooling wateraeration structure
UQK Cooling water venting structure Cooling water venting structure
UQL Secondary cooling water surge pond Secondary cooling water surge pond
UQM Secondary cooling water collecting pond Secondary cooling water collecting pond
UQN Cooling water outfall culvert Cooling water outfall culvert
UQP Secondary cooling water outfall culvert Secondary cooling water outfall culvert
UQQ Cooling water outfall structure Cooling water outfall structure
UQR Secondary cooling water outfall system Secondary cooling water outfall system
UQS Cooling water discharge culvert Cooling water discharge culvert
UQT Secondary cooling water discharge culvert Secondary cooling water discharge culvert
UQU Cooling water spillway structure incl.cooling water aeration structure
Cooling water spillway structure incl. coolingwater aeration structure
UQ
UQV Structure for artificial cooling wateraeration
Structure for artificial cooling water aeration
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UQW Routing structure for cooling waterdischarge
Routing structure for cooling water discharge
Structures for circulating (cooling)water systems
Structures for cir culating (cooling) watersystems
URA Cooling tower structure (main coolingwater)
Cooling tower structure (main cooling water)
URB Cooling tower structure (secondarycooling water)
Cooling tower structure (secondary coolingwater)
URC Structure for cooling water system Structure for cooling water system
URD Cooling tower pump structure (maincooling water)
Cooling tower pump structure (main coolingwater)
URE Cooling tower pump structure (secondarycooling water)
Cooling tower pump structure (secondarycooling water)
URF Structure for cooling water system Structure for cooling water system
URG Cooling tower connection structure Cooling tower connection structure
URH Cooling tower outlet structure Cooling tower outlet structure
URJ Cooling tower outfall culvert Cooling tower outfall culvert
URK Cooling tower return structure Cooling tower return structure
URL Cooling tower return culvert Cooling tower return culvert
URM Cooling water distribution building Cooling water distribution building
URN Cooling tower bypass structure Cooling tower bypass structure
URP Cooling tower blowdown structure Cooling tower blowdown structure
UR
URQ Cooling tower blowdown culvert Cooling tower blowdown culvert
Structures for anciliary systems Structures for anciliary systems
USA Structure for heating, ventilation, air-conditioning systems
Structure for heating, ventilation, air-conditioningsystems
USB Structure for heating systems Structure for heating systems
USC Structure for stationary compressed airsupply
Structure for stationary compressed air supply
USG Fire pump house Fire pump house
USH Structure for waterway facilities Structure for waterway facilities
UST Workshop Workshop
USU Storage building Storage building
USV Laboratory building Laboratory building
US
USX Special structures Special structures
Structures for auxiliary systems Structures for auxiliary systemsUT
UTF Compressed air system building Compressed air system building
General services struc tures General services struc tures
UYA Office and staff amenities building Office and staff amenities building
UYB Staff amenities building Staff amenities building
UYC Administration building Administration building
UYD Canteen Canteen
UYE Gate house Gate house