KKS CODIFICATION PDF

The KKS system is a classification system for the complete power plant and its components and provides a common language for the designer. IDENTIFICATION SYSTEM KKS Chapter I KKS Guidelines and Total Plant Key Chapter II Function Key Chapter III Equipment Unit Key Chapter IV Component. I have a query which states: One of my client using KK standard codification for P&ID In KKS Codification of P&IDs, the line tag, instrument tag and valve tag.

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G — Water supply and disposal Junction Boxes On breakdown level 1, junction boxes receive the code of the structure and floor on which they are installed.

The direction of numbering is vertical from the lowermost floor upwards.

Subgroups The classifying coding letters and designations are established on a non-project-specific basis in the KKS keys, namely as: System numbering must consist of two digits. For example maximum of a few direct measured variables: A – Grid and distribution systems for electric power plants, thermoelectric power plants and heating plants In this type of code, the breakdown level 2 contains equipment unit code.

Installation Space Code Serial no. Mechanical Supports Supports may be identified using the system code or the structure code. Point of Installation Identification General Notes I – 5. Bearing in mind the scale of power plants being built up to the early sixties, the Plant Identification System AKS could be regarded as adequate for the needs of planning and construction engineers at that time.

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Such established grid after addressing can state the coordinate system.

Control and instrumentation equipment which serves more than one main group may be identified under main group C for control and instrumentation, e. It is one digit which identifies one from two or more identical subsystems in the overall plant. Special guidelines apply to data characters G, F0 and A3. The additional code is not an alternative code for the components identified under breakdown level 3. Valves Valves are identified on the equipment unit level by the letters AA regardless of their type, design or actuator.

Measuring Circuits Measuring circuits comprise analog signal acquisition, conditioning, distribution and measured data recording and indicating processing elements.

The origin and development of KKS It is absolutely essential for the parties participating in the construction and operation of a power plant to agree upon codlfication standard system for the designation and classification of the plant, its part and components.

Numbering begins anew for each structure. Their use for any intended purpose is subject to agreement between the parties to the project.

KK standard codification

Rules on the Keys Where signals or measured data are used to limit or suppress the original measured data, the processed output signals retain the code of the original measured data.

No one of these symbols can be omitted. A working party, consisting of planners, operating companies, authorized inspectors and other authorities, was set up in with the task of finding such a solution. AN numbering may be consecutive or grouping.

Component codification and identification systems|INIS

Data character G as well as data character F0 can be omitted in KKS if the further part of designation will remain complete univocal. Where individual structures for which separate structure codes exist are combined to form one structure, that structure is given the code of the most important individual structure.

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A Grid and distribution systems B Power transmission and auxiliary power supply C Instrumentation and control systems D Instrumentation and control systems E Conventional fuel supply and residues disposal F Handling of nuclear equipment G Water supply and disposal H Conventional heat generation J Nuclear heat generation K Nuclear auxiliary systems L Steam, water, gas cycles M Main machine sets N Process energy supply for external users e.

Regulation part is described in level 1 by process-related installation, and level 2 by the controlled parameter – control part is described by executive device e. The AN number of breakdown kkks 2 is used to number the items of equipment classified in A1 and A2.

Installation zone X Grid zone Installation zone Y. H — Conventional heat generation These types of code are distinguished by means of prefix and breakdown symbols. F3 of the principal process-related task. C — Instrumentation and control systems Skip to main content. codificatiom

Identification System for Combined Cycle Power Plant (KKS coding)

Equipment unit classification Serial no. Spaced notation promotes the comprehensibility and mnemonic quality of codes. EZ Protection For example: