The standard IEC 61355-1 Classification and designation of documents for plants, systems and equipment describes rules and guidelines for the uniform
classification and
identification of
document
A document is a written, drawn, presented, or memorialized representation of thought, often the manifestation of non-fictional, as well as fictional, content. The word originates from the Latin ''Documentum'', which denotes a "teaching" o ...
s based on their characteristic content of information.
It is applied for all documents within the life cycle of a
technical products like plants, systems or equipment. It also includes non-technical documents. The main application is the construction, erection and operation of
chemical plants and
power plant
A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the electricity generation, generation of electric power. Power stations are generally connected to an el ...
s, where the number of documents may sum up to some 100,000 documents.
Classification code
The standard provides with the
document kind classification code (DCC) a structured letter-code for the classification of any kind of document.
The document kind classification code consists of three code-letters A1, A2, A3, with the prefix "&".
* A1 Letter code for technical area class
* A2 Letter code for main class
* A3 Letter code for sub-class
The letter code A1 is optional, if all documents are from the same technical area. The letter codes A2 and A3 are identical for all technical areas.
Technical Areas
The technical areas are:
Classes
The main classes are:
Main classes and subclasses
Table of main classes and subclasses
Source: IEC 61355-1
References
External links
*
{{List of IEC standards
#61355