ISO 4157

ISO 4157 is an ISO standard for construction drawings and designation systems.

It is composed of 3 parts:

  • ISO 4157-1:1998 "Construction drawings -- Designation systems -- Part 1: Buildings and parts of buildings"
  • ISO 4157-2:1998 "Construction drawings -- Designation systems -- Part 2: Room names and numbers"
  • ISO 4157-3:1998 "Construction drawings -- Designation systems -- Part 3: Room identifiers"

Main definitions:

  • Floor n: is the horizontal partition between storey n and storey (n+1). The floor in storey 5 is named as floor 4.
  • Room: identifiable physical space (area or volume, space or void) real or theoretical, although not necessary a traditional room (i.e., enclosed by walls, ceiling and floor).
  • Room identifiers: registration number of spaces:
  • Room numbers: numbers (code) of rooms

Standard samples:

00 Ground floor
05 5th floor
-2 2nd basement floor
#0215 2nd floor, room 15

See also

ISO 13567

ISO 13567 is an international Computer-aided design (CAD) layer standard.

List of International Organization for Standardization standards, 1-4999

This is a list of published International Organization for Standardization (ISO) standards and other deliverables. For a complete and up-to-date list of all the ISO standards, see the ISO catalogue.The standards are protected by copyright and most of them must be purchased. However, about 300 of the standards produced by ISO and IEC's Joint Technical Committee 1 (JTC1) have been made freely and publicly available.

Storey

A storey (British English) or story (American English) is any level part of a building with a floor that could be used by people (for living, work, storage, recreation). The plurals are "storeys" and "stories", respectively.

The terms "floor", "level", or "deck" are used in a similar way, except that it is usual to talk of a "14-storey building", but "the 14th floor". The floor at ground or street level is called the "ground floor" in many places. The words "storey" and "floor" exclude levels of the building that are not covered by a roof, such as the terrace on the top roof of many buildings.

ISO standards by standard number
1–9999
10000–19999
20000+

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