ISO 9836:2017
Performance standards in building — Definition and calculation of area and space indicators
ISO 9836:2017 specifies the definition and calculation of surface area and volume indicators.
In defining area measurement, ISO 9836:2017 uses three measurement concepts:
a) the intra-muros and extra-muros concept used in many parts of the world;
b) the wall centre method of measurement used in many parts of the world;
c) variations on these methods to comply with certain national laws or for particular types of buildings.
The surface area and volume indicators defined in ISO 9836:2017 are intended for practical use, as a basis for measuring various aspects of the performance of buildings or as a planning aid. In other words, they should enable judgement to be made on functional, technical and economic aspects of buildings.
ISO 9836:2017 is intended to be used when establishing
- specifications for the geometric performance of a building and its spaces (e.g. in design, purchasing procedures, etc., or in building regulations where appropriate),
- technical documentation relating to the performance of whole buildings prepared by designers, contractors and manufacturers,
- the amount of floor area that will not be effectively available for the placement of an individual's workplace, furniture, equipment, or for circulation, and
- evaluation, comparison or control of the properties of a building which are connected to its geometric performance.
NOTE Although there are a variety of methods of area measurement around the world depending on the country and/or types of buildings, all measuring methods are not necessarily of practical use because of inability to identify real area (e.g. the wall centre method of measurement). Thus, ISO 9836:2017 specializes in the measurement solely for practical use.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Units
5 Intra-muros calculation methods and list of indicators for geometric performance
5.1 Surface areas
5.1.1 Calculation principles
5.1.2 Covered area
5.1.3 Total floor area
5.1.4 Intra-muros area
5.1.5 Net floor area
5.1.6 Area of structural elements
5.1.7 Usable area
5.1.8 Services area
5.1.9 Circulation area
5.1.10 Building envelope area
5.1.11 Effective and actual building loss area
5.2 Volumes
5.2.1 Calculation principles
5.2.2 Gross volume of buildings or parts of buildings which are enclosed and covered on all sides
5.2.3 Gross volume of buildings or parts of buildings which are not enclosed on all sides up to their full height, but which are covered
5.2.4 Gross volume of buildings or parts of buildings which are enclosed by components, but which are not covered
5.2.5 Net volume
5.2.6 Net volume above intra-muros area
5.2.7 Net volume above usable area
5.2.8 Net volume above services area
5.2.9 Net volume above circulation area
5.3 Examples of indicators
5.3.1 Surface area indicators
5.3.2 Space indicators
5.3.3 Area/volume indicators
5.4 Commentary
Annex A (informative) Examples of using building loss factors for a new construction
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Units
5 Intra-muros calculation methods and list of indicators for geometric performance
5.1 Surface areas
5.1.1 Calculation principles
5.1.2 Covered area
5.1.3 Total floor area
5.1.4 Intra-muros area
5.1.5 Net floor area
5.1.6 Area of structural elements
5.1.7 Usable area
5.1.8 Services area
5.1.9 Circulation area
5.1.10 Building envelope area
5.1.11 Effective and actual building loss area
5.2 Volumes
5.2.1 Calculation principles
5.2.2 Gross volume of buildings or parts of buildings which are enclosed and covered on all sides
5.2.3 Gross volume of buildings or parts of buildings which are not enclosed on all sides up to their full height, but which are covered
5.2.4 Gross volume of buildings or parts of buildings which are enclosed by components, but which are not covered
5.2.5 Net volume
5.2.6 Net volume above intra-muros area
5.2.7 Net volume above usable area
5.2.8 Net volume above services area
5.2.9 Net volume above circulation area
5.3 Examples of indicators
5.3.1 Surface area indicators
5.3.2 Space indicators
5.3.3 Area/volume indicators
5.4 Commentary
Annex A (informative) Examples of using building loss factors for a new construction
Bibliography