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ASTM Uniformat II

An industry standard, popular in North America, for asset classification into systems based on their function.

Uniformat II has four levels, as follows:

  • Level 1 - Major Group Elements (eg. Structure)
  • Level 2 - Group Elements (eg., Foundations)
  • Level 3 - Individual Elements (eg. Slab on Grade)
  • Level 4 - 
The uniformat is primarily used to develop an asset inventory. for vertical assets.

The Uniformat II does not lend itself to classification of linear assets and portable assets.
Uniformat II, Levels 1-3
Fig. Excerpt from ASTM Uniformat II showing Levels 1 to 3


The hierarchy of assets as contemplated in the ISO 55001 standard for asset management.The detailed asset classification scheme and granularity is determined by the organization's objectives and nature of the assets.
Fig. The hierarchy of assets as contemplated in the ISO 55001 standard for asset management. The detailed asset classification scheme and granularity is determined by the organization's objectives and nature of the assets.


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Fig. Excerpt from ASTM Uniformat II showing Levels 3 and 4.


1../Concepts/Asset_Classification_Uniformat_level_3_and_4.JPG
Fig. Matrix that correlates the ASTM Uniformat II categories with the construction specifications standard.

See also:

I. Care is piecing together the different interconnected systems, assets and components of his building
Fig. I. Care is piecing together the different interconnected systems, assets and components of his building.

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