OmniClass

The OmniClass Construction Classification System (known as OmniClass™ or OCCS) is a classification system for the construction industry. OmniClass is useful for many applications, from organizing library materials, product literature, and project information, to providing a classification structure for electronic databases. It incorporates other extant systems currently in use as the basis of many of its Tables – MasterFormat™ for work results, UniFormat for elements, and EPIC (Electronic Product Information Cooperation) for structuring products.

The 15 inter-related OmniClass tables are:

Table

Status

Release Date

Introduction - OmniClass Introduction(PDF) Release 2006-03-28
Table 11 - Construction Entities by Function(ZIP) Pre Consensus Approved Draft 2013-02-26
Table 12 - Construction Entities by Form(ZIP) Pre Consensus Approved Draft 2012-10-30
Table 13 - Spaces by Function(ZIP) National Standard 2012-05-16
Table 14 - Spaces by Form(PDF) Release 2006-03-28
Table 21 - Elements
(includes Designed Elements)(ZIP)
National Standard 2012-05-16
Table 22 - Work Results(ZIP) National Standard 2012-05-16
Table 22 - Work Results(ZIP) Pre Consensus Approved Draft 2013-08-25
Table 23 - Products(ZIP) National Standard 2012-05-16
Table 31 - Phases(ZIP) Pre Consensus Approved Draft 2012-10-30
Table 32 - Services(ZIP) National Standard 2012-05-16
Table 33 - Disciplines(ZIP) Pre Consensus Approved Draft 2012-10-30
Table 34 - Organizational Roles(ZIP) Pre Consensus Approved Draft 2012-10-30
Table 35 - Tools(PDF) Draft 2006-03-28
Table 36 - Information(ZIP) National Standard 2012-05-16
Table 41 - Materials(ZIP) Pre Consensus Approved Draft 2012-10-30
Table 49 - Properties(ZIP) Pre Consensus Approved Draft 2012-10-30

 

Use of Omniclass tables is governed by the terms of the Omniclass License.

Copyright 2017 OCCS Development Committee Secretariat
For more information about OmniClass email omniclass@csinet.org.

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