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• defined by the client

• Define goals of the BIM Modell

• Set out the purpose and the content of the model clearly for the bidder

The use cases is an effort to identify how people are taking advantage of BIM in using and repurposing information

Level of Development compromises level of geometry and level of information

Infromation Delivery Specification

• XML-based file format for the exchange of requirements (object types -> attributes, properties)

• interlinked with the IFC format

• form a standardized hierachical system of terms => taxonomy

• give each terma a numeric code

• basis for unambigious denomination of building components

• typical exampls

  • omniClass (US)

  • Uniclass (UK)

A classification system:

OmniClass is designed to provide a standardized basis for classifying information throughout the full facility life cycle from conception to demolition or reuse.

OmniClass is intended to be the means for organizing, sorting, and retrieving information, and standardizing digital data exchanges.

• Uniclass is a unified classification system.

• It contains consistent tables classifying items of all scales.

Essential: