Architecture
A Facility Information Model consists of at least the following sections:
1. A Facility Model, which may include processes and activities
2. A Documents and Data sets section
3. An electronic Common Dictionary
And possibly also:
4. Requirements Models
The Facility Model
A Facility Model describes a facility, primarily in a breakdown structure that specifies a decomposition hierarchy of the facility. For example, the facility may be decomposed in sections, whereas each section is decomposed in units and utility systems, which are further decomposed in equipment systems, control loops, sub-systems, which are decomposed in pieces of equipments, building components, etc. as far as required. The Facility Model consists partly of the facts (data) that are expressed as relations between the components and their properties and relations to other 'objects'. That data reflects the facility and its operation and its properties.
Documents and data sets section
Another section of the Facility Information Model consists of documents and data sets in various formats. Each of those documents and data sets is related to the element in the facility model about which the document or data set contains information.
Electronic Common Dictionary
Each facility model component, property, activity as well as each document and data set shall be defined. This is normally done by classification. The classes (concepts) that classify the objects are defined in an electronic Common Dictionary. To ensure consistency and communication between systems and other parties that dictionary is also an integral part of every Facility Information Model.
Requirements Models
The quality of a Facility Information Model is determined by its completeness, consistency, up-to-dateness and accessibility. To measure that quality it is necessary to define requirements. This is preferably done in a computer interpretable way. These requirements and standard specifications have the nature of relations between kinds of things.
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