0 - Precursor - Exchange HVAC Model - Space (ER)

In this section all precursor related information needed to satisfy the Exchange HVAC Model - (Space) will be described.

Information Needed	Man	Opt	Rec	Actor Supplying	Functional Part
The provisions of the exchange requirement er_exchange_building_model(sketch) must be satisfied. This includes all context information provided through project details including: the name of the project and, optionally, the phase of work of the project the default units used throughout the project the world coordinate system the coordinate space dimension the precision used within the geometric representations true north relative to the world coordinate system different types and scales that can be used for representing stored shapes (symbols) where these have multiple representations (e.g. multi-view blocks) Additionally, the building information model provides the following information proposed by the building designer that is required for electrical systems design: spatial structure elements (site, buildings, storeys, spaces)				Building Designer	Exchange HVAC Model (Equipment)