### A.1 Mechanical System Design

#### Schema definitions

This schema is defined within EXPRESS and XSD files.

Description | ASCII file | HTML file
--- | --- | ---
IFC EXPRESS long form schema | HVACie.exp | HVACie.exp.htm
IFC XSD long form schema | HVACie.xsd | HVACie.xsd.htm

#### Property and quantity templates

Property sets and quantity sets are defined within IFC-SPF and IFC-XML files.

Description | ASCII file | HTML file
--- | --- | ---
IFC-SPF property and quantity templates | HVACie.ifc |
IFC-XML property and quantity templates | HVACie.ifcxml |

#### Model view definition

Model view definitions are defined within MVD-XML files.

Description | ASCII file | HTML file
--- | --- | ---
MVD-XML model view definitions | HVACie.mvdxml |