Virtual Design and Construction (VDC)BIM is often associated with IFCs (Industry Foundation Classes) and aecXML, which are data structures for representing information used in BIM.

• 施工文件对准确资讯的需求来自多方面，包括图纸、采购细节、环境状况、文件提交程序和其它与建筑物品质规格相关的文件。