Building Information Modeling (BIM) is a digital representation of physical and functional characteristics of a facility. A BIM is a shared knowledge resource for information about a facility forming a reliable basis for decisions during its life-cycle; defined as existing from earliest conception to demolition.
BIM is the process of performing and managing Building Information in an inter - operable and reusable way.
Building Information Modeling process it allows owners, designers and contractors to make accurate and on time decisions that ultimately reduce the total time span of a particular project and precise decision making avoid the costly rework.