What are the primary goals of creating a building model? Who are the key stakeholders?

The primary goal of creating a building model is to collaborate with all companies in the all stages, such as design, construction, and maintenance. In order to take advantages of BIM , the key stakeholders would be everyone related to the project because they need to input their data to BIM data to make the project process more efficiently.

How much detail should you include in your building model? How do you decide?

In the initial design, we should include the data related to the performance of building that clients desire for the building. In the case of housing for example, the details of walls, slabs, etc. should be included in the wall information so that the clients requirements should be satisfied.

In the construction phase, the other factors of the design should be included, such as cost and time.

What are the advantages of getting the Revit component families (for furniture, equipment, and fittings) directly from the manufacturer versus from an online sharing website like RevitCity.com?

The advantage of getting the Revit component from the manufacturer is that it is possible to plan a feasible design in the specific area. On the other hand, the advantage of getting the Revit component from an online sharing website enables us to create a common model over the world.