If we look at any specific project as the game to be played certain things should be in place before you begin to play.
You need to know the objective of the game, the rules and where the goal lines are.
The objectives for your game are akin to goals and end uses for the BIM. It is only logical that you need to know what you are trying to accomplish before you can go about getting it done. By extension, well defined BIM goals, clearly communicated to the team, are critical to the success of any project. They can range from the ‘low hanging fruit’ (traditional 2D deliverables provided more quickly and with better coordination), to reliable quantities and construction sequencing all the way to full on post construction operations and maintenance functionality for the model.