1. Governance - Policy for BIM. Instruction from top management using BIM
2. People - Develop competency, training, do BIM in project
3. Technology - Support ICT
4. Process - Develop Guideline, Standards, Work Process.
But the most important things is that all of us must willingly to do BIM. Don't wait for others do BIM first or we will one step or ten steps behind than others. Then we will lose everything.