BIM 4D Services Services offered under 4D BIM Services are 4D Time Line 4D BIM Construction Phasing 4D Construction Simulation 4D Construction Video Animation 4D Applications for Construction Planning CDES is one of the leading BIM consultants known for providing reliable BIM services to the global clients. We develop the 4D simulations for construction planning and scheduling for architects, contractors, engineers and designers helps them visualize construction sequences & assess onsite and offsite progress across project lifetime. Our 4D construction simulation models enhance the collaboration between project teams and clients; ultimately providing clear project milestones and improved construction plans.