
4D Scheduling
Synchro Pro linked to P6 or MS Project. Visual construction sequencing, milestone animations, and schedule risk visualization.
4D scheduling links your CPM schedule directly to your 3D BIM model, transforming a static Gantt chart into a visual construction simulation. At EZ-VDC, we use Synchro Pro or Fuzor along with Primavera P6 or MS Project to map schedule activities to model elements, producing animations that communicate phasing, identify sequence conflicts, and support owner approvals. We have delivered 4D models on projects ranging from $30M tenant fit-outs to $1.5B hospital campuses, always with a focus on constructability and schedule integrity.
Schedule Import & Validation
We import the master schedule from Primavera P6 or MS Project, validate activity logic, and flag gaps or dependencies that may impact 4D mapping.
Model Preparation & Zoning
The 3D model is organized into work packages and zones that align with schedule activities, using Revit sets or Navisworks selection sets.
Activity-to-Object Mapping
Schedule activities are linked to model elements in Synchro Pro, establishing appearance profiles for planned, in-progress, and completed work.
Simulation & Conflict Review
We run the 4D simulation and review for sequence conflicts, logistical issues, and critical path visualization. Multiple construction scenarios can be modeled in parallel.
Animation & Stakeholder Handoff
Final animations are rendered for owner presentations, permit submittals, and subcontractor coordination packages, with editable Synchro files for ongoing schedule updates.


