4D/5D BIM SEQUENCING & SCHEDULING

Complex site logistics and installation phasing are some of many potential applications for visualisation. Graphic representations, created to understand time-based processes, helps foresee conflicts and study potential solutions.

4D adds the time factor of the construction schedule to the 3D model. We can directly link each activity of a Gantt chart (generated in project management software such as Primavera or Microsoft Project) to the BIM.

These animated models represent the planned construction sequence set against time. The main purpose of a construction phasing simulation is to provide a tool that will help the construction team visualise logistical issues or inefficiencies. The simulation exposes details such as out-of-sequence work, scheduling conflicts between multiple trades, “what if” scenarios, and macro-level construction phasing strategies – all in order to achieve the optimisation of the construction schedule.

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