What are the Benefits of 4D BIM Scheduling to Construction Projects?

4D Simulation of construction phasing proves helpful for construction teams in visualizing logistical issues and operational inefficiencies.

Upsurge in residential and commercial projects, and global infrastructure, and increasing shortage of building construction resources; calls for a more sophisticated, sustainable and flawless construction management process. 4D BIM links 3D digital models with time or schedule related information. It provides precise and useful construction project information for teams.

Design complexities and BIM implementation is where visualization plays a critical role. Graphical representations of buildings can be created to understand time-based processes, also helps architectural firms and contractors to foresee clashes and resolutions too. This ultimately links every single activity to the BIM.

Simulation of construction phasing proves helpful for construction teams in visualizing logistical issues and operational inefficiencies. However, 4D construction scheduling also gives insights about scheduling conflict between disciplines, out-of-sequence work, construction phasing strategies at macro levels, and what if scenarios.

How 4D BIM Modeling has positive impacts on Construction Projects?

4D BIM modeling not only improves productivity and operational efficiencies, but also reduces risks due to improved team coordination and collaboration. Early clash detection and resolution improves delivery time and saves costs.

  • Time to explore 4D visualization

4D BIM modeling visualization includes everything right from inception and completion dates, data about supply and installation of construction components. It also highlights the criticality of each one of it at relevant stages of the construction project. It also takes care of drawbacks of conventional scheduling which brings in misunderstanding and complications in absence of visualization capabilities.

4D simulation in Navisworks makes it convenient to view schedules and construction progress information with help of project viewing, review and simulation tools.

4D BIM scheduling is extremely useful in reducing and resolving conflicts amongst sub-contractors and site location with congestion which are likely to bring construction workflow to a standstill. The solution includes seamlessly handling material and equipment coordination, and ensures easy availability. It also includes items like access routes and temporary equipment that are used to deliver construction material.

4D BIM objects can be linked through Critical Path Method (CPM) schedule, for the stakeholders to understand:

  • Visualizing the construction progress in accordance to activities and costs associated on a daily and weekly basis depending on the project requirements.

  • Visualizing the project across construction stages is also one of the added advantages. Adding scheduling of model components will help project teams to improve overall schedules and communicate it to concerned – as and when required. Upon linking the construction schedule to a digital model, evaluating construction options also becomes very easy.

  • Visualizing the construction project upon completion is critical for every stage, however; it is really helpful when used before construction starts, for mitigating risk factors associated with health and safety, and time and cost perspective.

Conclusion

Though 4D schedule simulations can improve project delivery by integration of highly detailed scheduling to BIM models, unfortunately, this is challenging due to the constantly changing nature of the building models, activities, and other schedule data used makes it difficult to share information across project teams.

Looking at the success of BIM in the design arena, building contractors and architects are now relying on BIM applications including 4D BIM with help of BIM experts.

4D construction sequencing helps architects, engineers and contractors to efficiently plan and control construction project activities, eliminates workflow conflicts and gain control over the construction process. BIM service providers develop 4D simulations and phasing in Navisworks for resource allocation, and logistics of building material, supply chain management and risk mitigation.

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