Clash Detection in BIM- Process, Benefits and Future Scope

Engineering design is a dynamic field that requires effective coordination between several stakeholders for desired results. In the current era, any construction design project involves several stakeholders such as structural engineers, architects, contractors, suppliers and vendors, sometimes making the project completion process highly-complex.
On top of it, the whole building design and construction ecosystem are facing the challenge of timely completion of projects. In such a scenario, accuracy and precision are critical elements during the design phase.
What is BIM Clash detection?
Clash detection is a critical part of the integrated BIM modeling process. BIM modeling involves creating a comprehensive master model that includes design models from different disciplines of engineering design. Navisworks is the best BIM-adopted software in the market useful for Clash Detection and Clash Report Generation.
Why BIM Clash detection is Needed?
Clash detection via Building Information Modeling (BIM) helps in speeding up projects by identifying clashes between several models during the design stage itself, helping architects and contractors eliminate chances of multi-level design changes which can result into budget overshoot and delay in project completion time.
How BIM Clash detection Comes into the picture?
Architects, Structural engineers, MEP engineers (HVAC, Electrical and Plumbing), Environmental engineers and other professionals create design models, independent from each other. Once all the models are integrated into the BIM modeling process, clash detection comes into the picture.


What Happens in BIM Clash Detection Process?
The clash detection process by using Autodesk Navisworks, identifies where the independent models clash with each other- finding where elements from one model overlap the elements of models from other architect-engineering design disciplines. Clash detection ensures every aspect works hand-in-hand and nothing is incompatible.
BIM clash detection has brought fresh air to an ailing industry that often faced issues like project completion delays, escalating budgets, and last-minute surprises due to incompatibility between various designs.
In the past, clash detection wasn’t a pre-meditated endeavor. Engineers would supervise construction on the site itself and when a clash emerged- e.g. a beam coming in the path of air conditioning unit, everything had to be scraped and the whole construction design had to be refined on the spot. This led to costly delays, creating a need for clash detection at the design stage.
BIM makes it possible to create detailed clash reports during the design stage itself. Modern 3D graphics truly made the clash detection process streamlined and full-proof. Architects and designers can now detect clashes during the earliest stages of design.
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