Why Is Clash Detection So Important In BIM?


Ar. Ankit Kansara

CEO | Think Tank

Last Updated:

Jul 17, 2019

clash detection in bim min

The goal of Building Information Modeling (BIM) is to achieve collaboration and coordination in the implementation of design and various other elements of any construction project. Whenever designs from different disciplines are joined together on a common platform, many hard and soft clashes and workflow clashes occur.

BIM efficiently helps contractors and construction engineers in detecting these clashes, by considering the constructability or operations of the building.

What is Clash Detection

Clash Detection is a part of the Building Information Modeling (BIM) process wherein experts like contractors, sub-contractors, architects, project workers, sub-workers, and so on, can distinguish the conflicts in the construction cycle early on, and resolve them when still within the structural design discipline.

clash detection in bim

For this, a 3D BIM Model proves to be of great help settling conflicts in no time through a computerized approach so that there could be potential time, money, manpower, and resource-saving during that actual construction.

How to Go for Detecting and Resolving Clashes?

A clash occurs when variables of different models occupy the common space. Clashes may be geometric, like pipes passing through walls. Schedule-based clashes occur when various sequential aspects of work are scheduled to occur simultaneously or in reverse order, or clashes may occur when changes and updates are not made to the drawings.

To sum up, when the parts of various building modules cross one another to occupy the same space, clashes do take place. If it is tracked down that extra space shared around the gear and the contention occurred between the work process and equipment planning, there are high odds of detecting clashes.

To understand this, let us take an example that would explain how BIM can help in identifying clashes and avoid a scenario like that.

Pipework might have clashes with multiple beams portraying that many numbers of clashes in the model. Simply, by changing the positioning of pipework, one can resolve the clashes to have everything praised and in place. It best to detect such clashes within the planning phase of the BIM cycle, allowing one to inspect and resolve.

Why Clash Detection is so Important?

Clash detection aids in effectively identifying, inspecting, and reporting interference in a construction project model. It is useful in checking work status and wanes down human errors during model inspections. Clash detection is important in BIM because it integrates several models (structural, MEP, etc.) into a single BIM model.

With the clash detection feature, faults that conventionally were detected on the site and involved high cost and schedule implications, if corrected at that stage, can now be seen by BIM service providers in the office even before visiting the site.

With BIM, clash detection is made possible for even objects within objects (like a steel rod immersed inside a concrete wall). Learn all about BIM and Clash Detection to understand its true digital applicability.

What are the types of BIM Clash Detection?

Be aware of these three types of clashes occurring within the BIM programming to keep away from a conflict in the construction model well in advance:

type of bim clash detection

Hard Clash

Hard clash is when two items consume a similar space or cross with one another. It can end up being expensive to fix if you missed any progression in the plan interaction.

For instance, pipework through a steel pillar is an example of a hard clash. It may be identified on the mathematical model or semantic calculations within the BIM Object Library and inserted data.

Soft Clash

Soft clash is when components or items are not given underlying or resistances that it requires, or if the line of tolerance is penetrated. Building principles and codes are guaranteed when the item is feed in the BIM Software.

Climate control system unit clearances required for security and upkeep of the structure is one such thing. This can help with the support and security issues happening in the MEP model.

Workflow Clash

workflow clash is when conflicts like booking needed of the workers for hire, conveyance of hardware and materials and making a timetable of contentions. It can likewise bring down the effectiveness of a firm because of booking conflicts of interdisciplinary exercises.

The clash happening, in this case, can literally postpone a task or an activity and this is the reason why one can’t bear such a clash.

3 Major Benefits of Clash Detection

BIM Clash identification has revolutionized the way by letting construction design and development planning take place virtually. By enabling everybody to envision, investigate and extract the clashes ahead of time, the innovation is truly a lifesaver for an industry suffering from a huge number of hurdles.

Simultaneously, BIM and clash detection has made it straightforward for people to engage, have total control, and administer loopholes without settling on project losses.

Documentation for Engineering Design can be Precisely Made

BIM innovation and detection location have made it simpler for project owners and engineers to make refined structure plans without stressing over the nature of construction complexities.

documentation for engineering design insight

Attributable to the high-level nature of detection recognition and BIM programming tools, a change made to a solitary component is reflected in way different perspectives, consequently.

Likewise, as everything is facilitated, information move is consistent, lessening manual endeavors and improving efficiencies.

Iterations can be Reduced to an Unimaginable Extent

When everything is arranged, envisioned, and dealt with BIM during the planning stage itself, it prompts fewer changes during the development stage. As everything is examined as a 3D model, distinguishing clashes gets simpler at starting stages, empowering the team to organize for settling issues without struggle.

Collaboration and Coordination Between People Get Better

Digitized conflict identification makes it simpler for groups to share and team up on a similar venture. BIM and clash detection software such as Navisworks guarantees brief information to smoothen coordination between individuals from various departments whether being planning, designing, development, or architectural sections.

The audit and markup abilities with an ongoing reflection into the visuals make the development cycle quicker, better, and more proficient, without space for blunders due to carelessness.

Why Navisworks a Great tool for BIM Clash Detection?

Navisworks goes about as a model aggregator uniting 3D models and related plan information into a solitary workspace with the end goal of configuring, auditing, coordinating, investigating, and recreating the model.

There are many specific modules in Navisworks like Animator, timeline, Clash Detective, and so on permitting an intelligent analysis of the virtual model of the entire project in order to approve the plan and allocate precise expectations to construction operations.

It permits to recognition, forestall, and resolve clashes in the virtual model before the genuine beginning of the development, and subsequently lessens expenses and timetable dangers with limits proposed change request and RFI. It furthermore permits reenactment, coordination investigation, and oversee changes that happen while progressing with development by consolidating spatial coordination with the planning of construction.

Should You be Using BIM for Clash Detection?

The answer is, of course, YES. BIM Clash Detection by means of 3D BIM Modeling does assist with guaranteeing negligible odds of blunders allowing for a full-proof, steady, and hurdle-free plan that prompts a beneficial and productive construction development measure that increases the value of the relative multitude of partners.

The effect of clash detection on development and the relative measures can be better understood using a BIM process. Dealing with a collaborative and cohesive team can be leveraged in a better way using BIM, allowing for the possibilities of clash detection to diminish in every respect, making way for seamless construction.

In the case of huge buildings, manual clash detection and resolutions take a lot of time and still may not give a satisfactory solution. On the other hand, with BIM, clash detection can be done easily and with utmost accuracy. That is the reason why clash detection is so important in BIM.

Let us talk about your next project.
Ar. Ankit Kansara

Ar. Ankit Kansara is the visionary Founder and CEO of Virtual Building Studio Inc., revolutionizing the architecture and construction industry with innovative BIM solutions. With a strong foundation in architecture and a global presence, Ankit leads the company in providing cutting-edge AEC services, embracing technology and pushing boundaries

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