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NAVISWORKS Clash Detection: Ensure Seamless Workflows


Navisworks clash detection tool is a construction project evaluation and simulation software by Autodesk that facilitates BIM (Building Information Modeling) coordination by combining design and construction data into a holistic framework and detecting and mitigating clash and obstruction issues prior to construction.

Design planning is a dynamic industry that requires effective collaboration between stakeholders for intended outcomes, hence Clash Detection or Conflict Detection is vital in the construction business. Stakeholders such as engineers, architects, contractors, suppliers, and vendors are often included in any construction design, making the project completion process complex and confusing at times.

What are Clashes or Conflicts

When the components of a building don’t work well together and conflict, it’s called a “clash” in BIM (Building Information Modeling). A Clash happens when elements that make up a built facility are not spatially synchronized and conflict. This irreversibly impacts project cost and schedule.

Construction design clashes or conflicts occur as a result of a lack of structured coordination among the various stakeholders who come together to work on different aspects of construction projects. 

Why do Clashes happen?

A Construction design system typically consists of Architecture, Construction, Mechanical, Electrical & Plumbing domains. In order for the facility to operate efficiently, sustainably, and effectively, all of these five systems must function together in harmony. 

Construction design clashes or conflicts occur as a result of a lack of structured coordination among the various stakeholders who come together to work on different aspects of construction projects. 

Clashes happen due to:

  • The intersection of components of different disciplines sharing the same space
  • Absence of buffer area around hardware
  • The conflict between workflow and facilities scheduling

Understanding Clash Detection

In a BIM workflow, clash detection entails detecting clashes and conflicts across various models or their components in order to rectify such issues before construction begins. Spatial overlap of models or their sections, representations in the same design with incompatible parameters, or an unusual time sequence in 4D BIM modeling are all examples of clashes & conflicts.

Types of Clashes

1. Hard Clash

A hard clash is a classification of conflict that involves questions of geometry. A hard clash occurs when two or more items collide; for example, plumbing running through a surface in the wrong direction, a duct colliding with a pipe, or an air-conditioning duct running through a load-bearing wall

2. Soft Clash

Soft clashes happen when a component isn’t given the necessary spatial or geometric threshold. A Soft clash arises when the buffer or cushion zone is breached, causing encroachment into geometric tolerances specified for other objects.

Types of Clashes

3. Work-flow Clash or 4D Clash

Work-flow clash or 4D clash includes conflicts identified with contractor scheduling or sequencing, equipment, material delivery, and general workflow timeline clashes. Despite the fact that these issues are not straightforwardly associated with design however they can essentially influence the project timeline. A work process conflict disrupts workflow efficiency and also has a domino impact, ultimately bringing the whole project to a standstill. 

Navisworks Clash Detection

Navisworks is a project review platform that enables engineers, construction professionals, and architects to evaluate their data and models with stakeholders during the pre-construction stage. This will ensure better control of their project outcomes. Navisworks’ products include Navisworks Manage and Navisworks Simulate.

Navisworks is a project review platform that enables engineers, construction professionals, and architects to evaluate their data and models with stakeholders during the pre-construction stage. This ensures better control of the project outcomes. Navisworks’ products include Navisworks Manage and Navisworks Simulate.

Navisworks Simulate includes 5D simulation capabilities as well as additional sophisticated functionalities to assist users in efficiently presenting project information. These include visualization, animation, quantification, and scheduling.

Autodesk BIM 360 Glue integration is also available. The platform includes a plethora of capabilities that appeal to management and review requirements. It enables users to accomplish projects more efficiently and rapidly, while also enhancing their bottom line.

Plan it Right Before You go On-Site

Benefits of Navisworks Clash Detection

The ability of Navisworks to merge design model inputs from construction experts, engineers, and project designers into a single model for assessment is one of its key advantages. Here are the key advantages that users can expect from the system:

I. Cost Effective with Reduced Errors

Navisworks clash detection platform can reduce project completion delays caused by clashes by streamlining workflows throughout the construction process.  Discrepancies can be detected and resolved quickly using Navisworks’ Manage edition. This keeps customers on the budget for their projects, prevents overspending, and saves a lot of time. 

Navisworks Clash Detection tool can be utilized to detect mistakes by running clash tests between 3D geometry and laser-scanned point clouds to ensure that they are within tolerance. Once clashes have been identified, each team can use their base programs, such as Tekla Structures or Revit, to address them. Other Navisworks products, such as Navisworks Manage and Navisworks Simulate, can be used with Clash Detective’s functionality.

II. Single Model Framework

Navisworks facilitates the generation of integrated models in which distinct frameworks are placed in their respective coordinates in a common context for improved project coordination and visualization. This coordination aids in the identification of clashes in the 3D model while supporting over 60 file types and interfacing with tools such as AutoCAD, Revit, and ReCap. Navisworks may help users save time by merging multiple construction data and designs into one model. Users can do this by using its model aggregation and publication features.

III. Photorealistic visualization

Autodesk Navisworks’ advanced simulation and rendering technologies enable photorealistic visualization that virtually creates exact representations of the design in 3D space. 3D visualization allows stakeholders to make material changes and modify information in real time, eliminating interdisciplinary disputes.

Navisworks now has a photorealistic rendering feature for 3D project walkthroughs, making it easier to spot clashes. Within the 3D environment, Navisworks Freedom enables walkthroughs with model spin, flip, and rotation while interacting with members of the design team.

IV. Time-Based Clash Detection

Navisworks can predict when two components or designs will occupy the same space during a project and detect collisions in the time sequence. In Navisworks, time-based clash detection can be set up for automated verification throughout the life of a project, allowing for review, rescheduling, and resolution of time-based discrepancies in project files.

V. Cloud Accessibility

The platform includes a simple but effective BIM 360 Glue that allows users and collaborators to exchange models in the cloud for easy access. This will result in more efficient work processes by removing bottlenecks caused by some team members’ inability to access critical project files.

VI. Automated Caching

One of the best features of Navisworks is that when a CAD file is opened in it, it automatically creates a Navisworks cache file. When you access the same CAD file in Navisworks again, the software checks for any changes in the file and updates the cache. If no changes are made, the cache file is loaded, allowing for faster viewing. When Navisworks is referring to numerous CAD files at the same time, it uses NWF files, and the Navisworks cache helps to speed up the loading of these CAD files.

VII. Reduced RFI’s

With the upgraded BIM technology, Navisworks can reduce the identification of building system clashes. This feature can drastically reduce RFI volume while also ensuring project completion.

VIII. Sustainable Designs

Navisworks Simulate ensures that the desired designs function in harmony with the environment.

Navisworks Clash Detection identifies and resolves spatial, sequencing, as well as other operational conflicts before construction, ensuring informed project management and error-free construction.

Scope of Clash Detection in the Modern Era

BIM clash detection has altered the world of construction design by allowing all stakeholders to visualize, understand, and eradicate clashes at the pre-construction stage. Navisworks has dominated the market as the go-to tool for detecting collisions.

Navisworks has become indispensable in BIM design workflows because of its remarkable capabilities such as time-based clash detection, photorealistic visualization, quick file sharing, and automated referencing of numerous CAD files. Civil engineers, architects, and structural engineers, as well as mechanical, electrical, and plumbing experts, are increasingly using Navisworks in construction projects. Navisworks Clash Detection is also being used by non-engineers who need to visualize a project.

To conclude, Clash detection programming and software will turn out to be all the more remarkable as time passes. Level 3 BIM-the fate of BIM innovation will make it conceivable to work on a particular collaborative and coordinated construction model, unlike the traditional methods where various models are united to shape a coordinated model. This would guarantee constant review and rectification, minimizing the chances of project clashes.

NAVISWORKS Clash Detection

As per studies conducted by McGraw-Hill Construction, BIM usage among general contractors grew from 50% to 74%. The trend seems to be on the rise. Large firms report 91% adoption while small firms report only 49% adoption of BIM.

However, BIM selection and implementation has its set of objections, fundamental among them being:

  • Large investment in expensive software
  • Scarcity of qualified and skilled resources
  • Infrastructure requirements to support BIM technology

Therefore Outsourcing BIM services is recommended as a proven, efficient and feasible solution to overcome the challenges of BIM implementation.

INDOVANCE Inc delivers a full range of BIM modeling projects. We work on parametric family creation, clash detection, model creation for all LOD (Level of Detail), 4D, 5D, and 6D support, and model phasing, as well. We also provide complete support for CAD to BIM, point cloud to BIM, and PDF to BIM conversions.

For more queries regarding any of the above-mentioned topics, feel free to connect with us on our website www.indovance.com, or contact us at +1-919-238-4044.

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