The BIM (Building Information Modeling) process requires setting up data-sharing procedures. Due to the frequency of exchanges and the amount of data shared in the construction industry, the use of e-mails is not enough, neither in terms of capacity nor in terms of traceability. This is why it is necessary to set up specific information management solutions for the “platform” type. We are talking about Common Data Environment (CDE). A CDE centralizes the common data of the project and allows each of the actors to access it. The establishment of a CDE is a mandatory step for the implementation of BIM on a project.

What does Common Data Environment (CDE) mean in AEC?

A Common Data Environment (CDE) is a centralized system and digital platform specifically established for construction projects. It serves as the single source of information for the project, hosting and managing all the critical data, both graphical and non-graphical.

The CDE facilitates collaboration by integrating and sharing project data, workflows, and teams. This integration results in a single source of truth, enhancing efficiency and reducing risk across all phases of a construction project – from design and construction to operation.

The CDE is updated in real-time throughout the lifecycle of an asset, ensuring that all project team members have timely access to up-to-date, reliable project information. Its structured setup allows for a more controlled user access, ensuring that project participants can only review data to which they have access rights.

What are the Two Main Components of the Common Data Environment?

There are two aspects to take into account:

• On the one hand, an information management environment for managing data and documents. It can be a Drive or Dropbox file deposit server, an Electronic Document Management (EDM) solution, data integration solutions, or a combination of these solutions. This is necessary to allow consistency of information and files, and to facilitate sharing and collaboration.
• On the other hand, a project management environment for the management of calendars, schedules, assignment of tasks, dashboards, etc. This aspect is necessary to allow the smooth running of the BIM process, in coherence with the project process.

Some solutions make it possible to manage the two aspects of data centralization and project management more or less completely such as Catenda Hub. Solutions covering both needs have the advantage of allowing integration and continuity between the work and project’s massive amount of data, as well as simplifying the project solution environment.

The choice of the CDE must be made in coherence with the environment of solutions of the actors of the project and the desired functionalities. It is important to take into account the fact that each actor may already have implemented a platform solution for the conduct of their projects.

What Information of a Building Project is Included in a CDE?

Here’s a breakdown of the key information categories typically found within a CDE:

1. Project Design and Documentation:

• Drawings & BIM Models: This includes both 2D drawings and 3D Building Information Modeling (BIM) models. These visual representations provide a clear understanding of the project design for all team members and stakeholders. This function offers additional benefits like clash detection, improved coordination, and the ability to extract quantities for material estimation.
• Project Documents: Contracts, schedules, analytics reports, estimates, and specifications form the foundation of the project plan. These documents define the project scope, goal, timeline, budget, and quality expectations.

2. Project Communication and Transparency:

• Site Photos & Videos: Visual documentation of construction progress and task statuses allows for remote monitoring and provides a historical record of the project.
• Change Orders: Records of any modifications made to the original project design or scope are tracked within the CDE, ensuring transparency and clear communication.

3. Additional Project Information:

• Asset Information: For projects targeting facility management, the CDE can store information about building components and systems, aiding in future operation and maintenance.
• Design & Construction Processes: Capturing details of the design and construction processes within the CDE can be valuable for knowledge sharing and continuous improvement in future projects.

What are the main benefits of using a CDE platform?

CDEs are revolutionizing construction by streamlining workflows and boosting project success. Here’s why:

• Promoting feedback exchange & collaboration: CDEs break down silos, enabling real-time information sharing across disciplines. Discussion forums and document annotation tools fuel feedback exchange and transparent decision-making.
• Improving project quality & efficiency: Centralized document management ensures everyone’s on the same page. Version control eliminates outdated documents, while BIM integration prevents cost overruns and costly rework. CDEs can also automate tasks and track progress, improving efficiency.
• Enhancing data security & transparency: Robust security features like access controls, encryption, and audit trails safeguard sensitive project information. Transparency is also enhanced, as all changes are recored and documented.

• Enabling real-time access to updated data: Mobile phone accessibility empowers team members and different stakeholders with instant access to project updates, allowing for faster & better decision-making and improved project visibility.

• Gathering data for reuse & in-depth analysis: CDEs act as a treasure trove of BIM project data, empowering data analytical capabilities and providing valuable insights for future projects. By analyzing past performance, stakeholders can optimize designs, construction methods, and delivery strategies, paving the way for a more efficient construction future.

The Common Data Environment: an essential element of the BIM Execution Plan Files

In a collaborative exchange of models between different contributors, it is necessary to define a Common Data Environment which will be used for the needs of the project in coherence with the practices of the actors. The elements of the CDE are defined in the BIM Execution Plan on a project.

The main elements defined in the BIM Execution Plan for the CDE are:

• Identify the environment of information management solutions within the project;
• Define the information management environment chosen for the project;
• Define the chosen project management environment (if it is different from the information management environment).

Then, all the rules are to be described in the BIM Execution Plan or in specific documents annexed to it. The BIM Execution Plan must, therefore, define at least: environmental administrators and administration rules; the profiles of the actors and the access rights associated with the level of grain size required (directory, model, document, file, object, property); the access, collaboration and exchange procedures (frequency, mandatory or not, etc.) and more particularly the validation and dissemination circuits; control, validation and dissemination protocols for BIM data, models, files and documents.

What are the main criteria to choose the best CDE solution for more efficient construction workflow?

Selecting the optimal CDE solution involves careful consideration of several key criteria. To aid in this process, here are some core aspects to evaluate:

• User-Friendly Interface: The CDE solution should offer a simple, intuitive user interface. This will foster quick adoption and ensure efficient use by all project participants.
• Scalability: A robust CDE solution should be scalable, capable of accommodating small to large projects and growing with your business needs.
• Security and Access Control: Reliable security measures are essential. The solution should provide role-based access control, ensuring that only authorized personnel can access specific project information.
• Real-time Collaboration: The CDE should support effective, real-time collaboration. Seamless information sharing and communication across project teams are vital for efficient workflow.
• Integration Capabilities: The CDE solution should integrate smoothly with other software tools your team is already using, allowing for a streamlined workflow and minimizing disruption.
• Vendor Support: Good vendor support is crucial. This includes responsive client service, regular software updates, and resources for training and troubleshooting.
• Cost-Effectiveness: Lastly, consider the cost of the solution. It should offer value for money, considering its features, capabilities, and the efficiencies it brings to your construction workflow.

If you are AEC companies considering adopting a CDE for your project, don’t hesitate to take a step further and discover its benefits by talking to an industry expert. At Catenda, we are leaders in openBIM and are committed to being your technology partner. We can guide you through the essential aspects of openBIM, CDE implementation, and achieving success with transparency and good data management.