Revit Tip: Configuring Project Base Points and Survey Points for Accurate Revit Model Coordination

Setting up Project Base Points and Survey Points is crucial for ensuring the accuracy and coordination of your Revit model. This tip will guide you through the essential steps and best practices for configuring these critical reference points in your project.

Project Base Point (PBP) represents a known reference point in your project and is essential for maintaining consistency across your design. It is often used to establish the origin of the internal coordinate system in Revit.

Survey Point (SP) represents a known location on your site and is used to coordinate your model with real-world geographical data. It helps in aligning your project with site surveys and other external references.

Steps to Set Up Project Base Points and Survey Points:

• Open a view where you can see both the Project Base Point and the Survey Point, such as the Site Plan view.
• To reveal the PBP and SP, click on the Visibility/Graphics (VG) dialog box, and under the Site category, ensure that both Project Base Point and Survey Point are checked.
• Select the Project Base Point and click on the small paperclip icon to unclip it. This allows you to move the PBP without affecting the entire model.
• After unclipping, you can manually adjust the PBP by entering specific coordinates or by dragging it to the desired location.
• Repeat the process for the Survey Point. Unclip it first, then adjust its position to reflect the actual survey data.

Best Practices:

• Consistency: Establish a standardized approach for setting PBP and SP in all your projects to maintain consistency.
• Documentation: Document the process and ensure all team members are familiar with the procedure to avoid potential errors.
• Coordination: Regularly coordinate with surveyors and other stakeholders to ensure that the Survey Point remains accurate throughout the project lifecycle.
• Verification: After setting the PBP and SP, verify the coordinates by comparing them with known reference points or site plans.

Properly setting up Project Base Points and Survey Points eliminates inconsistencies and misalignments, ensuring your project is precisely coordinated from the outset.

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