Preimage recently had the opportunity to collaborate with Precast India on an exciting project: revamping the campus of COEP (College of Engineering Pune). Known for its rich legacy in engineering education, COEP’s campus blends historical architecture with modern infrastructure, making it both a challenging and exciting site for renovation. The goal was to create a detailed, actionable 3D model of the campus to guide design and planning. However, the project came with several unique challenges that tested our innovative approach to 3D scanning technology.

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Challenges We Overcame

1. No Campus Shutdown for Scanning:

Typically, 3D scanning requires closing off parts of a building or site to avoid disruptions. However, since COEP's campus had to remain operational throughout, we couldn’t afford to halt daily activities. Using our small, consumer-grade 360-degree camera, Preimage was able to perform the scan without requiring campus shutdowns. The camera’s portability allowed us to work around busy areas and quickly capture the site without disrupting students or faculty.

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2. Natural Obstacles: The Banyan Trees:

Two massive banyan trees on the campus presented a unique challenge in capturing the site accurately. We needed to ensure that the trees were captured in detail while maintaining the integrity of the surrounding structures and spaces. Our team carefully planned the scanning route, working around the trees to ensure that every angle was covered. The flexibility of our 360-degree camera allowed us to navigate these obstacles efficiently while capturing the trees in high resolution, ensuring no detail was missed.

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3. Climbing for the Perfect Angle:

One of our team members even climbed to the roof to get a better vantage point for the scan, showing our dedication to capturing every angle of the campus. While this was a humorous moment, it also showcased our commitment to getting the perfect shot. The portable camera allowed us to quickly capture the necessary angles from a variety of heights and perspectives, even those hard-to-reach spots, ensuring a comprehensive 3D model.

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The Preimage Advantage

Despite these challenges, Preimage was able to deliver a comprehensive and accurate 3D model of COEP’s campus in a fraction of the time it would take using traditional methods. Here's how we did it:

1. Fast Scanning

Traditional 3D scanning solutions typically take 5 to 6 hours to complete a site scan of this size and complexity. Preimage completed the entire scan in just 1 hour, capturing every building, tree, and pathway in high resolution.

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2. Efficient Data Processing

After capturing the site, our AI-driven platform processed the data into a dense point cloud, a detailed 3D representation of the campus, in just 2 hours. In comparison, traditional methods would require days for similar processing.

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3. Quick Delivery

Once the data was processed, the results were delivered to Precast India and COEP within 2 days, ensuring that the project stayed on track with no delays.

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4. Georeferencing and Alignment

Using georeferencing, we ensured that the 3D model aligned perfectly with real-world coordinates, providing a precise digital map of the campus. This alignment was crucial for accurate planning and integration with design software.

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5. Seamless Integration with Revit

Preimage’s 3D model was fully compatible with Revit, enabling smooth integration into COEP’s renovation plans. This allowed architects and engineers to work directly from the 3D model for detailed design and analysis, improving collaboration and accuracy in the project.

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Results

By using Preimage’s 3D scanning technology, we achieved the following:‍

• ‍Scan Time: 1 hour, compared to 5 to 6 hours with traditional solutions.

• Processing Time: 2 hours, significantly faster than the multi-day processing of traditional methods.

• Delivery Time: Results delivered within 2 days, allowing the design and planning phases to proceed without interruption.

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The Impact: A Lasting Relationship

The success of this project not only benefited Precast India and COEP but also helped forge a strong and lasting relationship between Precast India and Preimage. The streamlined process and accurate results led Precast India to recommend our services to other clients, showcasing the real-world impact of AI-driven 3D scanning technology. Our ability to deliver in record time, with minimal disruption to daily operations, has positioned us as a trusted partner in the field of digital transformation for the construction and infrastructure industry.

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Looking Ahead

This project sets a new benchmark for the speed, efficiency, and accuracy of campus renovations. We are excited to continue collaborating with Precast India and other clients to bring our 3D scanning solutions to new heights, transforming the way buildings are planned, designed, and renovated.

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