Case Study: Enhancing Lidl's Regional Distribution Centres with Aerial Surveys

Client: Lidl UK

Service Provided: Aerial Surveying

Technology Used: DJI Matrice 300 RTK

Objective: To provide highly accurate aerial surveys that complement existing ground-based topographical surveys

Background

Lidl UK sought to enhance their regional distribution centres' site management and planning through improved survey accuracy. The goal was to integrate aerial survey data with existing ground-based topographical surveys to create a comprehensive and precise dataset for planning and operational purposes.

Challenge

The primary challenge was to deliver high-resolution aerial data that would seamlessly integrate with existing ground-based surveys. The site included expansive areas with complex terrain and infrastructure, necessitating a solution that could offer precise measurements and detailed imagery.

Solution

Castle Surveys Ltd was tasked with carrying out aerial surveys of Lidl’s regional distribution centres using our advanced DJI Matrice 300 RTK drone. This cutting-edge equipment was selected for its precision and reliability in capturing detailed aerial data.

1. Pre-Survey Planning

- Site Assessment: Our team conducted a thorough review of the site’s layout and specific requirements to determine the optimal survey approach.

- Flight Planning: Detailed flight plans were created, considering factors such as flight altitude, overlap, and ground control points to ensure comprehensive coverage and accuracy.

2. Aerial Data Collection

- Drone Deployment: The DJI Matrice 300 RTK was deployed to capture high-resolution images and data. Equipped with a high-precision GNSS system, the drone provided accurate positioning and stable flight, essential for detailed surveys.

- Data Capture: We executed multiple flight missions over the distribution centres, ensuring complete coverage of the areas of interest. The drone’s advanced sensors collected detailed imagery and elevation data.

3. Data Processing and Integration

- Processing: The collected aerial data was processed using state-of-the-art photogrammetry software. This step involved stitching images together to create detailed orthophotos and 3D models.

- Integration: The processed aerial data was meticulously aligned with the existing ground-based topographical surveys. This integration ensured that the aerial outputs complemented and enhanced the accuracy of the existing data.

4. Quality Assurance

- Verification: Our team conducted rigorous quality checks to verify the accuracy and completeness of the data. This included comparing aerial survey results with ground control points and existing survey data.

- Final Adjustments: Any discrepancies were addressed to ensure that the final outputs were of the highest quality and fully aligned with Lidl’s requirements.

Results

- Enhanced Accuracy: The aerial surveys provided highly accurate and detailed data that complemented Lidl’s existing ground-based topographical surveys. The integration of aerial and ground data resulted in a comprehensive and precise dataset.

- Detailed Imagery: The high-resolution imagery captured by the DJI Matrice 300 RTK offered clear and detailed visual representations of the distribution centres, aiding in better planning and decision-making.

- Efficient Workflow: The use of aerial surveys allowed for quicker data collection over large areas, significantly speeding up the surveying process compared to traditional ground-based methods.

Conclusion

Castle Surveys Ltd successfully utilised the DJI Matrice 300 RTK to deliver highly accurate aerial surveys of Lidl’s regional distribution centres. By integrating these surveys with existing ground-based data, we provided Lidl with a comprehensive and detailed dataset, enhancing their site management and planning capabilities. This project highlights the effectiveness of combining advanced aerial technology with traditional surveying methods to achieve superior results.

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