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*The project to map the underground galleries required a multidisciplinary approach to ensure high-quality data collection and maintain operational safety.*
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## Exploring The Depths With The Elios 3
Equipped with the Elios 3 and its LiDAR payload, the team set out to tackle the vast and complex network of underground galleries. Their primary objectives included:
1. Documenting previously undocumented areas to establish a clear layout and scale of the network.
2. Identifying assets and equipment scattered throughout the galleries.
3. Assessing the structural integrity of the concrete walls and floors, which had seen minimal maintenance over the years.
The galleries presented numerous challenges, including potential hazards like exposed wires submerged in water and obstructed pathways. The Elios 3 emerged as the perfect tool to navigate these obstacles, providing both data collection and real-time situational awareness.
*The Elios 3 was instrumental in exploring confined spaces and larger areas, ensuring thorough coverage of the entire network.*
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## Navigating Complex Environments
Operating in cold temperatures, the Elios 3 completed over 200 flights, collecting vital LiDAR and visual data across 13 kilometers of underground spaces. The Surveying Payload was deployed in particularly challenging areas, such as storm drains, where conventional LiDAR scanning proved difficult. In some instances, the team manually operated the drone to gather essential data.
Despite the complexities, the team successfully captured 1,776 points of interest during the 241 flights conducted over nine days. Post-flight data processing and mapping were intricate tasks, requiring close collaboration between all parties involved. Sweco created detailed LiDAR maps, overlaying them with surface maps to pinpoint the exact location of assets relative to the above-ground environment. This integration proved invaluable for future maintenance and operational planning.
*The final maps provide an accurate representation of the underground network, aiding in strategic planning.*
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## Looking Ahead
This ambitious project has spanned a year, fostering strong collaboration among all stakeholders. The comprehensive data collected will empower Brussels Mobility to optimize the management of these underground spaces. Future plans include sharing this information with utility companies to streamline maintenance efforts and exploring ways to repurpose the galleries for public benefit.
The success of this endeavor highlights the transformative power of drones in underground surveys. The Elios 3 not only delivered exceptional data but also ensured the safety of the team, even in challenging GPS-denied environments. Medexon-Flywel remains optimistic about the Elios 3's potential to tackle similar projects in the future, particularly with the advancements brought by the Surveying Payload.
For those interested in learning more about the Elios 3 and its capabilities, explore our accuracy reports.
*All images in this article are credited to CLP Power.*
Mapping 13 kilometers of underground technical galleries in Brussels
# Mapping 13 Kilometers Of Underground Technical Galleries In Brussels
## Benefits In A Nutshell
### Safety
The unknown conditions within the underground galleries posed significant challenges for data collection. Potential hazards such as exposed wiring, outdated machinery, or hazardous materials made the task risky. However, the Elios 3 proved to be a game-changer. Unlike traditional inspection methods, this drone offered a safe alternative, allowing us to gather crucial data without exposing personnel to danger.
### Speed
One of the standout advantages of using the Elios 3 was its speed. Scanning various sections of the galleries was swift and efficient, regardless of whether the areas were confined or expansive. This capability significantly accelerated data collection across the 13-kilometer network, saving valuable time and resources.
### Data Quality
The Elios 3, equipped with its advanced LiDAR payload, was put to work over nine intense days. During this period, we conducted 241 flights, recording and analyzing 1,776 points of interest. The resulting data provided invaluable insights into the condition of the galleries, enabling us to make informed decisions regarding their maintenance and optimization.
### Access
Accessing the underground galleries was no easy feat. Some areas were submerged in water, while others were cramped and narrow. The Elios 3's versatility shone through here, navigating diverse environments with ease. Its adaptability ensured that every section of the 13-kilometer network was thoroughly surveyed.
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## Brussels: A Hub Of Innovation
Brussels, often referred to as the "Capital of Europe," is a city of immense influence. Hosting the European Commission, it boasts a thriving international community, a bustling business sector, and a rich cultural scene. As a natural breeding ground for smart city initiatives, Brussels is at the forefront of adopting cutting-edge technologies to enhance urban living.
Smart cities leverage technology to gather data and optimize operations. From intelligent traffic systems to sustainable architecture, these cities rely on a blend of smart solutions, systematic improvements, and comprehensive asset management. Brussels Mobility recognized the importance of integrating these principles into their infrastructure management strategy.
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## Creating A Specialized Underground Survey Team
Brussels Mobility embarked on a mission to map and document the extensive underground galleries beneath the city. These galleries, some dating back decades, lacked up-to-date records. To address this, Brussels Mobility sought out a team of experts capable of conducting thorough surveys and creating detailed as-built records.
Partnering with SECO, Sweco, Medexon, and Flywel, Brussels Mobility formed a dream team of specialists. SECO, with expertise in engineering and construction, focused on identifying structural defects and assisting in data collection. Sweco, renowned for their engineering and architectural consultancy, played a pivotal role in processing and analyzing the gathered data. Medexon and Flywel brought their drone inspection expertise to the table, particularly the innovative Elios 3 drone.