In a groundbreaking achievement, researchers at IIT-Mandi, a premier institute in Himachal Pradesh, have developed a fish-shaped underwater vehicle called the ‘Fixed Thruster Underwater Vehicle’.
This innovative machine is capable of reaching depths of up to 200 metres in reservoirs, enabling detailed surveying of underwater conditions. The vehicle is designed to perform critical tasks such as checking sediment buildup and inspecting the structural integrity of dam walls.
Revolutionising dam surveillance
Post-construction, it is essential to monitor the geographical conditions of the reservoirs created by dams. However, without proper equipment, it is often impossible to assess critical factors such as the amount of silt accumulated or the safety of the internal dam walls.
The Fixed Thruster Underwater Vehicle is designed to address these challenges, offering an efficient and reliable means of surveying and inspecting underwater areas.
The vehicle was developed in collaboration between IIT-Mandi and IIT-Palakkad and is the second such project created by the institutions. Earlier, a similar fish-shaped project was created to study oceanic movements and activities.
Key features and benefits
According to Assistant Professor Jagdish from IIT-Mandi, the Fixed Thruster Underwater Vehicle can dive up to 200 metres underwater, making it suitable for conducting surveys in deep reservoirs.
The vehicle provides detailed insights into the amount of silt accumulation in reservoirs and allows for an in-depth inspection of the internal walls of dams.
The precise data collected by this vehicle can help identify any cracks or structural issues in the dam walls, ensuring safety and longevity.
The vehicle is designed to replace the current method of using divers for underwater inspection and small tasks. As Professor Jagdish highlighted, the vehicle is capable of performing tasks like underwater welding and cutting, which are otherwise handled by divers.
Successful trial in Sundernagar reservoir
Assistant Professor Jagdish also shared that the underwater vehicle was successfully tested at the Sundernagar reservoir with the assistance of the BBMB (Bhakra Beas Management Board).
The trial yielded positive results and the team is now working towards officially approving the project for widespread use. Once officially sanctioned, the vehicle is expected to significantly improve the efficiency and safety of underwater inspections in dam reservoirs across the state and beyond.
Sunil Chadha
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