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  6. [Case Study of Underwater Drone Implementation] Scour Investigation of River Bridges

[Case Study of Underwater Drone Implementation] Scour Investigation of River Bridges

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last updated:Jul 14, 2026

シー・エフ・デー販売 東京支店
シー・エフ・デー販売 東京支店
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Simultaneous depth measurement and close visual inspection + AI inspection! Expecting a reduction in survey days and work costs.

We would like to introduce a case study of underwater river bridge scour investigation and riverbed mapping for 500 meters upstream and downstream using the industrial underwater drone "FIFISH E-MASTER NAVI" from QYSEA, which we handle. The project was conducted with the main goals of quantifying the riverbed erosion conditions around the bridge piers, creating a 3D terrain model, and assessing future flood risk. By efficiently collecting dense data, we achieved accurate information gathering and reduced construction time, receiving praise for the groundbreaking aspect of generating mapping data from the underwater drone's depth measurement capabilities. 【Case Overview】 ■Challenge: Limitations of surveys dependent on divers ■Benefits ・Creation of mapping data using sonar ・Real-time inspection through AR surveying & AI inspection ・Automatic navigation function through underwater drone navigation capabilities *For more details, please download the PDF or feel free to contact us.

    Work boats, research vessels, underwater work machines
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[Case Study of Underwater Drone Implementation] Scour Investigation of River Bridges

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Omnidirectional 4K underwater drone 'Fifish V6'

Omnidirectional 4K underwater drone 'Fifish V6'

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Industrial omnidirectional 4K medium-sized underwater drone 'Fifish W6'

Industrial omnidirectional 4K medium-sized underwater drone 'Fifish W6'

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Industrial omnidirectional 4K medium-sized underwater drone "Fifish Pro W6"

Industrial omnidirectional 4K medium-sized underwater drone "Fifish Pro W6"

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シー・エフ・デー販売

シー・エフ・デー販売 東京支店

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Building on our solid foundation as a comprehensive supplier of PC components, we are a general trading company specializing in cutting-edge underwater drones from leading brands such as DJI, QYSEA, and CHASING. From IT equipment to drones, we offer one-stop, optimal solutions to address the diverse challenges faced by our corporate clients. ■ Comprehensive Support by Industry Veterans Our dedicated underwater drone team consists of seasoned professionals with extensive experience in consulting and resolving challenges for clients across various industries. We carefully assess your on-site environment and specific requirements to recommend the most suitable equipment for your needs. To ensure seamless implementation, we connect you with reliable local authorized dealers and offer tailored corporate services, including equipment rental and product selection support. ■ Revolutionizing Underwater Infrastructure Inspection: A Safe & Efficient Approach The deployment of underwater drones is fundamentally transforming infrastructure inspections, offering a modern alternative to traditional diver-based operations. Cost-Effective Operations with Minimal Personnel: By minimizing human risk, we help establish a safe, highly efficient, and low-cost inspection system. Advanced Surveying and Mapping Capabilities: Leveraging the latest models, we seamlessly provide high-level functionalities, including underwater positioning, surveying, and mapping.

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