Introduction of a case where a transparent type of Arch Drain was used to implement extensive leakage measures in the tunnel of National Route 33!
This is an introduction to a case of leak prevention work in the Sagawa Tunnel in Sagawa Town, Takaoka District, Kochi Prefecture, using "face drainage works." There was a widespread occurrence of leaks within the tunnel, and there was a request to ensure that the flow of water could be visualized even after construction. By using a transparent type of arch drain, extensive leak prevention measures were implemented in the tunnel on National Route 33, making it easier to visualize the flow of water over a wide area, and allowing for proper drainage conditions to be confirmed even after construction. [Challenges] - Widespread leaks were occurring within the tunnel. - There was a request to ensure that the flow of water could be visualized even after construction. *For more details, please download the PDF or feel free to contact us.
Inquire About This Product
basic information
【Results】 ■ The flow of water over a wide area has become easier to see. ■ It has become possible to confirm appropriate drainage conditions even after construction. ■ Even on the heavily trafficked National Route 33, the aesthetic appeal has been maintained more than a year after construction. ■ Excellent results have been achieved in terms of both durability and functionality. *For more details, please download the PDF or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please download the PDF or feel free to contact us.
catalog（1）
Download All Catalogs
News about this product（1）
Company information
Founded as a manufacturing company for drainage pipes and underground drainage systems, we at Nihon Doren believe it is our mission to address the diverse needs related to safety and security, such as the maintenance and preservation of structures and environmental measures, even as social environments change. We have set forth our purpose as "Eliminating water-related troubles from around the world through innovative manufacturing and heartfelt activities." With the mission of "Pursuing the best and solving problems at the fastest pace as professionals in drainage," each of our employees will continue to engage in creative thinking and challenges for the development of better products and new applications.
![[Example of Surface Water Works] Sado Circular Route, Taka Tunnel at Hage](https://image.www.ipros.com/public/product/image/25c/2001516382/IPROS12023327771857166432.jpg?w=280&h=280)
![[Example of Face Water Control Work] Hisakurizaka Tunnel](https://image.www.ipros.com/public/product/image/22b/2001516380/IPROS11810534268222199985.jpg?w=280&h=280)
