Plastic underground rainwater storage tank Tenrain Stack for countermeasures against guerrilla heavy rain and flooding.
<Case studies available> A lightweight and simple structure plastic rainwater storage infiltration tank that excels in workability. For the suppression of rainwater runoff.
The plastic underground rainwater storage infiltration tank "Tenrain Stack" by TENSHO contributes to the suppression of rainwater runoff and the reduction of flooding damage by temporarily storing and infiltrating rainwater. With a simple dimension design of 0.75m in width, it is easy to calculate storage capacity and design facilities. It is also easy to assemble and has excellent workability since no joints are required. 【Features】 〇 Technical evaluation certification obtained from the Japan Rainwater Storage and Infiltration Technology Association 〇 Flexible design accommodating a minimum tank height of 0.28m, with increments of 0.25m 〇 Simple structure that is easy to calculate and design with a tank width of 0.75m 〇 Improved workability with no joints required and a four-component structure 〇 Reduction of transportation costs through pallet-less delivery and high-efficiency loading 《October 2026: Official website renewal!》 * CAD drawings are available for download, and a calculation form to check storage capacity and void ratio is currently published. Please see the related links for details. * Additionally, product details can be viewed in the product catalog and achievement collection from the 【PDF download】.
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basic information
【Scope of Application】 ■ Soil Cover: 0.30m to 1.30m ■ Maximum Burial Depth: Up to 2.70m ■ Maximum Trench Width: Up to 100m in both directions ■ Seismic Performance Evaluation: Corresponds to Level 2 earthquake motion ■ T-25 Live Load Compatible
Price information
We will assist you with materials only, complete material and labor, and design pricing. We can also introduce you to construction agents nationwide for the execution. Please feel free to contact us.
Delivery Time
Applications/Examples of results
It is widely adopted as a measure to suppress rainwater runoff during construction and development activities, as well as to mitigate flooding damage.
Detailed information
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This is an example installed with a minimum tank height of 0.28m. As such, detailed design adjustments tailored to the site conditions are possible.
catalog（2）
Download All Catalogs![[Catalog] Rainwater Storage Infiltration Tank "Tenrain Stack"](https://image.www.ipros.com/public/catalog/image/326170/IPROS15852133415956353919.jpg?w=120&h=170)
![[Data] Case Study Collection: Rainwater Storage Tanks and Rainwater Infiltration Facilities](https://image.www.ipros.com/public/catalog/image/01/574/666996/IPROS22912083949214333287.jpeg?w=120&h=170)
Company information
As technology advances, the speed of information and mechanization is accelerating, and we at TENSHO, as pioneers in the plastic industry, have continuously refined our technical skills while delivering numerous products. How far can we uncover the potential hidden within the material of synthetic resins? Driven by our passion for manufacturing that aims higher, we strive to create products that transcend the realm of plastics, crossing fields such as electronics and electronic devices, and enduring through the ages. We are expanding the wings of limitless creativity while evolving our unique technology.
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