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  1. Home
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  5. Rainwater infiltration facilities
  6. Rainwater dispersion and infiltration tunnel "Drening"

Rainwater dispersion and infiltration tunnel "Drening"

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DRENING

last updated:Jul 17, 2026

塚本エージェンシー  イタリア Geoplast S.p.A 代理店
塚本エージェンシー  イタリア Geoplast S.p.A 代理店
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An ideal solution for rainwater management in parking lots! Promotes infiltration into the subsoil to prevent flooding.

"Draining" is a tunnel designed for rainwater dispersion and infiltration, allowing for easy construction due to its capability for shallow excavation. It is ideal for rainwater management, significantly reducing the volume of water on the surface and promoting infiltration into the subsoil to prevent flooding. Additionally, it can be installed easily and quickly, enabling the construction of large drainage systems in a short time. [Features] - This product has been recognized by GBC Italy for its contribution to achieving LEED certification. - Easy construction due to the ability to work with shallow excavation - Lightweight, weighing less than 10 kg per unit - Can be handled manually without relying on mechanical means *For more details, please refer to the PDF materials or feel free to contact us.*

    Flood prevention facilities, fire tanks, and flood control pondsRainwater infiltration facilitiesDrainage and water removal
ドレニング.PNG

Rainwater dispersion and infiltration tunnel "Drening"

ドレニング.PNG
ドレニング.PNG
  • Related Link - https://tsukamoto-agency.jp/%E3%82%A6%E3%82%A9%E3%…

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basic information

【Specifications】 ■ Design considering ventilation routes and inspection openings ■ Reinforced arch structure capable of withstanding heavy loads ■ Draining cover suitable for pipes with diameters from 60mm to 320mm ■ Double overlap hooking to stabilize connections between components ■ Grooves on the bottom surface and side walls create a permeable area of 12,400 cm² *For more details, please refer to the PDF document or feel free to contact us.

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Prices vary depending on quantity and type. Please feel free to contact us.

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Applications/Examples of results

[Examples of Achievements] ■ Use at the overflow outlet of rainwater storage tanks ■ Use as an infiltration tank after the filtration system ■ Use at the outlet after treatment in a non-collection wastewater system *For more details, please refer to the PDF materials or feel free to contact us.

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塚本エージェンシー

塚本エージェンシー  イタリア Geoplast S.p.A 代理店

Building materials, supplies and fixtures manufacturers

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Geoplast is a leading company based in northern Italy that specializes in cutting-edge recycled plastic products for the construction industry. Even after their products reach the end of their life cycle, they are horizontally recycled, contributing to decarbonization and the advancement of Construction GX. In Japan, Tsukamoto Agency, Geoplast’s authorized distributor, serves as the company’s point of contact.

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