Box type! At 80% water depth, it exceeds the flow rate of drop cover U-shaped ditches at all slopes.
The "RPCA-Cosmodrain" features a slip-resistant (patterned) finish on its surface, making it a circular side ditch that effectively prevents slipping. It is a product that meets the evaluation standards of the Japan Precast Concrete Products Technology Association. At 80% water depth, it outperforms the flow rate of conventional U-shaped ditches with covers across all slopes. Additionally, being a box-type design, it does not produce rattling noise or corner chipping caused by vehicle traffic, unlike traditional covered ditches. 【Features】 ■ Box-type design ■ No rattling noise or corner chipping from vehicle traffic ■ Outperforms the flow rate of conventional U-shaped ditches with covers at 80% water depth across all slopes ■ Slip-resistant finish on the surface for effective slip prevention ■ Meets the evaluation standards of the Japan Precast Concrete Products Technology Association *For more details, please refer to the PDF materials or feel free to contact us.
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【Lineup】 ■ Gutter Type ■ Street Drain Type ■ Permeable Pavement Type ■ Cross Type ■ Grating Type *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Since our founding in 1925, we have contributed to the development of Japan's land through concrete products. From Sendai in the north to Hiroshima in the south, we respond to inquiries from various regions through a wide network. We have also established a system for delivering products from our own factory and manufacturing partners across the country. We offer over 1,800 types of products, the majority of which are original. We propose many products that contribute to "national resilience" as disaster prevention and mitigation measures against typhoons, floods, water damage, and landslides. With the motto "Proposal and technical capabilities that shape the future of Japan," we strive to meet our customers' expectations.