Rainwater retention infiltration facility / infiltration trench "New Trench-kun II"
Outstanding water treatment capability significantly reduces construction area! No piping work required, shortening the construction period! Equipped with maintenance features!
In accordance with the new technical guidelines of the Public Interest Incorporated Association for Rainwater Retention and Infiltration Technology, we have launched a model-changed new standard "New Trench-kun II" (product dimensions remain unchanged). Improvements have been made compared to the conventional model as follows: - Compliance with the new technical guidelines of the Public Interest Incorporated Association for Rainwater Retention and Infiltration Technology - Improved connection pieces for easier assembly - Elimination of transport pipe ribs, allowing for internal inspection of the tank with a camera The plastic rainwater retention and infiltration facility, infiltration trench "New Trench-kun II," significantly reduces construction area with its excellent void ratio. No piping work is required, assembly is extremely simple with one-touch connections, and construction time is shortened. It is compatible with T-25 and can be installed under parking lots. The unique internal maintenance function of New Trench-kun II makes maintenance very easy. Due to these features, a cost reduction of 0-40% compared to conventional crushed stone trenches is possible (this varies by administration, so please contact us for details). *New Trench-kun II is a previously registered product in the Ministry of Land, Infrastructure, Transport and Tourism's new technology information provision system 'NETIS' (old registration number KT-130092-A).
basic information
■Void ratio 94% Outstanding water treatment capacity significantly reduces construction area ■Easy construction Lightweight design of approximately 6.7 kg per unit makes construction easy! No piping work required, making the process simple! Shortened construction period! ■Built-in water pipe Smooth water flow due to the presence of a water pipe inside the tank ■Maintenance management Easy maintenance with transfer pipes to prevent clogging! Comprehensive measures against functional decline! ■Durable and long-lasting Compatible with T-25, suitable for installation under parking lots ■Ecology Environmentally friendly due to the use of recycled materials (recycled polypropylene) ■Reliable performance and quality Certified by the Public Interest Incorporated Association for Rainwater Storage and Infiltration Technology → Certification was renewed as of April 1, 2018 ● For a comparison with conventional crushed stone infiltration trenches, please see the detailed information below. ● For installation and maintenance photos, parts list, specifications, and other details of the rainwater storage infiltration facility "New Trench-kun," please refer to the catalog. ● New Trench-kun is a registered product in the Ministry of Land, Infrastructure, Transport and Tourism's new technology information provision system "NETIS" (NETIS No. KT-130092-A).
Price information
Please feel free to contact us.
Delivery Time
Applications/Examples of results
Our services are widely used in public facilities, factories, buildings, condominiums, commercial facilities, restaurants, land development, and more across the country. For more details, please contact us or refer to our comprehensive catalog "New Trench-kun," which includes a list of major delivery achievements. (We are offering a free comprehensive catalog to design professionals. Please feel free to contact us.)
Detailed information
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Comparison with conventional crushed stone trenches [Photo: Sand removed from inside the main body due to maintenance function] Void ratio: 94% compared to 25-35% for crushed stone Workability: New Trench-kun can be excavated, placed, and backfilled up to 40m/day with one excavator, one operator, and two regular workers, depending on site conditions Maintenance: Trenches experience a decrease in function due to soil particles flowing in and accumulating from initial rainwater. While it is difficult to address this with crushed stone, New Trench-kun allows for easy removal of accumulated sand and cleaning of the internal device Cost reduction: Cost reductions of approximately 0-40% are possible due to administrative measures
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14th Environmental and Equipment Design Award - Winner in "Category 1: Equipment and System Design" The Architectural Equipment Comprehensive Association, a general incorporated association, hosts the "Environmental and Equipment Design Award" to recognize and award excellent "Environmental and Equipment Designs" with the aim of providing accurate and objective evaluations of environmental and equipment design to the general public. New Trench-kun has won in "Category 1: Equipment and System Design," which targets designs that excel in aesthetics and functionality for versatile equipment, devices, and systems.
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News about this product（15）
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Notice of the Opening of the Osaka Branch Office
We are pleased to announce the opening of our Osaka branch office as detailed below. We kindly ask for your continued guidance and support. Location: 1-4-4 Dojimahama, Kita-ku, Osaka City, Osaka Prefecture, 530-0004 Aqua Dojima Fontana 3F Room 10 Phone number: Please contact our Tokyo headquarters at (03-3832-1617) Scheduled start date: Tuesday, October 1, 2019
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Notice of Participation in "Sewer Exhibition '19 Yokohama"
Chichibu Chemical will be exhibiting at the "Sewage Exhibition '19 Yokohama" held at Pacifico Yokohama from Tuesday, August 6. 【Exhibition Zone / Booth Number】 ■ Pipeline Materials / B410 【Exhibition Content】 ■ Display of Plastic Rainwater Runoff Control Facilities Chichibu Chemical's plastic rainwater runoff control facilities create underground storage space for rainwater to suppress runoff and mitigate flooding and inundation damage. Depending on the installation conditions, we use both infiltration and storage types; the infiltration type contributes to groundwater recharge and maintaining low water flow in rivers, while the storage type can also be utilized as rainwater utilization tanks. With components that balance lightweight and high strength, these facilities can be installed under parking lots with strength that meets Level 2 seismic motion (equivalent to the Great Hanshin-Awaji Earthquake) and live load T-25, while keeping total costs, including installation, low. *We sincerely look forward to your visit.
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We have launched a new standard "New Trench-kun II" that complies with the new technology guidelines for technical evaluation certification.
We have released a new standard model "New Trench-kun II," which has been redesigned in accordance with the new technical guidelines of the Public Interest Incorporated Association for Rainwater Retention and Infiltration Technology (the product dimensions remain unchanged). "New Trench-kun II" has the following improvements compared to the conventional model: - Compliance with the new technical guidelines of the Public Interest Incorporated Association for Rainwater Retention and Infiltration Technology - Improved connection pieces for easier assembly - Elimination of transfer pipe ribs, allowing for internal inspection of the tank using an inspection camera.
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Participation in the Ministry of Land, Infrastructure, Transport and Tourism's Construction Technology Exhibition "13th Term 12th Technical Seminar and Exhibited Technology Presentation."
On August 24 (Thursday) and 25 (Friday), 2017, we will participate in the "13th Term 12th Technical Conference and Exhibition of Technical Presentations" held at the Saitama Shintoshin Government Building No. 1, 2nd Floor Auditorium. We plan to give a presentation about New Trench-kun starting at 16:20 on August 24 (Thursday). We would be grateful for your enthusiastic participation. Saitama Shintoshin Government Building No. 1, 2nd Floor Auditorium 1-1 Shintoshin, Chuo Ward, Saitama City, Saitama Prefecture
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It was selected for the JICA 2017 project formulation survey.
In the fiscal year 2017, our proposed project "Feasibility Study on Plastic Rainwater Storage Structures" targeting Thailand was selected for the "Support Project for Overseas Expansion of Small and Medium Enterprises - Feasibility Study" by the Japan International Cooperation Agency (JICA). The contract was signed on August 18, 2017. In Thailand, which experiences heavy rainfall, flooding damage occurs frequently, and the lack of sewerage and drainage facilities is a significant issue. The impact of the 2011 Thailand floods on the Japanese supply chain is still fresh in our memories. This study will investigate the actual conditions of flooding damage, rainwater utilization, and ground conditions, primarily in Bangkok, and will examine the feasibility of deploying plastic rainwater storage structures.
