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  6. Leave the drainage repair work to us! "Neplus Method Construction Achievement Case Collection"

Leave the drainage repair work to us! "Neplus Method Construction Achievement Case Collection"

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last updated:Oct 07, 2025

ネプラス工法全国会 本部
ネプラス工法全国会 本部
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【※Looking for construction partners!】 The Neplus method is a technique that repairs only the upper part of damaged gutters! Cost reduction, resource and energy conservation, and shortened construction time!

The "Neplus Method's advantages" introduce a new approach that completely replaces the traditional method of replacing entire drainage ditches, by cutting and repairing only the damaged upper part of the ditch, showcasing the benefits of this rational method. The "Neplus Method" not only shortens construction time compared to conventional methods but also reduces costs and minimizes waste materials. 【Features】 ■ Construction waste reduced by 80% compared to conventional methods ■ Excavation residual soil reduced by 100% compared to conventional methods ■ Can be implemented even when structures are close together ■ Immediate traffic reopening for resident peace of mind ■ Reduction of social losses due to traffic restrictions ■ No need for temporary drainage channels, reducing expenses ■ Capable of construction under various conditions 【Contents】 ■ What is the Neplus Method? ■ Features of the Neplus Method ■ Construction methods ■ Case studies * Registration period for NETIS ended in March 2017 (Registration number HR-060021) * For more details, please refer to the PDF document or feel free to contact us.

    Earthworks
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Leave the drainage repair work to us! "Neplus Method Construction Achievement Case Collection"

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The "Gutter Upper Renovation Method (Neplus Method)" has received the "Regional Contribution Technology Award," which recognizes technologies that contribute to solving local issues through the utilization and application of unique construction techniques. It was praised for enabling easy construction even in areas close to residential structures, minimizing the impact on nearby residents. *For more details, please refer to the PDF document or feel free to contact us.*

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- Drainage ditch repair work *For more details, please refer to the PDF document or feel free to contact us.

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Leave the drainage repair work to us! "Neplus Method Construction Achievement Case Collection"

Leave the drainage repair work to us! "Neplus Method Construction Achievement Case Collection"

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Leave the side ditch repair work to us! "Neplus Method Construction Achievement Case Collection (Highway Version)"

Leave the side ditch repair work to us! "Neplus Method Construction Achievement Case Collection (Highway Version)"

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Leave the roadside ditch repair work to us! "Neplus Method Construction Achievement Case Collection (Kanto Edition)"

Leave the roadside ditch repair work to us! "Neplus Method Construction Achievement Case Collection (Kanto Edition)"

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Neplus construction method procedure

Neplus construction method procedure

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Drainage Ditch Upper Renovation System "Neplus Method"

Drainage Ditch Upper Renovation System "Neplus Method"

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Case Studies of On-Site Cast-in-Place Gutters

Case Studies of On-Site Cast-in-Place Gutters

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ネプラス工法全国会

ネプラス工法全国会 本部

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The Neplus Method National Association is an organization that promotes the expansion of the "Neplus Method" for the repair of the upper part of drainage ditches, provides technical support, manufactures and supplies products, and offers technical assistance to construction partners. The Neplus Method involves removing only the damaged upper part of the drainage ditch with a specialized cutting machine and installing new repair products to renew the ditch. The construction period is quick, allowing for immediate traffic reopening if about 10 meters are completed in a day. Additionally, it can be easily implemented even in ditches close to structures or underground installations without the need for excavation. We have handled numerous drainage repair projects to date. If you have any issues with drainage work, please feel free to contact us.

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