List of Civil Engineering products

  • classification:Civil Engineering

766~810 item / All 7976 items

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Introducing examples of handrail production that ensures safety with appropriate costs and short delivery times!

  • handrail

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Clear visibility with transparent glass! Recommended for store and building entrances.

  • Disaster prevention fittings
  • Entrance/Exterior Doors

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Equipped with powerful features that are expected to become the industry standard for 3D CAD in the future, known as Synchronous Technology.

  • Earthworks

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A security light that can be used in multiple ways that has never existed before!?

  • Road construction

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Introducing examples where the sewer quick project "micro-scale treatment facilities" is expected to be adopted!

  • Sewerage facilities

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Densifying concrete and extending the lifespan of open channels!

  • Agricultural civil engineering works

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The size of the crushing chamber is 840×1028mm! The main materials are special steel, alloy steel, SS400, and others.

  • Waste treatment facilities

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A pocket-type rockfall protection net designed to pursue "clear safety" through certification and verification by a public third-party organization, featuring high energy absorption.

  • Other civil engineering works

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[Case Study] Adopted in JR's track construction! Introduction of resin-based flooring boards as a replacement for steel plates and plywood.

  • Earthworks

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[Factory (Worksite) Introduction Case] For floor protection during heavy object transfer!

  • Earthworks

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Contributes to reducing installation costs and labor-saving in material replacement! It has a good noise reduction effect compared to vibration-damping slab tracks.

  • Railway Construction

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8th Railway Technology Exhibition

We will be exhibiting at the 8th Railway Technology Exhibition held at Makuhari Messe from November 8 (Wednesday) to November 10 (Friday). Our booth is located at Hall 6, P-33. Highlights include our new product, the revolutionary Polygon stopper, as well as a new type of fastening device (non-screw fastening device) currently under development, and we will also clearly introduce our long-selling products using actual samples. We look forward to your visit to our booth.

Melting the snow on the roof cleanly with just the heat from the well water.

  • Exterior snow melting equipment

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For leak prevention in tunnels and underground structures! Lightweight and shock-resistant plastic gutters.

  • IPROS7260307781873547841 (1).jpg
  • Bridge Construction

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2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.

The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.

The fusion of grating and screen: "Screen Grating." Gentle on the Earth, keeping rivers and seas clean. Catching waste. Preventing waste from flowing downstream.

  • Agricultural civil engineering works

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We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)

We have renewed our homepage. A variety of the latest grating products are now featured. - The award-winning new form of grating, "Safety Walker" - High-strength OG Super High Ten Grating made of stainless steel with a new manufacturing method, "Fine Grate" - Easy-to-fix grating and striped steel plate cover for U-shaped gutters, "OG Lock Series" - Barrier-free grating, "Neo Slit" - Pursuing slip resistance, safety, and design, "Premium Expand" - Wooden grating made from recycled thinning wood, "Eco Wood Grating" - Environmentally friendly grating using recycled plastic chips, "Eco Pla Grating" And many more are featured.

This is a bracket for mounting a road reflector (large curve mirror) on a thick pole like a utility pole using a flexible band.

  • Paving of sidewalks, roads, parking lots and stadiums

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Anchor the support to the concrete wall. It can be installed on the wall surface even in places where there is no space for a foundation or where embedding is not possible.

  • Road construction

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This is a bracket that can be installed on a wall to place a road mirror in locations where a support cannot be erected.

  • Paving of sidewalks, roads, parking lots and stadiums

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This is a bracket that can be attached to support pillars, wall-mounted fixtures, or utility poles to create a two-sided mirror.

  • Paving of sidewalks, roads, parking lots and stadiums

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Leave it to us for iron scraps, motor scraps, PC server scraps, stainless steel scraps, and more!

  • Waste treatment facilities

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A case that proposed the possibility of improving operational efficiency and reducing costs through unified management.

  • Waste treatment facilities

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It is possible to significantly reduce the burden of back-office operations and cut costs!

  • Waste treatment facilities

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An example of significant improvement in back-office productivity due to the advancement of internal awareness regarding the separation of used paper.

  • Waste treatment facilities

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Introducing the advantages of battery-operated water level gauges! Easy relocation enhances the image for clients! Also serves as material for technical proposals and creative ideas!

  • River construction

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Three-color indicator light: Convenient usage techniques in conjunction with battery-operated water level gauge.

We would like to introduce convenient ways to utilize the newly released product, the "Three-Color Indicator Light," which was developed based on feedback from everyone. The "Three-Color Indicator Light" can be combined with a "Battery-Powered Water Level Gauge" to sound alarms based on segmented water level observations. Usage Examples: Monitor water level observations in three stages and take appropriate actions according to the level. Detect the risk of rapid water level rise during rainfall and take early preventive actions to ensure safety. - Set the baseline water level of 2m as Level 1: The green indicator light rotates, indicating standby. - Set the baseline water level of 4m as Level 2: The yellow indicator light rotates, indicating caution. - Set the baseline water level of 5m as Level 3: The red indicator light rotates, indicating evacuation. Additionally, the "Disaster Prevention Light" can display messages for workers and community members on a daily basis. Raising awareness of safety measures at the site is crucial through consistent practices such as daily KY (Kiken Yochi, or hazard prediction) and pointing out dangerous areas and points of caution. Let’s continuously display what to be cautious about during this season and strive to improve safety awareness across the entire site. Please feel free to utilize this for safety measures at the site, as well as for technical proposals and creative ideas. *For more details, please refer to the PDF document or feel free to contact us.

Laser processing and hot-dip galvanizing finish for striped steel plates! For tunnel inspection road installation work, please let us know your requests for "products like this."

  • Tunnel construction

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We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)

We have renewed our homepage. A variety of the latest grating products are now featured. - The award-winning new form of grating, "Safety Walker" - High-strength OG Super High Ten Grating made of stainless steel with a new manufacturing method, "Fine Grate" - Easy-to-fix grating and striped steel plate cover for U-shaped gutters, "OG Lock Series" - Barrier-free grating, "Neo Slit" - Pursuing slip resistance, safety, and design, "Premium Expand" - Wooden grating made from recycled thinning wood, "Eco Wood Grating" - Environmentally friendly grating using recycled plastic chips, "Eco Pla Grating" And many more are featured.

A must-have book for future development that discusses cutting-edge wireless power transfer technology for electric vehicles, including technologies for stationary and in-motion charging, internationa...

  • Paving of sidewalks, roads, parking lots and stadiums
  • Parking lot facility construction

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Piping and wiring burial system! Avoid obstacles with vertical and horizontal curves! Reduce total costs! "Challenging the creation of lifelines that run through the Earth and underground!"

  • Water Supply Facilities
  • Sewerage facilities
  • Agricultural civil engineering works

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This is a new type of biodegradable mulch sheet for agriculture, a new product that takes advantage of the strengths of wood fibers and biodegradable plastic fibers.

  • Safety and consumables
  • Various blocks
  • Agricultural civil engineering works

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Quality that lasts and a promise for a sustainable future. Japanese wooden architecture: Tradition and innovation.

  • Foundation construction

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Usage examples: Measures against strong winds during crane operations, prevention of material scattering, prevention of contact accidents.

  • Railway Construction

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【Factory/Warehouse】Correcting the tilt of concrete floors and voids beneath the floor caused by ground subsidence in as little as one day without stopping operations! Patented unique method!

  • Foundation construction

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We will be exhibiting at "Nagoya Robodex."

We will be exhibiting at the [Nagoya] Factory Innovation Week 7th Robodex, which will be held from October 23 (Wednesday) to October 25 (Friday), 2024. This exhibition showcases products and technologies related to robots, including industrial robots, assist suits, sensor systems, grippers, and development technologies for robots, all aimed at achieving "automation" in manufacturing. At the Upcon booth, we will introduce the "Upcon Method," which allows for the correction of floor subsidence and tilting that can hinder automation equipment in factories and logistics warehouses, without stopping operations and within a short timeframe. On the day of the event, we will conduct a demonstration of subsidence correction using polyurethane resin. We invite you to take this opportunity to see it. We look forward to your visit. 【Event Overview】 Exhibition Name: [Nagoya] Factory Innovation Week 7th Nagoya Robodex Dates: October 23 (Wednesday) to October 25 (Friday), 2024, 10:00 AM to 5:00 PM Location: Port Messe Nagoya, Hall 3 Exhibition Booth No.: N34-10

Correcting the tilt of concrete floors caused by earthquakes and ground subsidence without stopping operations and within a short period! Solving warehouse floor issues with polyurethane resin!

  • Foundation construction

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Filling the voids and correcting the unevenness in the concrete pavement slabs inside the highway tunnel without excavation and within a short construction period.

  • Road construction

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Display water level observations in three stages! Detect the risk of rapid water level rise and take early preventive action!

  • River construction

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sansyokukasen.png

Three-color indicator light: Convenient usage techniques in conjunction with battery-operated water level gauge.

We would like to introduce convenient ways to utilize the newly released product, the "Three-Color Indicator Light," which was developed based on feedback from everyone. The "Three-Color Indicator Light" can be combined with a "Battery-Powered Water Level Gauge" to sound alarms based on segmented water level observations. Usage Examples: Monitor water level observations in three stages and take appropriate actions according to the level. Detect the risk of rapid water level rise during rainfall and take early preventive actions to ensure safety. - Set the baseline water level of 2m as Level 1: The green indicator light rotates, indicating standby. - Set the baseline water level of 4m as Level 2: The yellow indicator light rotates, indicating caution. - Set the baseline water level of 5m as Level 3: The red indicator light rotates, indicating evacuation. Additionally, the "Disaster Prevention Light" can display messages for workers and community members on a daily basis. Raising awareness of safety measures at the site is crucial through consistent practices such as daily KY (Kiken Yochi, or hazard prediction) and pointing out dangerous areas and points of caution. Let’s continuously display what to be cautious about during this season and strive to improve safety awareness across the entire site. Please feel free to utilize this for safety measures at the site, as well as for technical proposals and creative ideas. *For more details, please refer to the PDF document or feel free to contact us.

There must be no obstructions, and wind speed must be managed rigorously. Technical proposals, creativity and ingenuity, marine conditions DX, safety measures during crane operations.

  • Harbor Construction

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Realizing safe and secure "pond maintenance" with seismic resistance through flexible structures!

  • MC底樋システム(サブ画像).jpg
  • Agricultural civil engineering works

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"Safety Walker," a flat-topped and durable grating installed at golf course companies in the Tokyo Stock Exchange Prime market. It is also resistant to clogging.

  • Other earthworks, foundation works, and exterior floors

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We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)

We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High Ten Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.

The footsteps of winter are just around the corner. An essential item for snowy regions: 'Snow Melting Drain Grating.' Safe, smart, and functional!

  • Exterior snow melting equipment

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"FRP checker plates" are lightweight and strong, with excellent corrosion resistance and electrical insulation properties, and are used in various applications without the worry of corrosion.

  • Coastal construction

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The "Safety Walker" installed on the premises of major companies in the Tokyo Stock Exchange Prime segment to suppress falling debris such as fallen leaves. A grating that is less likely to clog.

  • Harbor Construction

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We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)

We have renewed our homepage. A variety of the latest grating products are now featured. - The award-winning new form of grating, "Safety Walker" - High-strength OG Super High Ten Grating made of stainless steel with a new manufacturing method, "Fine Grate" - Easy-to-fix grating and striped steel plate cover for U-shaped gutters, "OG Lock Series" - Barrier-free grating, "Neo Slit" - Pursuing slip resistance, safety, and design, "Premium Expand" - Wooden grating made from recycled thinning wood, "Eco Wood Grating" - Environmentally friendly grating using recycled plastic chips, "Eco Pla Grating" And many more are featured.

The fusion of grating and screen, "Screen Grating." Gentle on the Earth, keeping rivers and seas clean. Catching trash. Preventing trash from flowing downstream.

  • Agricultural civil engineering works

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Active in public sites, commercial facilities, and other exterior construction projects! A stainless steel "decorative cover" that blends into the landscape, smart and beautiful!

  • Paving of sidewalks, roads, parking lots and stadiums

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Active in public sites, commercial facilities, and other architectural exterior construction and landscaping work! A stainless steel "decorative cover" that blends into the landscape, smart and beauti...

  • Paving of sidewalks, roads, parking lots and stadiums

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New model of stainless steel grating "Fine Grate" has arrived, demonstrating high durability against loads in the "twisting" direction! OG Super High Tensile Strength.

  • Harbor Construction

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NEW_HP.png

We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)

We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High Ten Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.

"Screening Grating." Keeping rivers and oceans clean and gentle on the Earth. A fusion of screens and grating for catching debris. Preventing waste from flowing downstream.

  • Agricultural civil engineering works

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A drainage channel formed along the curb! Finished with galvanized steel. The sliding mechanism enables a splash prevention structure! Grating with a trough-type receiving frame!

  • Paving of sidewalks, roads, parking lots and stadiums

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Laser processing and hot-dip galvanizing finish of striped steel plates! For tunnel inspection road installation work, please let us know your requests for "products like this."

  • Tunnel construction

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