丸栄コンクリート工業 List of Products and Services

The "L-shaped water channel with a 3% slope" is a product that can also be used for landscape water channels, such as stone-paved reliefs. The width of the water channel can be freely selected. You can gradually widen or narrow the channel width at any point along the water channel as you wish. For more details, please refer to the related catalog. 【Features】 ■ Landscape-compatible ■ Width of the water channel can be freely selected ■ Can be used for landscape water channels, such as stone-paved reliefs ■ A wide variety of sizes available *For more information, please refer to the PDF materials or feel free to contact us.

• Various blocks

This product is a water channel that allows for the gradual widening or narrowing of the channel width at will. Landscape water channels, such as stone-paved reliefs, are also possible. We offer a wide variety of sizes. Additionally, the main reinforcing bars for the on-site casting section are fundamentally tied to the protruding reinforcing bars, and if internal water pressure is to be considered based on design conditions, reinforcement will also be provided on the inside. 【Features】 ■ Landscape water channels, such as stone-paved reliefs, are possible ■ A wide variety of sizes available ■ Channel width can be freely selected ■ The channel width can be gradually widened or narrowed at will along the channel *For more details, please refer to the PDF materials or feel free to contact us.

• Various blocks

This catalog provides an overview of the "drainage channels" that our company handles. We offer a lineup including the "L-shaped drainage channel," which allows for flexible width selection, the "L-shaped drainage channel with a 3% slope" designed for aesthetic compatibility, and the "C-shaped drainage channel," which can be used as a walkway. Additionally, we feature products such as "hybrid prefabricated drainage channels," "water distribution valves," "weep holes," and "filters." We encourage you to utilize this information for selecting products. 【Featured Products (Partial)】 ■ L-shaped drainage channel ■ L-shaped drainage channel with a 3% slope ■ L-shaped drainage channel for agricultural civil engineering association ■ C-shaped drainage channel ■ U-shaped culvert A for road use ■ U-shaped culvert A for walkway use *For more details, please refer to the PDF document or feel free to contact us.

• Stacking blocks
• Various blocks

The "Emacube" is a disaster toilet tank installed in disaster prevention parks, allowing for the provision of emergency toilets. With a variety of box cross-sections (internal height, internal width, number of connections), it can accommodate various capacities. By simply surrounding it with temporary tents, it can be used as a toilet immediately while ensuring privacy. The maintenance access hole can also be designed with a parent-child lid for toilets, eliminating waste. Additionally, it can be connected to sewage or wastewater pipes to discharge waste. 【Features】 ■ Emergency toilets can be secured ■ If a large temporary tent is set up at the end, it can also be used by wheelchair users ■ The maintenance access hole is designed with a parent-child lid for toilets, eliminating waste ■ A variety of box cross-sections (internal height, internal width, number of connections) accommodate various capacities ■ It is also possible to pour inverted concrete inside and create a slope for maintenance *For more details, please refer to the PDF document or feel free to contact us.

• Outdoor toilet unit
• others

Our "Fire Water Tank / Seismic Resistant Water Tank" is a certified product by the Japan Fire Equipment Safety Center (JFS). Depending on the installation category, we offer Type I (for open spaces) and Type II (for road use T-20). The capacity for the fire water tank is 40m³, while the seismic resistant water tank is available in capacities of 40m³, 60m³, 70m³, 80m³, 90m³, and 100m³. The joints are equipped with elastic packing and joint caulking, and are vertically tightened with PC strands to shut out leaks. All components, including the main body, bottom installation pit (collection pit), and suction pipe insertion hole, are precast, significantly reducing construction time compared to on-site pouring. 【Features】 ■ Certified product by the Japan Fire Equipment Safety Center ■ Joints are equipped with elastic packing and joint caulking ■ Vertically tightened with PC strands to shut out leaks ■ All components, including the main body, bottom installation pit (collection pit), and suction pipe insertion hole, are precast ■ Capacity ・ Fire water tank: 40m³ ・ Seismic resistant water tank: 40m³, 60m³, 70m³, 80m³, 90m³, 100m³ *For more details, please refer to the PDF document or feel free to contact us.

• Flood prevention facilities, fire tanks, and flood control ponds

"GeoPool" is a plastic underground rainwater storage facility that efficiently controls rainwater in a limited space with a retention rate of 93%. It can be assembled at a rate of approximately 200m3 per day, significantly shortening construction time. Additionally, it can reduce costs by 30-40% compared to concrete structures. Inspection manholes are installed, allowing for visual inspection inside the tank, making maintenance easy. Two types of tanks can be constructed: retention type and infiltration type, catering to various needs. 【Features】 ■ Passable by T-25 to 120t tow trucks (conditions apply) ■ Operable by 70t rough terrain cranes (conditions apply) ■ Eco Mark certified ■ Sufficient durability ■ Seismic performance (Level 2) ■ 10-year warranty *For more details, please refer to the PDF document or feel free to contact us.

• Flood prevention facilities, fire tanks, and flood control ponds
• Rainwater tank

"Riserain Stadium II" is a storage facility that consists of a rainwater retention tank or infiltration tank, formed by stacking plastic components and wrapping them with a waterproof sheet or a permeable sheet, which includes multiple tunnel structures. The main components have handles for easy manual installation, and the side panel components can be attached with a single touch. Utilizing the tunnel structure inside the tank, cleaning operations can be performed using maintenance tools (self-propelled cameras, vacuum hoses). Additionally, since this component can be delivered to the site without using pallets, there is no need for pallet collection or industrial waste disposal after construction. 【Features】 ■ The main components have handles for easy manual installation. ■ The side panel components can be attached with a single touch. ■ Cleaning operations can be performed using maintenance tools (self-propelled cameras, vacuum hoses). ■ Some materials used are recycled materials. ■ Complies with the Ministry of the Environment Notification No. 46 "Environmental Standards Regarding Soil Contamination" and RoHS standards. *For more details, please refer to the PDF document or feel free to contact us.

• Flood prevention facilities, fire tanks, and flood control ponds
• Rainwater tank

The "Mini Gate" is an underground rainwater storage facility designed for multi-purpose use of the land above, such as parks, schoolyards, and parking lots. Due to its large internal space, maintenance tasks such as inspections and cleaning can be performed inside the storage tank. While a pump drainage system is possible, it can be made economical by standardizing the internal height to allow for a natural flow system that does not require mechanical equipment like pumps. 【Features】 ■ Maintenance tasks such as inspections and cleaning can be performed inside the storage tank. ■ Flexible design can be tailored to the site. ■ Earthquake resistance against seismic motions equivalent to levels 1 and 2. ■ Installation costs are reduced and economical due to a product weight of less than 5 tons. ■ The use of inverted concrete allows for the establishment of any desired slope. *For more details, please refer to the PDF document or feel free to contact us.

• Flood prevention facilities, fire tanks, and flood control ponds
• Rainwater tank

Due to land development and other factors, it is necessary to install retention basins to prevent the safety of downstream areas from being compromised by increased flood flow in rivers. The "Open-Type Retention Basin II" is a product that serves as a storage facility to mitigate road flooding and residential inundation caused by urbanization in river basins. Being an open type, it is easier to maintain compared to underground types after construction. Additionally, the bottom slab can be constructed on-site, allowing for the creation of pit areas and drainage slopes. 【Features】 ■ The bottom slab is constructed on-site ■ Pit areas and drainage slopes can be created ■ Water-stopping structures can utilize either the "Sealing Method" or the "TSKJ Method" ■ There are holes for fence installation at the top of the product, allowing for fence erection *For more details, please refer to the PDF materials or feel free to contact us.

• Flood prevention facilities, fire tanks, and flood control ponds

The "open-type retention basin" is a storage facility that can accommodate an internal height of 3 to 7 meters. Being open-type, it allows for easy maintenance and management after construction. Additionally, it can be constructed to fit the shape of the site, and a fence can be installed on the top edge of the product. 【Features】 ■ Easy maintenance and management after construction due to its open type ■ Shorter construction period, making it economical ■ Can be constructed to fit the shape of the site ■ Accommodates internal heights of 3 to 7 meters *For more details, please refer to the PDF document or feel free to contact us.

• Flood prevention facilities, fire tanks, and flood control ponds

The "play water area" is a facility for rainwater runoff control installed underground, while the surface can be used for various purposes such as schoolyards, parking lots, and parks in a multi-dimensional way. It allows for a shortened construction period and is economical. It can also be used for domestic water, fire-fighting water, and as a facility for storing rainwater or rainwater infiltration. Additionally, it is a structure that has seismic resistance against earthquakes equivalent to levels 1 and 2, with an internal height of 1.5m to 4.0m for box types and 1.5m to 7.0m for stand types. 【Features】 ■ Effective use of land ■ Shortened construction period and economical ■ Usable for domestic water, fire-fighting water, and as a facility for storing rainwater or rainwater infiltration ■ Internal height - Box type: 1.5m to 4.0m - Stand type: 1.5m to 7.0m *For more details, please refer to the PDF document or feel free to contact us.

• Flood prevention facilities, fire tanks, and flood control ponds
• Rainwater tank

This catalog introduces the "retention" products that our company handles. We offer a lineup of "box-type" and "stand-type" "retention basins," as well as open-type retention facilities called "open-type retention basins." Additionally, we also feature certified products from the Japan Fire Equipment Safety Center, such as "firewater tanks" and "earthquake-resistant water tanks." Please make use of this information for selecting products. [Featured Products (Partial)] ■ Retention Basins ■ Open-Type Retention Basins ■ Open-Type Retention Basins II ■ Mini Gates ■ Risrain Stadium II *For more details, please refer to the PDF materials or feel free to contact us.

• Flood prevention facilities, fire tanks, and flood control ponds

The "HP retaining wall" is a structure that combines H-shaped steel and concrete panels. It minimizes the excavation space at the back, allowing for construction in narrow areas. It can be used in locations where products with supports like L-shaped retaining walls cannot be used (due to interference from buried pipes or underground structures). 【Features】 - No footing required - A structure that combines H-shaped steel and concrete panels - Suitable for construction in narrow spaces - Can be used in locations where products with supports like L-shaped retaining walls cannot be used *For more details, please refer to the PDF materials or feel free to contact us.

• Retaining wall
• panel
• Steel

The "Terra Trail EG6" is a greenable embankment construction method with a flexible structure that follows the compaction of the embankment. The wall material uses mesh panels, achieving both greening and lightweight materials. By adopting a uniquely developed U-shaped anchor, the workability and cost-effectiveness have significantly improved. Additionally, the front slope can be adjusted up to 1:0.3, making it adaptable even in cases with land restrictions. 【Features】 ■ The wall material uses mesh panels, achieving both greening and lightweight materials ■ The front slope can be adjusted up to 1:0.3 ■ Adaptable even in cases with land restrictions ■ Construction costs are reduced by 30% compared to other methods ■ Flexible structure that follows the compaction of the embankment *For more details, please refer to the PDF materials or feel free to contact us.

• Retaining wall
• Special Construction Method
• Wall and rooftop greenery

The "Super Tail Arume" is a large-scale embankment reinforced soil wall construction method that reduces construction costs through the enlargement of panels, reduction of total strip length, and improvement of compaction frequency. By adopting large rectangular panels, various design panels and art reliefs can be selected. Additionally, by using precast components with irregular top panels and caps, on-site adjustment work can be reduced. 【Features】 ■ Possible reduction in construction costs ■ 30% reduction in panel installation time ■ 25% reduction in total strip length ■ 20% reduction in compaction frequency ■ Improved safety *For more details, please refer to the PDF materials or feel free to contact us.

• Special Construction Method
• Retaining wall
• Concrete Retaining Wall

The "Tail Arm" method involves embedding steel materials called strips in layers within the soil and compacting them, creating a stable soil structure through friction with the soil. As it is a standardized prefabricated method, it does not require skilled workers or special techniques, allowing for a reduction in construction time. Due to its flexible structure, the load on the foundation ground is evenly distributed, making it applicable to a wider range of ground conditions. Additionally, color skins and design skins tailored to specific purposes, such as usage and environmental harmony, can also be produced. 【Features】 ■ Applicable to vertical embankments of up to approximately 15 meters ■ Efficient use of land with minimal land width required ■ No skilled workers or special techniques needed ■ Even distribution of load on the foundation ground due to flexible structure ■ Predominantly composed of standardized components, resulting in a quieter construction environment *For more details, please refer to the PDF materials or feel free to contact us.

• Special Construction Method
• Retaining wall
• Concrete Retaining Wall

"Panwall" is a construction method based on the theory of steep slope stability and ground reinforcement techniques. By using reverse construction to finish the structure from top to bottom, it protects obstacles and prevents loosening of the ground and collapse accidents during construction. Additionally, the precasting of surface works allows for improved quality, shortened construction periods, and labor savings. With high durability and maintenance-free features, it demonstrates superiority in long-term life cycle costs. [Features] ■ Enables effective land use at the top and bottom of slopes ■ Protects obstacles and prevents loosening of the ground and collapse accidents during construction ■ Allows for improved quality, shortened construction periods, and labor savings ■ Demonstrates superiority in long-term life cycle costs ■ Achieves excellent durability due to high strength *For more details, please refer to the PDF materials or feel free to contact us.

• Special Construction Method
• Retaining wall
• Concrete Retaining Wall

The "T-Type Block W Type" is a certified product under the Land Development Act and can be used for land development. In addition to the M type, we offer B type, G type, and Ke type in our lineup. Vertical construction is possible up to a stacking height of 5 meters, allowing for effective use of land. 【Features】 ■ Certified product under the Land Development Act ■ Vertical construction possible up to a stacking height of 5 meters ■ Enables effective use of land *For more details, please refer to the PDF document or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall
• Stacking blocks

The "T-Type Block T-Road" has obtained construction technology certification (No. 1222) from the Civil Engineering Research Center, and it is a large reverse T-shaped retaining wall that can be used for roads. Since it can be constructed from the inside, scaffolding is not required, eliminating the need for high-altitude work. The surface of the block utilizes the fractured surface of natural stone, allowing it to blend well with the surrounding environment. 【Features】 ■ Obtained construction technology certification (No. 1222) from the Civil Engineering Research Center ■ Large block size and machine construction enable shortened construction periods and labor savings ■ In the case of good quality ground, the T-Road for roads can be constructed vertically up to a height of 10m ■ Since it can be constructed from the inside, scaffolding is not required, eliminating the need for high-altitude work ■ The block surface uses the fractured surface of natural stone, matching the surrounding environment *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall
• Stacking blocks

The "Box-type Retaining Wall" is a cantilever block with a flexible structure that can prevent collapse by allowing the wall to move slightly in response to soil pressure during an earthquake. It has obtained the Construction Technology Certification (No. 0327) from the Public Interest Incorporated Foundation Civil Engineering Research Center. It can also consider ecosystem preservation through planting or natural greening using each small step. Please contact us regarding the applicable height. 【Features】 ■ Obtained Construction Technology Certification (No. 0327) from the Public Interest Incorporated Foundation Civil Engineering Research Center ■ Significant reduction in construction time ■ The product can be used in reverse, making curved construction easy ■ Ecosystem preservation can be considered through planting and natural greening using each small step ■ Maximum retaining wall height in construction achievements: 21m *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall
• Stacking blocks

"Antler" is a self-supporting block that consists of large blocks, one per square meter, capable of reaching a height of approximately 5 meters. It can be used with the design methods according to the standards of conventional retaining wall blocks. The foundation part is precast, allowing for further labor savings and a reduction in construction time. For more details, please refer to the related catalog. 【Features】 ■ Large block, one per square meter, capable of a height of approximately 5 meters ■ Usable with design methods according to the standards of conventional retaining wall blocks ■ Self-supporting with a 5% slope, easily constructed with machinery ■ Labor-saving and expedited, reducing construction costs ■ Adopts a natural stone surface, considering harmony with the environment *For more information, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall
• Stacking blocks

The "G Block" is a landscaping block for low shrubs that allows for labor-saving construction and a reduction in construction time due to its large size. It enables the securing of the necessary soil space for planting. It allows for the planting of low shrubs, providing a variety of landscapes depending on the types of trees used. For more details, please refer to the related catalog. 【Features】 ■ Secures the necessary soil space for planting ■ Allows for the planting of low shrubs, offering a diverse landscape depending on the types of trees ■ Due to its large size, it facilitates labor-saving construction and shortens construction time *For more information, please refer to the PDF document or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall
• Stacking blocks

"Protech Wall II" is a large block that can be constructed using local excavated soil and reinforced concrete structures, allowing for greening. It can accommodate heights of approximately 10 meters. By combining G type and N type, it is possible to differentiate between planted and non-planted areas. It allows for the planting of shrubs and other vegetation, and its large size enhances workability and efficiency. 【Features】 ■ Capable of constructing large blocks that allow for greening ■ Can accommodate heights of approximately 10 meters ■ Allows for differentiation between planted and non-planted areas through the combination of G type and N type ■ Allows for the planting of shrubs and other vegetation ■ Large product enhances workability and improves efficiency *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall
• Stacking blocks

The "RPCA-Protect Wall" is a large block retaining wall that allows for the construction of a sturdy retaining wall by pouring cast-in-place concrete inside the product, capable of accommodating heights of approximately 12 meters, following the structure of a cantilever retaining wall. Structural calculations based on various design guidelines enable economical cross-section determination. Since the product is self-supporting, it excels in safety and workability, leading to shortened construction periods. 【Features】 ■ Can be either integrated or segmented depending on design conditions ■ Self-supporting design enhances safety and workability, reducing construction time ■ No need for formwork installation or removal, leading to labor savings and cost reduction ■ Surface relief can be adapted in various ways, allowing for selection that suits the landscape ■ Economic cross-section determination is possible through structural calculations based on various design guidelines ■ Complies with product review standards set by the Japan Precast Concrete Products Technology Association *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall

We would like to introduce our "Precast Planting Strip." This product is a planting unit that can be installed at the boundary between roads and sidewalks. The surface features a natural stone-like pattern, making it blend well with the landscape. It allows for the planting of shrubs and can be used in parks and other areas. For more details, please refer to the related catalog. 【Features】 ■ Planting unit that can be installed at the boundary between roads and sidewalks ■ Surface features a natural stone-like pattern, blending well with the landscape ■ Allows for the planting of shrubs and can be used in parks and other areas *For more information, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall

We would like to introduce our "Stone Wall Retaining System." This product is a natural stone retaining wall for landscaping. It allows for the selection of stone materials that match the surrounding landscape. There is no need for on-site stone masonry or stone laying work. For more details, please refer to the related catalog. 【Features】 ■ No need for on-site stone masonry or stone laying work ■ Allows for the selection of stone materials that match the surrounding landscape *For more information, please refer to the PDF document or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall

We would like to introduce the "Central Median Barrier Wall" that we handle. It is compatible with the trial wedge method for planting loads (1.0 kN/m²). The surface features a pattern that better matches the landscape. For more details, please refer to the related catalog. 【Features】 ■ A 2:1 slope type that is considerate of the eye and can be used for central medians and more ■ The surface has a pattern that better matches the landscape ■ Compatible with the trial wedge method for planting loads (1.0 kN/m²) *For more information, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall

We would like to introduce the "Guardrail Foundation" that we handle. This product is an L-shaped wall combined guardrail foundation. By combining it with the Road Wall LR or LRT, we have achieved a safe and economical cross-section against collision loads. 【Features】 ■ By combining with the Road Wall LR or LRT, we have achieved a safe and economical cross-section against collision loads. ■ The type of retaining wall used changes depending on the type of protective fence. ■ The product length can accommodate L=4,000mm. *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall
• Foundation construction

The "RPCA-AD Wall" is a precast rigid protective fence wall that integrates a concrete rigid protective fence and an L-shaped retaining wall, achieving a significant reduction in construction time. Since dangerous tasks such as rebar assembly and formwork installation at heights are no longer necessary, safety on site is improved. It is a product that meets the certification standards of the Japan Prestressed Concrete Institute. 【Features】 ■ Significant reduction in construction time achieved by integrating a concrete rigid protective fence and an L-shaped retaining wall ■ Improved safety on site as dangerous tasks such as rebar assembly and formwork installation at heights are no longer required ■ Available in two types: a 250mm top thickness type and a 300mm type that allows for the installation of sound barriers, etc. ■ Certified product by the Japan Prestressed Concrete Institute *For more details, please refer to the PDF document or feel free to contact us.

• Concrete Retaining Wall

The "Protect Base" is a guardrail continuous foundation with an L-shaped structure, allowing for standalone use as well as compatibility with various substructures. By connecting each block with loop reinforcement, integration is ensured. By making the connection part semi-precast with loop reinforcement and cast-in-place concrete, it can accommodate curves with standard products. 【Features】 ■ Integration is ensured by connecting each block with loop reinforcement. ■ The connection part is semi-precast with loop reinforcement and cast-in-place concrete, enabling curve accommodation with standard products. ■ Due to its L-shaped structure, it can be used alone or in conjunction with various substructures. *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall

The "Protect Wall LP" is an L-shaped retaining wall that allows for the installation of guardrails on the top of the wall. It maximizes the road width. It can accommodate a top slope angle of 8.0% or less, as applied in the "Explanation and Application of Road Structure Regulations." For more details, please refer to the related catalog. 【Features】 ■ Guardrails (Type B, C) can be installed on the top of the retaining wall ■ Adopts a T-beam structure to achieve a safe and economical cross-section ■ Maximizes road width ■ Can accommodate heights from 1.0m to 4.5m ■ Standard products can accommodate curves due to base plate cutouts *For more details, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall

The "Reverse Wall LG" is a reverse L-shaped retaining wall that can be used when there are land constraints behind the wall, preventing the use of a counterfort (base slab) at the back. It can be installed horizontally using a dedicated hanging fixture. The active earth pressure is considered at half during sliding analysis. For more details, please refer to the related catalog. 【Features】 ■ Suitable for situations where there are land constraints behind the retaining wall, preventing the use of a counterfort at the back ■ Can be installed horizontally using a dedicated hanging fixture ■ Active earth pressure is considered at half during sliding analysis *For more information, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall

The "RPCA-Safety Wall LF II" is a retaining wall that can be installed with fences compatible with products that have top edge slopes, tailored to road gradients. It is possible to install pedestrian and bicycle protective fences (Type P). It has been certified as a compliant product by the Japan Precast Concrete Institute. For more details, please refer to the related catalog. 【Features】 ■ Compatible with pedestrian and bicycle protective fences (Type P) ■ Can accommodate top edge slope products tailored to road gradients ■ Certified as a compliant product by the Japan Precast Concrete Institute *For more information, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall

The "Roadwall LRT" is a large segmented retaining wall for roadways that exceeds a height of 5.0m. It consists of a main body and an extended base slab, which can be joined on-site. The joint section is integrated using sleeve joints and specialized grout material for mortar-filled joints. For more details, please refer to the related catalog. 【Features】 ■ Segmented large retaining wall exceeding a height of 5.0m ■ Composed of a main body and an extended base slab, joinable on-site ■ The joint section is integrated through mortar-filled joints *For more information, please refer to the PDF materials or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall

The "Multi-Corner Wall" is a retaining wall that allows for free adjustment of the corner angle. It can accommodate angles from 90° to 180° and features a contoured shape that enables precise positioning during installation. It is compatible with the L-shaped retaining wall system N and the Road Wall LR. 【Features】 ■ The corner angle can be freely adjusted ■ Angle: Compatible with 90° to 180° ■ The base plate section is reinforced with rebar and cast on-site with concrete ■ Compatible with the L-shaped retaining wall system N and the Road Wall LR *For more details, please refer to the PDF document or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall

We would like to introduce our "L-shaped Retaining Wall System N." It can be installed horizontally using dedicated lifting hardware. It is suitable for soil retention in pedestrian and roadway sections, as well as for general land development, with an economical cross-section. We also provide caps for drainage holes separately. Please specify whether you need a waterproof cap or a drainage cap. 【Features】 ■ Can be used for soil retention in pedestrian and roadway sections, as well as for general land development, with an economical cross-section ■ Can be installed horizontally using dedicated lifting hardware ■ Caps for drainage holes are provided separately *For more details, please refer to the PDF document or feel free to contact us.

• Concrete Retaining Wall
• Retaining wall

We would like to introduce our retaining wall "High Touch Wall," which is certified under the Land Development Act. It has obtained certification under Article 14 of the Enforcement Order of the Land Development Act and is designed to consider fence loads (FP=1kN/m). It is manufactured under consistent quality control by certified factories. Please feel free to contact us when you need assistance. 【Features】 ■ Certified under Article 14 of the Enforcement Order of the Land Development Act ■ Manufactured under consistent quality control by certified factories ■ Designed to consider fence loads (FP=1kN/m) *For more details, please refer to the PDF materials or feel free to contact us. # L-shaped retaining wall # Land development # Retaining wall # PCa # Precast

• Concrete Retaining Wall
• Retaining wall

We would like to introduce our "L-shaped retaining wall system A1." It can be installed horizontally using dedicated lifting hardware. We offer a large earthquake-resistant type (D type) and a medium earthquake-resistant type. It has obtained certification under Article 14 of the Enforcement Order of the Land Development and Building Standards Act, and can be used not only for land development but also for factory construction and ground development. 【Features】 ■ Certified under Article 14 of the Enforcement Order of the Land Development and Building Standards Act ■ Available in large earthquake-resistant type (D type) and medium earthquake-resistant type ■ Can be installed horizontally using dedicated lifting hardware ■ Usable for land development as well as factory construction and ground development ■ Manufactured under consistent quality control by certified factories *For more details, please refer to the PDF materials or feel free to contact us. # L-shaped retaining wall # Land development # Retaining wall # PCa # Precast

• Concrete Retaining Wall
• Retaining wall

This catalog provides a comprehensive introduction to the "retaining walls" handled by our company. In addition to residential land development, we offer a lineup that includes the "L-shaped retaining wall system A1," which can be used for factory development and ground development, as well as the "RPCA-Road Wall LR," which is used as a retaining wall for roadways. We also feature many other products, such as "stone-faced retaining walls" and "precast planting strips." Please use this for selecting products. We have also listed many products that conform to the certification standards of the Japan Precast Concrete Products Association. 【Featured Products (Partial)】 ■ L-shaped retaining wall system AI ■ High-Touch Wall ■ L-shaped retaining wall system N ■ RPCA-Road Wall LR ■ Multi-Corner Wall *For more details, please refer to the PDF materials or feel free to contact us. # L-shaped retaining wall # Road # Roadway # Sidewalk # Residential land # Land development law # Earthquake # Fence load # Guardrail installation # Rigid protective fence # Retaining wall # PCa # Precast

• Concrete Retaining Wall
• Retaining wall

"Texpan" is a two-part precast arch culvert method developed in France. Due to its unique arch shape, it can accommodate a soil cover of 30 meters even with a thin member thickness of 40 cm. It enables large spans of 20 meters, thereby realizing various internal cross-sections. By alternately combining reinforced concrete arch members, it creates space, and by placing fill on top, it can serve as an alternative to culverts and bridges. 【Features】 ■ Two-part precast arch culvert method developed in France ■ Members are installed in pairs, requiring no special technology or skilled labor ■ The aesthetic beauty of the arch curve harmonizes with the surrounding environment ■ Its unique arch shape allows for a soil cover of 30 meters even with a thin member thickness of 40 cm ■ Enables large spans of 20 meters and realizes various internal cross-sections *For more details, please refer to the PDF document or feel free to contact us.

• Water Supply Facilities
• Piping materials (concrete pipes)

Our company handles "Free Angle Box Culverts." These are sloped box culverts that can be constructed to accommodate roads and waterways intersecting at various angles, allowing for shortened construction periods and improved cost-effectiveness. Compared to conventional methods, the product has no protrusions, resulting in a neat shape. Additionally, the waterway width can be manufactured from 4.0 to 8.0 meters. 【Features】 ■ Can be constructed to accommodate roads and waterways intersecting at various angles ■ Allows for shortened construction periods and improved cost-effectiveness ■ Can be manufactured at various angles to suit each construction site ■ Designed to eliminate exposed concrete sections at the site ■ Waterway width can be manufactured from 4.0 to 8.0 meters *For more details, please refer to the PDF document or feel free to contact us.

• Water Supply Facilities
• Piping materials (concrete pipes)

Our company handles "Long Span Culverts." The construction is extremely simple; the top slab components are placed on the side wall components and connected by PC steel bars. By adopting cast-in-place for the bottom slab, it offers excellent cost-effectiveness. The structural form uses PRC, and it consists of a segmented box culvert made up of top slab components, side wall components, and cast-in-place bottom slab. 【Features】 ■ Uses PRC as the structural form ■ Segmented box culvert made up of top slab components, side wall components, and cast-in-place bottom slab ■ Extremely simple construction; top slab components are placed on side wall components and connected by PC steel bars ■ Excellent cost-effectiveness by adopting cast-in-place for the bottom slab *For more details, please refer to the PDF materials or feel free to contact us.

• Water Supply Facilities
• Piping materials (concrete pipes)

We handle "4-part large box culverts." The components are connected using mortar-filled joints and are divided into four parts for transportability and constructability, making it a fully precast box culvert. Please feel free to contact us when you need assistance. 【Features】 ■ Fully precast and segmented ■ Four-part shape considered for transportability and constructability ■ Components connected using mortar-filled joints *For more details, please refer to the PDF materials or feel free to contact us.

• Water Supply Facilities
• Piping materials (concrete pipes)

We handle "two-part box culverts." The standard internal width is approximately 3.5 to 8.0 meters, and considering transportability and constructability, it is designed in a two-part shape, assembled using mortar-filled joints. Please feel free to contact us when you need assistance. 【Features】 ■ Two-part shape considering transportability and constructability ■ Assembled using mortar-filled joints ■ Standard internal width of approximately 3.5 to 8.0 meters *For more details, please refer to the PDF document or feel free to contact us.

• Water Supply Facilities
• Piping materials (concrete pipes)

The underground wiring plan, which secures a comfortable walking space and improves urban scenery, began with the "Phase 1 Underground Wiring Plan" using the cab system from fiscal year 1986. Then, starting in 1995, the "Phase 3 Underground Wiring Plan" transitioned from the cab system to the more compact and flexible structure known as 'C.C. BOX (joint utility trench).' Due to its significant role as a public facility, it reduces the burden on power and telecommunications operators and facilitates their entry into the joint utility trench. 【Features】 ■ Smaller and more flexible compared to the conventional cab system ■ The compact utility housing facility is embedded at a shallow depth from the surface, making construction easy ■ New cables can be added from the branching point without the need to excavate the road each time ■ Its significant role as a public facility reduces the burden on power and telecommunications operators, making entry into the joint utility trench easier *For more details, please refer to the PDF document or feel free to contact us.

• Water Supply Facilities
• Piping materials (concrete pipes)