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

In this catalog, we introduce various products handled by our company. In 1925, Tanahashi Shoten was established in Hashima City, Gifu Prefecture, as a manufacturer and contractor of cement tiles. For nearly a century since our founding, we have been pioneering new fields, primarily focusing on "U-shaped prefabricated waterways" through the creation of various products. Without forgetting our origins, we will continue to take new strides toward the next stage. 【Contents (partial)】 ■ Box culverts / Large box culverts ■ Retaining walls ■ Storage ■ Waterways ■ Ditches *For more details, please refer to the PDF document or feel free to contact us.

This catalog introduces the "drainage ditches" handled by Maruei Concrete Industry. It features a wide range of products, including various types of MC-type variable drainage ditches, RPCA-Cosmodrain, rain collectors, and U-shaped drainage ditches with drop covers. This book is useful for selecting products, as it includes construction examples and installation guidelines. 【Contents (excerpt)】 ■ MC-type variable drainage ditches of various types ■ MC variable drainage ditch installation guidelines ■ RPCA-Cosmodrain ■ Sidewalk Cosmodrain ■ Rain collector * The content differs between the eastern and western editions. * For more details, please refer to the PDF document or feel free to contact us.

The "MC Type Variable Side Ditch J Type" is a product that accommodates internal widths from 300 to 500 mm. Depending on the site conditions, an appropriate water channel slope can be set. It can use three types of drop lid U-shaped ditch covers or one type of cover. Please note that this product is not available in certain regions, so please contact us if you wish to order. 【Features】 ■ Accommodates internal widths from 300 to 500 mm ■ Can use three types of drop lid U-shaped ditch covers or one type of cover ■ Available in "longitudinal" and "transverse" types *For more details, please refer to the PDF materials or feel free to contact us.

We would like to introduce our "MC Type Variable Ditch N Type." A suitable water channel slope can be set according to the site conditions. Additionally, we offer options for longitudinal and transverse use based on the site conditions. Please feel free to contact us when you need assistance. 【Features】 ■ A suitable water channel slope can be set according to the site conditions. ■ Options for longitudinal and transverse use are available based on the site conditions. *For more details, please refer to the PDF document or feel free to contact us.

The "MC Type Variable Ditch W Type" is a wide-type product that accommodates internal widths from 700 to 1,500 mm. A suitable waterway slope can be set according to the site conditions. Additionally, we offer options for longitudinal, transverse, and one-sided retaining based on site conditions. Please feel free to contact us when you need assistance. 【Features】 ■ Wide type accommodating internal widths from 700 to 1,500 mm ■ Suitable waterway slope can be set according to site conditions ■ Options for longitudinal, transverse, and one-sided retaining available based on site conditions *For more details, please refer to the PDF document or feel free to contact us.

The "MC Type Variable Ditch F Type" is a built-in variable ditch that allows for the installation of fences such as fall protection barriers. A suitable drainage slope can be set according to the site conditions. It can use a type 1 drop lid U-shaped ditch cover. Please feel free to contact us when you need assistance. 【Features】 ■ Allows for the installation of fences such as fall protection barriers ■ A suitable drainage slope can be set according to the site conditions ■ Can use a type 1 drop lid U-shaped ditch cover *For more details, please refer to the PDF materials or feel free to contact us.

The "MC Type Variable Ditch L Type" is a single-sided retaining type product that integrates a variable ditch and a stabilizing heel plate. It allows for the setting of an optimal waterway slope according to site conditions. You can use either three types of drop lid U-shaped ditch covers or one type of cover. Please feel free to contact us when you need assistance. 【Features】 ■ A single-sided retaining type that integrates a variable ditch and a stabilizing heel plate ■ Allows for the setting of an optimal waterway slope according to site conditions ■ Can use either three types of drop lid U-shaped ditch covers or one type of cover *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our "MC Type Variable Side Ditch <Cover Plate and Grating>." The "Cover Plate" comes in options for sidewalks and roadways. The "Grating" includes a fine type and our "Karugaru Grating," which can be opened and closed with about half the effort even in larger sizes. Please feel free to contact us for inquiries. 【Product Lineup】 ■ Cover Plate - Sidewalk Use - Roadway Use ■ Grating - Fine Type - Karugaru Grating *For more details, please refer to the PDF document or feel free to contact us.

The "MC Type Variable Side Ditch S Type" allows for construction without leaving gaps, even when there are existing structures on the private land side, by making the side walls vertical. Using a lid that is one size smaller results in a narrower product width, enabling more efficient use of land. Additionally, the reduction in weight leads to cost savings and makes post-construction maintenance easier. On the road side, it prevents ground subsidence due to insufficient compaction, thereby preventing the occurrence of uneven surfaces and puddles. 【Features】 ■ Allows for construction without leaving gaps, even when there are existing structures on the private land side. ■ Prevents ground subsidence due to insufficient compaction, thus preventing uneven surfaces and puddles. ■ The narrower product width enables more efficient use of land. ■ Weight reduction leads to cost savings and makes post-construction maintenance easier. *For more details, please refer to the PDF document or feel free to contact us.

This document introduces the installation rates for the "MC type variable side ditch." We have compiled the installation rates for the main body and cover plate in an easy-to-understand table. Additionally, we have included information on the "cover plate" and "grating" for the S type. We encourage you to read it. [Contents] ■ Cover Plate (for S type) ■ Grating (for S type) ■ Installation Rates - Main Body - Cover Plate *For more details, please refer to the PDF document or feel free to contact us.

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.

The "Sidewalk Cosmodrain" is a combination of pedestrian-vehicle boundary blocks, circular water channels, and U-shaped ditches. We offer a "Type 300" that can be installed when creating a bicycle lane within the existing road width, and a "Type 150" that allows for a flat bicycle lane to be established within limited road widths. Please feel free to contact us if you have any inquiries. 【Features of Type 300】 ■ A precast product that combines pedestrian-vehicle boundary blocks and circular water channels ■ Can be installed when creating a bicycle lane within the existing road width ■ Compatible with permeable pavement *For more details, please refer to the PDF materials or feel free to contact us.

The "Rain Collector" is a longitudinal pipe for drainage ditches designed for permeable pavement, featuring four drainage holes and two horizontal grooves, which enhances its drainage functionality. The drainage holes are elongated, allowing for the drainage of water that has permeated into the base layer. Additionally, by changing the flow cross-section from circular to rectangular, we have achieved weight reduction, improving both constructability and cost-effectiveness. 【Features】 ■ Enhanced drainage functionality due to four drainage holes and two horizontal grooves ■ Elongated drainage holes allow for the drainage of water that has permeated into the base layer ■ Flow cross-section changed from circular to rectangular to reduce weight and improve constructability and cost-effectiveness *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our "Drop-in U-shaped drainage channel." We offer two types: Type 1 with a reference weight of 290kg to 680kg, and Type 3 with a reference weight of 333kg to 835kg. Additionally, we also have "Drop-in U-shaped drainage channel covers" available. Please feel free to contact us if you have any inquiries. 【Product Lineup】 ■ Drop-in U-shaped drainage channel ・ Type 1 ・ Type 3 ■ Drop-in U-shaped drainage channel cover ・ Type 1 ・ Type 3 *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our "Top Cover Type U-shaped Drainage Channel." We offer a lineup with reference weights ranging from 24kg to 209kg. In addition, we also have "Top Cover Type U-shaped Drain Covers" available. Please feel free to contact us when you need assistance. 【Lineup】 ■ Top Cover Type U-shaped Drainage Channel ■ Top Cover Type U-shaped Drain Covers ・ Type 1 ・ Type 2 *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our "L-shaped gutters and various boundary blocks." Starting with the "L-shaped gutters" conforming to JIS A 5372: Reinforced Concrete / JIS A 5371: Unreinforced Concrete, we also offer the "one-sided pedestrian and vehicle boundary blocks" and "two-sided pedestrian and vehicle boundary blocks," as well as "front boundary blocks" in our lineup. Please feel free to contact us when you need assistance. 【Product Lineup】 ■ L-shaped gutters ■ One-sided pedestrian and vehicle boundary blocks ■ Two-sided pedestrian and vehicle boundary blocks ■ Front boundary blocks *For more details, please refer to the PDF materials or feel free to contact us.

This product is a side ditch that comes in a deep groove type. The live load is T-245 and complies with JIS A 5372. We offer a lineup including "PU Wall," "PU Side Ditch Pole Protector," and "PU Side Ditch Pole Protector Cover." 【Features】 ■ Complies with JIS A 5372 ■ Available in deep groove types ■ Live load: T-245 *For more details, please refer to the PDF materials or feel free to contact us.

"DS-PUL" is a drainage ditch that meets NEXCO standards. It is available in reference weights ranging from 220kg to 710kg. Rubber gaskets are used at the joints, providing a water-stopping effect. Please feel free to contact us when you need assistance. 【Features】 ■ Drainage ditch that meets NEXCO standards ■ Rubber gaskets used at the joints ■ Water-stopping effect *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our "Roadside Drainage Cross Drain - GZ Drain" that we handle. The "Roadside Drainage Cross Drain" has a reference weight of 333kg to 801kg and a live load of T-245, along with the "GZ Drain" which features a deep cross drain with grating. Please feel free to contact us when you need assistance. 【Product Lineup (Excerpt)】 <Roadside Drainage Cross Drain> ■G250 ■G300A ■G300B ■G300C *For more details, please refer to the PDF document or feel free to contact us.

The "Road System (PL5)" is used when the sidewalk is flat and features apron-type pedestrian and vehicle boundary blocks with rounded edges at the front and back of the vertical surface. The thickness of the apron section is optimally set according to the differences in traffic volume "L, A, B, C, D." By increasing the size of the products to standard lengths of 2m and 1m, we have achieved labor savings and a significant reduction in construction time. 【Features】 ■ The thickness of the apron section is optimally set according to the differences in traffic volume "L, A, B, C, D." ■ Used when the sidewalk is flat. ■ The front and back of the vertical surface are rounded. ■ A "PL4 type" with a right angle only at the back of the vertical surface is also available. ■ The increase in product size has resulted in labor savings and a significant reduction in construction time. *For more details, please refer to the PDF materials or feel free to contact us.

This product is a catch basin that conforms to the specifications of drop lid U-shaped gutters. We offer a lineup including the "PU Side Ditch Basin Type 1" with a 110° opening and closing grating, as well as the "PU Side Ditch Basin Type 4" and the "PU Side Ditch Basin Type 2" with grating bolt fixation. Please feel free to contact us when you need assistance. 【Lineup】 ■ PU Basin ■ PU Side Ditch Basin Type 1 ■ PU Side Ditch Basin Type 4 ■ PU Side Ditch Basin Type 2 *For more details, please refer to the PDF materials or feel free to contact us.

This catalog contains information on the dimensions of "Eco gutters." We introduce the live load "T-245" for Eco variable gutters, as well as covers for sidewalks and roadways. Please use this information for selecting products. 【Featured Products】 ■ Eco Gutters ・ Live Load T-245 ■ Eco (Variable) Gutters <Covers> ・ Type 1 (Sidewalk) Covers ・ Type 3 (Roadway) Covers ■ Eco Cross Gutter ・ Live Load T-245 *For more details, please refer to the PDF document or feel free to contact us.

This page introduces the installation unit costs for "drainage ditches." It clearly presents various types such as "MC type variable drainage ditch," "L-shaped drainage ditch," and "pedestrian-vehicle boundary blocks / property boundary blocks" in a table format. Additionally, important notes are included. For more details, please refer to the related links. 【Contents】 ■ MC type variable drainage ditch (main body / cover plate) ■ Drop lid type U-shaped drainage ditch, top lid type U-shaped drainage ditch, PU drainage ditch, cross drainage for road drainage ditches, cross drainage for road drainage (main body / cover plate) ■ L-shaped drainage ditch ■ Pedestrian-vehicle boundary blocks / property boundary blocks ■ Examples of construction (MC type variable drainage ditch: W type / S type) *For more details, please refer to the related links page or feel free to contact us.