Operations

ON-LAND CIVIL ENGINEERING Newly Completed Project

Land Development Work for Fujitrans Corporation Logistics Center (Aichi, ) Ohkusano Tunnel (and One Other Section) for Kyushu Shinkansen (West Kyushu) Land development work ordered by distribution base. The ground formation functions. Construction work on the Ohkusano Fujitrans Corporation for the Fujitrans work involved the creation of a vast site Tunnel, one other section, and 2 Corporation Logistics Center has been of land of approximately 200,000m that miscellaneous work for the Kyushu completed in the village of Tobishima in was raised about one meter higher than Shinkansen (West Kyushu) was completed Ama-gun, . the surroundings as a countermeasure in . The area where the work was carried against tsunami. At present, a portion of out is located at Port, which the site has started to be put to use as This project involved construction work handles the largest volume of cargo in a container yard, with plans calling for on a part of the Kyushu Shinkansen’s Japan. Improvements are being carried the construction of a new distribution West Kyushu route, which runs for out to make the Logistics Center a major warehouse to integrate distribution approximately 143 kilometers connecting the city of Nagasaki (Nagasaki Station) Construction of Bridge Pier on National Route 45 across Kesennuma Bay in Matsuzaki District (Miyagi, Japan) and the city of (Hakata Station), provisionally scheduled to be opened for The work has been completed in the city main part of the Kesennuma road section bridge across Kesennuma Bay will shorten use in FY2022. Toa Corporation carried out of Kesennuma in the Matsuzaki District of of the Sanriku Coast Expressway. The the routes traveled, and it is also expected construction work on the tunnel and open . bridge will have a length of 1,344 meters to contribute greatly to tourism in the segments totaling 2,142 meters between As a leading project for recovery from and cross over the Okawa River in the city Sanriku region. ■ Client Kyushu Shinkansen Line Construction Bureau, Japan Railway the cities of Takeo and Ureshino in Saga Construction, Transport and Technology Agency the Great East Japan Earthquake. Along of Kesennuma in Miyagi Prefecture and Prefecture. ■ Construction period March 2013 to October 2019 the Sanriku Coast in the Tohoku region, Kesennuma Bay. Upon completion, the ■ Project outline Tunnel repair work is being carried out at a rapid span of the bridge, which is approximately The opening of this route will shorten the Buffer work travel time between Hakata and Nagasaki Abutment pace on the Sanriku Coast Expressway half the length of the bridge (680 meters), Bridge piers (Reconstruction Road), a 359 km stretch of will be the largest for a cable-stayed by almost 30 minutes, and it is anticipated GRS bridge a road specifically for use by automobiles bridge in the Tohoku region. The JV of that visitors from the neighboring areas Rigid-frame viaduct RC beams that connects the three prefectures of which the Company is the main partner will help revitalize the region through Earth cutting and filling Miyagi, Iwate, and Aomori. for this construction work undertook the tourism and business. ■ Site of construction Takeo City and Ureshino City, Saga Prefecture Plans call for the construction of a bridge building of the piers for this bridge across across Kesennuma Bay, which forms the Kesennuma Bay. The completion of this Substructure Construction on Kaseibashi Bridge (P3, P4) Bridge Pier Construction Project Earthquake Resistance Work on Shibakawa Floodgate (H25) (Saitama, Japan) The Substructure Construction on The land that spreads out in the installed for the purpose of preventing out construction work on left side of the Kaseibashi Bridge (P3, P4) Bridge Pier downstream part of the is floodwater from the Arakawa River floodgate, too, under a separate work Construction Project was completed in an area that is below sea level, and should flowing back into the Shibakawa River. An contract. Prefecture. the Arakawa River overflow and breach its earthquake resistance project is underway This construction work is a part of a banks due to flooding or other reasons, it to enable the floodgate to function even if is anticipated that the area would suffer an earthquake occurs directly underneath development project for the Kaseibashi devastating damage. The Shibakawa , in addition to its function to reduce Bridge (length: 473 m, width: 6.8 m), Floodgate, which is double-sluice gate damage from flooding. which is scheduled to open for use in type floodgate located at the confluence Toa Corporation executed earthquake 2024. Of the two bridge abutments and of the Arakawa River and the Shibakawa resistance construction work on the right seven bridge piers that make up the River along the left bank of the Arakawa side of the floodgate as viewed in the structure of this bridge, two of the bridge River about 19.7 km from its mouth, was photograph. The Company is carrying piers were built by Toa Corporation using the pneumatic caisson method. Rehabilitation of Sewage Drainage System(Tokyo, Japan) The bridge in current use (on the right in the photo) connects the city center The sewerage network in downtown site of narrow streets with heavy traffic and fills an important role for more than and ensure the city residents can cross safely. Tokyo, was constructed nearly one century and a dense concentration of buildings, 2,500 inhabitants in the surrounding areas ago.The Tokyo Metropolitan Government TOA’s highly-qualified engineers dealt with who use the bridge during the daytime. ■ Client Wakayama City, Wakayama Prefecture started a project to rehabilitate the various difficulties and utilized the shield ■ Construction period June 2018 to July 2019 However, because the width of the current sewage drainage network through tunnel method to complete the drainage ■ Project outline Bridge understructure construction (P3, P4) bridge is narrow and deterioration is quite Concrete work on foundation reconstruction and refurbishment. TOA system, which measured 2,058m in length advanced, construction work is moving Concrete work on bridge piers was awarded a contract to reconstruct with an inner diameter of 2,200mm, on Pneumatic caisson foundation the drainage system for surface runoff in schedule without any accidents. forward to replace it with a new bridge ■ Site of construction Wakayama City, Wakayama Prefecture Chiyoda ward. Against the construction

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