Announced details
Urban infrastructure renewal, elevated bridge replacement, construction of bridge piers and well foundations, construction over water, and refurbishment projects for aging infrastructure structures
The company states that the method suppresses vibration and noise, avoids generating excess sludge and minimizes the impact on the surrounding environment. Quantitative figures for the effects are Not disclosed.
The Gyropress Method™ has been adopted in more than 40 countries and regions. For this project, press-in installation of the steel pipe piles for 1 well foundation has been completed.
株式会社技研施工, a group company of 技研製作所, is the construction contractor. Metropolitan Expressway Company Limited is the project owner, and 鹿島・東亜土木工事 JV is the prime contractor.
Metropolitan Expressway Company Limited is the project owner. 鹿島・東亜土木工事 JV is the prime contractor. Details such as location, representative, capital and year of establishment are Not disclosed.
1 Nihonbashi to Koamicho, Chuo-ku, Tokyo (construction site)
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
Metropolitan Expressway Company Limited website (https://www.shutoko.jp/ss/nihonbashi-tikaka/construction/03/). The illustration of water stoppage between piles was prepared by 技研製作所 based on data provided by 鹿島・東亜土木工事JV.
| Item | Details |
|---|---|
| Names of Products / Services Covered | Gyropress Method™ (steel-pipe pile press-in method), Gyropiler™ F401 (with lifting device) |
| Counterparty | Metropolitan Expressway Company Limited, 鹿島・東亜土木工事 JV |
| Counterparty overview | Metropolitan Expressway Company Limited is the project owner. 鹿島・東亜土木工事 JV is the prime contractor. Details such as location, representative, capital and year of establishment are Not disclosed. |
| Relationship with the Company | 株式会社技研施工, a group company of 技研製作所, is the construction contractor. Metropolitan Expressway Company Limited is the project owner, and 鹿島・東亜土木工事 JV is the prime contractor. |
| Launch date | Press-in installation of the steel pipe piles for 1 well foundation was completed in July 2026 (completed work). Work on the remaining 3 foundations is scheduled to begin in sequence. |
| Applicable area | Urban infrastructure renewal, elevated bridge replacement, construction of bridge piers and well foundations, construction over water, and refurbishment projects for aging infrastructure structures |
| Location | 1 Nihonbashi to Koamicho, Chuo-ku, Tokyo (construction site) |
| Location scale | 4 well foundations, each 10.2 m in diameter. 24 steel pipe piles (1 m in diameter and 45 m long) and 48 small-diameter steel pipe piles (318.5 mm in diameter and 16.5 m long) |
| Quantitative Effects | The company states that the method suppresses vibration and noise, avoids generating excess sludge and minimizes the impact on the surrounding environment. Quantitative figures for the effects are Not disclosed. |
| Usage history | The Gyropress Method™ has been adopted in more than 40 countries and regions. For this project, press-in installation of the steel pipe piles for 1 well foundation has been completed. |
| Source | Metropolitan Expressway Company Limited website (https://www.shutoko.jp/ss/nihonbashi-tikaka/construction/03/). The illustration of water stoppage between piles was prepared by 技研製作所 based on data provided by 鹿島・東亜土木工事JV. |
Items this document does not state (7)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.The method can accommodate challenging conditions, including hard ground, limited construction space, low overhead clearance, the need to control vibration and noise affecting surrounding structures, and the need to completely prevent water ingress within the well foundations.