Chodai Co., Ltd. is a construction consulting firm established in 1968 with head office in Tokyo, Japan. Since its establishment, the company has offered its services in several fields including Intelligent Transport System (ITS), urban planning, traffic engineering, highway engineering, structural engineering, environmental studies, water supply, sewage, drainage, construction supervision, construction management, and Intelligent systems. Bridge engineering also constitutes a major area of our practice, and we are proud to have executed the design and construction supervision of several noted major bridge projects such as Akashi Kaikyo suspension bridge.
Its Consulting segment is engaged in the research, planning, design and construction management of bridges and special construction objects, and the design of civil engineering structures. This segment is also involved in comprehensive transport, road maintenance, route, city and region planning, as well as the research, planning, design, operational administration and public management of rivers, the provision of information processing, system planning and design, software development, as well as information content development, operation and distribution services, among others. The Service Provider segment operates roads and public facilities, and provides support services. The Products segment sells eco products and information systems, and operates application service provider (ASP) business.
Business Areas
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Structures
- Studies, planning, design, asset management and inspection, diagnosis, testing, design of bridge repairs and special structures.
- Analysis and experiment.
- Construction management and construction supervision
- Design for civil structures and facilities.
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Information Services
- Consultancy, system planning and design for data processing infrastructure.
- Consultancy, social experiments, system planning, design and data maintenance for advanced road traffic systems (ITS).
- Consultancy, system planning, design, software development, data maintenance and operational management for road maintenance.
- Planning, production and sale of software products.
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Eco products business
- Development and sales of civil engineering related products that promote environment conservation and energy saving
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Construction technology (ARCOM construction business)
- Planning, design, supervision and projects, studies, research and technical supervision in relation to construction, city planning, and interior design
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Planning
- Studies, planning, design, construction supervision for roads, tunnels and associated facilities.
- Studies, estimates, evaluation, maintenance planning for nature conservation, living environment, and maintenance planning of building and facilities.
- Studies, planning, design for local plans, urban plans, regional plans and urban facilities (parks etc.).
- Studies, planning, design for water supply, pumping stations and processing facilities.
- Studies, analysis, planning, design, for river improvements, irrigation, environment and river structures.
- Viability studies for the introduction of PFI and advisory work for PFI.
- Studies, analysis, planning, design, operation management for general traffic plans, road development plans, route plans and advanced road traffic systems such as Intelligent Transport Systems (ITS).
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