Environmental Management System
Chiyoda Corporation became Japan's first engineering and construction company to acquire ISO14001 certification for environmental management in March 2001, and strives to upgrade the management system while conducting systematic environmental education and awareness activities.
ISO14001 Certification
In March 2001, Chiyoda Corporation became the first engineering and construction company in Japan to acquire ISO14001 certification. In March 2005, the scope of certification was expanded to include activities at the Research & Development Center.
With the addition of overseas project EPC operations to the scope of certification in February 2013, ISO certification now covers all organizations within Chiyoda under the ‘SQEI Management System’.
ISO14001 was revised in 2015 and Chiyoda Corporation incorporated the changes in ISO14001:2015 to acquire renewed ISO14001 certification.
- The SQEI management system shall be applied to Global Headquarter (CGH), Koyasu Office & Research Park and all the site offices that perform the operations of Chiyoda business.
Environmental Training
Chiyoda Corporation implements environmental training ‘in-house’ and expert training externally when required to secure specialist qualifications, such as:
General Training:
Nine (9) training courses are held annually for specialized EMS knowledge, with topics including introductory and advanced health, safety and environmental management and environmental laws, especially for waste management. Pre-assignment supervisor consultation is also provided for Site Managers.
General Environmental Training:
General information regarding the environment and biodiversity is disclosed on the Company intranet for employees to research at their convenience.
Environmental Compliance
As of the end of October 2024, Chiyoda Corporation has not been penalized for any environmental infringements.
Environmental Activities

HSE Objectives
Our company establishes company-wide HSE Objectives every fiscal year as the basis for annual departmental environmental targets. At the middle and end of each fiscal year, we self-evaluate the results of our activities and determine actions for future application.
EPC Activities
All project and site teams specializing in design, procurement and construction propose environmental impact mitigation measures to customers.
<< Environmental Activities FY2023 >>
Chiyoda Corporation will continue contributing to the realization of a sustainable society through such environmental impact reduction proposals to customers throughout the entire project life cycle.
Chiyoda Corporation proposed a total of 262 environmental impact reduction measures in FY2023; 187 on domestic projects, 71 on overseas projects and 4 on ‘common’ projects. Chiyoda Corporation plans to propose even more effective environmental impact reducing measures in terms of the plant life-cycle in FY 2024.