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On the basis of our corporate philosophy, the Haseko Group has established the Haseko Group’s Environmental Policy, and is making a concerted group-wide effort to drive forward environment-related activities.
The Haseko Group makes efforts to protect the global environment and contributes to the realization of a sustainable society based on its corporate philosophy “to contribute to society by creating an optimal environment for cities and people,” and CSR Policy that aims to integrate social and environmental concerns into its business processes.
We will work together with our customers, partner companies, and various stakeholders involved to solve highly important environmental issues related to the Haseko Group’s business activities.
We will comply with environmental laws, agreements and voluntary standards, and will conduct education on the environment for employees working in the Haseko Group on a regular basis. We will also disclose information on our environment-related activities and actively communicate with internal and external stakeholders.
We will establish and operate a management system that includes the setting of objectives and targets for promoting the above activities, and will improve the system on a continuous basis.
July 9, 2020
The Haseko Group has also established a Sustainability Committee chaired by the President of Haseko Corporation under the Board of Directors. This committee deliberates and approves sustainability-related policies and activity plans, which include environment-related activities, and monitors, and reviews such activities. A Sustainability Promotion Conference, which is a subordinate body under the committee, deliberates and implements specific measures that include environmental initiatives such as decarbonization and energy and environmental technologies. Its Climate Change Response Working Group promotes measures to combat climate change, such as the reduction of GHG (CO2) emissions and the introduction of renewable energy.
Matters deliberated and matters for reporting that arise in meetings of the Sustainability Committee are reported to and overseen by the Board of Directors, and important matters are passed to the Board of Directors for deliberation and decision making. Furthermore, environment-related management issues compiled by the Sustainability Committee are taken into account during considerations on business strategy, investment strategy, and other aspects of the Haseko Group’s management strategy.

Having obtained ISO 14001 environmental management system certification, HASEKO Corporation, Haseko Reform, and Fujikensetsu have constructed an environmental management system based on the requirements of ISO 14001 and are continually managing and improving their environmental activities.

The Company obtained ISO environmental management system certification in the Kansai and Tokyo regions in July 2001 and October 2001, respectively. In October 2013, we integrated the environmental management systems in Tokyo and Kansai regions and have since been operating the integrated system. As of April 2025, approximately 99% of Haseko Corporation’s offices have obtained the ISO 14001 certification. Haseko Reform obtained ISO 14001 environmental management system certification in March 2014 (at Tokyo and Kansai branch offices). In April 2018, the system was updated to the 2015 version and integrated with the ISO 9001 quality management system, and the integrated system has since been in operation. In addition, Fujikensetsu also obtained ISO 14001 environmental management system certification in December 2020 for its Kansai Branch and February 2021 for its Tokyo Branch.
Going forward, we will continue to engage in environmental management activities.
Upon conducting environmental preservation activities, we formulate Environmental Policy, in response to which each division sets environmental goals and numerical targets and carries out the activities accordingly.
The environmental management system is checked by internal audit and external examination as to whether or not it complies with Haseko's determinations including specification requirements, and whether or not it is implemented and maintained properly. Based on the results, the environmental management system is reviewed and improved on an ongoing basis.
The days on which external examination was conducted and the number of matters pointed out in FY2024 were as follows.
| Date of registration /renewald |
Date of external examination | Number of matters pointed out by the external examination |
|
|---|---|---|---|
| Haseko Corporation | Mar. 31, 1997 Oct. 1, 2022 |
Jul. 30–Aug. 1, 2024 | None |
| Haseko Reform | Mar. 13, 2014 Apr. 19, 2024 |
Feb. 19–21, 2025 | None |
| Fujikensetsu (Tokyo Office) | Nov. 15, 2000 Feb. 22, 2024 |
Dec. 12, 2024 | None |
| Fujikensetsu (Kansai Office) | Mar. 1, 2000 Dec. 21, 2023 |
Oct. 10–11, 2024 | None |
In FY2024, there was no violation of environmental-related laws due to construction works.
Legend 〇: Target fulfilled △: Target almost fulfilled ×: Target unfulfilled
| Divisions | Environmental goals | FY2024 numerical targets | FY2024 results |
Assessment | FY2025 numerical targets | |
|---|---|---|---|---|---|---|
| Execution division | Reduce construction waste | Reduce construction waste | Mixed waste 3.5 kg/m2 or less |
Mixed waste Tokyo: 1.6 kg/m2, Kansai: 2.6 kg/m2 |
○ | Mixed waste 3.4 kg/m2 or less |
| Recycle mixed waste | Recycling rate: 84% or higher | Recycling rate Tokyo: 94.9%, Kansai: 88.7% |
○ | Recycling rate: 85% or higher | ||
| Prevent global warming | Reduce CO2 emissions | CO2 generated per unit of net sales 8.5 t-CO2/hundred million yen or less |
CO2 generated per unit of net sales Tokyo: 7.7 t-CO2/hundred million yen or less, Kansai: 6.7 t-CO2/hundred million yen or less |
○ | CO2 generated per unit of net sales 8.5 t-CO2/hundred million yen or less |
|
| Design divisions | Propose environment-conscious designs | Utilize environmental consideration check sheet | Number of proposals adopted ÷ Number of proposals made ≧ 95% |
Number of proposals adopted ÷ Number of proposals made Tokyo: 98.3%, Kansai: 98.7% |
○ | Number of proposals adopted ÷ Number of proposals made ≧ 95% |
| Prevent global warming (Reduce CO2 emissions) |
Utilize new CO2 Emissions Calculation Program | CO2 reduction rate: 10% or higher (Standards under Act on the Improvement of Energy Consumption Performance of Buildings, 2016: Entire building) |
CO2 reduction rate Tokyo: 27.6%, Kansai: 29.3% (Standards under Act on the Improvement of Energy Consumption Performance of Buildings, 2016: Entire building) |
○ | CO2 reduction rate: 10% or higher (Standards under Act on the Improvement of Energy Consumption Performance of Buildings, 2016: Entire building) |
|
| Office division | Reduce CO2 emissions | Reduce electricity usage | The actual results in the previous fiscal year or less | +2.5% YoY (Tokyo: +4.7%, Kansai: -1.6%) |
× | The actual results in the previous fiscal year or less |
| Reduce copy paper usage | The actual results in the previous fiscal year or less | -10.3% YoY (Tokyo: -12.2%, Kansai: -6.9%) |
○ | The actual results in the previous fiscal year or less | ||
| Haseko Technical Research Institute | Promote new R&D that helps reduce the environmental burden | Develop technology for improving housing performance | Number of projects launched in the year 8 projects or more |
Number of projects launched in the year 9 projects |
○ | Number of projects launched in the year 8 projects or more |
| Develop technology for using natural energy | ||||||
| Develop technology for improving facility efficiency | ||||||
| Develop technology for reducing construction waste | ||||||
| Develop technology for reducing CO2 emissions | ||||||
| Steadily progress toward annual targets for applicable R&D projects | Average progress rate on annual goals 90% or higher |
Average progress rate on annual goals 85% |
△ | Average progress rate on annual goals 90% or higher |
||
Haseko Corporation is a member of the Japan Federation of Construction Contractors (JFCC), which promotes industry-wide measures against global warming. Haseko Corporation supports JFCC's efforts aimed at a low-carbon, recycling-oriented and symbiotic society, and promotes initiatives to alleviate and adapt to climate change.
Haseko Group's Sustainability
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