0043214321050TOYO CONSTRUCTION I INTEGRATED REPORT 2024 3.512.091.892.041.671.080.871.030.600.540.432019202020212022202320.010.38.32019202011.712.47.25.02.2202120222023*1 Percentage of amount of mixed waste discharge: Discharge ratio of mixed waste to the total amount of waste, excluding debris such as concrete debris, asphalt debris, and construction sludge.Trends in the percentage of amount of mixed waste discharge(%) (%)Target: 98%Total discharged amount100.7Final disposal amount2.02(FY)Construction sites generate various types of waste during the construction and demolition of buildings and structures. We strive to decrease the amount for final disposal by promoting waste reduction and recycling through 4R (refuse, reduce, reuse, recycle) efforts targeting the by-products of construction projects. We also thoroughly ensure proper disposal of waste that cannot be recycled. In addition, we will actively utilize Wide Area Certification, a system established by Japan’s Ministry of the Environment, and adopt standard-size and precut materials for transporting construction materials to minimize on-site waste and thereby contribute to realizing a circular economy.Trends in the discharged amount of mixed waste per 100 million yen of completed work(t/100 mil. yen) for civil engineering projects reflects the fact that regional factors forced many construction sites to use disposal sites with poor recycling rates for waste plastics. Mixed waste per 100 million yen of completed work in fiscal 2023 reached 0.81 tons, down from that of fiscal 2022. By ratio, the percentage of mixed waste discharged*1 from civil engineering projects was 5.9% of the total, and from building construction projects 10.6%, both commendably lower than the target of 13% and confirming an effective approach to waste separation and other appropriate waste management measures.1.07Target: 15.0%Building construction1.05Companywide0.81Civil engineering0.64(FY)Target: 13.0%Building construction10.6Civil engineering5.9(FY)2520151020016097.397.497.696.7120106.1108.5104.697.580402.912.723.172.591009898.0969492EnvironmentIn fiscal 2023, construction waste per 100 million yen of completed work reached 100.7 tons, down 7.8 tons/unit from that of fiscal 2022, and the amount of construction waste for final disposal reached 2.02 tons, down 0.57 tons/unit. The recycling rate exceeded the Companywide target of 98%, demonstrating that our efforts are appropriate.In addition, in accordance with the Act on Promotion of Resource Recycling Related to Plastics, we set a reduction target for waste plastic per 100 million yen of completed work in fiscal 2023 that was 5% lower than the level recorded in fiscal 2022, to 1.67 tons/unit, and a waste plastic recycling ratio of at least 75%. We achieved our volume target, with the amount of waste plastic/unit at 1.3 tons, but our recycling rate stalled, holding at 61.2% for civil engineering projects and 73.3% for building construction projects. The low recycling rate Trends in the discharged amount of construction waste per 100 million yen of completed work(t/100 mil. yen) Basic conceptDischarged amount of construction waste201920202021202220232024(Goal)Contribution to the circular economy by reducing construction waste56
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