Environmental Consideration on Construction Sites

Basic Policy

Sumitomo Forestry is working to advance toward building a sustainable circular society. Particularly at construction and building sites, where the environmental impact of waste is high, we endeavor to reduce environmental impact through appropriately restricting the production of industrial waste, reusing and processing materials for recycling.

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Initiatives to Reduce Waste

Initiative for Reduction of Industrial Waste Generated at New Housing Construction Sites

FY2018 Initiatives to Reduce Waste

In July 2014, Sumitomo Forestry set up the Waste Reduction Working Group comprising representatives from the product development, material procurement, production management and environment divisions. The working group has been planning and implementing a wide range of measures to reduce waste on new housing construction sites.

We discovered two-thirds of all our waste is made up of wood waste, gypsum board and cardboard from detailed data about waste aggregated from the industrial waste management system used under this inter-region certification. We are working to reduce waste by concentration on these three primary forms of waste.

In fiscal 2018, we changed the packing materials for interior materials and the standard size of the sub-floor gypsum board and also revised our curing methods for flooring and other materials. In particular, revised curing methods can realize approximately 150 kg reduction of waste (cardboard) per home by replacing conventional disposable curing materials with reusable curing materials.

Furthermore, we strive to raise awareness on construction sites and conduct educational activities by providing feedback of data for waste emissions of each property.

Reduction Rate of Industrial Waste Generated at New Housing Construction Sites

The Sumitomo Forestry Group also upholds the fiscal 2020 target in its former Mid-Term CSR Management Plan to reduce the industrial waste generated at new housing construction sites by 30% from the fiscal 2013 level. In fiscal 2018, the initiative described above achieved major results, reducing the amount of industrial waste per new houses by 31.9% from the fiscal 2013 level and we achieved our fiscal 2020 target early.

Reduction Rate of Industrial Waste Generated at New Housing Construction Sites

Reduction Rate
FY2013 (Baseline) -
FY2015 -2.5%
FY2016 -8.8%
FY2017 -15.5%
FY2018 -31.9%
FY2020 (Target year) -30%

Initiative for Recycling of Industrial Waste Generated at New Housing Construction Sites

Sumitomo Forestry meticulously sorts waste produced on new housing construction sites. We will raise awareness through mediums such as posters including specific waste information to make sorting of the 11 categories of waste easier.

Acquisition of the Inter-Region Recovery and Recycling Certification by the Ministry of Environment

Sumitomo Forestry acquired the inter-region recovery and recycling certification from the Ministry of the Environment in December 2010. This certification enabled us to build our own industrial waste recycling system by allowing transport of waste by proprietors other than waste disposal operators.

Our industrial waste management system for new housing construction sites helps contribute to the rationalization of waste disposal by using returning transportation for collecting waste while also securing traceability by applying bar codes to waste and collecting detailed data about the waste that is produced.

Operations at the Metropolitan Area Recycling Center

Sumitomo Forestry used the acquisition of the inter-region recovery and recycling certification to establish the Metropolitan Area Recycling Center in Kazo, Saitama Prefecture for advanced sorting and data collection.

The Metropolitan Area Recycling Center started full operation in fiscal 2012 and has been collecting and processing waste produced by new housing construction sites of the metropolitan and six prefectures of Kanto (Metropolitan Tokyo, Kanagawa, Chiba, Saitama, Ibaraki, Tochigi, and Gunma prefectures).

Setting up the Metropolitan Area Recycling Center brings data feedback to product development, material procurement and production management divisions by facilitating the collection of specifications, construction branches as well as the detailed status and trends of waste generation in each region. This data is being leveraged in our initiatives to reduce waste.

This initiative works to expand operation under the certification for the inter-region recovery and recycling, build processing routes led by Sumitomo Forestry, and further promote recycling even in regions outside the metropolitan area.

Metropolitan Area Recycling Center

Metropolitan Area Recycling Center

Flow of Materials Distribution and Collection of Industrial Waste Using Material Relay Centers

Flow of Materials Distribution and Collection of Industrial Waste Using Material Relay Centers

Waste Management for Demolition Work

Sumitomo Forestry is strengthening management by building a system able to confirm the type, quality and packaging of waste to transport from demolition work sites using mobile phones and smartphones.

The delivery confirmation invoice sent thanks to input into an electronic manifest checks whether the issuance is correct via our system.

Moreover, this system has been fully adopted by all demolition partners as of fiscal 2013.

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Together with Construction Contractors

Sumitomo Forestry publishes monthly safety and environment information that includes information and topics about safety and the environment to help prevent accidents and avoid risks by repeatedly raising awareness at branches and construction contractors.

Conducting Environmental Training for Business Partners

In fiscal 2017, we began conducting joint trainings for personnel in charge of industrial waste management and administration personnel in charge of manifest input at demolition contractors at branches. This joint learning environment becomes a venue for communication with our business partners and realizes close contact between branch administration and demolition contractors to ensure smooth electronic manifest input vital to industrial waste management.

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Sustainability Report