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Ministry of the Environment – Draft Demonstration Plan for Reclamation of Removed Soil, Seeking Use as Road Fill

August 4, 2022

The Ministry of the Environment has compiled a draft plan for a demonstration project to recycle removed soil in order to reduce the final disposal volume of waste generated by the decontamination project for the Fukushima Daiichi Nuclear Power Plant accident. The project aims to expand the use of recycled materials based on removed soil at intermediate storage facilities in Fukushima Prefecture (in the towns of Okuma and Futaba), and is exploring the use of the materials for road fill. The design and construction methods and procedures will be studied until October, and construction will be carried out between October and January 2023. The project will be implemented from October to January 2023. After January, various tests and monitoring will be conducted. The project will also conduct demonstrations outside of the prefecture to demonstrate the use of recycled materials for parking lot construction and other purposes.
 On March 3, the first meeting of the “Working Group to Study the Recycling of Soil Removal at Interim Storage Facilities” (WG, chaired by Professor Takeshi Katsumi, Graduate School of Global Environmental Studies, Kyoto University) was held in Tokyo, where the draft plan was presented. The WG will organize and evaluate the findings from the demonstration project, and study measures to safely use the removed soil as recycled materials. A practical guide for recycling will also be prepared.
 According to the draft plan, recycled materials will be used for roadway fill in the interim storage facility. The road to be used for the general road standards is assumed to be a structure with sidewalks and a daily traffic volume of 4,000 to 20,000 vehicles (Class 3 and Class 2). The road is assumed to be a structure with sidewalks. Evaluation will be conducted after actual construction. The results of the project will be reflected in the guide.
 A demonstration project will be conducted outside of Fukushima Prefecture with the aim of realizing final disposal outside of Fukushima Prefecture. Recycled materials will be used for the roadbed of parking lots, and different reclamation patterns will be demonstrated, including differences in pavement and roadbed materials. Cases in which recycled materials are used to create flowerbeds and plazas will also be investigated. During the construction and use of the reclaimed materials, air dose rates in and around the reclaimed areas and radioactive concentrations in seepage water will be measured to confirm safety. Construction will be conducted this year, and monitoring will begin after completion.

August 5, 2022 - Posted by | Fuk 2022 | , , ,

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