We will conduct an investigation to obtain certification for compliance with standards on the land designated by the area!
At Kōa Development, we conduct "certification surveys" to obtain certification for land designated in specific areas. The density and methods of the survey vary depending on factors such as the depth of contamination and the condition of fill brought in from outside. Soil at depths where contamination has been confirmed cannot receive certification. There are two types of survey methods: pre-excavation surveys and post-excavation surveys. These tasks require a wide range of specialized knowledge and know-how. Our company continuously provides education and training for the technicians engaged in these tasks, enabling us to deliver speedy and highly accurate survey results. 【Features】 ■ Environmental survey drilling machine (Eco Machine) - Capable of soil sampling without using excavation water by applying vibration and rotation to the cutting edge - Generates minimal excavation waste, resulting in less contaminated soil to store and process - Fast excavation speed and easy machine mobility ■ Providing speedy and highly accurate survey results *For more details, please refer to the PDF materials or feel free to contact us.
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【Flow of Certification Survey (Pre-Excavation Survey)】 ■ Historical Investigation during Certification Survey ■ Classification of Contamination Risk ■ Preparation of Certification Survey Plan ■ Boring Survey ■ Measurement and Analysis ■ Identification of Certification Application Scope ■ Application and Certification *For more details, please refer to the PDF document or feel free to contact us.
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[Purpose] ■Soil contamination survey *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Koa Development was established in 1953 (Showa 28), and thanks to your support, we have surpassed our 60th anniversary, for which we are sincerely grateful. Our company started as a geological survey firm and now primarily focuses on consulting services related to ground and groundwater, as well as soil environment consulting and purification and restoration projects to maintain a rich global environment. In our country, natural disasters caused by earthquakes, heavy rains, and typhoons, such as the Great East Japan Earthquake and the Hiroshima heavy rain disaster, are frequent. This is exacerbated by Japan's unique vulnerable ground and steep terrain, which amplify the scale of disasters. In such a natural environment, the role our company plays as a group of ground experts (Geo-Doctors) is becoming increasingly important. We aim to further refine the ground and soil environment-related technologies that form the foundation for the development of social infrastructure and the construction of a sustainable society, providing optimal solutions and contributing to society so that everyone can live safely and securely. We will continue to prioritize our customers and strive for further development of our business, so we kindly ask for your guidance and encouragement.