Environmental Survey of Residential Land History for Real Estate Development | Designated Survey Agency | Geotech
Geographical and historical investigation
We visualize the hidden risks of land transactions through historical land use records and soil sampling.
In the real estate development industry, accurately understanding the risk of soil contamination is essential for land acquisition and development planning. Particularly when the historical land use is unclear, there is a risk of legal troubles such as liability for defects and damages after the transfer of ownership. Therefore, objective investigations that trace back not only the registered land category but also the actual past usage are required. As a designated investigation agency by the Ministry of the Environment, our company examines the potential for soil contamination based on historical changes in land categories and provides a historical verification solution that ensures the safety of development projects. 【Usage Scenarios】 - Soil contamination risk assessment before land sale contracts - Detailed examination of the history of land previously registered as "miscellaneous land" - Preliminary investigation of underground buried objects and hazardous substances in real estate development sites 【Benefits of Implementation】 - Advance visualization of risks through comprehensive tracking of past land category changes - Reduction of legal risks through investigations based on the Soil Contamination Countermeasures Act - Rapid extraction of contaminants through sampling tailored to on-site practices
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【Features】 - Implementation of Phase 1 (historical investigation) and Phase 2 (sampling investigation) in accordance with the Ministry of the Environment's investigation guidelines - Detailed historical tracking using old maps from the Taisho era, aerial photographs, and closed registration records - Scrutiny of public documents such as official records of specific facility installation notifications from administrative agencies - Precise soil and soil gas analysis using simple boring techniques to a depth of 1 meter - Accurate extraction of risks associated with the presence of specific hazardous substances (volatile organic compounds and heavy metals) 【Our Strengths】 Geotech is an engineering company specializing in ground and foundation work, providing one-stop services from ground investigation to soil contamination surveys. Leveraging our solid expertise as a Ministry of the Environment designated investigation agency and our extensive experience gained from ground investigations, we propose optimal solutions to eliminate management risks in real estate development.
Price information
Price range
P3
Delivery Time
P4
Applications/Examples of results
The main application scenario is the voluntary verification process before the sales contract when real estate developers and construction companies acquire new residential land or planned sites for condominium construction. This applies even to general residential land that is classified as something other than forest or wilderness, if the land has undergone a change in classification in the past and has gone through "mixed-use land" or similar classifications. Additionally, it is utilized for pre-risk management beyond the legal obligations associated with the evaluation of company-owned land during asset securitization or M&A, as well as during the notification of land use changes when rebuilding factories. This helps to identify potential underground environmental defects that might be overlooked in advance, with the aim of preventing transaction failures or legal disputes after delivery.
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