[For Construction] Environmental Survey of Residential Land History | Designated Survey Organization | Geotech
Geographical and historical survey
Thoroughly examine the historical land use records and visualize soil contamination risks in advance. A technology that eliminates blind spots in land transactions.
In the construction industry, determining the necessity of ground improvement is extremely important not only for accurately understanding the physical strength of the ground but also for assessing the presence of soil contamination, from the perspective of optimizing construction plans and managing risks. Particularly when the history of past land use is unclear, the detection of unexpected hazardous substances may lead to project delays and additional costs. This investigation thoroughly examines past land use change records and the risks associated with mixed-use land, visualizing the potential for soil contamination in advance to support smooth project progress. 【Usage Scenarios】 - Ground surveys and soil contamination risk assessments before residential land development - Development plans for land previously registered as "mixed-use" - Pre-confirmation of defect liability risks in real estate transactions 【Benefits of Implementation】 - Avoidance of legal troubles through early detection of hidden soil contamination risks - Proper cost management by reflecting contamination information in ground improvement construction plans - Decision-making based on objective data from Environment Ministry-designated investigation agencies
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basic information
【Features】 - Fully compliant with the Ministry of the Environment's Soil Contamination Countermeasures Act investigation guidelines - Remote analysis using old maps and aerial photographs from the Taisho era - Comprehensive tracking of past land use changes (such as mixed-use land) through closed registration records - Precise sampling up to a depth of 1 meter targeting specific hazardous substances - Rapid risk extraction combining administrative document examination and field practices 【Our Strengths】 GEO-TECH is an engineering company specializing in ground and foundation work, providing one-stop services from ground investigation to ground reinforcement design and construction, as well as soil contamination surveys. Leveraging our solid expertise as a Ministry of the Environment designated investigation agency and our extensive experience in ground-related operations, we contribute to solving challenges at construction sites.
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Price range
P3
Delivery Time
P4
Applications/Examples of results
The main application scenario is the voluntary verification process conducted by real estate developers and construction companies before the sales contract when acquiring new residential land or planned condominium construction sites. This applies even to general residential land that is categorized as something other than forest or wilderness, if it has undergone a change in land classification in the past and has gone through classifications such as "mixed-use land." Additionally, it is utilized for pre-risk management beyond the statutory obligations associated with the evaluation of company-owned land during asset liquefaction or M&A, as well as during the notification of changes in land characteristics when rebuilding factories. This helps to identify potential underground environmental defects that might be overlooked in advance, aiming to prevent transaction failures and legal disputes after delivery.
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