Designated Investigation Agency | Implementation of Early Voluntary Soil Surveys to Prevent Delays in Construction Period During Factory Reconstruction

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Soil contamination survey

last updated：Sep 07, 2026

ジオテック

Completely avoid construction delays during factory rebuilding! We support the reliable execution of business plans by early detection of risks through voluntary soil contamination surveys conducted during operations.

This document proposes methods for preventing construction delays and managing risks by voluntarily conducting soil investigations from the operational phase for businesses considering factory reconstruction or large-scale facility renovations. Generally, if soil contamination is discovered after the demolition of existing buildings, it necessitates prior notification to the authorities and unexpected soil replacement work, which can lead to a complete halt of construction for an extended period. This results in significant opportunity losses due to delays in the start of operations and serious issues such as soaring remediation costs. In contrast, by proactively conducting historical investigations and planned sampling during the operational phase of the factory, it becomes possible to visualize all underground infiltration risks in advance. If the presence and extent of contamination can be accurately identified beforehand, cleanup measures can be seamlessly incorporated into the construction plans and budget, allowing for complete control over the schedule. GeoTech, an investigation agency designated by the Ministry of the Environment, will fully support the construction of reliable evidence to thoroughly prevent construction delays by employing optimal investigation methods that do not halt site operations at all.

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basic information

This is the soil investigation specification specialized for factory renewal and rebuilding by Geotech, a designated survey organization by the Ministry of the Environment. We deploy simple mechanical boring machines (SCSC) and self-propelled boring machines that can quickly collect samples without halting normal operations, even in narrow spaces such as gaps in operating production lines or low-ceiling buildings where heavy machinery cannot enter. We conduct high-precision official analyses covering specific hazardous substances from Category 1 to Category 3 in accordance with the Soil Contamination Countermeasures Act using our own facilities. We quickly create and provide a reliable "Early Soil Assessment Evidence Report" that can be directly reflected in construction plans.

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Applications/Examples of results

It is used for pre-risk management and process management purposes in companies planning to rebuild factory buildings, significantly expand or renew production lines, or redevelop their premises within a few years. By conducting sampling before entering into a contract with a construction company or during the operational phase of the design stage, it is possible to determine in advance the presence of soil contamination lurking underground. This helps to eliminate the risk of contamination being discovered after construction has started, which would completely halt the construction line, and allows for the early preparation of documents to be submitted to the authorities, budgeting for remedial work, and the implementation of a reliable business plan that is practical and effective as a decisive environmental measure.