ジオテック List of Products and Services

The aging of infrastructure facilities such as underground piping, drainage pits, and chemical storage tanks in long-operating chemical plants, manufacturing factories, or metal processing facilities poses a serious governance risk by causing the underground leakage of invisible harmful substances. This comprehensive investigation service is an environmental defense package designed to inventory potential contamination risks on-site early while maintaining daily operations and to avoid the negative legacy of land assets. First, in Phase 1, the usage history investigation thoroughly examines detailed documents such as past equipment layouts and repair records to accurately pinpoint areas with a high risk of leakage. In the subsequent Phase 2, overview sampling is conducted using methods that do not interfere with operations, employing high-precision soil gas analysis to detect trace amounts of volatile organic compound leaks and scientifically quantify the underground conditions. In the event that infiltration into the underground is detected, a detailed investigation will accurately determine the extent of contamination, assist in the formulation of annual planned purification and diffusion prevention measures, and completely eliminate the risk of future significant loss troubles.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In high-value transactions of commercial real estate or negotiations for land purchases, proceeding with a deal while the risk of underground soil contamination remains unclear poses a critical risk of either accepting unjust discount demands or facing substantial environmental defect damage claims after the transfer. This comprehensive investigation service provides a practical solution to fully visualize the environmental safety of the land before the transaction, ensuring a leading position and overwhelming transparency in the negotiation process. First, in Phase 1, the usage history investigation thoroughly examines the registry, closure drawings, and changes in land classification history to objectively identify areas of concern regarding hazardous substances. Next, in Phase 2, a high-precision on-site investigation is conducted, including rapid soil gas analysis and surface sampling, to scientifically verify the presence of contamination, including Class 1 specified hazardous substances. In the event of contamination detection, detailed drilling is carried out to accurately determine the extent of contamination, allowing for logical calculation of specific remedial costs, which serves as a solid basis for liability clauses and price adjustments in the contract, effectively blocking unfavorable transactions.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In the practical measures for soil contamination countermeasures, inappropriate sampling and ambiguous measurement bases can lead to significant oversights in contamination or generate excessive remediation costs, becoming serious factors that can jeopardize business plans. This comprehensive investigation service is a high-precision solution that leads to the accurate determination of contamination areas by obtaining objective data that fully meets scientific standards, based on reliable analytical techniques as a designated investigation agency. In Phase 1, the usage history investigation thoroughly examines materials such as registration history and administrative documents to accurately identify the historical material risks of the land. In the subsequent Phase 2 field investigation, high-precision soil gas analysis is reliably implemented as a countermeasure against designated hazardous substances, and the underground conditions are precisely quantified through strict sampling practices in accordance with measurement laws. Even in the unlikely event that standard exceedances are detected, accurate three-dimensional determination of contamination areas is achieved by conducting depth-specific sampling through detailed boring, minimizing the volume of remediation materials, thereby optimizing the budget and ensuring compliance at a high level.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

Delaying the confirmation of soil contamination risks due to the inability of large boring machinery to access narrow plots adjacent to commercial and residential areas in the city center, as well as sites of currently operating production factories, is an extremely dangerous management decision that could lead to delays in future rebuilding and a collapse in asset value. Our comprehensive investigation service is a specialized solution that completely clears such spatial and practical constraints and thoroughly optimizes investigation costs through a phased approach. First, in Phase 1, the usage history investigation meticulously examines old maps and equipment layout diagrams to identify pinpoint areas where risks are genuinely concerning. In the next Phase 2, on-site sampling utilizes compact manual and portable equipment that does not interfere with operating lines, allowing for rapid and high-precision soil gas analysis and surface sampling. Furthermore, even in cases of contamination exceedance, accurate determination of the contamination range is achieved through small-scale drilling technology suitable for narrow plots, keeping the often excessive remediation costs to a necessary minimum. With professional and flexible on-site responsiveness, we will protect your valuable land assets.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

For developers and general contractors leading urban development and large-scale condominium construction, the unexpected discovery of soil contamination after land acquisition or construction commencement poses a catastrophic business risk, leading to halted excavation work and significant delays with substantial financial losses. This comprehensive survey service is a package designed to preemptively confirm the environmental safety of the land to facilitate the development permit application and consensus-building with neighbors without issues. First, in Phase 1, the utilization history survey meticulously examines the history of the target land using old public documents and aerial photographs to reliably extract often-overlooked risk areas. In the subsequent Phase 2, the on-site survey swiftly conducts high-precision soil gas analysis targeting specific hazardous substances, scientifically identifying contamination conditions alongside surface soil sampling. If any exceedances of standards are recognized, detailed boring will be conducted to determine the extent of contamination, assisting in the optimal grid separation for each condominium construction area and ensuring a reliable off-site disposal plan, thereby achieving budget compliance and schedule adherence for the development project.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In the practical work of corporate organizational restructuring, M&A, or the securitization and sale of idle assets and factory sites, latent soil contamination underground is the biggest bottleneck that can lead to massive compensation claims in later stages. This comprehensive investigation service is a seamless environmental solution designed to completely eliminate uncertainties in investment decisions and due diligence, and to determine the appropriate corporate and land value. First, in Phase 1, the usage history investigation analyzes public documents, old maps, and administrative materials from multiple angles to thoroughly identify the historical risks of the target land. Next, for the risk zones of specific hazardous substances, Phase 2 involves a rapid on-site survey with soil gas analysis and surface sampling to scientifically quantify the presence of contamination. If contamination is confirmed, we immediately transition to a detailed investigation to accurately determine the extent of the contamination and logically estimate the costs necessary for remediation. The rigorous techniques and evidence as a designated investigation agency strongly support your company's safe asset liquidation and the success of strategic M&A.

• Site and ground investigation
• Environmental Survey
• Geological Survey

In today's rapidly increasing importance of corporate social responsibility and ESG management, properly managing the risk of soil contamination that may exist beneath company-owned land is a crucial mission that forms the foundation of corporate governance. This comprehensive survey is a voluntary environmental risk management service that goes beyond legal obligations to firmly protect a company's social credibility. In Phase 1, the utilization history investigation meticulously examines not only the registry and administrative maps but also the history of past operational performance and changes in facility layout, using a specialized approach to reliably extract hidden risk areas. The subsequent Phase 2 overview investigation employs smart sampling methods that do not interfere with ongoing operations, quickly conducting high-precision soil gas analysis as a countermeasure against specified hazardous substances, scientifically quantifying the safety of the subsurface. Furthermore, if contamination is detected, Phase 3 involves detailed boring to accurately determine the extent of contamination and appropriately assess future environmental liabilities. The rigorous reports from designated investigation agencies will solidify the company's reliability.

• Site and ground investigation
• Environmental Survey
• Geological Survey

In projects involving the demolition or reconstruction of buildings due to factory shutdowns, halting excavation plans due to soil contamination poses a critical risk that can lead to enormous penalties and delays in construction schedules. This comprehensive investigation package is a technical service designed to perfectly visualize underground contamination conditions before construction begins, ensuring that the building schedule is not affected. First, in Phase 1, a thorough usage history investigation will be conducted to trace past manufacturing line layouts and equipment updates, precisely pinpointing areas of contamination concern. In the subsequent Phase 2 field investigation, high-precision soil gas analysis will be conducted swiftly as a countermeasure against specified hazardous substances, along with surface soil sampling to scientifically identify the contamination status. If contamination is confirmed, detailed drilling in the depth direction will be carried out to accurately determine the extent of the contamination, supporting the development of a reliable and efficient soil removal and purification plan. With trusted evidence as a designated investigation agency, we will safeguard the construction schedule and thoroughly optimize project costs during reconstruction.

• Site and ground investigation
• Environmental Survey
• Geological Survey

In real estate transactions and land sales, the discovery of soil contamination after the handover poses the greatest business risk, leading to legal disputes and significant remediation costs. This comprehensive investigation service is a one-stop solution that scientifically and objectively proves the safety of land, enabling safe land transactions. First, in Phase 1, we conduct a usage history investigation by scrutinizing past public documents and land use history to comprehensively identify the handling records of hazardous substances. Next, for areas where contamination risk is a concern, we quickly carry out soil gas analysis and surface sampling as part of Phase 2 field investigations. Furthermore, if contamination is confirmed, we conduct detailed investigations to accurately determine the extent of contamination by tracing its depth and lateral spread. Based on strict public standards as a designated investigation agency, we report all processes as reliable evidence, making it ideal for supplementing important matter explanations and hedging risks in contracts. Geotech's solid technical capabilities will robustly protect the liquidity of your valuable real estate assets and enhance your social credibility.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a practical guide for managers of equipment maintenance, environmental safety, and chemical handling departments at factories and business sites that have been in operation for many years. It aims to detect and prevent the underground leakage of specific hazardous substances from aging pipes and pits at an early stage, thereby preventing future negative legacies and the expansion of environmental liabilities through a phased comprehensive soil investigation. The underground infiltration of liquefied chemicals due to infrastructure aging and disaster risks such as earthquakes is extremely difficult to detect visually, and if left unaddressed, it can lead to severe soil and groundwater contamination, posing a risk of incurring enormous remediation costs. This document explains the specific approach from Phase 1, which identifies potential leakage risk areas based on past equipment layouts and repair histories, to Phases 2 and 3, which involve gradually collecting on-site data. It eliminates excessive investigations that uniformly examine the site and accurately conducts "incremental sampling" at high-risk areas, thereby completely suppressing unnecessary high analysis costs and presenting know-how that achieves robust compliance governance and overwhelming optimization of investigation costs without halting operations.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This document is a practical manual for general contractors, developers, and site management officials of factories, created to fully comply with the soil contamination countermeasure ordinances and construction-generated soil (excavated soil) related ordinances established by prefectures and municipalities. It aims to dramatically expedite the commencement of projects through a phased comprehensive soil investigation. When changing the characteristics of land over a certain area or discontinuing specific facilities, there is an obligation to notify the authorities in advance and conduct investigations based on the ordinances. However, procedural deficiencies and unexpected contamination discoveries can lead to significant delays in the development schedule. This manual provides a step-by-step explanation of the process from phase 1, which involves a thorough historical examination of the site in full compliance with municipal requirements, to the efficient transition to phases 2 and 3. By introducing "incremental sampling," which eliminates excessive on-site work and unnecessary analysis items, it clearly outlines an approach to minimize the total costs of official analysis and achieve reliable optimization of investigation costs. The extensive practical know-how possessed by the designated investigation agency, Geotech, strongly supports smooth administrative consultations and the swift acquisition of development permits.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This document is a practical guide for financial and asset management officers aimed at companies seeking to liquidate, securitize, or trust their land and real estate assets, or to obtain loans and investments from financial institutions for large-scale development projects. It clarifies the risks of soil contamination hidden underground and provides a phased comprehensive soil investigation to completely eliminate lending and investment risks. In the rigorous evaluation of land asset eligibility in finance practices, overlooking the presence of environmental liabilities can become a critical bottleneck that directly leads to loan rejections or the cancellation of investment projects. This guide clearly explains the approach from Phase 1, which comprehensively diagnoses the presence of hazardous substance facilities based on past public documents, to Phases 2 and 3, which gradually collect on-site data. By conducting "stepwise sampling" to narrow down the subjects based on historical evidence, it presents a concrete approach to minimize unnecessary fieldwork and high official analysis costs, achieving overwhelming optimization of investigation costs. The reliable legal evidence established by Geotech, a Ministry of the Environment-designated investigation agency, firmly protects the value of important assets.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This document is a comprehensive practical manual for soil investigation created for businesses and real estate brokerage companies that own limited commercial land in urban areas, such as former gas station sites, dry cleaning factories, and printing and binding shops. It addresses the soil contamination risks faced during land redevelopment or changes in use, aiming to completely eliminate these risks within limited space and budget. Even at sites with small land areas, conducting excavation or demolition work without prior understanding can lead to the discovery of harmful substances infiltrating underground, causing work to halt and resulting in significant damages. This manual explains how to develop an efficient phased plan by clarifying the buried lines and chemical usage locations of past specific facilities through Phase 1 historical review. Additionally, by introducing "phased sampling" that targets high-risk areas, it minimizes the costs of expensive official analyses and provides specific know-how for dramatically optimizing investigation costs. Geotech's specialized sampling technology for small sites strongly supports safe land transactions and rapid project progress.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This document is a utilization guide for phased comprehensive soil surveys created for B2B companies and factory managers aiming to promote ESG management, strengthen corporate governance, and ensure compliance. It helps to early inventory potential environmental risks on company-owned land to robustly protect the company's social credibility. If legacy risks, such as underground infiltration of chemicals, are lurking on the operational site, neglecting them could lead to expanded contamination, potentially jeopardizing the company's brand value and social credibility in the future. This guide explains the step-by-step approach from Phase 1, which involves scrutinizing past handling history, to Phases 2 and 3, which focus on collecting field data. It completely eliminates unnecessary budget expenditures by avoiding uniform investigations across the entire site and implements "tiered sampling" based on historical evidence to narrow down sampling points, thereby detailing a process that achieves high cost-effectiveness and reliable cost optimization. The objective legal evidence from Geotech, a Ministry of the Environment-designated investigation agency, strongly supports the establishment of a safe management foundation and sustainable corporate value.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This document is a practical manual for comprehensive soil investigation aimed at fully visualizing and isolating "environmental liabilities" buried in the land, created for the management planning departments and legal risk management personnel of manufacturing and B2B companies involved in M&A (mergers and acquisitions), organizational restructuring, or the sale of factory sites. Completing a transaction while overlooking the underground infiltration risks of specific hazardous substances previously used by the target company or legacy risks can lead to serious management risks that may later develop into massive damage claims or disputes. This manual provides a step-by-step explanation of the process from Phase 1 investigation, which clarifies the handling history of specific facilities using past public documents, to Phase 2 and 3, which involve collecting on-site data. By introducing "incremental sampling" to prevent excessive drilling across the entire site and accurately approach high-risk areas, it demonstrates a concrete process to minimize expensive analysis costs and achieve overwhelming optimization of investigation costs. The trusted legal evidence provided by the designated investigation agency, Geotech, strongly supports safe governance and smooth negotiation outcomes.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a comprehensive guide for construction managers and general contractors/developers involved in urban high-rise condominiums and large-scale construction projects, aimed at safely and swiftly transporting large amounts of excavated soil and surplus soil generated on-site to off-site locations. It is essential to prove compliance with surplus soil regulations and receiving site standards in advance during deep excavation associated with foundation work to maintain the construction schedule. This guide presents a method for diagnosing differences in contamination risk for each construction zone through phase 1 historical site assessment and for planning optimal sampling strategies. By promoting "incremental sampling" on-site and accurately visualizing the quality of excavated soil by construction zone and grid for pre-sorting, it completely separates non-compliant soil, which incurs high disposal costs, from regular reusable surplus soil, thereby achieving significant optimization of investigation costs and efficiency in transportation. The ultra-short delivery public analysis and reliable legal evidence provided by GeoTech, a Ministry of the Environment designated investigation agency, fully support smooth operations as planned.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a comprehensive investigation practical manual designed for developers and land acquisition personnel promoting real estate development, aimed at completely avoiding post-transfer defect disputes arising from soil contamination risks. Overlooking the presence of hazardous substances buried underground during the acquisition of new land poses a fatal risk that can significantly disrupt the project's financial performance. This manual provides a step-by-step explanation of the process from Phase 1, which involves scrutinizing past land use history, registration records, and aerial photographs, to Phase 2 and 3, which focus on collecting field data. By re-evaluating the traditional excessive investigations that cover the entire site and efficiently identifying and narrowing down only the areas at risk, we present know-how that dramatically reduces unnecessary fieldwork and analysis points, achieving overwhelming optimization of investigation costs. With reliable official analytical evidence from Geotech, an investigation agency designated by the Ministry of the Environment, we strongly support compliance adherence, complementing important disclosure documents, facilitating rapid administrative consultations, and ensuring smooth development permit acquisition.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a guide for utilizing phased comprehensive soil investigations to prevent unexpected construction delays and the occurrence of sudden remedial costs in factory and facility reconstruction and equipment renewal projects. There are often risks of chemical leaks from the past to the present within operating factory sites, and starting excavation work without prior understanding can lead to a complete halt in construction due to the discovery of contamination. This document begins with a thorough historical examination in Phase 1 and provides a detailed explanation of the method for narrowing down target areas based on the usage history of specific hazardous substances. Furthermore, by introducing "incremental sampling" to eliminate unnecessary excavation in healthy areas, it presents a concrete process that minimizes the number of analysis points and on-site workdays while ensuring optimal investigation cost management. Utilizing the advanced expertise of Geotech, a designated investigation agency by the Ministry of the Environment, along with specialized boring techniques for confined indoor spaces that do not halt factory operations, we deliver optimal solutions that fully comply with legal requirements while robustly protecting the company's valuable assets and reconstruction schedule.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a guidebook that explains specific methods to achieve optimization of overall investigation costs by progressively advancing through each step from Phase 1 to Phase 3 in comprehensive soil investigations based on the Soil Contamination Countermeasures Act. When visualizing environmental risks associated with land transactions or factory rebuilds, conducting deep excavation across the entire site from the outset creates significant cost waste. Therefore, we first conduct a desktop review of historical land use (Phase 1) to identify the usage of specific hazardous substances and areas with potential contamination. Based on the results, we implement targeted phased sampling (Phases 2 and 3) at the minimum necessary locations, ensuring reliable legal evidence while thoroughly eliminating unnecessary analysis points and labor costs. With the advanced technical expertise developed by Geotech, a Ministry of the Environment-designated investigation organization, and sampling methods that utilize specialized equipment for small sites without halting operations, along with accurate data management based on official analyses, we propose an optimal plan that preemptively mitigates hidden defect risks and environmental liabilities after handover, thereby strongly protecting the company's social credibility and asset value.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a specialized guide aimed at the risk management department responsible for crisis management, health and safety, and BCP (Business Continuity Planning) in factories. It proposes a voluntary soil investigation strategy to eliminate risks associated with ground conditions due to natural disasters and aging equipment, thereby preventing unexpected operational shutdowns. Natural disasters pose significant risks by causing severe damage to infrastructure such as underground pipelines and storage tanks, increasing the likelihood of invisible chemical leaks and serious subsurface infiltration. Neglecting these issues can lead to an irreparable negative legacy in the future, evolving into environmental liabilities that threaten the survival of the company. This document systematically explains methods for inventorying legacy risks associated with infrastructure aging that should be implemented regularly, as well as procedures for early soil overview surveys to promptly determine the presence of contamination through accurate sampling. Based on the advanced field investigation and official analysis expertise of the designated investigation agency, Geotech, it covers practical crisis management techniques that establish a robust BCP system that remains unwavering even during disasters, all while constructing precise clean evidence without halting the factory's daily operations.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This document is a specialized guide aimed at management and finance departments promoting the sale and purchase of factories, M&A, asset liquidity, and trust formation. It summarizes strategic methods for the early utilization of soil surveys to accurately assess the environmental liabilities inherent in chemical handling departments, thereby avoiding future negative legacies and serious transaction breakdowns. Soil contamination discovered after a transaction is completed or after organizational restructuring is a "hidden defect" that can lead to enormous purification costs, contract cancellations, and damage compensation disputes, becoming a decisive factor that undermines corporate value. This book clearly presents the methods for conducting a legacy risk inventory at the appropriate timing before a transaction, as well as the practical process for early soil condition surveys that also include checks to prevent chemical leaks from aging equipment. By providing reliable evidence through the neutral and rigorous designated investigation agency, Geotech, it thoroughly alleviates buyer concerns and explains the mechanisms for favorable sales negotiations led by sellers and smooth consensus building. It covers precise sampling and official analysis techniques conducted without halting operational activities, making it an essential management document for maximizing asset value and completely eliminating legal risks.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This document is a specialized guide aimed at management planning, legal, and general affairs departments responsible for promoting ESG management and strengthening corporate compliance. It proposes a voluntary soil investigation strategy to overcome the potential ground risks faced by chemical substance handling departments and to protect the company's social credibility. The underground infiltration of harmful substances and the invisible leakage of chemicals during factory operations pose management risks that can instantly tarnish a company's social reputation when discovered, potentially turning into a significant negative legacy in the future. This book emphasizes the importance of thoroughly identifying legacy risks by reviewing past handling histories, regardless of legal obligations, and covers the procedures for early soil condition surveys that objectively demonstrate the safety of the ground through accurate sampling. Based on the advanced investigation techniques of Geotech, an investigation agency designated by the Ministry of the Environment, it explains methods for constructing precise clean evidence while maintaining production line operations. It clearly presents practical risk management know-how that demonstrates the transparency of environmental governance both internally and externally, balancing the enhancement of sustainable corporate value with the appropriate control of environmental liabilities.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This document is a specialized guide aimed at risk management personnel in factories striving for compliance with international regulations and responding to environmental audits in the supply chain. It presents a voluntary early soil investigation strategy to overcome legacy risks in the chemical substances handling sector. Serious underground infiltration due to chemical leaks from aging facilities, such as floor cracks and deterioration of underground piping, poses a risk of contaminating the ground unnoticed, potentially transforming into a massive negative legacy that threatens the future survival of the company. This guide comprehensively covers methods for conducting a legacy risk inventory that details past hazardous substance usage and procedures for early soil screening investigations that accurately assess contamination risks through precise sampling. Based on the advanced investigation and analysis expertise of Geotech, an investigation agency designated by the Ministry of the Environment, it clearly explains practical risk management techniques to build objective clean evidence without halting production activities, facilitating smooth compliance with ESG investments and global environmental audits.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a specialized book aimed at developers and corporate executives preparing for factory sales, M&A, or organizational restructuring. It summarizes the usefulness of early soil investigations to uncover environmental liabilities hidden in the chemical substance handling sector and to prevent future negative legacies. The underground infiltration of specific hazardous substances and the invisible leakage of chemicals from aging equipment can become fatal "hidden defects" in land transactions, leading to contract cancellations and massive damage compensation disputes. This book explains, at a practical level, the method of legacy risk inventory that thoroughly examines past operational histories and the approach to early soil condition surveys to prevent delays during reconstruction. By establishing reliable evidence through the neutral and rigorous designated investigation agency, Geotech, it presents a process that fosters buyer confidence and leads to a smooth sales agreement led by the seller. It covers the latest investigation technologies that provide a seamless response from sampling to official analysis, proving the safety of the ground without halting operations. This book achieves a balance between maximizing real estate value and managing legal risks.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a specialized guide that highlights the potential environmental risks faced by the chemical substance handling department of factories and explains an early soil investigation strategy to ensure the avoidance of future negative legacies. With years of operation, the risks of chemical leaks into the ground and underground infiltration due to the aging of pipes and storage tanks are becoming more serious. Ignoring these issues can manifest as significant environmental liabilities during future land sales or redevelopment, posing a defect risk that undermines the management foundation. This guide covers the importance of conducting a legacy risk inventory by scrutinizing past operational histories and the usage of specific hazardous substances, as well as the practical process of early soil overview investigations that involve rapid and precise sampling. Based on the advanced investigation techniques of the neutral designated investigation agency Geotech, it presents methods to visualize the invisible contamination of the ground as objective evidence without halting production line operations. It can be utilized as a practical risk management document to strengthen corporate governance, preserve asset value, and mitigate shadow legal dispute risks.

• Site and ground investigation
• Environmental Survey
• Geological Survey

In the context of corporate restructuring, M&A, or the sale of factory sites and asset liquidation, hidden soil contamination poses a serious risk factor that can lead to deal cancellations or long-term disputes with buyers. To avoid these issues being classified as defects (negative legacies) that are discovered after the transfer, it is essential to voluntarily conduct a legacy risk inventory before the sales contract, accurately assessing the scale of environmental liabilities. GeoTech, a designated investigation agency, provides high-precision early soil surveys specialized in chemical handling sectors, establishing reliable evidence. Even in operating factories, there is no need to halt production lines or logistics, as rapid sampling is conducted using unique small-scale equipment, ensuring no impact on daily operations. Early assessments based on objective official analysis results significantly enhance transaction transparency and strongly support sincere negotiations led by sellers and smooth consensus building.

• Site and ground investigation
• Environmental Survey
• Geological Survey

In manufacturing lines and chemical handling departments that have been in operation for a long time, there are often cases where the underground piping and storage tanks are deteriorating over time, posing serious risks of underground infiltration. Leaving these issues unaddressed at an invisible stage can become the primary factor leading to enormous future environmental remediation costs and potentially fatal "negative legacies," such as operational shutdowns. This catalog proposes a voluntary early soil condition survey by Geotech, a designated investigation agency, to ensure the safety of facilities and prevent chemical leaks. First, we will conduct a legacy risk inventory by creating a database of past equipment layouts and repair histories to accurately identify areas of concentrated risk. Based on this, we will implement our unique high-precision sampling that does not interfere with on-site operations, allowing for early detection of the presence of harmful substances underground and signs of their spread. This will contribute to compliance with sudden regulatory changes, elimination of defect risks, and the establishment of a clean operating environment that protects the company's social credibility over the long term.

• Site and ground investigation
• Environmental Survey
• Geological Survey

In factories and businesses that handle chemical substances, soil contamination caused by past operational history and aging equipment can become an environmental liability that significantly adversely affects the future of the company. Allowing these issues to go unaddressed at an invisible stage may lead to enormous remediation costs and legal disputes in the future, potentially resulting in a "negative legacy" that undermines the company's social credibility. To preemptively mitigate such risks, it is extremely important to voluntarily conduct a legacy risk inventory from the operational stage and implement specific preventive measures to prevent chemical leaks. GeoTech, a designated investigation agency for environmental management, offers early soil condition surveys that comprehensively identify potential contamination risks on-site. By using the latest compact equipment for accurate sampling without halting the production line, it is possible to obtain high-precision data while minimizing the impact on operations. By making early risk assessments based on objective analysis results and establishing an appropriate governance structure, the asset value of the land can be reliably protected.

• Site and ground investigation
• Environmental Survey
• Geological Survey

To smoothly advance the construction permits for the condominium and the change of land use, it is essential to swiftly navigate the complex administrative discussions with the relevant administrative agencies. This document is a practical guide specifically focused on administrative measures to prevent delays in administrative reviews and discussions, ensuring that the construction schedule is strictly adhered to. It provides detailed explanations on how to create objective evidence through "management by construction zone," which serves as logical explanatory material for administrative officials, and outlines a reliable "earth and sand removal plan" flow that incorporates the notification period to local governments calculated in advance. Additionally, it summarizes how to gather accurate numerical data through "short-term public analysis" that fully complies with public standards, which is essential for expediting reviews, as well as the practical know-how of Geotech, designated as an investigative agency by the Ministry of the Environment, which has supported numerous administrative discussions. This document is an essential resource for officials who want to prevent project stagnation due to delays in administrative responses.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In urban centers and bustling districts, there are severe spatial constraints in condominium development due to extremely limited site areas, making it impossible to secure a yard for temporarily storing excavated soil. This document compiles advanced construction wisdom to overcome such adverse conditions unique to "narrow work zones," enabling the safe and rapid transportation of soil off-site. It specifically explains the practical implementation of ultra-high-density "zone-specific management" to ensure efficient movement of heavy machinery in tight spaces, as well as the flexible construction of a detailed "soil transportation plan" with precise scheduling on an hourly basis. Furthermore, it thoroughly covers the utilization of "short delivery time public analysis" to maximize support for operations in confined areas by minimizing lead times, and the compact sampling techniques of geotechnical engineering that function accurately even in harsh site environments with many obstacles. This is a specialized document aimed at ensuring construction efficiency is not compromised due to site constraints.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In modern real estate development and corporate management, the risk of soil contamination not only significantly undermines the asset value of land but also poses a serious environmental liability that can jeopardize a company's social credibility and governance. This document presents rigorous risk management methods for companies involved in condominium development to fulfill their social responsibilities and protect their brand value. It explains data recording methods through "section-based management" to ensure 100% transparency of excavated soil and the operation of a clean "soil removal plan" that leaves no ambiguity for neighboring residents or authorities. Furthermore, it summarizes the importance of evidence from "short-term official analysis," issued by a neutral organization designated by the Ministry of the Environment, which serves as a reliable safety certification legally. It also discusses how to utilize high-quality investigation reports provided by Geotech. Based on objective facts that eliminate exaggeration, this document is intended for executives and risk management officers to strengthen corporate governance and permanently eradicate disputes associated with land transactions and development.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In construction work, "delays in the construction schedule" are the biggest enemy that can cause enormous unexpected costs and damages at every stage. This document is a practical guide that thoroughly eliminates time loss due to soil contamination investigation procedures and waiting for results, ensuring that tight schedules are strictly adhered to through ultra-fast removal methods. It clearly introduces key points of "sectional management" to eradicate rework in sampling and analysis, as well as the timeline design of the "earth and sand removal plan" that synchronizes the excavation cycle on-site with off-site transportation just in time. Furthermore, it comprehensively covers the mechanism of "short-term public analysis," which dramatically shortens lead times, and its reliable operational flow. This groundbreaking solution guide is aimed at site supervisors, site managers, and schedule managers, with the supreme objective of completely eliminating "gaps in construction" caused by waiting for analysis and ensuring safe completion within the established construction period.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In large development sites such as vast properties and super high-rise condominiums, it is not uncommon for the amount of excavated soil to reach tens of thousands of cubic meters, requiring specialized construction management capabilities for its handling. This document compiles technical know-how for developers and large construction companies involved in such mega-projects to safely and seamlessly manage vast amounts of soil. It provides detailed explanations of specific grid design methods for "sectional management" to completely control the movement of large machinery and yard congestion, as well as how to optimize large "soil transportation plans" involving hundreds of dump trucks per day. Furthermore, it introduces the operational system for "short-term public analysis" that processes a large number of soil samples in parallel without slowing down construction pace, along with GeoTech's advanced sampling techniques and agility, which have been proven in numerous large sites. This is an essential read for resolving the unique mixed-load risks and logistics delays characteristic of large-scale sites.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In recent years, regulations regarding the proper disposal of construction soil have been tightened across municipalities nationwide, and severe penalties such as work stoppages and public disclosure of company names are imposed for violations. This document is a compliance guide that explains specific practical procedures to fully comply with various laws and local ordinances concerning excavated soil generated from condominium construction. It details methods for "sectional management" based on risk classifications for each site, as well as know-how for developing a "soil transportation plan" to meet the complex acceptance criteria set by disposal sites during the planning stage. Furthermore, it explains how to accurately respond to specific analysis items and frequencies required by ordinances, and how to quickly obtain reliable measurement certificates through the use of "short-term official analysis." It also outlines the specialized legal and technical support system provided by Geotech, a Ministry of the Environment-designated investigation organization. This practical document is essential for businesses that want to thoroughly comply with regulations and completely eliminate legal risks.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In civil engineering for condominium construction, the substantial costs associated with the disposal of excavated soil significantly impact the overall profitability of the project. This document is a specialized book that comprehensively covers specific methods of "soil removal management" pursued to the utmost limits of economic efficiency and effectiveness. It thoroughly analyzes the structural causes of unnecessary costs and presents concrete approaches to eliminate them. It clearly explains practical methods such as "sectional management," which minimizes the contamination area on-site to reduce disposal costs, and how to create a "soil removal plan" that eliminates unnecessary waiting time for dump trucks. Furthermore, it introduces techniques to significantly reduce heavy machinery leasing costs and labor expenses by utilizing "short-term public analysis," which eliminates gaps in inspection procedures. Based on objective data that completely excludes exaggerated expressions, this book condenses practical know-how for construction companies and budget managers to maximize on-site productivity and achieve reliable cost reductions.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

In large-scale civil engineering and construction projects for condominium development, a significant amount of excavated soil is generated from the vast site. Safely and smoothly transporting this soil off-site is an extremely important mission to ensure adherence to the overall construction schedule. This document clearly explains practical methods to achieve efficient transportation while appropriately addressing the risk of soil contamination on-site. Specifically, it introduces the concept of "sectional management," which prevents contamination mixing by subdividing the site into grids, and the process of formulating a "soil transportation plan" that optimizes vehicle dispatch and routes. Furthermore, it comprehensively covers the utilization of "short-term public analysis," which is essential for meeting the acceptance criteria, as well as the strengths and specific support system of Geotech as a designated investigation agency by the Ministry of the Environment. This is an indispensable guidebook for developers and construction professionals to fully comply with laws and local government soil disposal regulations, preventing unexpected costs and construction delays.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This technical document serves as practical guidance for real estate brokerage companies and licensed real estate agents leading land and housing transactions. It aims to identify legal risks associated with important matters explanations (known as "juusetsu") and contracts by examining past registration histories, ensuring the avoidance of disclosure obligation violations and post-transfer defect disputes. Even if the current status is a typical residential land, scrutinizing the past "land category change history" from closed registration records is a decisive risk management measure to discover contamination risks from specific harmful substances lurking underground and the presence of buried objects before transactions. In particular, it explains a rigorous method for verifying land history that objectively identifies actual usage by utilizing chronological aerial photographs and administrative ledgers, focusing on the historical "mixed-use land risk," which is prone to claims for damages due to disclosure omissions. Additionally, it covers procedures for utilizing "land sale sampling" to perfectly complement the descriptions in important matters explanations and accelerate buyer agreement, as well as methods for obtaining reliable public evidence from designated investigation agencies. This specialized document aims to protect the social credibility of brokerage companies and promise clean and safe land transactions.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This technical document serves as an administrative guidance for businesses engaged in large-scale residential land development and construction projects, such as condominiums and commercial facilities, primarily in metropolitan areas including the Tokyo metropolitan area. It aims to swiftly navigate the increasingly complex local government regulations regarding surplus soil and development permit applications by utilizing historical land registration records. Even for residential land that is not forest or wilderness, comprehensively tracing the past "land category change history" is a crucial risk management strategy for accurately explaining ground safety during administrative consultations. The document particularly focuses on the past "mixed-use land risk" period when regulations on soil removal were strict, and it explains rigorous historical verification methods using aerial photographs and official registries. Additionally, it covers efficient sampling design for "land sale sampling" to publicly prove compliance with ordinance standards, as well as practical methods for establishing reliable analytical evidence through designated survey organizations. This specialized guide is an essential resource for completely eliminating legal and temporal risks, such as delays in review and construction start, thereby dramatically accelerating the administrative approval process in urban development.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This technical document serves as an efficiency guideline for quickly and cost-effectively extracting and assessing soil contamination risks in real estate development, land acquisition, or corporate asset management practices, particularly when there are budget and timeline constraints. Even for general residential land other than forests or wastelands, rapidly scrutinizing the historical "land category change records" becomes the most rational defense strategy to identify hidden defects while thoroughly eliminating unnecessary investigation costs. In particular, it explains the rigorous historical verification know-how to efficiently digitally match time-series aerial photographs and old maps against periods of past "mixed land risk," where concerns about contamination risks are high, accurately narrowing down the areas that require sampling. Additionally, it covers the optimization procedures for "residential land sale sampling" to minimize the number of samples and reduce analysis costs, as well as the rapid official analysis practices as a designated investigation agency. This document is an essential resource for preventing transaction cancellations and ensuring the safety of the underground environment with overwhelming cost performance.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This technical document is a guide for practitioners involved in real estate acquisition, sales negotiations, or asset value assessment. It aims to extract "hidden defects" in land to the fullest extent from the land category history in the registry, in order to avoid fatal legal disputes. Even if the current status is a clean residential area, thoroughly tracing the past "land category change history" beyond forests and wastelands is the most reliable defense measure to understand potential soil contamination and underground buried objects in advance. In particular, it focuses rigorously on the period of past "mixed land risk," which is prone to contamination by specific harmful substances, using a combination of old maps from the Taisho era, chronological aerial photographs, and administrative ledgers to explain strict land history verification methods. Furthermore, it covers the appropriate point selection for "residential land transaction sampling" to build technical backing, as well as advanced official analysis practices as a designated investigation agency by the Ministry of the Environment. This document is an essential resource for practitioners to completely eliminate the risk of massive damages or contract termination due to soil contamination discovered after handover, ensuring safe and reliable land transactions.

• Site and ground investigation
• Dismantling and moving
• Other civil engineering services

This technical document serves as strategic selling guidance for landowners and asset management personnel considering the sale of their owned land, factory sites, or idle assets. It emphasizes the seller's control in clarifying historical land use risks based on past registration categories to prevent transaction cancellations or price reduction demands. Even if the current land use is typical residential, thoroughly tracing the historical "land use change history" beyond forests and wastelands becomes a crucial defense strategy to preemptively address buyer inquiries regarding soil contamination. In particular, it explains rigorous methods for objectively verifying safety using chronological aerial photographs and old maps, especially concerning the "mixed-use land risk," which is often viewed with suspicion regarding contamination. Additionally, it covers procedures for utilizing "residential land sale sampling" to foster buyer confidence and dramatically accelerate contract agreements, as well as the know-how for building reliable disclosure evidence through designated investigative agencies. This practical guide aims to completely eliminate disputes over hidden defects after transfer and ensure smooth and advantageous real estate sales.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This technical document is a specialized resource for corporate CSR (Corporate Social Responsibility) departments, legal risk management personnel, and general affairs managers overseeing real estate assets. It rigorously evaluates environmental risks associated with land transactions and the operation of owned assets based on historical land registration categories, aiming to strengthen compliance. Even if the current status is generally residential land, tracing back the historical "land category change records" beyond forests and wilderness becomes a decisive defense measure to identify past facility usage that may have caused soil contamination. In particular, it details the rigorous historical verification process that identifies the duration of "mixed land risk," which is prone to the improper handling of hazardous substances and waste abandonment, by cross-referencing aerial photographs and public registries. Furthermore, it covers the procedures for "residential land transaction sampling" that substantiate safety with objective data, as well as reliable evidence acquisition methods by designated investigation agencies. This document effectively prevents the loss of social credibility and disputes over damages due to environmental contamination discovered after handover, strongly supporting sincere land transactions and the maintenance of corporate value.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This technical document is a practical guide for construction managers and development personnel overseeing residential housing, condominiums, and commercial facility construction projects. It summarizes practical methods to detect ground risks from past land registrations, preventing unexpected construction delays and budget overruns. Even for general residential land other than forests and wilderness, thoroughly tracing the past "land use change history" is a critical risk management strategy for discovering soil contamination and underground buried objects before construction begins. In particular, it focuses on the period of "mixed land risk," which has a history of improper backfilling and material stockpiling, and shares know-how for rigorous historical verification using time-series aerial photographs and administrative documents. Additionally, it covers efficient procedures for conducting "land transaction sampling" to ensure safety before construction starts, as well as methods for obtaining reliable public evidence from designated investigation agencies. This indispensable guide completely eliminates the risk of fatal legal troubles caused by the sudden discovery of hazardous substances during excavation, ensuring the safe and planned progress of construction work.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This document is a practical guide for the management planning departments and legal and financial personnel of companies engaged in M&A, organizational restructuring, and real estate securitization. It aims to uncover environmental liabilities hidden beneath the land owned or acquired by these companies by examining past land registration categories. Even for residential land other than forests and wilderness, a meticulous review of the historical "land category change records" can visualize the contamination risks of specific hazardous substances that could undermine a company's social credibility. In particular, it focuses on the "mixed-use land risk," which is often ambiguous in usage and prone to contamination risks, and explains strict historical verification methods using public registers and chronological aerial photographs. Furthermore, it covers the introduction procedures for "land sale sampling," which enables definitive financial evaluations, and the process for building public evidence through designated investigative agencies. This highly practical guide aims to mitigate critical corporate risks such as hidden defects and damages related to soil contamination that may be discovered after transactions, thereby supporting reliable corporate value assessment and compliance adherence from a technical perspective.

• Site and ground investigation
• Environmental Survey
• Geological Survey

This technical document is a practical guide for operators promoting a land-use conversion project for sites resulting from factory closures, summarizing methods to detect soil contamination risks based on historical land use records. Even if the target area is currently residential land, by scrutinizing past "land use change histories" other than forests or wastelands, it reveals potential risks of specific hazardous substances associated with heavy metals and volatile organic compounds that were handled at the time. In particular, it focuses on the period of "mixed land risk," which was frequently used for temporary waste storage and drum can placement, explaining an advanced historical verification process that cross-references chronological aerial photographs and administrative ledgers. Furthermore, it covers optimal layout design for "residential land sales sampling" that should be conducted in the early stages of development planning, as well as reliable evidence-building procedures as a designated investigation agency by the Ministry of the Environment. This definitive guide completely blocks legal troubles that could lead to project cancellations, such as hidden defects and damages discovered after handover, and ensures technical support for safe, high-value-added land-use conversion and maximization of land asset value.

• Site and ground investigation
• Environmental Survey
• Geological Survey