Soil Survey to Optimize Residual Soil from Apartment Demolition for the Demolition Industry | Geotech

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Soil contamination survey

last updated：Oct 19, 2026

ジオテック

We support the proper separation of contaminated soil through staged sampling and optimization of transportation costs.

In the demolition construction industry, the proper management of excavated soil generated during demolition work and the control of transportation costs are important issues. In particular, accurately understanding compliance with residual soil regulations and acceptance site standards is essential to prevent delays in construction schedules and ensure smooth site operations. Improper sorting can lead to high disposal costs and delays in transportation. Our comprehensive soil investigation visualizes the quality of excavated soil through phased sampling from phases 1 to 3, efficiently separating non-compliant soil from reusable residual soil, thereby achieving both cost optimization and improved transportation efficiency. 【Usage Scenarios】 - Sorting of residual soil during deep excavation associated with apartment demolition - Confirmation of compliance with transportation standards based on municipal residual soil regulations - Contamination risk assessment and sampling plan development for each work zone 【Effects of Implementation】 - Optimization of disposal costs through clear separation of non-compliant soil and reusable soil - Secure legal evidence based on measurement certification - Maintenance of construction schedules and realization of smooth transportation plans through phased sampling

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【Features】 - Preliminary diagnosis of contamination risk through Phase 1 historical examination - Borehole core sampling capable of reaching a maximum depth of 10 meters - Official analysis compliant with 29 specific hazardous substances - Full compliance with municipal soil disposal regulations and construction soil removal standards - Detailed quality visualization by work area and grid 【Our Strengths】 As a designated investigation agency by the Ministry of the Environment, we provide a one-stop service from ground surveys to soil contamination investigations based on extensive experience and reliable technology. We fully support our clients' site operations with official analyses delivered in extremely short timeframes and thorough investigations that emphasize legal evidence.

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This survey method is used to obtain prior approval for the acceptance of excavated soil generated during large-scale excavations associated with underground pits and pile foundation work during the construction of urban apartments, as well as civil engineering works such as subways and infrastructure development. It provides evidence of full compliance with the strict chemical substance standards specified by the receiving sites and disposal sites, and is suitable for practical scenarios that prevent delays of loading and transporting trucks on-site. Additionally, it addresses public needs for minimizing disposal costs through grid-based management for each work section, expediting administrative consultations based on residual soil regulations, and providing safety operation certifications for clients and surrounding residents.