investigation×興亜開発 - List of Manufacturers, Suppliers, Companies and Products

investigation Product List

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Soil contamination investigation "Historical investigation"

Soil contamination investigation "Historical investigation"

Experienced engineers extract investigation points! We investigate the "risk of soil contamination" using existing materials such as maps and aerial photographs.

At Kōa Development, we conduct "Soil Contamination Risk" investigations based on existing materials such as maps and aerial photographs. This investigation involves collecting information regarding land use history and the history of hazardous substance usage, and it is required to identify the types of specific hazardous substances and assess the risk of contamination based on this information. These tasks require a wide range of specialized knowledge and expertise. Our company provides ongoing education and training for the technicians engaged in these tasks, ensuring that we deliver speedy and highly accurate investigation results. 【Features】 ■ Experienced technicians extract investigation points ■ Conduct thorough material investigations and interviews without omissions ■ Capable of investigating the historical location records of past facilities that no longer exist, the history of hazardous substance usage, and the status of notifications to authorities, as well as land development history such as embankments and excavations ■ In cases of mandatory investigations under prefectural regulations, we conduct investigations and report results in accordance with legal requirements *For more details, please refer to the PDF materials or feel free to contact us.

  • Surveying Consulting
  • Geological Survey
  • Environmental Survey

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Soil Contamination Survey: Overview Survey / VOC Boring Survey

Soil Contamination Survey: Overview Survey / VOC Boring Survey

We provide highly accurate survey results! Experienced technicians will conduct soil sampling and soil gas sampling.

At Kyoa Development, we conduct contamination confirmation surveys as the next step following historical investigations. The "Overview Survey" involves collecting and analyzing soil and soil gas samples to determine the presence of soil contamination by specific hazardous substances at 10-meter intervals. The density of the investigation and the sampling methods vary depending on the location of potential contamination (such as surface, below buried pipes, under pits, or former ground surfaces) and the types of specific hazardous substances. These tasks require a wide range of specialized knowledge and expertise. Our company continuously provides education and training for the technicians engaged in these tasks, ensuring that we deliver speedy and highly accurate survey results. **Features** - Experienced technicians conduct soil and soil gas sampling. - In cases of mandatory surveys under prefectural regulations, we perform investigations and report results in accordance with legal requirements. - We provide speedy and highly accurate survey results. *For more details, please refer to the PDF materials or feel free to contact us.*

  • Surveying Consulting
  • Geological Survey
  • Environmental Survey

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Soil Contamination Survey: "Soil Contamination Survey Analysis and Impact Prediction"

Soil Contamination Survey: "Soil Contamination Survey Analysis and Impact Prediction"

We conduct reproducibility analysis of contamination and predict the effectiveness of purification measures! We provide high-quality analysis.

In the "Soil Contamination Investigation Analysis and Impact Prediction Services," we conduct predictive analyses (groundwater contamination simulations) and risk assessments regarding the spread of harmful substances and purification effects. Our company utilizes the experience gained from soil contamination investigations and purification work to carry out appropriate modeling, conducting validation analyses of the models as much as possible, and providing high-quality analyses. We also offer proposals for the next step of purification countermeasure construction. 【Features】 ■ Cause investigation ■ Future predictions ■ Effect predictions of countermeasure construction ■ Effect predictions of purification countermeasures *For more details, please refer to the PDF materials or feel free to contact us.

  • Surveying Consulting
  • Geological Survey
  • Environmental Survey

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Geological Survey: "Laboratory Soil Tests and Rock Tests"

Geological Survey: "Laboratory Soil Tests and Rock Tests"

We also accommodate special tests outside of JIS and JGS standards! We provide the data that our customers need.

At Kyoa Development, we conduct "Indoor Soil Testing and Rock Testing," where we perform laboratory tests on soil and rock samples collected on-site to evaluate the physical, chemical, strength, and deformation characteristics of the ground. The "Indoor Soil Testing" is carried out using sampling materials (undisturbed samples and disturbed samples) to understand the physical and mechanical properties of the ground. Additionally, we accommodate special tests that are not covered by JIS or JGS standards, providing the data that our clients require. Our testing centers are located in two places: Kanto (Chiba City, Chiba Prefecture) and Kansai (Sakai City, Osaka Prefecture), and we also welcome clients to attend the tests. 【Features】 ■ Indoor testing ■ Support for special tests beyond JIS and JGS standards ■ Provision of data required by clients ■ Attendance at tests is also supported *For more details, please refer to the PDF materials or feel free to contact us.

  • Other earthworks, foundation works, and exterior floors
  • Surveying Consulting
  • Other civil engineering services

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Geological survey

Geological survey

We propose survey methods and plans that are suitable for your objectives and current situation in the field of geological surveys. *Over 60 years of experience.

At Kyoa Development Co., Ltd., we propose survey methods and plans that are suited to your objectives and current situation, including simulations and consulting in the field of geological surveys. Our engineers visit the site to observe the topography and geological conditions, starting with "surface geological surveys," and conduct investigations such as "boring surveys" and "in-situ tests." During the surveys and tests, we provide situation reports (interim reports) as needed, and we continuously share information with our clients to facilitate discussions on changes to the survey/test content or additional tests based on the circumstances. 【Features】 ■ Proposing suitable geological survey plans based on over 60 years of experience ■ Guaranteeing highly reliable geological surveys and tests ■ Providing detailed reports for situation understanding and smart progress management *For more details, please refer to the PDF materials or feel free to contact us.

  • Other earthworks, foundation works, and exterior floors
  • Surveying Consulting
  • Other civil engineering services

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Soil Contamination Survey "Detailed Investigation"

Soil Contamination Survey "Detailed Investigation"

The investigation to be conducted as the next step of the overview survey! Mainly, we will carry out an investigation into the depth of contamination.

At Kyoa Development, we conduct a "Detailed Survey" as the next step following the overview investigation. The "Detailed Survey" is a depth investigation of contamination conducted when soil pollution is confirmed (when specific harmful substances exceed the standard values). Since the methods of investigation vary depending on the depth of the contamination source and the soil and geological conditions, these tasks require a wide range of specialized knowledge and know-how. Our company continuously provides education and training for the technicians engaged in these tasks, enabling us to deliver speedy and highly accurate investigation results. 【Features】 ■ Environmental investigation drilling machine (Eco Machine) - Generates minimal excavation waste, resulting in less contaminated soil storage and processing - Fast excavation speed and easy machine mobility - Capable of drilling up to 20-30 meters ■ Providing speedy and highly accurate investigation results *For more details, please refer to the PDF materials or feel free to contact us.

  • Surveying Consulting
  • Geological Survey
  • Environmental Survey

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Soil contamination survey: "Soil and groundwater analysis"

Soil contamination survey: "Soil and groundwater analysis"

Conducting chemical analyses of soil, sediment, water quality, and industrial waste! We provide official methods such as notifications from the Ministry of the Environment and JIS standards.

At Kyoa Development, we conduct chemical analyses of soil, sediment, water quality, and industrial waste, and we perform "Soil and Groundwater Analysis." By conducting soil and groundwater analysis, we quantify the concentration of harmful substances in the soil and groundwater. Our company provides official methods such as notifications from the Ministry of the Environment and JIS standards. 【Features】 ■ Conduct chemical analyses of soil, sediment, water quality, and industrial waste ■ Quantify the concentration of harmful substances in soil and groundwater ■ Provide official methods such as notifications from the Ministry of the Environment and JIS standards *For more details, please refer to the PDF document or feel free to contact us.

  • Surveying Consulting
  • Geological Survey
  • Environmental Survey

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Soil contamination investigation "Certified Survey"

Soil contamination investigation "Certified Survey"

We will conduct an investigation to obtain certification for compliance with standards on the land designated by the area!

At Kōa Development, we conduct "certification surveys" to obtain certification for land designated in specific areas. The density and methods of the survey vary depending on factors such as the depth of contamination and the condition of fill brought in from outside. Soil at depths where contamination has been confirmed cannot receive certification. There are two types of survey methods: pre-excavation surveys and post-excavation surveys. These tasks require a wide range of specialized knowledge and know-how. Our company continuously provides education and training for the technicians engaged in these tasks, enabling us to deliver speedy and highly accurate survey results. 【Features】 ■ Environmental survey drilling machine (Eco Machine) - Capable of soil sampling without using excavation water by applying vibration and rotation to the cutting edge - Generates minimal excavation waste, resulting in less contaminated soil to store and process - Fast excavation speed and easy machine mobility ■ Providing speedy and highly accurate survey results *For more details, please refer to the PDF materials or feel free to contact us.

  • Surveying Consulting
  • Geological Survey
  • Environmental Survey

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Geological Survey "Surface Geological Survey"

Geological Survey "Surface Geological Survey"

Engineers will observe the topography and geological conditions! We will investigate the characteristics of the ground and bedrock.

At Kōa Development, engineers visit the site to observe the topography and geological conditions, conducting a "surface geological survey" to investigate the characteristics of the ground and bedrock. This survey is conducted to understand the geological properties, engineering properties, and hydraulic characteristics of the foundation ground in the target area, and to estimate and clarify the formation of the topography and geology, as well as the geological structure, based on their planar and spatial distribution. The data from the surface geological survey plays an important role in the interpretation of results from boring surveys and physical exploration. 【Features】 ■ Engineers visit the site to observe the topography and geological conditions ■ Investigation of the characteristics of the ground and bedrock *For more details, please refer to the PDF document or feel free to contact us.

  • Other earthworks, foundation works, and exterior floors
  • Surveying Consulting
  • Other civil engineering services

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Geological survey "Boring survey"

Geological survey "Boring survey"

We provide all the ground information you need! We investigate the geological layers of the ground using a boring machine.

"Boring surveys" are the most fundamental method of geological investigation. By using a boring machine to excavate and observe the collected samples, the composition of the strata can be understood. Generally, a standard penetration test is conducted during excavation to measure the N value (an indicator of the relative density and hardness of the ground). Our company plans and proposes sampling during boring, as well as various tests and investigations utilizing the borehole, as needed, providing all the ground information required by our customers. 【Features】 ■ Understanding of strata composition ■ Investigation of ground strata composition using a boring machine ■ Provision of all ground information required by customers *For more details, please refer to the PDF document or feel free to contact us.

  • Other earthworks, foundation works, and exterior floors
  • Surveying Consulting
  • Other civil engineering services

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Geological Survey "In-Situ Testing"

Geological Survey "In-Situ Testing"

Understand ground characteristics in situ! Conduct tests in the original position to investigate the properties of the ground.

At Kyoa Development, we conduct "in-situ tests" to understand ground characteristics at the site. Since tests can be performed in situ, we obtain data that is not affected by factors such as confining pressure and sampling disturbance, compared to methods that involve collecting soil samples and conducting laboratory tests. We provide appropriate planning and execution of in-situ tests according to the purpose and target ground. 【Features】 ■ Investigation to understand ground characteristics in situ ■ Data obtained is not affected by confining pressure and sampling disturbances ■ We provide appropriate planning and execution of in-situ tests according to the purpose and target ground *For more details, please refer to the PDF document or feel free to contact us.

  • Other earthworks, foundation works, and exterior floors
  • Surveying Consulting
  • Other civil engineering services

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Geological Survey "Field Measurement"

Geological Survey "Field Measurement"

We will measure groundwater levels, ground subsidence, structural deformation, vibrations, and noise!

At Kyoa Development, we conduct "on-site measurements" to assess ground conditions, groundwater levels, and structural deformations at the site. Depending on the purpose, measurements may be conducted over the long term and continuously, in which case we may employ methods such as automatic measurements. We also customize measurement equipment according to the purpose, target, required accuracy, and measurement duration. We provide on-site measurements tailored to our customers' needs. 【Features】 ■ Measure ground conditions, groundwater levels, and structural deformations on-site ■ Customize measurement equipment according to purpose, target, required accuracy, and measurement duration ■ Provide on-site measurements tailored to customer needs *For more details, please refer to the PDF document or feel free to contact us.

  • Other earthworks, foundation works, and exterior floors
  • Surveying Consulting
  • Other civil engineering services

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