investigation Product List and Ranking from 40 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Jul 23, 2025～Aug 19, 2025
This ranking is based on the number of page views on our site.

investigation Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Jul 23, 2025～Aug 19, 2025
This ranking is based on the number of page views on our site.

  1. TRAWE Saitama//Other construction industries
  2. null/null
  3. 日本トリート Tokyo//Other construction industries
  4. 4 null/null
  5. 5 興亜開発 Tokyo//Other construction industries
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investigation Product ranking

Last Updated： Aggregation Period:Jul 23, 2025～Aug 19, 2025
This ranking is based on the number of page views on our site.

  1. External wall sounding survey using rope access technology. TRAWE
  2. Infrared exterior wall inspection using drones [Inspection period as short as half a day!]
  3. Dioxin investigation 日本トリート
  4. 4 If there is asbestos in the preliminary investigation, use the special flexible container for Asbestos Level 3!
  5. 4 I'll explain it simply! 1. Historical investigation / 2. Soil investigation / 3. Purification work 興亜開発

investigation Product List

331～345 item / All 358 items

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Asbestos survey related to renovation and demolition work.

Asbestos survey related to renovation and demolition work.

Please leave the asbestos survey related to renovation and demolition work to our company, a specialist in asbestos.

If the spray materials or insulation materials contain asbestos, a notification is required two weeks in advance, regardless of the amount contained. Since this significantly affects the construction plan and costs, please consult our company, a specialist in asbestos surveys, for a pre-renovation or demolition asbestos survey.

  • Dismantling and moving
  • Other construction services

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Terrestrial survey

Terrestrial survey

Investigating the atmospheric environment, water environment, and flora and fauna! We also conduct surveys based on the Soil Contamination Countermeasures Act.

We would like to introduce the "Terrestrial Survey" that we conduct. We carry out investigations to understand the conditions of air pollutants, noise and vibration, low-frequency sounds, as well as surveys to assess water quality, including environmental hormones, in lakes, dam reservoirs, and rivers. Additionally, we conduct surveys on items related to the natural environment, such as animals and plants, carried out by personnel with specialized knowledge. 【Survey Items】 ■ Air environment survey ■ Water environment survey ■ Flora and fauna survey ■ Survey of landscapes and activities that connect people with nature ■ Soil survey *For more details, please refer to the PDF document or feel free to contact us.

  • Environmental Survey

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Investigation of concrete structures in marine facilities

Investigation of concrete structures in marine facilities

It is very important to investigate the condition of rebar corrosion as it can lead to a decrease in structural strength!

We would like to introduce our "Survey of Concrete Structures for Marine Facilities." We conduct current condition surveys of concrete water channels and dolphins, and based on the results, we can also plan and execute repair projects. We perform visual inspections for issues such as surface delamination, peeling, exposed aggregates, cracks, and exposed rebar, as well as conducting chiseling to measure carbonation depth, rebar corrosion, and salt content. 【Activities】 ■ Visual Inspection ■ Chiseling Survey ■ Core Drilling Test ■ Underwater Concrete Technology ■ Repair Techniques for Joints and Expansion Joints *For more details, please refer to the PDF document or feel free to contact us.

  • Structural Survey

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Ultrasonic measurement survey of marine equipment

Ultrasonic measurement survey of marine equipment

Thickness measurement of steel structures using ultrasound, coating thickness measurement! Investigation using beam sonar is also possible.

We would like to introduce our "Ultrasonic Measurement Survey of Marine Equipment." We measure the thickness of steel materials in underwater steel structures using ultrasound, without exposing the structural components. This allows us to assess the corrosion status of the steel without taking samples. Additionally, we conduct surveys using pencil beam and multi-beam sonar to capture images of underwater structures. 【Types of Measurements and Surveys】 ■ Thickness Measurement ■ Coating Thickness Measurement ■ Surveys using Beam Sonar *For more details, please refer to the PDF document or feel free to contact us.

  • Structural Survey
  • Environmental Survey

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Corrosion and damage investigation (appearance, cross-section, fracture surface observation)

Corrosion and damage investigation (appearance, cross-section, fracture surface observation)

We will observe the appearance, cross-section, and fracture surface to investigate the cause of the trouble!

As part of our investigation into the causes of various equipment troubles, we conduct "visual observation," "cross-sectional observation," and "fracture surface observation" of equipment components to identify the causes of the issues. In visual observation, we examine the components with defects from the outside to assess the degree of corrosion and the shape of the damage. In cross-sectional observation, we enlarge and observe the damaged components from the cross-section to confirm the progression of the damage and the metal structure. Additionally, in fracture surface observation, we enlarge and examine the fracture surfaces of the damaged components to identify the cause of the damage based on the traces. [Overview] ■ Visual Observation: Examine visually to assess the degree of corrosion and the shape of the damage ■ Cross-sectional Observation: Enlarge and observe from the cross-section to confirm the progression of the damage and the metal structure ■ Fracture Surface Observation: Enlarge and observe the fracture surface to identify the cause of the damage based on traces *For more details, please download the PDF or feel free to contact us.

  • Analysis and prediction system

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Soil and groundwater investigation

Soil and groundwater investigation

We have a track record of over 1,600 soil and groundwater investigations! We can also propose purification and countermeasures for contaminated soil and groundwater.

Our company has three soil contamination investigation technical managers engaged in the Soil Contamination Countermeasures Act, and we offer "Soil and Groundwater Surveys." We conduct various investigations including historical surveys, soil contamination status surveys, boring surveys, groundwater contamination surveys, hydrological surveys, oil contamination surveys, and investigations of dioxins in soil. Additionally, we can propose purification and countermeasures for contaminated soil and groundwater. We have a track record of over 1,600 soil and groundwater surveys. Please feel free to consult with us. 【Main Services】 ■ Historical Surveys ■ Soil Contamination Status Surveys (Soil Gas Surveys, Soil Leaching and Content Surveys) ■ Boring Surveys, Groundwater Contamination Surveys, Hydrological Surveys ■ Oil Contamination Surveys, Dioxin Surveys in Soil, Well Cleaning, etc. *For more details, please download the PDF or feel free to contact us.

  • Environmental Survey

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Site survey and government office survey

Site survey and government office survey

Site surveys and government research are the "first step" in residential design. We support design with appropriate investigations.

We provide a one-stop service for site surveys of residential businesses, managing everything from reception to report delivery. Upon receiving your request, we will proceed with arrangements, conduct current condition surveys and municipal investigations, and then our technicians will carefully examine the findings before delivering the report to you. We deliver reports reviewed by architects nationwide.

  • Surveying Office

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Asbestos survey

Asbestos survey

Asbestos surveys are mandated by law! We will introduce pre-investigations during demolition and renovation work.

We would like to introduce our "Asbestos Survey." A preliminary survey will be conducted in accordance with the methods outlined in the "Establishment of Technical Guidelines for Preventing Asbestos Exposure for Workers during Demolition and Other Construction Activities (Notification No. 0509-10)" and the "Manual for Thorough Measures to Prevent Asbestos Dispersion and Leakage [Version 1.02]." Additionally, the technical management will be carried out by certified asbestos surveyors who have completed training from the Japan Environmental Sanitation Center (a general incorporated foundation) and asbestos diagnosticians (from the JATI Association). 【Features of Our Preliminary Survey】 ■ The document survey will involve a thorough examination of the specifications and finishing tables provided in the design documents. ■ The on-site survey will visually inspect representative areas of suspected asbestos-containing materials listed in the document survey (not all rooms will be inspected). *For more details, please refer to the related links or feel free to contact us.

  • Structural Survey
  • Environmental Survey

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Soil contamination survey

Soil contamination survey

Evaluate the risk of soil contamination based on land history! Develop a survey plan based on the information from the historical investigation.

We would like to introduce our "Soil Contamination Survey." Typically, we proceed in the order of historical investigation, overview survey, and detailed survey. Additionally, if it is confirmed that there is no risk of contamination during each survey, the investigation will conclude at that point. Please feel free to contact us when you need our services. [Survey Contents] ■ Historical Investigation (Phase I) ■ Surface Survey (Phase II) ■ Depth Survey (Phase II) *For more details, please refer to the related links or feel free to contact us.

  • Environmental Survey
  • Geological Survey

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【Business Content】Exterior Wall Inspection Survey

【Business Content】Exterior Wall Inspection Survey

Access to any work area is possible! Safety measures are being implemented by everyone.

We would like to introduce our "Exterior Wall Inspection Survey." Not only do we perform high-altitude work using ropes, but we also own upright lifts and lightweight aluminum scaffolding, allowing us to carry out work efficiently and appropriately according to the location. Additionally, we have holders of the international qualification "IRATA," who provide guidance on rope installation and other related tasks. 【Services Offered (Partial)】 ■ Work in confined spaces ■ Leak inspection ■ Tile work ■ Exterior wall painting ■ Caulking work *For more details, please download the PDF or feel free to contact us.

  • Company：TRAWE
  • Price：Other
  • Special Construction Method
  • Structural Survey

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External wall sounding survey using rope access technology.

External wall sounding survey using rope access technology.

No scaffolding is required, so only inspections can be conducted! A method suitable for preventive maintenance of buildings.

We would like to introduce the exterior wall inspection survey using rope access technology. Since there is no need for temporary scaffolding, costs associated with scaffolding can be reduced. Repairs can also be carried out after the exterior wall inspection without the need for scaffolding. Additionally, with a flexible repair plan, the financial burden can be divided. Initially, only the severely damaged "sealing work" can be done, followed by "tile work" in the next term, and then "painting work," allowing for cost division. 【Features】 ■ Capable of conducting inspections on walls of buildings in narrow spaces ■ Suitable method for preventive maintenance of buildings ■ Inspections can be conducted without the need for scaffolding ■ Ideal for high-rise buildings, etc. *For more details, please download the PDF or feel free to contact us.

  • Company：TRAWE
  • Price：Other
  • Special Construction Method
  • Structural Survey

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