Site Investigation

Published: May 7, 2020 | Last updated: July 5, 2023

What Does Site Investigation Mean?

Site investigation can be defined as the process of investigating a proposed construction site for the purpose of collecting, assessing and reporting information and data regarding the site.

This collected information is then used to generate a report detailing the physical ground conditions, topography, soil and rock properties and hazards that may present at the site.

The different stages of site investigation are reconnaissance, data and map study, in-depth or intrusive site investigation, and laboratory testing.


Trenchlesspedia Explains Site Investigation

Site investigation is an integral part of any construction project. Reliable information obtained from a site investigation report enables designers to design strong and lasting civil projects.

Site investigation is unique to every project and should be planned based on the project requirements. The reports are not transferrable even though another project is to be undertaken at the same site, but it can be used as a reference.

The ASTM’s (American Society for Testing and Materials) geotechnical engineering standards are developed to aid in specifying, testing and investigating the properties of surface and subsurface materials relevant to a specific project.

Boring, drilling, sampling, testing and non-destructive testing methods, as required, are employed to conduct site investigation. Sampling and testing are done remotely from the surface at some distance below the ground surface.


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