A geotechnical site investigation is the process of collecting information and evaluating the conditions of the site for the purpose of designing and constructing the foundation for a structure, such as a building, plant or bridge. Geotechnical Report is the outcome of the geotechnical investigation and/or desktop study used to communicate the existing site conditions to other professionals such as structural engineers, project managers, project engineers or construction personnel. 

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​Geotechnical Site investigation are carried out to provide comprehensive subsoil data for residential, commercial or infrastructure projects. Site investigations help determine the existing ground conditions and provide detailed subsoil information on geology, behaviour and  characteristics for civil and structural design.

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The information contained in geotechnical report is referred to often during the design period, construction period, and even after completion of the project (resolving claims). Therefore, the report should be as clear, concise, and accurate as possible. Both an adequate site investigation and a comprehensive geotechnical report are necessary to construct a safe, cost-effective project. Furthermore, engineers need these reports to conduct an adequate review of geotechnical related features (i.e. earthwork, retaining walls, foundations, etc.).

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When you build a piece of infrastructure it has to be connected to the ground. Geotechnical engineering is about understanding how the infrastructure interacts with the ground.

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Geotechnical engineers deal with many types of infrastructure – tunnels, bridges, dams, buildings, roads, railways, ports and landfills – that are built on the ground. The ground nearly always has a complicated behaviour, whatever the type of soil or rock it is made of, so geotechnical engineering is very exciting and challenging – no two problems are ever the same.

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Reliability of the information contained in geotechnical report has a strong influence on design, construction, project cost, safety and resolution of contractual disputes and hence the report must be clear, concise and accurate. Inadequate geotechnical investigations are many a times source of costly, over designed foundations, project delays, disputes, claims, and project cost overruns. The construction industry experts usually quote ''you make or or break in the ground'' to point out possible significant cost variations that could occur during ground works.

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Greywacke Geotechnics provides the most cost effective and professional ground engineering services to exceed client's expectations.  From test pits, rock coring and onsite testing to more sophisticated and detailed investigations, our  company offers an integrated ground investigation service providing quality data to the construction industry.

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