- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 13 Dec 2018
Soil is one of the most important natural resources and performs many important functions for plants, animals and humans. Construction activities can have an adverse effect on soils and so its impacts need careful consideration as part of the development process.
- Classify the soil according to a standard classification system.
- Record the boundaries of soils on a map.
- Provide predictions about how soils will behave.
A soil survey should be undertaken by a suitably qualified and experienced soil scientist before any earthworks begin. The survey will provide the appropriate information to determine and quantify the extent of topsoils and subsoils on a site.
Typically, a survey will involve the use of hand-held sampling equipment such as hand augers, and for some investigations, trial pits may be required. Repeated soil samples are taken around the site with the characteristics of each layer recorded (for example; colour, texture, drainage details, topsoil/subsoil). Analysis of representative soil samples will also be undertaken to characterise different soil material; for example, pH, particle size, organic matter, potential contaminants, and so on.
A number of different soil classification systems are available, which differentiate between the numerous soil types found around the world. The Soil classification system of England and Wales is based on the differences in the soil profile, that is, ‘…a sample of the soil mantle extending from the ground surface to about 1.5 m, and formed of several layers or soil horizons’.
- A description of the characteristics of each soil resource.
- A discussion of the potential for re-use of soils on site.
- Recommendations for the handling and storage of soils on site.
- Maps showing the locations of soils on site.
 Soil protection during construction
 Related articles on Designing Buildings Wiki
- Building on fill.
- Building survey.
- Conceptual site model.
- Condition survey.
- Contaminated land.
- Desk study.
- Geophysical survey.
- Ground conditions.
- Ground investigation.
- Insitu testing of soils.
- Land surveying.
- Minerals surveyor.
- Site investigation.
- Site survey.
- The importance of soil analysis.
- Trial pit.
- Types of soil.
- Vendor survey.
 External references
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