The purpose of site investigation is to establish parameters for foundation and substructure design; and to assess the potential contamination risks to humans, property and the environment.

Geotechnical engineering is the specialist branch of civil engineering concerned with the behaviour of earth materials and the application of soil and rock mechanics.

A contaminated land assessment is used to evaluate the potential for a pollution linkage and consider whether actions are required to manage or mitigate the risk.

RSA Geotechnics undertakes a range of in-situ and laboratory testing procedures to supplement and support our site investigation and consultancy services.

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RSA Geotechnics is an independent geotechnical and geoenvironmental site investigation specialist based in Needham Market, Suffolk. We offer a range of professional consultancy and testing services for all aspects of ground engineering, environmental assessment, land remediation and validation.

The company was founded in 1980, and we have been involved with more than 15,000 development projects throughout the UK. Our expertise includes soil analysis, earthworks and foundation design solutions and the investigation of potentially contaminated sites.

We have undertaken ground investigations across the whole of the UK although our primary area covers London, East Anglia, South East and South and East Midlands.

We have recently carried out work in: Bedfordshire, Berkshire, Buckinghamshire, Cambridgeshire, Derbyshire, East Sussex, Essex, Hertfordshire, Kent, Leicestershire, Lincolnshire, Norfolk, Northamptonshire, Nottinghamshire, Oxfordshire, Suffolk, Surrey, Warwickshire, West Sussex and Worcestershire.