Soil Investigation Methods ~ method chosen will depend on several
factors †
Size of contract.
Type of proposed foundation.
Type of sample required.
Type of subsoils which may be encountered.
As a general guide the most suitable methods in terms of
investigation depth are †
Foundations up to 3000 deep † trial pits.
Foundations up to 30000 deep † borings.
Foundations over 30000 deep † deep borings and in-situ
examinations from tunnels and/or deep pits.
Soil Investigation