Geotechnical investigation: frequently asked questions
These answers are general. For your situation, check the official sources listed below or ask a professional.
Is a soils report required to build a house?
It depends on your building department. Codes such as the International Residential Code allow the building official to require soil tests where questionable soils are likely. Ask your building department before you design the foundation.
What does a soils report include?
Typically borings or test pits, laboratory tests on soil samples and recommendations for the foundation design. The scope depends on the project and the site.
Who prepares a geotechnical report?
A geotechnical engineering firm, with the report usually signed by a licensed professional engineer in the state where the project is located.