Unit Overview
P1
P2
P3
P4
P5
P6
P7
P8
M1
M2
M3
D1
D2
Traditional Cavity Wall and Strip Foundation
Raft Foundations and Timber Frame Construction

P2 - Subsoil Investigation

Explain how the procedures used in subsoil investigation provide information for the design of substructures

 

Task

Produce a report that explains what subsoil investigation will need to be undertaken before building work can commence.

 

 

As part of the housing development is being built on an old industrial unit you are unsure of what the condition of the soil maybe. You have been asked to research what methods could be used to investigate the condition of the soil.

 

auger

Before any building work can take place an investigation into the quality of the existing soil will need to take place. The size and type of foundations used will depend on the quality of the soil and size of the building.

 

It is also important to establish who might of used the land before you in case of things such as chemical contamination from previous industrial units.

 

Samples can be taken with a machine or by hand.

 

 

 

 

Using pages 191-195 and your won research from other sources such as the internet produce a report that covers the following:

 

  1. What is a desk study?
  2. What is a walk over study?
  3. What are Geotechnical properties?
  4. What information will the environment agency or utility companies such as Thames Water be able to give you?
  5. How are soils classified?
  6. What are trials pits?
  7. What are Auger Holes?
  8. What are Boreholes?
  9. What is 'made ground'?
  10. What is Radon Gas?
  11. What is the water table and ground water conditions?
Click here for the class notes on P2