The geotechnical report said there's dolomite rock in the soil which might make the soil unstable and prone to form sinkholes. So it recommended a raft foundation to handle that potential risk. Ie, the foundation is meant to withstand moderately sized sinkhole
We've only worked on the project when I'm there. This is my house. Eg, there's been no work done for past 2 months since I've been busy with other things.
