Build on Sand

My university, i.e. the whole campus, seams to be literally build on sand. There are several construction sites on campus ...because the A$80 million surplus needs to be spent on buildings rather than on competent lectures... anyway...
Where ever they dig a hole they just excavate sand. I actually find this quite funny because I am used to dark thick soil back home and not to this fine yellow sand perfect for a sandpit. But I guess they are used to this here and developed special construction techniques to handle the sandy subsurface and I don't need to be afraid of buildings collapsing because of quicksand :-)