Hi there,
I am designing a home (1 storey, with an attic space loft facilitated by attic trusses) and the soil is classified as SW=SM. d10=0.072, d60=0.22, Cu=3.1, K=5.18E-03 cm/sec
I was initially told that the site was approved for a steel building to be build, with a slab on grade foundation...