Typical thickness for slab on grade isïselect the best answer)
a- 2 inches
b- 3 inches
c- 6 inches
4- 5 inches
2- Per Green Code you are required to lay a bed of gravel between 4 to 7 inches under the slab
on grade:
TRUE - FALSE
3- What is the meaning of suspended concrete slab? Write your answer below
4- What types of footing does this diagram show? Name all three