S.No.
Description of soil
Safe load in Tonnes / m2
1
Soft clay, marshy clay or alluvial deposit of shallow river beds
2 to 3.75
2
Black cotton soil
5 to 7.5
3
Made up ground
5
4
Alluvial soil
5 to 7.5
5
Alluvial loam
7.5 to 16
6
Moist clay
10 to 18
7
Ordinary clay
22
8
Clay mixed with sand
22
9
Hard clays mixed with sandy clay
32 to 44
10
Loose sand
22
11
Compact sand
22 to 32
12
Compact sand
44
13
kankar
33
14
Compact gravel
43 to 55
15
Murum
22 to 44
16
Mud and firm shale
65
17
Solid rock
2 to 85
18
Ordinary rock
110
19
Hard pan overlyign rock
110
20
Hard rock
200 & above