| Group | Types and conditions of rocks and soils | Safe Bearing Pressure |
| Rocks | Rocks (hard) without laminations and defects. (granite, trap & diorite) | 3240 |
| Laminated Rocks. For e.g. Sand stone and Lime stone in sound condition | 1620 | |
| Residual deposits of shattered and broken bed rocks and hard shale cemented material | 880 | |
| Soft Rock | 440 | |
| Cohesion less Soils | Gravel, sand and gravel, compact and offering resistance to penetration when excavated by tools | 440 |
| Coarse sand, compact and dry | 440 | |
| Medium sand, compact and dry | 245 | |
| Fine sand, silt (dry lumps easily pulverized by fingers) | 150 | |
| Loose gravel or sand gravel mixture, Loose coarse to medium sand, dry | 245 | |
| Fine sand, loose and dry | 100 | |
| Cohesive Soils | Soft shale, hard or stiff clay in deep bed, dry | 440 |
| Medium clay readily indented with a thumb nail | 245 | |
| Moist clay and sand clay mixture which can be indented with strong thumb pressure | 150 | |
| Soft clay indented with moderate thumb pressure | 100 | |
| Very soft clay which can be penetrated several centimetres with the thumb | 50 | |
| Black cotton soil or other shrinkable or expansive clay in dry condition (50% saturation) | 130 - 160 |