| Parameter | Value | Rating |
| UCS (Mpa) | 25 - 50 | 4 |
| RQD | 25 - 50 | 8 |
| Spacing (mm) | 60 - 200 | 8 - 10 |
| Condition of discontinuities |
| 10 |
| Groundwater | Flow | 4 |
| RMR | 34 - 35 | |
| Class no. | Poor rock | |
| Cohesion of the rock mass (KPa) | 115 | |
| Friction angle of the rock mass (deg) | 15 - 25 | |