Chainage | 0+876 - 1+000 | 1+000 - 2+800 | 2+800 - 4+000 | 4+000 - 5+600 | 5+600 - 6+600 | 6+600 - 7+000 | 7+000 - 7+200 | 7+200 - 7+506 |
UCS | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 2 |
RQD | 20 | 20 | 20 | 20 | 20 | 20 | 17 | 3 |
Spacing | 10 | 10 | 10 | 15 | 10 | 10 | 10 | 10 |
Persistence | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 2 |
Aperture | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 3 |
Roughness | 5 | 3 | 1 | 1 | 1 | 3 | 1 | 3 |
Infilling | 2 | 2 | 6 | 2 | 2 | 2 | 4 | 1 |
Weathering | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 |
Ground water flow | 7 | 10 | 7 | 10 | 10 | 10 | 4 | 10 |
Orientation Factor | 0 | −12 | −12 | −12 | −12 | 0 | −12 | 0 |
Total RMR Rating | 58 | 46 | 44 | 50 | 44 | 57 | 34 | 37 |
Rock class/Quality | iii/Fair | iii/Fair | iii/Fair | iii/Fair | iii/Fair | iii/Fair | iv/Poor | iv/Poor |