

| WALL WIDTH metres |
RETAIN! | REINFORCED CONCRETE BLOCK WALL |
REINFORCED FILL |
| 1 |
0.7 |
1.1 |
1.8 |
| 2 |
1.15 |
1.9 |
2.4 |
| 3 |
1.6 |
3.0 |
2.7 |
| 4 |
2.0 |
4 |
3.6 |
| 5 |
2.45 |
- |
4.5 |
| 6 |
2.9 |
- |
5.4 |