Underpinning
Concrete Pinning - During underpinning operations a cycle of every 4th or 5th pin being constructed concurrently is adopted.
- Rate of 1.2 m/day, i.e. 1 number support pin per day
Underpinning...
| Task / Description | Slow | Ave | Fast | Units |
| Concrete Pinning, 4th or 5th pin cycles | - | 1.2 | 2.2 | m/day |
| Brickwork Pinning, 1.0 brick thick | - | 0.4 | 0.7 | m2/hr |
| Brickwork Pinning, 1.5 brick thick | 0.1 | 0.3 | - | m2/hr |
| Brickwork Pinning, 2.0 brick thick | - | 0.2 | - | m2/hr |
| Wedge and Pin Method, 102mm wall | - | 0.8 | - | m/hr |
| Wedge and Pin Method, 215mm wall | - | 0.7 | - | m/hr |
| Wedge and Pin Method, 317mm wall | - | 0.5 | - | m/hr |
