| Mean size (cm) | 41.39 | 36.13 | 34.68 |
| BCMs per hole (m3) | 96.00 | 84.00 | 79.80 |
| Explosives cost per hole ($) | 38.27 | 39.43 | 41.75 |
| Initiation cost per hole ($) | 6.83 | 6.83 | 6.83 |
| Drilling cost per hole ($) | 96.90 | 96.90 | 67.83 |
| Total cost per hole ($) | 142.00 | 143.16 | 116.41 |
| Explosives cost per BCM ($/m3) | 0.40 | 0.47 | 0.52 |
| Initiation cost per BCM ($/m3) | 0.07 | 0.08 | 0.09 |
| Drilling cost per BCM ($/m3) | 1.01 | 1.15 | 0.85 |
| Total cost per BCM ($/m3) | 1.48 | 1.70 | 1.46 |