Blast number | Average hole length (m) | Charge length (m) |
P4-60-P2 | 12.40 | 7.44 |
P4-48-P1 | 12.50 | 7.50 |
P4-60-P4 | 6.50 | 3.90 |
P3B-87-P1 | 6.40 | 3.84 |
P3-18-P1 | 12.80 | 7.68 |