Demolition & Blasting
Blast design, fragmentation control, and explosives consumption
Total Blasts
328
Last 12 months
Tons Blasted
613,000 ton
Annual accumulation
Avg Efficiency
86.4%
Target: 90% — below
Avg Fragmentation
27.3 cm P80
Target: 25 cm — above
Explosives Used
156.8 ton
Annual consumption
Cost / Ton Blasted
$2.97
Target: $3.00 ✓
Blasts per Month
Number of detonations performed each month
Fragmentation P80
Monthly P80 result vs. 25 cm target — lower is better
Material Blasted
Monthly tonnage fragmented by blasting operations
Explosives Mix
Usage distribution by product type (%)
Blasting Efficiency Trend
Monthly efficiency (%) — target 90%
Blast Log
Individual blast records with design parameters and results
18 records
| Date | Blast ID | Zone | Holes | Depth (m) | Charge (kg) | Tons | P80 (cm) | Efficiency | Status |
|---|---|---|---|---|---|---|---|---|---|
| 2026-03-02 | VA-2026-031 | Pit Zone A | 84 | 12.5 | 2,940 | 55,200 | 26.4 | 91% | completed |
| 2026-03-01 | VA-2026-030 | Pit Zone B | 68 | 11 | 2,210 | 42,800 | 29.1 | 85% | completed |
| 2026-02-28 | VA-2026-029 | Pit Zone C | 52 | 10 | 1,560 | 31,400 | 33.8 | 79% | partial |
| 2026-02-27 | VA-2026-028 | Pit Zone A | 96 | 13 | 3,360 | 63,100 | 24.2 | 94% | completed |
| 2026-02-26 | VA-2026-027 | Pit Zone B | 72 | 12 | 2,520 | 47,500 | 27.6 | 88% | completed |
| 2026-02-25 | VA-2026-026 | Pit Zone C | 44 | 10.5 | 1,320 | 26,800 | 36.2 | 76% | completed |
| 2026-02-24 | VA-2026-025 | Pit Zone A | 110 | 14 | 3,850 | 71,400 | 22.8 | 96% | completed |
| 2026-02-23 | VA-2026-024 | Ramp 1 | 38 | 10 | 950 | 18,200 | 31.4 | 82% | completed |
| 2026-02-22 | VA-2026-023 | Pit Zone B | 78 | 12.5 | 2,730 | 51,600 | 25.9 | 90% | completed |
| 2026-02-21 | VA-2026-022 | Pit Zone A | 60 | 11.5 | 2,070 | 39,200 | 28.3 | 87% | partial |
| 2026-02-20 | VA-2026-021 | Pit Zone C | 48 | 10 | 1,440 | 28,900 | 34.7 | 78% | completed |
| 2026-02-19 | VA-2026-020 | Pit Zone A | 92 | 13.5 | 3,220 | 60,700 | 23.5 | 93% | completed |
| 2026-02-18 | VA-2026-019 | Pit Zone B | 64 | 11 | 2,080 | 40,100 | 30.1 | 84% | completed |
| 2026-02-17 | VA-2026-018 | Ramp 1 | 32 | 10 | 800 | 15,300 | 29.8 | 83% | cancelled |
| 2026-02-16 | VA-2026-017 | Pit Zone A | 88 | 12 | 3,080 | 57,800 | 25.1 | 92% | completed |
| 2026-02-15 | VA-2026-016 | Pit Zone C | 56 | 11 | 1,680 | 33,600 | 32.4 | 80% | completed |
| 2026-02-14 | VA-2026-015 | Pit Zone B | 80 | 12.5 | 2,800 | 53,200 | 26.8 | 89% | completed |
| 2026-02-13 | VA-2026-014 | Pit Zone A | 104 | 14 | 3,640 | 68,100 | 21.9 | 95% | completed |