Reporting & Audit
Actual vs planned blend performance and full change history for Gamsberg.
Avg deviation (Zn)
±0.18%
within tolerance
Tonnage adherence
97.4%
actual vs plan
Out-of-spec hours
3.5h
period total
Value uplift
+$112k
vs baseline
Planned vs Actual — Zn grade
Tonnage & Value Uplift
Deviation report
| Period | Planned Zn | Actual Zn | Δ | Planned t | Actual t | Uplift |
|---|---|---|---|---|---|---|
| Day 1 | 7.12% | 7.03% | -0.09% | 32,000 | 31,567 | +$18,460 |
| Day 2 | 6.91% | 6.77% | -0.14% | 32,000 | 33,296 | +$18,968 |
| Day 3 | 6.97% | 6.86% | -0.11% | 32,000 | 33,274 | +$16,086 |
| Day 4 | 7.24% | 7.1% | -0.14% | 32,000 | 32,181 | +$19,558 |
| Day 5 | 7.47% | 7.39% | -0.08% | 32,000 | 31,435 | +$14,860 |
| Day 6 | 7.45% | 7.47% | +0.02% | 32,000 | 31,766 | +$14,334 |
| Day 7 | 7.2% | 7.03% | -0.17% | 32,000 | 31,836 | +$18,655 |
Change log / audit trail
| Timestamp | User | Action | Entity | Details |
|---|---|---|---|---|
| 2026-05-27 06:02 | J. Pretorius (Planner) | approved | BP-2026-0527-A | Day plan moved to executing |
| 2026-05-26 18:30 | J. Pretorius (Planner) | created scenario | Contract X Priority | Locked SP-A1 = 13,000t |
| 2026-05-26 17:30 | J. Pretorius (Planner) | created plan | BP-2026-0527-A | Objective: maximise revenue |
| 2026-05-26 19:10 | S. Mousavi (Planner) | created plan | BP-2026-0527-M | Objective: minimise penalties |
| 2026-05-27 04:18 | L. Naidoo (ROM Controller) | logged reclaim | SP-A1 | 1,200 t reclaimed to apron feeder |