Sites we've been handed, and what happened next

Five engagements, stated with the numbers the client signed off on. Some are ongoing — ask us and we'll point you at a reference call.

01 · 2021 — present

A pit on borrowed time, back on plan in one quarter.

We inherited two months of deferred stripping and a bench that would not hold grade. Re-sequenced the plan, brought in our own drills and ran 1.9 Mt of ore at R48 per tonne below the previous contract rate.

Ore mined: 6.4 Mt
Cost / tonne: −18%
Grade variance: ±2.1%

Site

Kalahorn Manganese Operation

Region

Postmasburg, Northern Cape

Scope

Contract open-pit mining, drill & blast, haulage

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02 · 2019 — 2022

1 480 metres of decline, sunk without a single lost-time injury.

A 5.2 m × 4.8 m decline through contact rock, driven on two shifts with in-house survey and a ventilation plan rewritten three times as the face advanced.

Decline sunk: 1 480 m
Advance rate: 172 m/mo
LTIFR: 0.00

Site

Boskop PGM Decline

Region

Rustenburg, North West

Scope

Decline sinking, ventilation, backfill

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03 · 2020 — 2021

Recovery lifted 9.3 points without a new mill.

Rebuilt the classification and flotation circuits, replaced two cyclone clusters and rewrote the grind curve. Nine weeks of work, commissioned during a planned shutdown with no overrun.

Recovery: +9.3 pts
Shutdown: 9 weeks
Water use: −14%

Site

Witrivier Gold Plant

Region

West Rand, Gauteng

Scope

Circuit rebuild, metallurgical support

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04 · 2023 — present

Availability contract that actually holds the number.

Fixed-availability contract over crushing and screening, with a component rebuild workshop on site and condition monitoring on every critical bearing.

Availability: 96.4%
Unplanned stops: −61%
Response: < 90 min

Site

Sable Ridge Chrome Plant

Region

Brits, North West

Scope

Plant maintenance, availability contract

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05 · 2018 — 2024

A closure obligation retired six years early.

Reconstructed 412 hectares of landform, harvested and replaced topsoil across six discard dumps, and got the bond released after four seasons of monitored establishment.

Rehabilitated: 412 ha
Establishment: 94%
Bond: Released

Site

Verloren Vlei Closure

Region

Free State

Scope

Landform reconstruction, rehabilitation

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