Cullinan C-Cut Phase 1 expansion programme, South Africa – update
Name of the Project
Cullinan C-Cut Phase 1 expansion programme.
Location
Gauteng, South Africa.
Project Owner/s
Petra Diamonds (74%), Kago Diamonds (14%) and the Itumeleng Petra Diamonds Employee Share Trust (12%).
Project Description
The Cullinan diamond mine is renowned as a source of large, high-quality gem diamonds, including Type II stones, and is the world’s most important source of very rare blue diamonds.
The C-Cut Phase 1 project plans to capitalise on the mine’s resource base.
Production from the C-Cut cave has been largely concentrated in the south-western area, which covers about 25% of the C-Cut footprint and has produced 75% of the ore to date.
The project’s development is focused on Cullinan’s C-Cut Phase 1 block cave and the CC1 East development – a new sublevel cave on the eastern side of the mine –of the North Crusher 2, and rehabilitation in the North West Corner of C-Cut Phase 1.
Cullinan’s indicated resource of 229-million tonnes, containing 135-million carats, could allow for a considerable extension to the mine life.
Capital Expenditure
Not stated.
Planned Start/End Date
Steady-state production from C-Cut Phase 1 and CC1 East was achieved in the 2020 financial year.
Latest Developments
Cullinan’s capital expenditure (capex) for the 2021 financial year has been weighted towards the first half, with $5.9-million spent predominantly on the finalisation of the North Crusher 2 chamber, including the tip construction, development of the early access to the CC1 East decline and underground workshop, and equipment for the XRL stream in the processing plant.
Key Contracts and Suppliers
MDM Engineering, the South African division of Amec Foster Wheeler (Cullinan plant contract) and Murray & Roberts (Cullinan shaft contract).
Contact Details for Project Information
Petra Diamonds, email investorrelations@petradiamonds.com.
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