Parent Company
Valterra Platinum
Operating Company
Unki Mines (Private) Limited
Materials Mined
PlatinumPalladiumRutheniumIridium
Assessment Status
Renewal Assessment in Process
Audit Information
Initial Audit: Results
Mine Site Assessment Public Summary Report – Unki, 18 Feb 2021
Initial Audit: Details
Audit firm
SCS Global Services (website)
To provide input or participate in audits contact:
SCS Global Services
2000 Powell St. #600 Emeryville, California, USA 94608
feedback@scsglobalservices.com
Audit-related feedback
- To file a complaint about the audit results (e.g., achievement level, scores, content of audit reports) contact SCS Global Services at feedback@scsglobalservices.com)
- To file a complaint about auditors or Certification Bodies (e.g., performance, competencies, potential conflicts of interest, etc.): file a complaint with IRMA.
Initial Audit: Timeline
| Completion Date | Status | Audit phase |
|---|---|---|
| Self-Assessment | ||
| 2019-09-30 | Third-Party Audit Announced | |
| 2019-11-22 | Third-Party Audit: Stage One (Desk Audit) | |
| 2019-12-06 | Third-Party Audit: Stage Two (On-Site Audit) | |
| Draft Audit Report | ||
| Mine Site and IRMA Review Draft Audit Report | ||
| Optional Corrective Action Period | ||
| Updated Draft Audit Report | ||
| Mine Site and IRMA Review Updated Draft Audit Report | ||
| 2021-02-18 | Audit Report Released |
- Complete
- Started
- Has not started
Surveillance: Results
Unki surveillance audit report packet
The pdf packet includes:
- IRMA press release for the joint release of the audits of the Anglo American Amandelbult, Mototolo and Unki platinum operations.
- Q&A about the IRMA audits of the Anglo American Amandelbult, Mototolo and Unki platinum operations.
- Background on the IRMA independent mine assessment process; and
- The Unki surveillance audit report.
Surveillance: Details
Audit firm
SCS Global Services (website)
To provide input or participate in audits contact:
SCS Global Services
2000 Powell St. #600 Emeryville, California, USA 94608
feedback@scsglobalservices.com
Audit-related feedback
- To file a complaint about the audit results (e.g., achievement level, scores, content of audit reports) contact SCS Global Services at feedback@scsglobalservices.com)
- To file a complaint about auditors or Certification Bodies (e.g., performance, competencies, potential conflicts of interest, etc.): file a complaint with IRMA.
Surveillance: Timeline
| Completion Date | Status | Audit phase |
|---|---|---|
| Announcement | ||
| Desktop review | ||
| Stakeholder engagement plan | ||
| Onsite audit | ||
| Report | ||
| 2024-02-16 | Public release |
- Complete
- Started
- Has not started
Renewal Audit 2025: Details
Assessment scope
The Unki mining complex is a wholly owned subsidiary of Valterra Platinum located in Zimbabwe’s Midlands region. The operation’s current operating plan extends to 2042, and it employs approximately 2,600 people and spans approximately 10,380 hectares within the site boundary. The scope of the independent renewal assessment includes:
- the underground mine
- grinding and flotation facilities
- ore/concentrate storage
- a smelter
- tailings storage including a valley dam
- other waste management and retention facilities.
It also includes support facilities:
- emergency and security facilities
- laboratories
- maintenance and mechanics facilities
- a power plant substation
- truck loading facilities
- arehouses and other storage facilities
- a water delivery pipeline
- water treatment facilities
- worker housing and health facilities
Of the 26 chapters in the IRMA Standard for Responsible Mining, the operator proposes that all chapters apply except the following:
- 2.2 Free, Prior and Informed Consent (FPIC),
- 2.4 Resettlement,
- 3.4 Mining in conflict affected or high risk areas,
- 3.6 Artisanal and small scale mining,
- 4.7 Cyanide Management, and
- 4.8 Mercury Management.
These chapters’ relevancy will be assessed by the independent audit firm during the audit’s desktop review stage.
Audit firm
Stakeholder input
To provide input or participate in audits contact:
SCS Global Services
2000 Powell St. #600 Emeryville, California, USA 94608
Audit-related feedback
- Audit-related feedbackTo file a complaint about the audit results (e.g., achievement level, scores, content of audit reports) contact SCS Global Services at feedback@scsglobalservices.com)
- To file a complaint about auditors or Certification Bodies (e.g., performance, competencies, potential conflicts of interest, etc.): file a complaint with IRMA.
Renewal Audit 2025: Timeline
| Completion Date | Status | Audit phase |
|---|---|---|
| Self-Assessment | ||
| 2025-10-10 | Third-Party Audit Announced | |
| Third-Party Audit: Stage One (Desk Audit) | ||
| 2025-12-13 | Third-Party Audit: Stage Two (On-Site Audit) | |
| 2026-03-06 | Draft Audit Report | |
| 2026-04-21 | Mine Site and IRMA Review Draft Audit Report | |
| Optional Corrective Action Period | ||
| 2026-05-06 | Updated Draft Audit Report | |
| 2026-05-19 | Mine Site and IRMA Review Updated Draft Audit Report | |
| Audit Report Released |
- Complete
- Started
- Has not started