The Council for Geoscience (CGS) has issued an open tender (CGS-2026-039F) for the appointment of a panel of contractors to undertake the implementation and construction of ingress control measures. This strategic three-year contract, operating on an “as and when” required basis, is designed to support the CGS mandate of producing world-class geoscience knowledge products while addressing critical infrastructure challenges in South Africa’s mining regions.
Scope of Works
The successful contractors will be responsible for providing specialized construction services aimed at preventing water ingress into old underground mine voids. Key deliverables include:
- Execution of ingress control construction projects primarily within the Eastern, Central, and Western Basins of the Witwatersrand Goldfields.
- Adherence to specific scopes of work and Bills of Quantities that will be issued with each individual Request for Quotation (RFQ) or tender as services are required.
- Compliance with all safety, environmental, and technical standards mandated by the Council for Geoscience and relevant mining regulations.
Non-Compulsory Briefing Session
While attendance is not mandatory, a virtual briefing session is highly recommended for prospective bidders to gain a comprehensive understanding of the project requirements and evaluation methodology. The session is scheduled for Thursday, 05 November 2026, at 11:00.
- Microsoft Teams Link: https://teams.microsoft.com/meet/3876917568071942?p=Af64R6Ev9JhBXxuaWW
- Meeting ID: 387 691 756 807 194 2
- Passcode: Gx66Hz9g
Mandatory Compliance Requirements
To be considered responsive, bidders must submit a stringent compliance package demonstrating technical and operational legitimacy. Essential documentation includes:
- Valid proof of Construction Industry Development Board (CIDB) registration with a minimum grading of 3CE or higher.
- A current SARS Tax Compliance Status PIN.
- A valid Central Supplier Database (CSD) registration report reflecting an active MAAA status.
- A valid B-BBEE certificate or sworn affidavit.
- Fully completed Standard Bidding Documents (SBD 1, SBD 4, and SBD 6.1).
Evaluation Criteria
Proposals will undergo a rigorous, multi-stage evaluation process. Bidders must first pass the mandatory evaluation criteria; failure to meet any minimum requirement will result in immediate disqualification. Qualifying bids will then be assessed on functional criteria, including company experience and technical methodology. Successful candidates will proceed to the final stage, which evaluates price competitiveness and specific transformation goals in accordance with the Preferential Procurement Policy Framework Act.
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Submission Guidelines and Documents
Completed bid documents must be sealed in an envelope clearly marked with the tender number (CGS-2026-039F) and the project description. Envelopes must be deposited in the official tender box at the reception of the Council for Geoscience, 280 Pretoria Street, Silverton, Pretoria, 0184. The strict closing time is 11:00 on Wednesday, 25 November 2026. Late, incomplete, or incorrectly formatted submissions will not be accepted. For technical or procedural enquiries, contact Frans Moshoeu at 012-841-1251 or fmoshoeu@geoscience.org.za.
Prospective bidders can access the complete tender documentation free of charge via the official National Treasury eTender portal:
- Tender Document: CGS-2026-039F Ingress Control Measures
- Figure 1: The Eastern, Central and Western Basins of the Witwatersrand Goldfields
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