Skip to main content
← All contracting authorities

Contracting authority · South Africa

Trans-Caledon Tunnel Authority tenders

14 active public-sector tenders published by Trans-Caledon Tunnel Authority in South Africa. Every notice links back to its official source so bidders can verify eligibility and deadlines directly.

South Africasupplies

FOR THE OPERATION AND MAINTENANCE OF THE EASTERN BASIN ACID MINE DRAINAGE TREATMENT PLANT FOR A PERIOD OF 60 MONTHS

Trans-Caledon Tunnel Authority

Category: Water collection, treatment and supply Type: Request for Bid(Open-Tender) Address: Van Niekerk Road, Springs, Ekurhuleni, 1559 Compulsory briefing session. Bid validity: 84 days.

Estimated value
047/2025/PMID/MAINTENANCE/RFB
South Africasupplies

FOR THE OPERATION AND MAINTENANCE OF THE CENTRAL BASIN ACID MINE DRAINAGE TREATMENT PLANT FOR A PERIOD OF 60 MONTHS

Trans-Caledon Tunnel Authority

Category: Water collection, treatment and supply Type: Request for Bid(Limited-Tender Address: Brammer & Power Street, Germiston, Ekurhuleni, 1401 Compulsory briefing session. Bid validity: 84 days.

Estimated value
048/2025/PMID/MAINTENANCE/RFB
South Africaservices

Request for Information for the artificial intelligence(AI) enabled internal audit analytics solution to enhance the effectiveness and efficiency of internal audit activities.

Trans-Caledon Tunnel Authority

Category: Other service activities Type: Request for Information Address: Byls Bridge, Cnr Olievenhoutsbosch and Jean Avenue, CENTURION, CENTURION, 0157 Bid validity: 91 days.

Estimated value
112/2025/EWSS/AI/RFI
South Africasupplies

APPOINTMENT OF A SERVICE PROVIDER FOR THE SUPPLY, IMPLEMENTATION, AND SUPPORT FOR THE ENTERPRISE ARCHITECTURE TOOL FOR A PERIOD OF 60 MONTHS.

Trans-Caledon Tunnel Authority

Category: Architectural and engineering activities; technical testing and analysis Type: Request for Bid(Open-Tender) Address: Byls Bridge, Cnr Olievenhoutsbosch and Jean Avenue, CENTURION, CENTURION, 0157 Briefing session available. Bid validity: 120 days.

Estimated value
094/2025/EWSS/EATOOL/RFB
South Africaservices

APPOINTMENT OF A SERVICE PROVIDER TO CONDUCT AN INDEPENDENT ASSESSMENT OF TCTA’S ETHICS CULTURE, RISK AND MATURITY

Trans-Caledon Tunnel Authority

Category: Other professional, scientific and technical activities Type: Request for Quotation Address: Byls Bridge Office Park, 11 Byls Bridge Boulevard, Cnr Olievenhoutbosch Road and Jean Avenue, Highveld, Centurion, 0157 Bid validity: 30 days.

Estimated value
011/2026/CRO/ETHICS/RFQ
South Africaservices

APPOINTMENT OF A SERVICE PROVIDER TO PROVIDE AND IMPLEMENT A DATA MASKING SOLUTION FOR A PERIOD OF 36 MONTHS.

Trans-Caledon Tunnel Authority

Category: Computer programming, consultancy and related activities Type: Request for Bid(Open-Tender) Address: Byls Bridge, Cnr Olievenhoutsbosch and Jean Avenue, CENTURION, CENTURION, 0157 Briefing session available. Bid validity: 120 days.

Estimated value
002/2026/EWSS/MASKING/RFB
South Africasupplies

CONSULTING SERVICES FOR THE MZIMVUBU WATER PROJECT FOR THE PROVISION OF INTEGRATED WATER SERVICES MASTERPLAN AND IMPLEMENTATION READINESS STUDY

Trans-Caledon Tunnel Authority

Category: Services: Professional Type: Request for Bid(Open-Tender) Address: 1st Floor Building 9, Olievenhoutbosch Rd, Byls Bridge Office Park, Centurion, 0157 Compulsory briefing session. Bid validity: 84 days.

Estimated value
051/2025/PMID/STUDY/RFB
South Africasupplies

FOR THE OPERATION AND MAINTENANCE OF THE EASTERN BASIN ACID MINE DRAINAGE TREATMENT PLANT FOR A PERIOD OF 60 MONTHS

Trans-Caledon Tunnel Authority

Category: Water collection, treatment and supply Type: Request for Bid(Open-Tender) Address: Van Niekerk Road, Springs, Ekurhuleni, 1559 Compulsory briefing session. Bid validity: 84 days.

Estimated value
047/2025/PMID/MAINTENANCE/RFB
South Africasupplies

FOR THE OPERATION AND MAINTENANCE OF THE CENTRAL BASIN ACID MINE DRAINAGE TREATMENT PLANT FOR A PERIOD OF 60 MONTHS

Trans-Caledon Tunnel Authority

Category: Water collection, treatment and supply Type: Request for Bid(Limited-Tender Address: Brammer & Power Street, Germiston, Ekurhuleni, 1401 Compulsory briefing session. Bid validity: 84 days.

Estimated value
048/2025/PMID/MAINTENANCE/RFB
South Africaservices

Request for Information for the artificial intelligence(AI) enabled internal audit analytics solution to enhance the effectiveness and efficiency of internal audit activities.

Trans-Caledon Tunnel Authority

Category: Other service activities Type: Request for Information Address: Byls Bridge, Cnr Olievenhoutsbosch and Jean Avenue, CENTURION, CENTURION, 0157 Bid validity: 91 days.

Estimated value
112/2025/EWSS/AI/RFI
South Africasupplies

APPOINTMENT OF A SERVICE PROVIDER FOR THE SUPPLY, IMPLEMENTATION, AND SUPPORT FOR THE ENTERPRISE ARCHITECTURE TOOL FOR A PERIOD OF 60 MONTHS.

Trans-Caledon Tunnel Authority

Category: Architectural and engineering activities; technical testing and analysis Type: Request for Bid(Open-Tender) Address: Byls Bridge, Cnr Olievenhoutsbosch and Jean Avenue, CENTURION, CENTURION, 0157 Briefing session available. Bid validity: 120 days.

Estimated value
094/2025/EWSS/EATOOL/RFB
South Africaservices

APPOINTMENT OF A SERVICE PROVIDER TO CONDUCT AN INDEPENDENT ASSESSMENT OF TCTA’S ETHICS CULTURE, RISK AND MATURITY

Trans-Caledon Tunnel Authority

Category: Other professional, scientific and technical activities Type: Request for Quotation Address: Byls Bridge Office Park, 11 Byls Bridge Boulevard, Cnr Olievenhoutbosch Road and Jean Avenue, Highveld, Centurion, 0157 Bid validity: 30 days.

Estimated value
011/2026/CRO/ETHICS/RFQ
South Africaservices

APPOINTMENT OF A SERVICE PROVIDER TO PROVIDE AND IMPLEMENT A DATA MASKING SOLUTION FOR A PERIOD OF 36 MONTHS.

Trans-Caledon Tunnel Authority

Category: Computer programming, consultancy and related activities Type: Request for Bid(Open-Tender) Address: Byls Bridge, Cnr Olievenhoutsbosch and Jean Avenue, CENTURION, CENTURION, 0157 Briefing session available. Bid validity: 120 days.

Estimated value
002/2026/EWSS/MASKING/RFB
South Africasupplies

CONSULTING SERVICES FOR THE MZIMVUBU WATER PROJECT FOR THE PROVISION OF INTEGRATED WATER SERVICES MASTERPLAN AND IMPLEMENTATION READINESS STUDY

Trans-Caledon Tunnel Authority

Category: Services: Professional Type: Request for Bid(Open-Tender) Address: 1st Floor Building 9, Olievenhoutbosch Rd, Byls Bridge Office Park, Centurion, 0157 Compulsory briefing session. Bid validity: 84 days.

Estimated value
051/2025/PMID/STUDY/RFB
Trans-Caledon Tunnel Authority — public tenders