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Additional Doc 8

Trans-Caledon Tunnel AuthorityRef: 047/2025/PMID/MAINTENANCE/RFB

Official source

Source domain: tcta.co.za

Collected on 28 June 2026

Always confirm details on the official source before acting.

What this means

This document is Tender Clarification No. 1 for a Request for Bid (RFB) by TCTA for the operation and maintenance of the Eastern Basin Acid Mine Drainage Treatment Plant for 60 months. It records TCTA’s responses to multiple bidder clarification questions, including acceptability of an insurance guarantee instead of a bank guarantee, clarification on chemical mark-up and advance payment, responsibility for insuring existing infrastructure, and rules for additional site visits and compulsory briefing attendance. It also clarifies joint venture (JV) briefing register signing requirements.

What this document offers

Read out of this document by Govermate's AI, in its own words. Each one quotes the line it came from — confirm on the official source before acting.

site visit opportunityClosed

Additional site visit for eligible prospective bidders

Eligible prospective bidders can attend an additional site visit at the Eastern Basin AMD Treatment Plant on 16 April 2026 from 09H00 to 14H00, but only bidders who attended the compulsory briefing session on 19 March 2026 are eligible; non-attendance leads to disqualification in line with Volume 1 clause 3.2.

Who it is for: prospective bidders who attended the compulsory briefing session on 19 March 2026
How to act on it: Attend the additional site visit at the stated time and location; eligibility depends on having attended the compulsory briefing session on 19 March 2026.
Closes: 16 April 2026

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Facts

Reference

047/2025/PMID/MAINTENANCE/RFB

Key Takeaways

Ref no. 047/2025/PMID/MAINTENANCE/RFB
Tender Clarification No. 1 dated 09 April 2026
Project: Operation and maintenance of the Eastern Basin Acid Mine Drainage Treatment Plant
Duration: 60 months
Insurance guarantee acceptable instead of bank guarantee (insurance bond by guarantor)
Additional site visit: 16 April 2026, 09H00–14H00 at Eastern Basin AMD Treatment Plant, Grootvlei Proprietary Mines, Van Niekerk Road, Springs, 1559
Only bidders who attended compulsory briefing on 19 March 2026 are eligible for additional briefing; non-attendance leads to disqualification per RFB Volume 1 clause 3.2
Advance payment is an interest-free loan covering direct chemical procurement costs for a three-month transition period
No operator’s mark-up on chemical and diesel supplies (BoQ section 9); refer to addendum no.2
Existing infrastructure owned by DWS; DWS responsible for insuring it; critical equipment (AMD pumps, VSDs) must be included under service level agreements appointed by successful bidder
JV briefing register: any JV member can sign on behalf of JV partners; register can be signed by any member (JV name vs lead partner acceptable per responses)
TCTA
Azwi Nelwamondo
Senior Manager: Supply Chain Management
Department of Water and Sanitation (DWS)
Eastern Basin AMD Treatment Plant
Grootvlei Proprietary Mines
Van Niekerk Road
Springs

Dates

Closing Date

16 April 2026