Home / Tender glossary / What is a tender addendum?

What is a tender addendum?

An addendum is additional or amended information issued for a tender.

2 178matching tenders

618newly published in this scope

711closing soon in this scope

Source refresh may be delayed. Counts reflect previously synced records (last synced 14 Oct 2026). Verify dates with the original source before bidding.

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Current tenders (page 175 of 182)

BT1TRIMRFPER1 Carolina
For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 603309 (Carolina) for a period of ten (10) years
- Real estate activities
- Request for Proposal
Buyer
Transnet SOC Ltd
Province
Mpumalanga
Location
Mpumalanga, Carolina
Published
28 Aug 2026
Closes
30 Nov 2026 47 days left
Source
National Treasury eTender Portal

View details Original source
BT1TRIMRFPWR13 Old Lutzville station premises
For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 101885 (Old Lutzville Station Premises) for a period of ten (10) years
- Real estate activities
- Request for Proposal
Buyer
Transnet SOC Ltd
Province
Western Cape
Location
Western Cape, Old Lutzville station premises
Published
28 Aug 2026
Closes
30 Nov 2026 47 days left
Source
National Treasury eTender Portal

View details Original source
BT1TRIMRFPWR8 Upington
For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 201219 (Upington) for a period of ten (10) years
- Real estate activities
- Request for Proposal
Buyer
Transnet SOC Ltd
Province
Northern Cape
Location
Northern Cape, Upington
Published
28 Aug 2026
Closes
30 Nov 2026 47 days left
Source
National Treasury eTender Portal

View details Original source
BT1TRIMRFPCR19 Marikana B
For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 801682 (Marikana B) for a period of ten (10) years
- Real estate activities
- Request for Proposal
Buyer
Transnet SOC Ltd
Province
North West
Location
North West, Marikana B
Published
28 Aug 2026
Closes
30 Nov 2026 47 days left
Source
National Treasury eTender Portal

View details Original source
BT1TRIMRFPCR20 Marikana C
For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 801682 (Marikana C) for a period of ten (10) years
- Real estate activities
- Request for Proposal
Buyer
Transnet SOC Ltd
Province
North West
Location
North West, Marikana C
Published
28 Aug 2026
Closes
30 Nov 2026 47 days left
Source
National Treasury eTender Portal

View details Original source
BT1TRIMRFPER3 Panbult
For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 652377 (Panbult) for a period of ten (10) years
- Real estate activities
- Request for Proposal
Buyer
Transnet SOC Ltd
Province
Mpumalanga
Location
Mpumalanga, Panbult
Published
28 Aug 2026
Closes
30 Nov 2026 47 days left
Source
National Treasury eTender Portal

View details Original source
BT1TRIMRFPER4 Rietkuil
For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 765198 (Rietkuil) for a period of ten (10) years
- Real estate activities
- Request for Proposal
Buyer
Transnet SOC Ltd
Province
Mpumalanga
Location
Mpumalanga, Rietkuil
Published
28 Aug 2026
Closes
30 Nov 2026 47 days left
Source
National Treasury eTender Portal

View details Original source
BT1TRIMRFPWR14 Worcester
For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number (Worcester) 140333 for a period of ten (10) years
- Real estate activities
- Request for Proposal
Buyer
Transnet SOC Ltd
Province
Western Cape
Location
Western Cape, Worcester
Published
28 Aug 2026
Closes
30 Nov 2026 47 days left
Source
National Treasury eTender Portal

View details Original source
CTT26938
STATUTORY INSPECTION OF SUBSEA INFRASTRUCTURE USING REMOTE OPERATED VEHICLE FOR PetroSA, MOSSEL BAY
- Services: Professional
- Request for Bid(Open-Tender)
Buyer
PetroSA
Province
National
Location
Duinzicht Avenue, MOSSEL BAY, Mossel Bay
Published
27 Aug 2026
Closes
21 Oct 2026 7 days left
Source
National Treasury eTender Portal

View details Original source
E1808TCSAWGR
The supply and delivery of X 5 Kit: type: switch analyser SA10; application: circuit breaker tester; comprising electrical cables, the test cables, the transducers, the brackets for the transducers, the software; specification: kit 1 advanced d + 3xs120; Elcon; vendors are responsible for ensuring that they are performing against the correct drawing revision
- Manufacture of electrical equipment
- Request for Bid(Open-Tender)
Buyer
Eskom National Transmission Company of South Africa
Province
Western Cape
Location
60 Voortrekker Road, Bellville, Bellville, 7535
Published
26 Aug 2026
Closes
15 Oct 2026 1 day left
Source
National Treasury eTender Portal

View details Original source
RFB 3280/2026 - (ERP No 482010))
Request to Approve the Establishment of a New Five (5) Year Development, Support and Licence Maintenance Agreement for the BeyondTrust Remote Support System for SITA.The Closing Date Has Being Extended Till 20 October 2026
- Information service activities
- Request for Bid(Open-Tender)
Buyer
State Information Technology Agency
Province
Gauteng
Location
459 John Vorster Drive, Centurion, Pretoria, 0048
Published
26 Aug 2026
Closes
20 Oct 2026 6 days left
Source
National Treasury eTender Portal

View details Original source
E2021DXGPR
The Supply and Delivery of various Vehicles Accessories (including: canopies, single ridder ladders, front roll bars, toolboxes, tow bars and link stick holder) for a period of 36 months on “an as and when required” basis within Gauteng Cluster.
- Supplies: General
- Request for Bid(Open-Tender)
Buyer
ESKOM
Province
Gauteng
Location
Eskom Holdings SOC Limited, Eskom Academy of Learning, Dale Road, Midrand, 1685
Published
26 Aug 2026
Closes
19 Oct 2026 5 days left
Source
National Treasury eTender Portal

View details Original source

About What is a tender addendum?

Check how the buyer distributes amendments and whether acknowledgement is required.

Common mistake: A saved copy of the original pack may no longer be complete.

The publishing organisation's latest notice, documents and amendments govern the opportunity. Requirements vary; this information is a starting point, not legal advice or a guarantee of eligibility.

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Frequently asked questions

Which document should I rely on?

Always use the publishing organisation's current invitation and official amendments. This glossary explains terms; it does not change tender conditions.

Source and independence

Tender notices are published by National Treasury through the eTenders portal and by the individual buying institutions, which remain the authoritative sources. Tender Express is an independent search platform. It is not an official government service and is not affiliated with National Treasury. Always confirm details and download documents from the original source.

What is a tender addendum?

Current tenders (page 175 of 182)

For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 603309 (Carolina) for a period of ten (10) years

For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 101885 (Old Lutzville Station Premises) for a period of ten (10) years

For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 201219 (Upington) for a period of ten (10) years

For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 801682 (Marikana B) for a period of ten (10) years

For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 801682 (Marikana C) for a period of ten (10) years

For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 652377 (Panbult) for a period of ten (10) years

For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number 765198 (Rietkuil) for a period of ten (10) years

For Leasing of the Transnet Rail Infrastructure Manager Sidings/Facilities Siding Number (Worcester) 140333 for a period of ten (10) years

STATUTORY INSPECTION OF SUBSEA INFRASTRUCTURE USING REMOTE OPERATED VEHICLE FOR PetroSA, MOSSEL BAY

Request to Approve the Establishment of a New Five (5) Year Development, Support and Licence Maintenance Agreement for the BeyondTrust Remote Support System for SITA.The Closing Date Has Being Extended Till 20 October 2026

The Supply and Delivery of various Vehicles Accessories (including: canopies, single ridder ladders, front roll bars, toolboxes, tow bars and link stick holder) for a period of 36 months on “an as and when required” basis within Gauteng Cluster.

About What is a tender addendum?

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