Medium Civil Engineering Contractor Tenders in Gauteng

Johannesburg Water invites bids for the construction of a guardhouse at the Northern Works Liquor Treatment Plant. This Request for Quotation is aimed at contractors capable of delivering a complete building with associated site works, electrical, and plumbing installations. The tender is subject to the Preferential Procurement Policy Framework Act and will be evaluated on an 80/20 scoring system.

This tender is for the infrastructure renewal, refurbishment, and repair of the Van Wyksrust Sewer Pump Station at the Olifantsvlei Wastewater Treatment Works. It is issued by Johannesburg Water and is intended for contractors with a CIDB 9CE grading.

The City of Johannesburg seeks a panel of contractors for road resurfacing across all regions on an as-needed basis over three years. Applicants must have a CIDB grading of 7SB or higher. Compulsory briefing session required.

The Government Communication and Information System (GCIS) invites qualified service providers to submit quotations for a 12-month maintenance contract covering Vertiv Liebert DM series precision air conditioners installed at Tshedimosetso House in Pretoria. The scope includes quarterly preventative maintenance, corrective and breakdown repairs, and ad-hoc work with a mark-up on parts. Bidders must hold current Vertiv Liebert DM accreditation and comply with specific procurement requirements including CSD registration, tax compliance, and preference point documentation.

Johannesburg Water invites qualified electrical contractors to locate, repair, and test 11kV underground cables at the Driefontein Wastewater Treatment Works. Bidders must attend a compulsory site briefing, hold a minimum CIDB 1 EP grading, valid electrical contractor registration, and demonstrate relevant experience and equipment ownership. Quotations will be evaluated on an 80/20 price/preference points system and must be submitted via the e‑tender portal by 29 July 2026.

This is a three-year, as-and-when-required contract for the maintenance and refurbishment of Eskom's low-voltage (LV) distribution network across all sites in the Gauteng cluster. It is aimed at contractors capable of providing reactive and planned services under the NEC3 Term Service Contract framework. The contract is structured as a priced contract with a price list, with work issued via Task Orders.

Airports Company South Africa (ACSA) invites bids for the surface rehabilitation and level correction of Quebec Taxiway and the resurfacing and base repairs of Runway 21R threshold at OR Tambo International Airport. The contract follows the NEC3 Term Service Contract (Option A) with a three‑month service period starting upon contract signing. Bidders must submit a priced offer, required bonds and guarantees, insurance, and comply with strict safety, ethics and confidentiality provisions.

Request for Proposal (RFP) for a 25-year concession to design, finance, operate, maintain, refurbish, and/or construct a multi-purpose terminal (B-D berths) at the Port of Cape Town. Suitable for terminal operators with relevant experience in port infrastructure. Concession period is fixed at 25 years.

The South African Weather Service invites bids for the supply, delivery, and installation of aluminium doors at the Irene Weather Office in Gauteng. This Request for Quotation (RFQ 3822b/26) is open to compliant suppliers with a focus on B-BBEE and tax compliance, and requires electronic submission by 21 July 2026.

Johannesburg Water invites quotations for the supply, delivery, installation, and commissioning of low-voltage cabling, cable ladders, and control panel replacements for screens and compactors at the Northern Wastewater Treatment Works Head of Works. The contract is open to registered electrical contractors with a minimum CIDB grading of 1 EP and valid electrical installation registration, and requires attendance at a compulsory site briefing.

This tender is for the design, supply, installation, testing, and commissioning of a 3kV DC traction substation at Welgedag for Transnet Rail Infrastructure Manager. It is aimed at qualified contractors and suppliers with specific experience in DC traction transformer projects.

This tender is for the surface rehabilitation of the Lima Taxilane at OR Tambo International Airport, issued by the Airports Company South Africa (ACSA). It is a civil services contract using the NEC3 Term Service Contract framework, aimed at contractors capable of airport pavement works.

This tender is for the supply and delivery of Overhead Track Equipment (OHTE) components to Transnet Rail Infrastructure Manager's Central Region on an as-and-when-required basis for 18 months. The components are used for the maintenance, refurbishment, and de-coppering of electrical rail infrastructure. It is aimed at suppliers capable of providing a wide range of specialized components across multiple categories.

This tender invites bids for the supply, installation, and commissioning of 44kV XLPE-insulated cable systems to connect new 10MVA transformers at Acacia Substation to Windermere 1 & 2 customer supply ends. The project involves decommissioning the existing 33kV busbar and installing approximately 50m of single-core cable per circuit, with all associated accessories, trenching, and testing.