3GB tenders
Open South African construction tenders that require a CIDB 3GB grading: Grade 3 General Building. Free to view, no signup. Share any tender or follow VUZA on TikTok for daily picks. See all Grade 3 tenders.
Maintenance of Roller Door Systems at SABS Facilities.
The South African Bureau of Standards (SABS) seeks a service provider for preventive, predictive, and corrective maintenance of roller door systems at Groenkloof, Secunda, and NETFA. The contract, lasting 36 months, includes regular servicing, maintaining an equipment register, and providing electronic maintenance reports. The provider must respond to breakdown call-outs within 3 hours. The tender closes on 01 September 2026.
Sanitation Programme Completion at Emvubukazi Junior Secondary School
The KZN Department of Public Works invites bids for completing a sanitation programme at Emvubukazi Junior Secondary School in Harry Gwala District. The project includes building four new ablution facilities, demolition of old structures, plumbing, electrical work, and site preparation. The contract duration is six months. Bidders must attend a compulsory site briefing on 13 August 2026. A CIDB grading of 3GB or higher is required. The closing date for submissions is 3 September 2026 at 11:00. The tender follows an 80/20 preference point system and requires a minimum functionality score of 60 points.
Supply and Install Fencing at Kabokweni Industrial Park
The Mpumalanga Economic Growth Agency (MEGA) invites bids for the supply and installation of invisible perimeter fencing and the rehabilitation of a security guardhouse at Kabokweni Industrial Park, Cluster 4. The project includes site preparation, excavation, fence installation, and building renovations such as electrical work and lighting. The work must be completed within four months in the City of Mbombela, Mpumalanga. Bidders must provide a detailed pricing schedule for the work.
Maintenance Services for Transnet Assets in Mpumalanga
Transnet seeks bids for preventative, corrective, and emergency maintenance services for its assets in Mpumalanga, including electrical, mechanical, and wet services, as well as building repairs. The contract covers Ermelo, Standerton, and Piet Retief for six months on an as-needed basis, requiring 24/7 emergency support and equipment management to maintain operational efficiency.
Construction of Control Room and Facilities at Eskom Site.
Eskom Holdings SOC Ltd invites tenders for constructing a control room, boardroom, and ablution facility at the Eskom Research Corona Cage Test Facility in Sunninghill. The project includes dismantling the existing office and building a new facility for control panels, workstations, and meeting areas. The contract follows the NEC3 ECC3 Option B, with a six-month duration. Key tasks include structural construction, electrical installations, and plumbing. A compulsory site meeting is on 02 September 2026. Bidders must provide experienced personnel and demonstrate relevant project experience. Completion is expected by 28 February 2027.
Two-Year Plumbing Services Contract - Cluster 4
The Eastern Cape Department of Public Works and Infrastructure seeks a contractor for a two-year contract to supply, service, repair, and maintain plumbing systems at locations including Mdantsane and East London. Tasks include roof and gutter repairs, drainage cleaning, ceiling replacements, and general building maintenance. The contract follows the NEC3 Term Service Contract model, requiring fixed rates and high-quality standards for materials.
Two-Year Contract for Plumbing Services in Cluster 4.
The Department of Public Works and Infrastructure invites bids for a two-year term contract for plumbing services, including supply, servicing, repairs, and maintenance at Cluster 4 facilities: NU 1 Mdantsane, Silver Crown East London, House on the Rock, and John X Merriman Youth Care Centre. The contract involves general building maintenance such as plumbing, roof repairs, painting, ceiling replacement, and drainage cleaning, following the NEC3 Term Service model. Located in the Eastern Cape, the contract duration is twenty-four months.
Two-year contract for building maintenance in Chris Hani District.
The Department of Public Works and Infrastructure invites bids for a two-year contract to provide building maintenance and repair services in the Chris Hani District. The work includes general building repairs, roofing, plumbing, electrical maintenance, and external site works across 17 offices. Key deliverables involve site establishment, structural repairs, and the issuance of electrical compliance certificates. The project is governed by the JBCC Principal Building Agreement and aims to maintain government facilities through a fixed-rate contract. The closing date for submissions is 14 September 2026.
Supply and construction of ABT/IBT houses in Stellenbosch.
Stellenbosch Municipality seeks a service provider for the supply, delivery, and construction of Alternative Building Technology houses for emergency housing. The project includes building units of various sizes, site preparation, foundation work, and connecting to municipal services. The contract requires using local unskilled labour and spans three years, ending in June 2029, with a target of 50 units.
Construction of Ablution Facility at Wolwekloof Resort.
CapeNature invites bids for constructing a new main picnic ablution facility at Wolwekloof Resort, involving demolition of the existing structure and new construction. Tasks include earthworks, concrete work, roofing, plumbing, electrical installations, and paving. A compulsory site briefing is on 1 September 2026. Contractors must manage resources and personnel effectively, adhering to safety and quality standards.
Flooring services for Cape Winelands Municipality.
The Cape Winelands District Municipality seeks contractors for flooring repair and maintenance across municipal buildings in Witzenberg, Drakenstein, Stellenbosch, Breede Valley, and Langeberg. The contract is valid until 30 June 2029, requiring standard callouts within 48 hours and emergency responses within 5 to 24 hours. Contractors must supply tools, transport, and skilled artisans, with all repairs guaranteed for a minimum of 6 months. The tender closes on 23 September 2026.
Repairs and Renovations to Clinics in Alfred Nzo District
The Department of Public Works and Infrastructure invites bids for repairs and renovations at Imizizi, Amadiba, and St Patricks Gateway Clinics, and the Oliver & Adelaide Tambo Psychiatric Unit in Alfred Nzo District. The project includes building repairs, electrical work, painting, and replacing safety glass and aluminum frames over eight months. A compulsory site briefing is on 10 September 2026. Bidders must meet a minimum functionality threshold of 70 points.
Refurbishment and Renovations at Nsezi Water Treatment Works.
uMngeni-uThukela Water invites tenders for the refurbishment and renovation of the Control Room and Plant Laboratory at Nsezi Water Treatment Works. The project includes converting an existing laboratory into a control room with partitioning for on-line testing. Required trades include electrical, masonry, HVAC, carpentry, painting, and drywall works. Completion is expected within six months. A compulsory clarification meeting is scheduled for 14 September 2026 at the Richards Bay Regional Offices. The tender closes on 08 October 2026.