3ME tenders
Open South African construction tenders that require a CIDB 3ME grading: Grade 3 Mechanical Engineering. Free to view, no signup. Share any tender or follow VUZA on TikTok for daily picks. See all Grade 3 tenders.
Fleet Air Conditioner Maintenance for Port of Durban.
Transnet Port Terminals requires maintenance and repair services for fleet air conditioning units at the Port of Durban's Break Bulk Container terminals. The contract spans thirty-six months, including quarterly maintenance, monthly inspections, and emergency repairs with a two-hour response time. The service provider must supply all necessary labour, tools, and equipment, with a team of two qualified technicians and two assistants. All work must adhere to strict safety and quality standards.
Supply and Installation of Air Systems at National Museum
The National Museum in Bloemfontein seeks mechanical contractors for the supply, installation, and commissioning of dust extraction and fresh air supply systems in its Palaeontology lab. The project includes installing extraction hoods, ducting, filters, and ventilation units, with performance testing and staff training. A compulsory virtual briefing session is on 07 July 2026. The contract uses the 80/20 preference point system.
Two-Year HVAC Contract for Amathole and Buffalo City.
The Eastern Cape Department of Public Works & Infrastructure seeks bids for a two-year contract to supply, service, and maintain HVAC mechanical equipment across 97 units in Amathole and Buffalo City Metro. Tasks include routine maintenance, refrigerant management, emergency repairs, and installation of occupancy sensors. Monthly inspection reports and spare parts supply are required. Bidders must show expertise in refrigeration and air-conditioning systems. The contract closes on 20 July 2026.
Two-year contract for HVAC maintenance in Eastern Cape.
The Eastern Cape Department of Public Works & Infrastructure seeks bids for a two-year contract to maintain, service, and repair HVAC systems across five sites in the Amathole District and Buffalo City Metro. Tasks include cleaning units, checking for gas leaks, replacing filters, and performing emergency repairs within two hours. Monthly maintenance reports and inspection sheets are required. The project ensures proper operation of air-conditioning equipment at social development and government facilities. The contract lasts 24 months, closing on 20 July 2026.
Two-Year Contract for HVAC Maintenance in Eastern Cape.
The Eastern Cape Department of Public Works & Infrastructure seeks bids for a two-year contract for maintenance, repairs, and servicing of HVAC mechanical equipment in Amathole District and Buffalo City Metro. The contract includes routine maintenance, filter replacements, refrigerant re-gassing, and ad-hoc repairs with a two-hour emergency response. Monthly inspection reports and a three-month defect-free guarantee on repairs are required. The project is governed by an NEC3 Term Service Contract and evaluated using an 80/20 price and preference point system.
Two-year contract for HVAC services in Eastern Cape.
The Eastern Cape Department of Public Works & Infrastructure seeks bids for a two-year contract to supply, service, and repair HVAC mechanical equipment across 75 units in Amathole and Buffalo City Metro. Tasks include maintenance, cleaning, gas leak repairs, and installing occupancy sensors. Monthly reports and a two-hour emergency response are required. The contract lasts 24 months, with submissions closing on 20 July 2026 at 11:00 am.
Two-year contract for HVAC services in Eastern Cape.
The Eastern Cape Department of Public Works & Infrastructure seeks tenders for a two-year contract to supply, service, repair, and maintain HVAC mechanical equipment across 97 units in the Amathole District and Buffalo City Metro. Tasks include routine maintenance, filter replacement, refrigerant checks, and emergency repairs with a two-hour response time. The contractor must provide monthly reports and inspection documentation, with qualified personnel on standby for repairs as needed. The project starts in 2026.
Two-Year Contract for HVAC Services in Eastern Cape.
The Eastern Cape Department of Public Works & Infrastructure seeks bids for a two-year contract to supply, service, repair, and maintain HVAC mechanical equipment in the Amathole District and Buffalo City Metro. Sites include Stutterheim Social Development offices, Kieskammahoek Social Development, and Bhisho Youth Care Centre. Deliverables include routine maintenance, emergency repairs with a two-hour response time, spare parts supply, and monthly inspection reports. The contract lasts 24 months, with submissions closing on 20 July 2026 at 11:00 am.
Siting, Drilling, and Equipping of Solar Boreholes in Bushbuckridge
The Ehlanzeni District Municipality invites tenders for the siting, drilling, and equipping of two new solar-powered boreholes in the Bushbuckridge Local Municipality. The project includes groundwater investigation, yield analysis, water quality testing, drilling, and installation of solar pumps, panels, inverters, and storage tanks. The contractor must also construct secure manhole chambers, filtration systems, and communal standpipes, followed by commissioning and staff training. A compulsory briefing session is on 13 July 2026, and submissions are due by 20 July 2026.
Siting, Drilling, and Equipping of Solar Boreholes.
The Ehlanzeni District Municipality invites tenders for the siting, drilling, equipping, and commissioning of two new solar-powered boreholes in the City of Mbombela. The project includes groundwater investigation, installation of solar pumps, solar panels, filtration systems, and construction of water storage infrastructure. A compulsory briefing session is scheduled for 13 July 2026. Bidders must achieve a minimum of 70 points for functionality to qualify. The tender offer must remain valid for 90 days from the closing date of 20 July 2026.
Boiler Operations and Repairs at Fort Glamorgan Prison.
The Department of Public Works and Infrastructure seeks bids for managing boiler operations and repairs at Fort Glamorgan Prison for five months. The project involves daily operations across two shifts and requires skilled labor for maintenance and breakdowns. Bidders must supply materials for repairs within a provisional budget. The work is located in Gqeberha, and the tender closes on 22 July 2026.
Boiler Operations and Repairs at Mdantsane Prison.
The Department of Public Works and Infrastructure seeks bids for boiler operations and repairs at Mdantsane Prison, Eastern Cape, over five months. The project includes two daily shifts, mechanical and electrical maintenance, and supply of repair materials. Required staff includes a Mechanical Fitter or Millwright, an Electrician with a wireman’s license, and trained Boiler Operators. A health and safety plan, project programme, and cash flow forecast must be submitted within 14 days of contract award. This is a rates-based contract.
Kirkwood Prison Boiler Operations and Repairs.
The Department of Public Works and Infrastructure invites bids for boiler operations and repairs at Kirkwood Prison for a period of five months. The project involves operating boilers on two daily shifts, providing labour for breakdowns, and supplying repair materials. The contract uses a rates-based pricing structure with a provisional allowance for materials. The tender closes on 22 July 2026 at 11:00.
St Albans Prison Boiler Operations and Repairs.
The Department of Public Works & Infrastructure invites bids for boiler operations and repairs at St Albans Prison in Gqeberha. The project duration is five months and includes daily boiler operations, maintenance, and repair services. The scope requires providing skilled labor, including fitters, millwrights, electricians, and boiler operators, as well as supplying necessary repair materials. The contract is based on rates, and the department does not guarantee specific purchase volumes. The closing date for this tender is 22 July 2026 at 11:00.
Maintenance and Repairs of HVAC Systems at Rietvlei.
Rand Water requires a service provider for 12 months to maintain and repair HVAC systems at Rietvlei and Analytical Services. The contractor must provide a full-time technician for daily inspections, quarterly and monthly maintenance, and a 24/7 emergency call-out service. Repairs must be completed within 24 hours to ensure systems remain operational.
Mechanical and Electrical Contractor for Water Works Upgrade
The Municipal Infrastructure Support Agent (MISA) seeks a contractor for the mechanical and electrical refurbishment of the Umthamvuna Water Treatment Works and Pump Station in Ugu District Municipality, KwaZulu-Natal. The project includes overhauling pumps, replacing motor control centres, upgrading switchgear, and refurbishing motors and transformers. It also involves installing sensors, cabling, and commissioning systems. The project duration is nine months, with a compulsory site visit on 17 July 2026. The tender closes on 29 July 2026, and bidders must provide as-built drawings and staff training upon completion.
Rigging and VHF Antenna Maintenance Services.
ATNS seeks bids for rigging services and VHF antenna mast maintenance, repairs, and support at King Phalo, Mthatha, and Bhisho Airports, including remote sites in the Eastern Cape. The five-year contract includes inspections, lighting repairs, anti-corrosion treatment, and antenna installation. Bidders must supply labor, materials, and transport, with a 12-month warranty on replaced items. Compliance with safety and environmental regulations is required. Submissions close on 31 July 2026.
RFP for HVAC Maintenance in Western Cape.
PRASA seeks proposals for maintenance, servicing, and repair of air conditioning, refrigeration, and HVAC systems in the Western Cape Region for 24 months. The contract includes routine maintenance, emergency repairs, and parts supply across PRASA facilities. A compulsory briefing session is on 17 July 2026 at Cape Town Station. Bids are due by 07 August 2026. Bidders must offer 24/7 emergency support with a 2-hour response time.
Two-year contract for HVAC maintenance in Eastern Cape.
The Eastern Cape Department of Public Works & Infrastructure seeks bids for a two-year contract to maintain and repair HVAC equipment in Amathole District and Buffalo City Metro. Tasks include servicing split and cassette units, re-gassing, filter replacement, and installing occupancy sensors. Qualified personnel must be available for emergency repairs. The project ensures operational and energy-efficient air-conditioning systems in government facilities, with a closing date of 11 August 2026.
HVAC Equipment Contract for Amathole and Buffalo City.
The Eastern Cape Department of Public Works & Infrastructure seeks a contractor for a two-year contract to supply, service, repair, and maintain HVAC mechanical equipment at Social Development and Public Works sites in Amathole District and Buffalo City Metro. Responsibilities include routine maintenance, filter replacement, refrigerant checks, emergency repairs with a two-hour response time, monthly reports, and supplying spare parts. The contract lasts 24 months from the appointment date.
Two-Year HVAC Maintenance Contract for Eastern Cape.
The Eastern Cape Department of Public Works & Infrastructure seeks bids for a two-year contract for maintenance, repairs, and servicing of HVAC equipment at Social Development facilities in Buffalo City and Amathole District. Responsibilities include routine maintenance, emergency breakdown response within two hours, installation of occupancy sensors, and regular inspection reports. Qualified technical personnel are required for efficient system operation.
Two-Year HVAC Contract for Amathole and Buffalo City.
The Department of Public Works & Infrastructure seeks bids for a two-year contract to supply, service, and repair HVAC mechanical equipment across 77 units in the Amathole District and Buffalo City Metro. Responsibilities include routine maintenance, filter replacements, refrigerant testing, emergency repairs with a two-hour response time, installation of occupation sensors, and provision of spare parts. All repairs must have a three-month guarantee. The contract follows the NEC3 Term Service model and requires skills transfer to ensure operational efficiency of air conditioning systems at social development facilities.