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.
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.
Refurbishment of Malelane Water Treatment Works.
The Ehlanzeni District Municipality invites tenders for the refurbishment of the Malelane Water Treatment Works in the Nkomazi Local Municipality. The project involves mechanical and electrical repairs, including filter system replacements, valve maintenance, clarifier refurbishment, and structural repairs to the facility. Bidders must attend a compulsory site briefing on 07 August 2026 at 10h00 at the Malelane Water Works. The project has a 20-week completion timeline. To qualify, bidders must achieve a minimum functionality score of 70 points. The tender follows an 80/20 preference point system. All submissions must be finalized by 12h00 on 17 August 2026. The offer must remain valid for 90 days from the closing date.
B-Plant Boiler No.1 Dome Replacement RFP
Foskor (Pty) Ltd seeks proposals for the replacement of the B-Plant Boiler No.1 dome at 21 John Ross Parkway, Alton, Richards Bay. This once-off contract requires completion in line with Foskor’s health, safety, and environmental standards. A compulsory site briefing is on 28 July 2026. Bidders must show technical, financial, and managerial capability, and maintain insurance throughout the project.
Repair of stainless steel water pipeline at Durban Port.
Transnet National Ports Authority seeks tenders for repairing a stainless steel potable water pipeline from Berth 01 to Berth 10 at Island View in the Port of Durban. Tasks include removing clamps, TIG welding, sleeve fabrication, LPI testing, and installing valves and bellows, with work at heights up to 6.5 meters in a high-security area. The project duration is six months, with a compulsory briefing on 06 August 2026. Bidders must follow strict safety protocols.
Maintenance of luggage trolleys at OR Tambo Airport.
Airports Company South Africa (ACSA) seeks tenders for maintaining 4,500 luggage trolleys and 16 trolley movers at O.R. Tambo International Airport over 12 months. The contract includes preventative and corrective maintenance, adhering to OEM standards and OHS regulations. Contractors must manage spares, provide a maintenance program, and ensure key personnel meet trade and experience requirements. A minimum of 30% subcontracting to targeted enterprises is required. Rates must remain fixed for the contract duration. Submissions close on 19 August 2026 at 16:00.
Maintenance of luggage trolleys at O.R. Tambo Airport.
The Airports Company South Africa (ACSA) seeks tenders for the maintenance of 4,500 luggage trolleys and 16 trolley movers at O.R. Tambo International Airport over five years. The contract includes preventative and corrective maintenance under the NEC3 Term Service Contract framework, ensuring 95% system availability and prompt emergency repairs. Deliverables include monthly reports, maintenance schedules, and spares management, with a dedicated on-site team required. Pricing is fixed for the contract duration, with specific performance benchmarks.
Replacement of Chilled-Water Air-Handling Units at Joburg Theatre.
The Joburg Theatre requires a contractor to replace three chilled-water air-handling units, including site verification, design, supply, removal, installation, testing, and commissioning. The project involves ductwork, pipework, and electrical integration, with a 12-month defects liability period and 24 months of preventive maintenance. Work must not disrupt theatre performances. Bidders need a local office in Johannesburg and experience with five similar HVAC projects in the last five years.