Mechanical Engineering tenders (CIDB ME)
Open South African Mechanical Engineering construction tenders requiring a CIDB ME registration, across all grades. Free to view, no signup. Share any tender or follow VUZA on TikTok for daily picks.
Two-Year Contract for Mechanical Equipment Maintenance.
The Eastern Cape Department of Public Works and Infrastructure seeks a contractor for a two-year term contract to service, repair, and maintain mechanical equipment for the Department of Social Development in the Alfred Nzo District. The project includes routine maintenance and emergency repairs for HVAC systems, generators, and a passenger lift, adhering to NEC3 Term Service Contract standards. The contract duration is 24 months, requiring regular inspections and ad-hoc repairs to ensure operational equipment.
Ad-hoc Repair Works at Water and Wastewater Treatment Works.
Theewaterskloof Municipality seeks tenders for mechanical, electrical, and piping repair services at Water and Wastewater Treatment Works in Riviersonderend. The contract is valid from the appointment date until 30 June 2027. Key tasks include pump and motor repairs, gas chlorine dosing system maintenance, and pipeline repairs, including HDPE welding. Contractors must provide skilled labor, specialized tools, and transport. Emergency repairs require a 4-hour on-site response, while standard repairs require a 24-hour response. A compulsory site meeting is scheduled for 07 October 2026.
Refurbishment of Safety Valves at Duvha Power Station.
Eskom Holdings SOC Limited seeks tenders for refurbishing safety and pressure relief valves at Duvha Power Station (Units 1, 2, 4, 5, and 6) in Mpumalanga. The work includes removal, inspection, repair, testing, and re-installation of various valves during planned outages over a five-year contract. Deliverables include data packs with inspection reports and test certificates. Qualified personnel must adhere to strict safety and welding standards. The tender requires a mandatory clarification meeting and compliance with NEC3 contract conditions.
Four-Year Contract for Plant and Machinery Services
The Department of Water and Sanitation seeks bids for a four-year contract for mechanical and electrical maintenance, repair, and upgrade services in Northern Operations, including Limpopo, Gauteng, Mpumalanga, and North West. Tasks include maintaining pumps, motors, valves, dam control gates, and pipelines. Bidders must attend a compulsory briefing session at designated dam sites. The contract requires expertise in mechanical, electrical, and civil engineering, ensuring infrastructure reliability over the four-year term.
Four-year contract for mechanical services in KwaZulu-Natal.
The Department of Water and Sanitation seeks bids for a four-year contract for mechanical and electrical services in KwaZulu-Natal. The work involves installation, maintenance, repair, and refurbishment of major plant and machinery, including pumps, valves, motors, switchgear, and dam control gates. The project covers infrastructure like pipelines, reservoirs, and pump stations, requiring specialized technical supervision and maintenance services across Eastern Operations. A compulsory site briefing is on 18 September 2026 at Spring Grove Dam.
Four-Year Contract for Mechanical Plant Services
The Department of Water and Sanitation invites bids for a four-year contract for installation, maintenance, repair, refurbishment, and upgrade of major mechanical plant and machinery in Northern Operations across Limpopo, Gauteng, Mpumalanga, and North West. The project includes maintenance of pumps, valves, dam control gates, cranes, and electrical infrastructure. Bidders must provide emergency services and efficiency testing, with workshop facilities within 500km of area offices. Deadline for submissions is 23 October 2026.
Four-Year Contract for Plant and Machinery Services in KZN
The Department of Water and Sanitation seeks a contractor for a four-year term to handle installation, maintenance, repair, and upgrading of mechanical plant and machinery at Midmar and Klipfontein offices in KwaZulu-Natal. Bidders must have a CIDB grading of 8ME or higher and demonstrate capacity to manage these sites effectively without sharing resources between locations if bidding for both.
Four-year contract for mechanical plant services.
The Department of Water and Sanitation invites bids for a four-year contract to install, maintain, repair, and upgrade mechanical plant and machinery in Northern Operations, covering Limpopo, Gauteng, Mpumalanga, and North West provinces. The project is divided into three operational areas: Tzaneen, Hartbeespoort, and Groblersdal, with one successful bidder per area. Key deliverables include ongoing mechanical maintenance and potential electrical upgrades. The closing date for submissions is 15 October 2026.
Four-year contract for mechanical plant services.
The Department of Water and Sanitation seeks a contractor for a four-year term contract involving installation, maintenance, repair, and upgrading of major mechanical plant and machinery in the Eastern Cape and Western Cape. The project aims to ensure the operational efficiency of water infrastructure machinery. Bidders must have a CIDB grading of 8ME or higher and attend a compulsory briefing session at either the Kouga Dam or the Berg River Dam.
Four-Year Contract for Plant and Machinery Services in KZN
The Department of Water and Sanitation invites bids for a four-year contract for the installation, maintenance, repair, refurbishment, and upgrade of major plant and machinery in KwaZulu-Natal, specifically at the Midmar and Klipfontein Area Offices. The scope includes mechanical, electrical, and civil infrastructure work, such as pumps, motors, switchgear, dam control gates, and pipelines. This is an 'as and when required' contract, requiring contractors to be available 24/7 for emergency repairs and maintain workshop facilities within 500km of the area offices. The tender uses a 90/10 preference point system.
Supply and installation of gates at Upington Airport.
Airports Company South Africa (ACSA) invites tenders for the supply, installation, testing, and commissioning of new mechanical gates and electric motors at Upington International Airport. The project includes installing industrial sliding gates and heavy-duty motors with battery backups at various airport locations. Compliance with aviation security standards and the Occupational Health and Safety Act is required. The project duration is six months, followed by a 12-month defects liability period. A compulsory site inspection is on 22 September 2026.
Servicing and Maintenance of Backup Generator
The Matatiele Local Municipality seeks a service provider for electrical works requiring a CIDB Grade of ME2 or higher. The project involves technical tasks needing specialized personnel and professional certification. Bids will be evaluated based on a functionality threshold of 90 points, followed by the 80/20 preference point system. Key deliverables include demonstrating company experience, providing qualified personnel, and ensuring all safety and professional standards are met. The project is located within the Matatiele Local Municipality jurisdiction.
Refurbishment of Moses Mabhida Stadium cooling towers.
The eThekwini Municipality seeks tenders for refurbishing 11 cooling towers at Moses Mabhida Stadium over 36 months. Tasks include condition assessments, cleaning, and repairing mechanical, electrical, and structural components. Key tasks involve servicing fan assemblies, motors, water distribution systems, and ensuring corrosion protection, along with hygiene and Legionella control. This fixed-price contract requires attendance at a compulsory meeting on 21 September 2026 in Durban.
Ammonia Refrigeration Plant Maintenance Contract.
The eThekwini Municipality invites bids for a 36-month contract for maintenance, servicing, and repairs of the Ammonia Refrigeration Plant at the Bulk Sale Market in Durban. The work includes routine maintenance and emergency repairs for infrastructure like screw compressors and cold rooms, ensuring compliance with SANS 10147 and SANS 347 standards. Deliverables include service reports and pressure testing certification. Bidders need a CIDB grading of 7 ME or higher and experience in ammonia systems. A clarification meeting is on 21 September 2026, and the tender closes on 16 October 2026.
Refurbishment and Upgrade of Margate Wastewater Infrastructure.
The Ugu District Municipality invites tenders for Phase 2 of the refurbishment and upgrade of storm-damaged sewer infrastructure and the Margate Wastewater Treatment Works. The project includes dredging tanks, upgrading aeration and chlorine dosing systems, installing new sewer pipelines, and improving site security. Work will take place in the Margate area over a maximum period of 24 months. Bidders must attend a compulsory clarification meeting on 17 September 2026. The project requires high-level civil and mechanical engineering expertise to ensure effluent compliance and restore service to unserved households.
HVAC Maintenance Services for East Grid, KwaZulu Natal.
The National Transmission Company South Africa (NTCSA) seeks tenders for HVAC maintenance services for Transmission Real Estate in the East Grid, KwaZulu Natal. The contract is for 60 months on an as-needed basis, covering diagnostics, repairs, and maintenance of HVAC systems across 21 substations, 1 regional office, 4 depots, and 2 telecoms offices. The tender is divided into Pinetown/Mpangeni and Newcastle/Ladysmith areas, requiring a minimum functionality threshold of 70% for technical evaluation and adherence to local content requirements for steel and cable.
Maintenance Services for Ducts at Tutuka Power Station.
Eskom seeks tenders for a 5-year maintenance contract for air and flue gas ducts and metallic expansion joints at Tutuka Power Station. The work includes welding, patching, damper blade fabrication, and expansion joint maintenance to ensure boiler efficiency and prevent failures. Bidders must provide qualified artisans, supervisors, and safety officers, adhering to Eskom standards. A minimum technical score of 70% is required. The tender closes on 19 October 2026.
Service and Repair of Air Conditioners at DOJ-Xhariep.
The Department of Public Works and Infrastructure invites bids for the service and repair of air conditioning units at various DOJ-Xhariep District 2 buildings in Bloemfontein. The project covers five specific building locations identified by unique asset IDs. The work involves routine maintenance and necessary repairs to ensure the systems function correctly. The tender closing date is 19 October 2026 at 11:00. No site inspection is required for this project.
Servicing of Mechanical Components at Grabouw Sewerage Works
The Theewaterskloof Municipality invites tenders for the mechanical and electrical refurbishment of clarifier components at the Grabouw Sewerage Works. The project involves replacing center slewing bearings, perimeter wheel bearings, and installing new IP65-rated collector ring units across five clarifier units. All work must be completed within three weeks of the official order. A compulsory site meeting is scheduled for 15 October 2026 at the Grabouw Town Office. Bidders must provide firm pricing inclusive of VAT, valid for 60 days. The project requires specialized mechanical expertise in wastewater treatment infrastructure.
Supply and installation of a mechanical front rake screen.
The Theewaterskloof Municipality invites tenders for the supply and installation of a mechanical front rake screen at the Grabouw Wastewater Treatment Works. The project includes providing a 304 stainless steel screen, motor control kiosk, and electrical components, followed by installation and performance testing. Completion is required within one month of the official order, with a 12-month defects liability period. A compulsory site meeting is scheduled for 14 October 2026 at the Grabouw Town Office.
Decommission and replace walk-in freezer at SABS.
The South African Bureau of Standards (SABS) seeks tenders for decommissioning and removing an existing walk-in freezer at their Pretoria head office. The project involves supplying, installing, and commissioning a new walk-in freezer system capable of reaching temperatures of -18 degrees or lower. Deliverables include electrical and refrigeration certification, staff training, maintenance manuals, and a one-year preventative maintenance plan. The work must adhere to environmental and electrical safety standards. The tender closes on 20 October 2026.
Supply and installation of diesel storage tank.
Transnet National Ports Authority seeks a contractor to supply and install a 75,000L diesel storage tank at the Tug Jetty in the Port of Durban. The project includes civil, mechanical, and electrical works, such as site excavation, concrete plinth construction, stainless steel pipework installation, and electrical infrastructure setup. It requires a mobile refueling point, firefighting equipment, and testing and commissioning. The project will occur between the Bat Centre and R-Berth over four months, with a compulsory site briefing on 07 October 2026, following the NEC3 Engineering and Construction standard.
Design and installation of Carbon Online Cegrit Sampler.
Eskom invites tenders for the design and installation of a Carbon Online Cegrit Sampler at Lethabo Power Station over two years. The project includes engineering design, manufacturing, and installation to monitor unburned coal in fly-ash. Key deliverables are system installation, commissioning, and handover. The closing date is 21 October 2026, with a non-compulsory meeting on 07 October 2026 via MS Teams.
Refurbishment of Valves at Kriel Power Station.
Eskom Holdings SOC Ltd invites tenders for a five-year term service contract for the refurbishment of Reheat safety valves, HP Bypass valves, and associated HP Bypass spray water valves at Kriel Power Station. The scope includes inspection, off-site repairs, welding, machining, pressure testing, and commissioning of valves on Units 1-6. Work is performed on an 'as and when' required basis during outages and maintenance. Deliverables include a Contract Quality Plan and technical reports. The project requires a 70% technical evaluation threshold. The tender closes on 21 October 2026, with a non-compulsory clarification meeting on 09 October 2026 via MS Teams.
Rehabilitation of Makhathini Pump Stations.
The KwaZulu-Natal Department of Agriculture and Rural Development seeks a service provider for the rehabilitation of Makhathini Pump Stations in Jozini Local Municipality. The project includes site clearing, installing new pump sets and electric motors, replacing valves, and upgrading electrical control panels. Building repairs and stormwater management improvements are also required. The project is located at the Makhathini Irrigation Scheme, 15km from Jozini town, with an 18-month contract period and an 11-month construction phase.
Engineering and Construction of Witbank Depot Fire System
Transnet Pipelines (TPL) invites tenders for the engineering, procurement, and construction of a fire protection system at the Witbank Depot. The project includes designing and installing fire water reservoirs, foam suppression systems, pump house infrastructure, and related electrical and instrumentation systems. Deliverables encompass civil works, structural steelwork, mechanical piping, and system commissioning. Located in Mpumalanga, the project spans 24 months starting 1 November 2026. A compulsory meeting is on 22 September 2026 at 11h00 at the Witbank Depot. Tender closes on 21 October 2026 at 16h00.
Maintenance of Roof Ventilators and HVAC Systems at ACSA.
Airports Company South Africa (ACSA) seeks tenders for maintaining roof ventilators and HVAC mechanical systems at O.R. Tambo International Airport over six months. The project includes preventative, corrective, and breakdown maintenance for chillers, cooling towers, air handlers, and dampers. Contractors must ensure system reliability, adhere to response times for landside and airside operations, and comply with safety and OEM standards. A functionality score of at least 80 out of 100 is required for further evaluation, and pricing must remain fixed for the contract duration.
Maintenance and Repairs of Generators at Rand Water.
Rand Water seeks tenders for the maintenance and repair of six generator sets at their Head Office and Scientific Services facilities over 24 months. Services include quarterly and annual maintenance, emergency call-out service, and documentation of work. Technical expertise is required to ensure power system reliability.
Construction of Roads and Landfill Site in Nquthu Municipality.
The Nquthu Municipality invites tenders for the construction of a landfill site and two road projects, involving civil and mechanical engineering works. Mandatory site briefings are required, and the projects are located within the King Cetshwayo and Nquthu municipal districts. Closing dates are in October 2026.
Supply and Maintenance of Hybrid PV Solar System.
SANAS seeks a service provider for the supply, installation, and maintenance of a 151.8 kWp hybrid PV solar system at its Pretoria head office. The project includes 150kW inverters, 300 kWh battery storage in a steel container, municipal approvals, fire suppression, and staff training. The contract spans 36 months, covering installation and maintenance. A compulsory briefing is on 13 October 2026.
Service Provider for Mechanical and Electrical Maintenance
The Council for Geoscience seeks a service provider for maintenance, repairs, and emergency call-out services for mechanical and electrical systems at various locations, including Silverton, Donkerhoek, Pretoria, and Bellville. The contract spans three years, covering HVAC systems, generators, UPS systems, electrical reticulation, lifting equipment, and security access systems. It requires 24-hour emergency response for Bellville and 4-hour response for other sites, with annual inspections and pressure testing. Bidders must offer a fixed-price structure with a 6% annual escalation for the second and third years.
Supply and installation of air-conditioners at Richards Bay.
Transnet National Ports Authority invites tenders for the supply, delivery, installation, testing, and commissioning of 44 split-unit air-conditioners at the Port of Richards Bay. The project includes units ranging from 12,000 to 36,000 BTU across various port buildings. The scope covers labor, materials, electrical connections, and operational manuals. Work starts on 1 November 2026, with a completion deadline of 1 March 2027. A compulsory briefing session is required for all interested parties.
Installation of Weighing Systems at Port of Durban
Transnet National Ports Authority seeks a contractor to install and commission an automated Truck Monitoring System at the Quayside Road Gate in the Port of Durban. The project includes Weigh-in-Motion sensors, camera integration, design reports, as-built drawings, operational manuals, and staff training. It requires expertise in electrical, mechanical, and civil engineering to ensure integration with existing infrastructure. The contractor will also handle maintenance until the defects date, with completion over twelve months.
Refurbishment at Olifantskop Water Treatment Plant.
uMngeni-uThukela Water invites tenders for the refurbishment and rehabilitation of the Olifantskop Water Treatment Plant, including pump set refurbishment and dam dredging. The project requires a Quality Control Plan for mechanical components and adherence to a construction programme, necessitating specialized mechanical and electrical expertise in water treatment infrastructure. The tender closes on 29th October 2026 at 12h00.
Design and Build of Leak Detection System at O.R. Tambo.
Airports Company South Africa (ACSA) invites tenders for the design, supply, installation, and commissioning of a refrigerant leak detection and gas extraction system at O.R. Tambo International Airport. The project covers four chiller plants and includes system design, cloud-based monitoring, testing, and a 12-month maintenance period post-completion. Bidders must meet a minimum functionality threshold and possess a CIDB contractor grading of 7ME or higher.
Supply & Installation of Equipment for Highbury Waterworks
The O. R. Tambo District Municipality invites tenders for the supply, installation, and commissioning of mechanical and electrical equipment for the 50Ml/d Highbury Waterworks and associated pumpstations in the Eastern Cape. The project includes installing raw water pumps, chemical dosing systems, filtration units, and electrical infrastructure such as MCCs, SCADA systems, and generators. The contract involves a 4-month trial operation and an 8-month monitoring period, with a subcontracting package for local SMMEs. A compulsory site briefing is scheduled for 01 October 2026, and the tender closes on 30 October 2026.
Supply and Install Reverse Osmosis Membranes.
The Bitou Municipality invites bids for the supply, installation, and commissioning of reverse osmosis membranes at the Plettenberg Bay Desalination Plant. The project aims to maintain and improve water treatment infrastructure. A compulsory clarification meeting is scheduled for 06 October 2026. The work involves technical installation services at the plant location, with the possibility of awarding the contract to a single provider or a panel of service providers. Completion is required by 30 October 2026.
Management Contractor for Sewer Pump Station Refurbishment
The Municipal Infrastructure Support Agent (MISA) seeks a contractor for refurbishing the Haveman and Old Access Road sewer pump stations in Viljoenskroon, Moqhaka Local Municipality. The project includes mechanical, electrical, and civil works, such as pump replacement, electrical panel installation, fencing, and pipeline jetting. The contractor will also provide staff training and maintenance manuals. The project duration is six months, with a compulsory site visit on 16 October 2026. The tender closes on 02 November 2026.
Operation and Maintenance of Stellenbosch Wastewater Treatment.
Stellenbosch Municipality seeks tenders for managing the operation and maintenance of the Stellenbosch, Wemmershoek, and Pniel Wastewater Treatment Works until 30 June 2029. Responsibilities include 24/7 operations, maintenance, SCADA oversight, staff training, and compliance with environmental standards. Qualified personnel are required, including a Contract Manager, Plant Manager, and Maintenance Manager.
High-Efficiency Air-Conditioner Units at O.R. Tambo Airport
Airports Company South Africa (ACSA) seeks tenders for the design, supply, installation, and commissioning of high-efficiency VRV/VRF air-conditioning systems in airside corridors beyond boarding gates at O.R. Tambo International Airport. The project includes mechanical, electrical, and civil works, BMS/SCADA integration, and digital platform development over 104 weeks. It requires a multidisciplinary team and a fixed-price proposal under an NEC3 Option A contract, with compliance to airport security and operational standards.