4ME tenders
Open South African construction tenders that require a CIDB 4ME grading: Grade 4 Mechanical Engineering. Free to view, no signup. Share any tender or follow VUZA on TikTok for daily picks. See all Grade 4 tenders.
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 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.
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 and Repair of Generators in South Gauteng.
The Passenger Rail Agency (PRASA) seeks two service providers for generator maintenance and repair in the South Gauteng Region for 36 months. The work includes preventative maintenance, corrective repairs, and 24-hour emergency support. Bidders must have five years of experience with projects over R2,000,000 and provide SABS-approved materials. Compliance with the Occupational Health and Safety Act and SANS standards is required. Key personnel must have valid trade test certificates. The closing date is 27 October 2026 at 12:00 PM.
Contractor for Maintenance of Laboratory Equipment
The South African Bureau of Standards (SABS) seeks a contractor for preventative and breakdown maintenance of mechanical laboratory equipment across Groenkloof, Secunda, Richards Bay, Cape Town, and Port Elizabeth. The three-year contract includes scheduled maintenance, equipment calibration, performance verification, and parts replacement. The contractor must ensure minimal disruption to operations and provide a 24-hour response for emergencies. Equipment includes compression machines, industrial ovens, furnaces, and rotating machinery. Bidders must submit a detailed pricing structure for labor and parts.
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.