7ME tenders
Open South African construction tenders that require a CIDB 7ME grading: Grade 7 Mechanical Engineering. Free to view, no signup. Share any tender or follow VUZA on TikTok for daily picks. See all Grade 7 tenders.
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.
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.
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.
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.
Howick Pump Station Fire System Upgrade EPC Project
Transnet Pipelines (TPL) seeks engineering, procurement, and construction services for a new fire protection system at the Howick Pump Station. The project includes designing and installing water storage tanks, a containerized pump house, foam suppression systems, and associated piping. It also involves demolishing the existing fire system, conducting civil and structural works, and integrating electrical and instrumentation controls, all while maintaining 24/7 site operations. The project is scheduled to start on 1 February 2027 and will last 15 months, located at the Transnet Pipelines Howick Pump Station in KwaZulu-Natal.