Transporting and installing an industrial boiler is a complex undertaking that can quickly become stressful if the wrong team or inadequate planning is involved. Reef Rigging has spent years refining its approach to boiler transport and installation — building a service that gives clients confidence that their boiler project will be handled correctly, safely, and within budget. This article explains what to consider before taking on a boiler transport and installation project in South Africa.
Before You Transport a Boiler: Key Pre-Project Checks
Before any boiler transport project begins, several pre-project checks are essential to avoid problems during the move:
- Stack and shell wall thickness measurement — on older boilers, the pressure vessel shell and stack may have corroded internally, reducing wall thickness below minimum safe limits. A wall thickness measurement test (using ultrasonic testing) should be conducted before a boiler is moved. If the shell has insufficient remaining thickness, moving the boiler and reinstalling it may expose the operator to liability for operating an unsafe pressure vessel.
- Drain and prepare the boiler — the boiler should be drained of water and, where possible, cooled to ambient temperature before transport. Residual water adds to the transport weight, creates dynamic load shifts during transit, and can cause internal corrosion if the boiler is stored after transport without proper treatment.
- Identify and verify lift points — the manufacturer’s specified lift points must be identified and their condition inspected before rigging begins. For older boilers, original lifting lugs may have been removed, damaged, or welded over during the unit’s service history.
- Assess the route and access — both the transport route and the access to the installation site must be surveyed before the boiler moves. For oversized units, this includes confirming that all overhead utilities, bridge heights, and road widths along the route are compatible with the load dimensions.
Choosing the Right Rigging Team for a Boiler Project
The rigging team you choose for a boiler project should be able to demonstrate experience with boiler handling specifically — not just general machinery moving. Boilers are pressure vessels with specific handling requirements. The rigging team must understand these requirements, produce a formal lift plan, use the correct rigging configuration for the specific boiler type, and manage the transport and installation phases as a coordinated whole. Reef Rigging has worked alongside Boiler and Industrial Plant (South Africa) for over sixteen years — giving clients the benefit of both specialist rigging and boiler engineering expertise on the same project.
Post-Installation: Before the Boiler Goes Back Into Service
After installation, the boiler must be inspected by an approved inspection authority under the OHSA Pressure Equipment Regulations before it is recommissioned. This inspection confirms that the unit has not been damaged during transport and installation, that all connections are correct, and that the unit meets the safety requirements for operation. Only after a satisfactory inspection and the issue of a certificate of inspection can the boiler be legally returned to service in South Africa.
For professional boiler transport and installation services in South Africa, explore Reef Rigging’s boiler services or contact the team.
Frequently Asked Questions: Boiler Transport and Installation
What is an ultrasonic wall thickness test for a boiler?
An ultrasonic wall thickness test (UT) uses high-frequency sound waves to measure the remaining thickness of a boiler shell, drum, or stack without requiring the boiler to be opened. The test identifies areas of corrosion-related thinning that are not visible from the outside. Results are compared against the manufacturer’s minimum acceptable thickness values to determine whether the boiler is safe for continued operation. UT testing is standard practice before relocating or recommissioning older boilers.
Who can legally certify an industrial boiler in South Africa?
Industrial boilers in South Africa must be certified by an approved inspection authority under the OHSA Pressure Equipment Regulations. Approved inspection authorities are bodies accredited by the South African National Accreditation System (SANAS) to conduct pressure equipment inspections. The certificate of inspection issued by the approved inspection authority is the legal evidence that the boiler has been inspected and found safe for operation at its rated pressure.