The challenge
Structures up to 60 m high, including silos, preheater frames and conveyor galleries, were carrying dust loads and showing surface corrosion. The condition of their connections was unknown.
The survey had to cover everything quickly, at height, while the plant kept running.
Scope of works
- Temporary dual-rope rope access rigging on primary members
- Systematic visual inspection of columns, trusses and bolted splices
- Recording of dust accumulation, oxidation and connection condition
- Zero-drop tool tethering over live roads and conveyors
Outcome
All key structures were surveyed and documented without scaffolding or downtime. See the companion survey in Ndola and our structural inspection services.