The Challenge
- Twenty spans across different terrain and infrastructure, including roads, rail lines and the River Avon.
- A total of 5.6 km of gantry rail to be inspected.
- Principal inspection in line with CS450, non-destructive testing and weld inspections to be carried out at height.
- Only partial gantry access was available.
Our Solution
- A combination of large MEWPs, gantries and rope access was used to inspect the rails.
- Rope access was used for a large proportion of the works, avoiding delays from access restrictions and reaching areas over the river.
- Eddy current testing was used to inspect coated welds, minimising the need to remove paint.
- Ultrasonic testing was carried out as part of the principal inspection so the severity of any corrosion could be recorded. This turnkey approach improved efficiency and accuracy.