Nuclear Plants

Lift Rigs

We inspect the structural integrity of lift rigs in nuclear power plants. The AE test is designed to detect possible sub-critical flaw growth that might occur during the in-service loading of the lift rig. Because AE propagates to all parts of the structure, this test method is not limited to surface flaws. It does not require disassembly of the rig to gain access to hard-to-reach areas. Also, the AE test requires less access and generates less waste than other NDT methods. Focusing waste-generating inspections (e.g. PT) on only those areas where AE has shown relatively high activity and intensity minimizes waste disposal.