Collapse of truck mounted concrete pump with boom
In March 2019, a truck-mounted concrete pump with boom (TMCPWB) collapsed on to an operator. The injured person had his leg pinned by the boom, causing leg injuries.
Possible contributing factors:
- Ground under the TMCPWB insufficiently compacted.
- Underground services not identified. When pressure is placed on underground services such as pipes, they may be damaged causing soil subsidence.
- TMCPWB not correctly set up
- Insufficient operator training or experience.
- Insufficient operator attention to the task of setting up the TMCPWB.
WorkSafe WA's safety alert details how to manage the risks of truck-mounted concrete pumps with booms.