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Workplace health and safety alert
Discard criteria for twin wall concrete pumping pipe
The purpose of this safety alert is to provide guidance on the discard criteria for twin wall steel pipe used for concrete pumping. This alert only discusses the pipe thickness at which twin wall pipe should be discarded. There are other issues that also need to be considered when determining whether pipe should be discarded.
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Workplace health and safety alert
Concrete pumping manual shut off valve failure
This safety alert provides guidance on hazards associated with concrete pumping manual shut off valves (also known as hammer shut off valves or slide valves, example at Figure 1), and on markings and information that should be provided by manufacturers, importers, suppliers and concrete pumping employers.
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Workplace health and safety alert
Concrete pumping clamp failures
This safety alert highlights the hazards and risks associated with concrete pumping line clamps (also known as couplers or clips) and to provide guidance on ways to reduce the risk of failure. This includes the need for proper pre-pour planning to ensure the pumping equipment used is appropriate for the project and is used as per the manufacturer’s instructions. The alert also highlights the safe use information that should be provided by clamp manufacturers, importers and suppliers to ensure clamps can be used safely, and guidance on information, instruction and training that should be provided to workers by persons with management and control of pumping operations.
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Incident alert
Fatal fall from height incident
In September 2023, a young worker suffered fatal injuries as a result of falling from height at a construction site. Early investigations suggested he fell between three to four metres through a penetration.
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Incident alert
Worker killed in trailer rollover
In September 2023, a worker was killed as material unloading activities took place on a construction project. A dog trailer that was part of a rigid truck and single dog trailer combination, rolled onto its side and pinned the worker underneath.
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Incident alert
Worker seriously injured by falling scaffold plank
In December 2023, a worker at a civil construction site received an electric shock when the mobile plant he was operating contacted overhead powerlines. Early investigations have found that the male worker was revived after treatment and transported to hospital.
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Incident alert
Worker received electric shock when plant contacted overhead powerlines
In December 2023, a worker at a civil construction site received an electric shock when the mobile plant he was operating contacted overhead powerlines. Early investigations have found that the male worker was revived after treatment and transported to hospital.
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Workplace health and safety alert
Delivering concrete for pumping
This safety alert highlights the risks associated with delivering concrete to mobile and static concrete pumps in the construction industry. The alert is for workers, employers, builders, owners and operators of concrete delivery trucks, concrete pumping units and concrete batching plants.
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Incident alert
Bridge and gantry crane serious incidents
In September 2023, two young workers were injured when a bundle of steel lengths weighing over one tonne fell from a bridge crane (overhead travelling crane). Initial investigations indicate a lifting chain slipped off one end of the bundle of steel while it was being moved using a dual hoist bridge crane inside a warehouse. The bundle fell, striking a worker and a second worker was injured while assisting the first. In October 2023, a worker suffered serious leg and foot injuries after being struck by a gantry crane wheel. Initial enquiries indicate he was using a jackhammer close to the crane’s rail system when the crane began operating and one of its wheels struck him.