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Mines safety alert no. 378 | 08 September 2020 | Version 1

Structural Failure: Security of Suspended Objects

What happened?

While replacing a light in a CHPP, Coal Mine Workers identified that the shackle on the light was badly worn (see figures 1 and 2 below). The shackle was the only support point. In the event that the shackle had failed, the entire weight of the light would have been seen by the power cable.

Recommendations

All SSEs should audit the support configurations on all lights and suspended objects in CHPPs and other buildings to determine the integrity of the support configuration. The audit should consider:

NB: AS/NZS 4871.1 2012 section 2.6.1 may provide some guidance

SSEs should review their maintenance strategies for CHPPs and other buildings to:

Safety Alert Purpose

The investigations are ongoing and further information may be published as it becomes available.

The information contained in this publication is based on knowledge and understanding at the time of writing.

Investigations are ongoing and further information may be published as it becomes available. The information in this publication is what is known at the time of writing.

We issue Safety Notices to draw attention to the occurrence of a serious incident, raise awareness of risks, and prompt assessment of your existing controls.

Authorised by Peter Newman - Chief Inspector of Coal Mines

Contact: Michael Scully, Inspector of Mines , 0459 878 917

Issued by Resources Safety & Health Queensland

Safety: This information is a guide only and is issued to promote safety through experience. It is not to be taken as a statement of law and must not be construed to waive or modify any legal obligation.
General: This information is a guide only. It is not to be taken as a statement of law and must not be construed to waive or modify any legal obligation.
Placement: Place this announcement on noticeboards and ensure all relevant people in your organisation receive a copy.

All information on this page (Structural Failure: Security of Suspended Objects - https://www.rshq.qld.gov.au/safety-notices/mines/structural-failure-security-of-suspended-objects) is correct as of time of printing (25th Jan 2021 8:28pm).