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Mines safety alert no. Newflash | 02 September 2019 | Version 1

Structural failure: Overburden Drill Mast

What happened?

A steel plate 3.3m long x 0.50m wide x 3 mm, weighing approximately 50kg, was positioned on a drill mast to retain the hose travel guides. The plate has detached and fallen approximately 5m off the drill mast striking blast peg basket before landing on the drill bench below.

Recommendations

All mines should immediately audit all modified mobile plant structures to determine the integrity of structures and fixings, the audit should consider:

In particular mines should review their maintenance strategies for structures and equipment to:

OEMs should be consulted to ensure that correct inspections are used for the aforementioned.

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.

References and further information

Safety Newsflashes Purpose

  1. Draw attention to the occurrence of a serious incident(s) in the mining industry
  2. Increase Risk awareness
  3. Promote mines to examine and check that their controls are adequate

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

Authorised by Peter Newman - Chief Inspector of Coal Mines

Contact:

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: Overburden Drill Mast - https://www.rshq.qld.gov.au/safety-notices/mines/structural-failure-overburden-drill-mast3) is correct as of time of printing (25th Jan 2021 7:28pm).