Deceased
Andrew Grant Baulderstone
Demographics
37y, male
Date of death
1997-12-01
Finding date
2000-07-07
Cause of death
Multiple injuries including lung lacerations and contusions, multiple rib fractures, rupture of spleen and stomach, and crush asphyxia
AI-generated summary
Andrew Grant Baulderstone, aged 37, died from multiple injuries when refractory material collapsed from the lining of a pellet kiln at BHP's Whyalla plant while he was jackhammering. The collapse resulted from failures in the stainless steel anchor clips holding the material to the kiln shell. Root causes included: manufacturing defects in anchor hooks (141 of 251 hooks lacked specified 5mm radius bend, reducing fatigue life 2.5-fold); inadequate quality control of welding; and structural stress from major kiln design changes made without proper engineering analysis. The anchoring system underwent progressive fatigue failure over months. While the collapse was unprecedented and unforeseeable to experienced BHP personnel, it was causally contributed to by quality control failures, lack of engineering oversight of design modifications, and failure to analyse repeated cracking of cooling and sealing systems. Manual jackhammering was used instead of the safer remote-controlled Brokk machine due to unscheduled shutdown. BHP subsequently implemented comprehensive remedial measures.
AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes. Report an inaccuracy.
Specialties
Error types
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