What were the warning signs before the Tuas blast?

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Warning Signs Preceded Fatal Tuas Blast Due to Unsafe Machine Operation

Prior to the fatal explosion at the Tuas industrial plant in 2021, several critical warning signs indicated the mixing machine was being operated unsafely over an extended period. These included instances of the machine overheating and the presence of oil leaks, signalling underlying technical issues that were not adequately addressed. A fire also occurred shortly before the devastating blast, further highlighting the escalating risks associated with the equipment.
Overheating and Oil Leaks as Indicators

The mixing machine exhibited consistent problems, with overheating and oil leaks being prominent warning signs that were observed. These issues suggested a malfunction or improper functioning of the machinery, which should have prompted a thorough investigation and cessation of operations until resolved. Despite these clear indicators, the machine continued to be operated, contributing to the eventual catastrophic failure.
Preceding Fire as a Critical Alert

A fire incident occurred at the plant shortly before the main explosion, serving as a grave warning of the immediate danger. This event should have triggered an emergency response and a comprehensive review of safety protocols. The fact that operations continued after a fire, which itself is a consequence of unsafe conditions, points to a significant lapse in risk assessment and management at the facility.
Extended Period of Unsafe Operation

Investigations revealed that the mixing machine had been operated unsafely for a considerable duration, despite the recurring warning signs. This prolonged period of risky operation underscores a systemic failure in workplace safety oversight and maintenance. The repeated technical problems, including overheating and oil leaks, were not effectively rectified, allowing the unsafe conditions to persist and escalate towards the fatal event.

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What were the warning signs before the Tuas blast?

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