Fatality Involving Fractured Gate Valve Housing

Fatality Involving Fractured Gate Valve Housing
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Which came first? The overspeed or the fire - by EDT

 Which came first? The overspeed or the fire - by EDT

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Mechanical or electrical trip system testing? - Plant services.com

Mechanical or electrical trip system testing? - Plant services.com

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Bhopal Plant Disaster – Situation Summary M.J. Peterson

Bhopal Plant Disaster – Situation Summary  M.J. Peterson  

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Tesla driver killed while using autopilot

Tesla driver killed while using autopilot: The U.S. announced on Thursday the 40-year-old owner of a technology company who nicknamed his vehicle “Tessy” and had praised its sophisticated “autopilot” system just one month earlier for preventi

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Case study on chlorine leak

Read the case study on the chlorine leak in Mumbai port trust in 2010 in this link

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Three killed in boiler blast

News reports coming in of a boiler blast at a major ammonia urea complex in Mumbai. Reportedly, 3 people are killed and 5 have been injured. The blast is supposed to have occurred when maintenance work was n progress. We have to wait for the investigation details to come out.

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Mafunctioning instrument air regulator incident

Instrument technicians were re-calibrating a control valve positioner. The feedback arm between the valve and the positioner was disconnected, a mA source was connected, and the valve was stroked using the flapper & nozzle arrangement inside the positioner. While doing this, due to a faulty regulator, full instrument air pressure of 8.5 bar was applied and the top of the diaphragm casing ruptured propelling it far away. On investigation, inside the regulator, three screws had become loose in service due to vibration. The regulator did not have full rated relief and no external relief device was fitted as part of the original valve supply.

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Resilience and the Pembroke refinery explosion

Interesting article in this link: Resilience and the Pembroke refinery explosion

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Achieving zero accidents

Article by Chevron on how they are achieving zero accidents in this link 

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Crane collapse at refinery

 Crane collapse at refinery


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API’s new bill: “committed to pipeline safety and zero incidents”

API’s new bill: “committed to pipeline safety and zero incidents”


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Fall inside reactor

After helping to dismantle a metal scaffold inside a reactor, a worker was at the base of the reactor getting ready to exit through the overhead reactor manhole. While the worker was climbing up 14 meters up the vertical rope ladder, he fell and landed at the base of the reactor. He had not anchored his safety harness though he was wearing one. The worker was immediately rescued but he died on the way to the hospital. Climbing up rope ladders is physically exhausting the the fitness of the person is important. Provide anchoring system for the safety harness while climbing up rope ladders inside vessels.
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Look alikes causes fatality

Two maintenance workers were trying to remove a safety valve after obtaining work permit, when one of them was overcome with H2S and fell from the scaffolding and died. Both workers had unscrewed the flange bolts of the wrong safety valve. There were two safety valves that were identical in nature at the same location. One was isolated and permit handed over to remove that. But the workers opened the valve in service. What system do you have to prevent similar accidents?


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Osha cites company in explosion

http://theadvocate.com/news/15125133-175/osha-cites-second-geismar-company-in-september-explosion-fire-that-injured-four

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The long story of barges and ammonia transportation

The long story of barges and ammonia transportation:

The recent incident in which a leak in an ammonia tank headed for the Fertilizers and Chemicals campus takes memories back to the long history of the public sector company using Kochi’s backwaters to

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Safety norms thrown to winds at pharma, chemical units?

Safety norms thrown to winds at pharma, chemical units?:

“All the three versions will be clubbed and submitted to the District Collector for action,” said Joint Collector-2 D.V. Reddy, who had come to inspect the accident site at Srikar Laboratories.“Firstl

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Barge ban leaves FACT in fix

Barge ban leaves FACT in fix:

“The very existence of FACT is dependent on the continuing production of fertilizers, for which ammonia transportation by barge is absolutely essential,” it added.
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One killed, 15 injured in pharma unit blast

Thanks to Mr Satya Subrahmanyam for sending news about this incident.

One killed, 15 injured in pharma unit blast:

Immediately after the explosion, ammonia gas leaked and a woman was among the 15 affected. “Ramakrishna’s lungs were filled with the gas and he died before we could shift him to a hospital,” said DCP
From the photo in the article, it is eerily similar to a CSB case study where an ammonia exchanger exploded due to overpressurisation as its safety valve was blocked.
Read the CSB case study in this link

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Hazards when purging hydrogen gas cooled generators by OSHA

Hazards when purging hydrogen gas cooled generators

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