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What Went Wrong 3

EXPLOSION

Unusual Tank Explosion

 

During the construction of a new tank, the operators decided to connect the nitrogen line to the tank for safe hot job on the connected pipe line of the tank. They said they knew better; nitrogen was inert and therefore safe.

The new tank and an existing one wer Continue reading What Went Wrong 3

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October 6, 2016
What Went Wrong 2

ISOLATION

 

Isolation Not Removed


While a plant was on line, an operator noticed a slip-plate on a tank vent. The slip plate had been fitted to isolate the tank from the blowdown system while the tank was under maintenance.  When the maintenance was complete, the slip-plate was overlooked. Fortunately, the tank, an old one, was stronger than it needed to be for the duty. or it would have burst. Continue reading What Went Wrong 2

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September 3, 2016
What Went Wrong

ISOLATION

Failure to Isolate


A pump was being dismantled for repair. When the cover was removed, hot oil, above its auto-ignition temperature, came out and caught fire. Three men were killed, and the plant was destroyed. Examination of the wreckage after the fire showed that the pump suction valve was open and the drain valve shut .The pump had been awaiting repair for several days when a permit-to work was issued at 8 a.m. on the day of the fire. Continue reading What Went Wrong

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August 12, 2016
HAZOP: A preliminary tool for PHA

GOODHazopHAZOP is the most familiar method of hazards identification acknowledged worldwide. Although hazard identification is the main focus, operability problems should be identified to the extent that they have the potential to lead to process hazards, result in an environmental violation or have a negative impact on profitability.

Continue reading HAZOP: A preliminary tool for PHA

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July 4, 2016
Process Safety in Monsoon

June 20 marks the beginning of monsoon season which is one of the most exciting seasons of the year, when you feel maximum attachment to Nature, witnessing the raindrops kissing the surface of the mother earth. However, this happiness comes at a cost, when a combination of high winds, moisture and temperatures results in a remarkable changes in the implication with respect to process safety. Continue reading Process Safety in Monsoon

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June 7, 2016
Design of Effluent Treatment Plant
Fire at IOC, Hazira

A major fire broke out at IOC, Hazira terminal. The terminal stores various flammable chemicals life HSD, Diesel, Petrol, Kerosene, etc. and supplies to the outlets of south Gujarat. The storage tank farm of IOCL, BPCL and HPCL are located in close proximity, but fortunately at least 05. to 1 KM away from the state highway connecting Hazira to Surat. Continue reading Fire at IOC, Hazira

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August 6, 2015
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