The Western part: It covers at least 16 fuel oil tanks with the; capacity of about 58,000 m3. This
is stationed along with the stations of the truck filling, installations of the pipeline receptions
with at least control room and 3 smaller admixture tanks.
The Eastern part: It has seven kerosene and fuel oil tanks with the total capacity of 26000m3.
The operation of the company is usually for a period of 24hrs. The oil storage depot which is
ranked second is located between the western and the eastern sites of the company which
incurred the losses. This particular depot had been authorized to handle a capacity of 70,000 tons
of fuel.
The accident
Events sequence
At around 7:00p.m on the month of December 10th there was reception of unleaded gasoline by
Tank 912. This particular tank is located in the company’s first storage area marked as area, A.
The delivery was done at an inflow rate of about 550 550 m3 /hr.
On December 11, at around midnight there was closure of the storage site with the verification of
the inventory being underway. There was indication of a stable of stable volume at the capacity
of 2/3 by Tank 912 at around 3:00 a.m. In the meanwhile, the delivery of the supply was
maintained at the same rate of flow. Tank 912 began to overflow at around 5:20a.m. This was
characterized by the formation of a high concentration of air/fuel mixture.
There was halting of a parallel supply delivery of another tank at 5:50a.m. This basically implied
that Tank 912 had its inflow rate at 890 m3 /hr. The supply valve of the tank however remained
opened.

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Fire Safety | Case study of Buncefield Accident

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