The official cause of the fire and explosion

On November 6, Ho Chi Minh City Department of Science and Technology announced the official cause of smoke and fire at 'death pit' in Binh Loi, HCM City.

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On the basis of coordinating the investigation, survey, sampling and analysis and inspection results at the site of the road fire at the 'death hole' before house No. 236, Binh Loi Street, Ward 13, Binh Thanh District In Ho Chi Minh City, professional units such as the Fire Police Department, Gia Dinh Power Company ., Ho Chi Minh City Department of Science and Technology had some official conclusions about the cause of this incident.

The fatal pit of smoke caught fire on October 28.(Photo: X. Danh - NLD)

Accordingly, the main cause of fumes and explosions in this "death hole" is due to the broken cable section during the construction of the water supply pipe and the possibility of the influence of the storm surge. causing electric shock problems, creating electric arc phenomenon, generating a large heat source causing localized explosions and fire.

Through analysis of gas samples in the pit after the explosion, authorities discovered that there is an unusually high concentration of methane (0.2 - 2%). Therefore, it is not excluded the possibility of afterburner explosion due to high concentration of methane gas in the fire pit.

Disconnected power cables are discovered under the pit

The Department recognizes that this phenomenon is local and immediate and does not affect people's lives and activities. Through this incident, the Department noted that the construction of underground works should be very careful, to avoid hurting other underground works around, causing an unfortunate incident. In addition, the public market unit must also pay attention to the quality of the road surface to be re-established after construction.