BNPB: The rubble of the Gubeng road due to the construction of an underground hospital

JAKARTA, KOMPAS.com – According to the National Disaster Management Agency (BNPB), the cause of Jalan Raya Gubeng's ambush in Surabaya, East Java, on Tuesday (18/12/2018), was due to a construction error.

The construction of the basement belonging to a private hospital located near the site does not use the soil retention so that the soil collapses.

The location of the driveways on the highway on the Gubeng Highway is adjacent to the location of the basement project located behind the Siloam Hospital, in Surabaya.

"So there is work on the construction of basements of hospitals that do not use retaining walls or retaining wall his name, which is directly facing the road, so that he has the opportunity to cause a ground impulse horizontally or to slide on the environment of the surrounding road, "said the head of the Information Center and public relations BNPB, Sutopo Purwo Nugroho, at a press conference at Graha BNPB, East Jakarta, Wednesday 19/12. / 2018).

Read also: Geologists reveal 2 causes of Amblesides on Jalan Gubeng Surabaya

According to Mr. Sutopo, another factor that led to the occurrence of this event is the traffic load of vehicles on the road and the rainy season.

Sutopo also claimed that the subsidence of 30 meters wide and 8 meters wide was not related to the Surabaya or Waru fault, as was the case in traffic.

"So, if there is a problem that says it has something to do with Surabaya's fault, Waru's fault is not correct, because there is no problem. 39, tectonic activity at the time of the incident, "he explained.

Therefore, he said, the incident was not the same as the liquefaction phenomenon.

"This event is called land subsidence without liquidation because there is no melting phenomenon of soil materials on the premises," he said.

Read also: Here is the video appearance of Gubeng Road which is Ambles via Drone

For this reason, Sutopo stated that the road as a vital road would soon be deteriorated and rebuilt.

However, he also encouraged law enforcement officials to investigate construction errors.

Another suggestion is that the local government must badess licensing issues and monitor construction.

No less important, according to Sutopo, an audit should also be conducted on the surrounding area to detect signs of a disaster.