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A company of the BRUGG Group
United States

Peru Flooding: Geobrugg debris flow barriers subjected to the most difficult test

24 March 2017

A year ago 22 debris flow barriers were installed in Chosica. Now "El Niño Costero" has struck again, with the worst storms of the past 30 years in the north of Peru. Causing heavy rains, floods and landslides, which have caused in fatalities and damage to properties.


The 22 barriers have functioned reliably. One of the images shows a 55 meters stretch as one of the 4 levels of the barrier system. Two of these barriers are filled to 95 percent capacity, which is a volume of 10,000 m³. The multilevel design allows an increased retention volume, meaning that there is still capacity in the downstream barriers. The most important thing is that the residential area has not been damaged and there have been no deaths or injuries.

At Geobrugg we are pleased to have contributed - in a small part - to mitigate the effects of this terrible catastrophe. Our thoughts are with the victims, who are suffering the effects of this disaster throughout the country.

You can find more details about our protection measures in the region here.

Approximately 7000 m3 debris were stopped in this barrier.
The second barrier level contains approximately 3000 m3 debris.
View uphill from 2nd level to first level of the filled barriers.
The city is close to the activated barriers.
The fourth level of the barriers is nearly not affected and still fully functional.