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A BRUGG GROUP COMPANY
Etats-Unis

ANA Chosica - 22 barriers for nine valleys

Chosica, Pérou
2016
Client
ANA Chosica
Ingénierie
TDM S.A.
Entrepreneur
TDM S.A.
Objet protégé
Route/Rue, Bâtiment
Hauteur du système
4.0 m, 6.0 m
Longueur du système
6 m - 60 m
Protection anticorrosion
GEOBRUGG SUPERCOATING®
Nombre de barrières
22
Capacité de rétention
n.a. m³
Situation de départ

In the area east of Lima, Peru, annually recurring rains due to the El Niño phenomenon caused mudslides and landslides in the past. At the end of February 2016, Geobrugg installed 22 debris flow barriers that today protect people and infrastructure in the nine valleys of the Chosica Region.

Description

22 barriers were installed between mid-November 2015 and end of February 2016. Noteworthy are the means of transportation: By air from Switzerland to Lima and by muscle power over the final kilometers. The lightweight of the systems was advantageous for both types of transport.

Local authorities show details of the largest installation of this kind of Latin America in a film (in Spanish).

March 2017

A year after the installation of 22 debris flow barriers in Chosica 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.

September 2018
Desnivel Perú S.A.C, Spanish-Swiss parent company, concluded the restoration and replacement works of affected elements after the Niño Costero period that shook the Peruvian coast in 2017.

The works consisted of two stages: The removal of material accumulated after the rainy season. And the replacement and restoration of the elements damaged by the debris flow and by robberies.

The following pictures illustrate 2016, 2017 and 2018.

Votre contact local

Kevin H. Coyle
Kevin H. Coyle
Regional Manager Northeast
Natural Hazards
Geobrugg North America, LLC
3 Beaudet Terr
Columbia CT 06237 / Etats-Unis
Téléphone +1 860 377 3230

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Saleh Feidi
Saleh Feidi
Regional Manager California
Natural Hazards
Geobrugg North America, LLC
8921 Emperor Ave.
San Gabriel, California 91775 / Etats-Unis
Téléphone +1 909 706 8964

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John Kalejta
John Kalejta
Regional Manager Central US
Natural Hazards
Geobrugg North America, LLC
3215 67th Avenue Pl
Greeley CO 80634 / Etats-Unis
Téléphone +1 505 220 1404

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Bob Lyne
Bob Lyne
Regional Manager Southeast
Natural Hazards
Geobrugg North America, LLC
8004 Windspray Drive
Summerfield NC 27358 / Etats-Unis
Téléphone +1 336 337 0945

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Pierce Runnels, Civil Engineer
Pierce Runnels, Civil Engineer
General Manager Geobrugg North America
Natural Hazards
Geobrugg North America, LLC
22 Centro Algodones
Téléphone +1 505 771 4080
Mobile +1 505 400 0796

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Tim Shevlin
Tim Shevlin
Sales Director
Natural Hazards
Geobrugg North America, LLC
4676 Commercial St. SE, PMB 174
Salem OR 97302 / Etats-Unis
Téléphone +1 503 423 7258

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