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ANA Chosica - 22 barriers for nine valleys

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

Attaching the net to the cable

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

Installing abrasion protection (in front a brake ring) ...

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

... which protects the rope when the net is filled and there is an overflow.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

Final check executed by the installation team.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

The lower barrier with a top width of 60 m. Project specific UX-barrier line-up with 5 posts.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

Serial alignment acoording to the multilevel approach (planned with DEBFLOW software).

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

Protection system and protected object.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

Site visit with representatives of the client.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

The proud team aside of its record installation in record time - full satisfaction.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

2017, one year later: Approximately 7000 m³ debris were stopped in this barrier.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

2017, one year later: The second barrier level contains approximately 3000 m³ debris.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

2017, one year later: View uphill from 2nd level to first level of the filled barriers.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

2017, one year later: The city is close to the activated barriers.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

2017, one year later: The fourth level of the barriers is nearly not affected and still fully functional.

토석류 및 산사태 방호 시스템 - ANA Chosica - 22 barriers for nine valleys 2016

September 2018: Repair works for the anchors

 

System length

6 m - 60 m

 

설치 년도

2016

Situation

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.

Customer

ANA Chosica

Engineering

TDM S.A.

Contractor

TDM S.A.

Protected object

Road, Building

부식방지

GEOBRUGG SUPERCOATING

Your local contact

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

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Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / 미국 Regional Manager Northeast

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Saleh Feidi
 

Saleh Feidi

Regional Manager California

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Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / 미국 Regional Manager California

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John Kalejta
 

John Kalejta

Regional Manager Central US

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Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / 미국 Regional Manager Central US

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Bob Lyne
 

Bob Lyne

Regional Manager Southeast

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Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / 미국 Regional Manager Southeast

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Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

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Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

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Tim Shevlin
 

Tim Shevlin

Sales Director

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Geobrugg North America, LLC,Salem OR 97302 / 미국 Sales Director

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