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ANA Chosica - 22 barriers for nine valleys

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

Attaching the net to the cable

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

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

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

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

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

Final check executed by the installation team.

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - 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.

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

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

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

Protection system and protected object.

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

Site visit with representatives of the client.

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

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

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

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

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

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

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

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

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

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

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - 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.

Ochrona przed spływami gruzowymi (rumowisko) i płytkimi  osuwiskami - ANA Chosica - 22 barriers for nine valleys 2016

September 2018: Repair works for the anchors

 

Zastosowane systemy

 

Dlugosc systemu od

6 m - 60 m

 

Rok Instalacji / Montazu

2016

Sytuacja początkowa

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.

Opis zastosowanego rozwiazania

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.

Inwestor

ANA Chosica

Projektant

TDM S.A.

Wykonawca

TDM S.A.

Chroniony Objekt

Road, Building

Ochrona przeciwerozyjna

GEOBRUGG SUPERCOATING

Osoba kontaktowa na miejscu

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

Zagrożeniami naturalnymi
Nżynieria hydrauliczna
Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / USA Regional Manager Northeast

Formularz kontaktowy

Saleh Feidi
 

Saleh Feidi

Regional Manager California

Zagrożeniami naturalnymi
Nżynieria hydrauliczna
Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / USA Regional Manager California

Formularz kontaktowy

John Kalejta
 

John Kalejta

Regional Manager Central US

Zagrożeniami naturalnymi
Nżynieria hydrauliczna
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / USA Regional Manager Central US

Formularz kontaktowy

Bob Lyne
 

Bob Lyne

Regional Manager Southeast

Zagrożeniami naturalnymi
Nżynieria hydrauliczna
Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / USA Regional Manager Southeast

Formularz kontaktowy

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

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

Formularz kontaktowy

Tim Shevlin
 

Tim Shevlin

Sales Director

Zagrożeniami naturalnymi
Geobrugg North America, LLC,Salem OR 97302 / USA Sales Director

Formularz kontaktowy