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Minen / Bergbau / Tunnel - Grasberg Mine 2015

RXE-8000 rockfall barrier protecting mill facility in the background

Minen / Bergbau / Tunnel - Grasberg Mine 2015

Installation works in progress - visible special combined posts allowing helicopter transport

Minen / Bergbau / Tunnel - Grasberg Mine 2015

Slope morphology required reliable protection against 8000 kJ rockfalls and a height of 9 meters

Minen / Bergbau / Tunnel - Grasberg Mine 2015

Finally, a 50 meters long rockfall protection was installed

Minen / Bergbau / Tunnel - Grasberg Mine 2015

Overview of the Grasber Mine mill area

Minen / Bergbau / Tunnel - Grasberg Mine 2015

Drilling works required good preparation and special equipment suspended on ropes

Minen / Bergbau / Tunnel - Grasberg Mine 2015

Because of the size and helicopter transportation limits, posts were delivered in pieces, being screwed together directly on site

Minen / Bergbau / Tunnel - Grasberg Mine 2015

RXE-8000 middle post pieces being transported by the helicopter - visible project specific screw flanges

Minen / Bergbau / Tunnel - Grasberg Mine 2015

9 meters high RXE-8000 rockfall barrier installed across a natural gully

 

Systeme

 

Installationsjahr

2015

Ausgangslage

Rockfall hazard from the natural slopes above the mill area within the Grasberg mine had to be mitigated. After several incidents with boulders hitting buildings and infrastructure a fast and reliable solution had to be found.

Massnahme

The RXE-8000 rockfall barrier was installed across a very active gully on the east side of the mill area. Several rockfall incidents with boulders up to 2 meters in diameter had affected the mill infrastructure before. To ensure safe operation of the mill area below the gully, the barrier was installed approximately 140 meters above office buildings and ore processing facilities.

Land/Region

Indonesien

Kunde

Freeport-McMoRan Inc.

Planer

Geobrugg

Ausführende Firma

PT Freeport Indonesia

Subunternehmer

RPT-Indonesia

Geschützte Objekte

Steinbruch / Bergbau

Korrosionsschutz

Verzinkt, GEOBRUGG SUPERCOATING

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Saleh Feidi
 

Saleh Feidi

Regional Manager California

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

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Bryant Jackson
 

Bryant Jackson

Regional Sales Manager Northeast

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Geobrugg North America, LLC,22 Centro Algodones,NM 87001 Algodones / USA Regional Sales Manager Northeast

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John Kalejta
 

John Kalejta

Regional Manager Rocky Mountains / Central USA

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Geobrugg North America, LLC,KS 67226 Wichita / USA Regional Manager Rocky Mountains / Central USA

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Robert Long
 

Robert Long

Regional Sales Manager Southeast

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Geobrugg North America, LLC,24905 Winterberry LN,60585 Plainfield / USA Regional Sales Manager Southeast

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Pierce Runnels, Civil Engineer
   

Pierce Runnels

Sales Director North America

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Geobrugg North America, LLC,22 Centro Algodones,NM 87001 Algodones / USA , Civil Engineer Sales Director North America

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Tim Shevlin
 

Tim Shevlin

Regional Sales Manager Pacific Northwest and Hawaii

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Geobrugg North America, LLC,OR 97302 Salem / USA Regional Sales Manager Pacific Northwest and Hawaii

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