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.
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 m diameter had affected the mill infrastructure before. To ensure a safe operation of the mill area below the gully the barrier was installed approximatly 140 meters above office buildings and ore processing facilities.
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