ROCK BOLTING IN KING COUNTRY
The multiple-site rock bolting works above the NIMT line for Kiwirail has started well.
We are installing 32mm and 38mm GRP tendons into ignimbrite cuttings and cliffs to secure potentially seismic active columns.
Time constraints, overhead wires, and multiple locations have dictated our methodology using high-rail excavators, and a man-safe basket attachment.








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