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– Volcan Compañía Minera S.A.A

Alpamarca Mining Unit

Reinforcement of roof control of underground drainage works Lv.400.

Roof Control:

  • Helical Bolts
  • Electrowelded mesh
  • Norwegian Arches (20)
  • Shotcrete (2000 m2)

5500 und

Total bolts

7000 m2

Total electrowelded mesh

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