– Nexa Resources S.A.
High Zone mining excavation service from 2022. Labor maintenance: Helical Bolts (3,800 units) Hydrabolt Bolts (2,500 units) Electrowelded Mesh (2,500m2)
– Compañía De Minas Buenaventura S.A.A
Mining Laboring Service: Execution of exploration, development and preparation from 2022. Labor maintenance: Wet Shotcrete e = 2’’ (9,900 m3/month) Helical Bolts (4,800 units) Split Set Bolts (480 units) Electrowelded Mesh (700m2)
– Volcan Compañía Minera S.A.A
Maintenance and Rehabilitation services since 2022. Labor maintenance: Helical bolts Electrowelded Mesh
– Sociedad Minera El Brocal S.A.
Development, preparation, roof control, exploitation and various services since 2006. Development, preparation and exploitation works: Negative and positive ramps Drift, bypass, chambers and sublevels Exploitation using Sublevel Stoping Roof Control: Shotcrete e = 2 “3100 m3 / month Hydrabolt Bolts (2500 units) Split Set Bolts (2800 units) Electrowelded Mesh (1800m2) Steel arches (50 units) Corrugated […]
– Compañía De Minas Buenaventura S.A.A
Development, preparation, roof control, and various services since 2019. Development, preparation and exploitation works: Negative and positive ramps Drift, bypass, chambers and sublevels Roof Control: Helical Bolts (8000 units) Electrowelded Mesh (1800m2) Ore and waste transport: Transport: 30000 ton
– Trevali Mining Corporation
Development, preparation, roof control, exploitation and various services since 2013. Development, preparation and exploitation works: Negative and positive ramps Drift, bypass, chambers and sublevels Exploitation using Bench and Fill Roof Control: Shotcrete e = 2 “8000 m2 / month Helical Bolts (3000 units) Ore and waste transport: Ore: 60000 ton Waste: 50000 ton
– Volcan Compañía Minera
Development, preparation, roof control, exploitation and various services since 2019. Development, preparation and exploitation works: Negative and positive ramps Drift, bypass, chambers and sublevels Exploitation using Bench and Fill Roof Control: Shotcrete 1600 m3/mes Swellex Bolts (6000 units) Electrowelded mesh (4500 m2)
– Volcan Compañía Minera S.A.A
Development, preparation, roof control, and various services since 2021. Development, preparation and exploitation works: Negative and positive ramps Drift, bypass, chambers and sublevels Roof Control: Shotcrete 1600 m3/mes Hydrabolt Bolts (4000 units) Electrowelded mesh (4000 m2) Waste transport: Waste: 22000 ton
– Empresa Minera Los Quenuales
Development, preparation, roof control, exploitation and various services since 2019. Development, preparation and exploitation works: Negative and positive ramps Drift, bypass, chambers and sublevels Exploitation using Sublevel Stoping Roof Control: Shotcrete 1500 m2 Steel arches (528 units) Cemented backfill 80000 m3 Rock fill 85000 m3
– Volcan Compañía Minera S.A.A
Reinforcement of roof control of underground drainage works Lv.400. Roof Control: Helical Bolts Electrowelded mesh Norwegian Arches (20) Shotcrete (2000 m2)
