Carlos Costales

construccion de obras subterraneas y obra civil mineria energia tuneles galerias pozos cavernas construction energy mining civil works hydroelectric plants subterranean construction tunneling vertical shafts access galleries crushing plants pumping rooms ventilation systems electrical systems lighting systems waterproofing technical assistance railway tunnels road tunnels hydraulic tunnels urban drainage specialized construction cavern construction mechanized excavation robotic jumbos tbm earth pressure balance contracting services heavy machinery safety management sustainability environmental quality mining infrastructure ornamental stone mining coal mining metal mining international projects technical specialists emergency repairs high-speed rail subway construction project management client satisfaction engineering solutions design & execution community relations construction efficiency resource management excavation techniques underground construction tunnel projects energy sector complex civil works technical expertise international operations safety culture innovation environmental responsibility public sector projects private sector partnerships infrastructure development renewable energy mining services construction services electrical systems management waterproofing services occupational safety global presence specialized contractor mining projects civil works projects environmental services renewables & environment mining & metals productivity clean energy & technology