Experts in Mining Antapaccay Concentrator Plant
GyM Mining Contents Main Projects pages 2-5 pages 6-13 Process Plants pages 6-7 Earthworks and Tailings Dams page 8 Pads and Ponds page 9 Underground Mining page 10 Various Works pages 11-12 Cement Plants page 13 Serving our clients since 1933, we are the largest and most experienced construction company in Peru. We are leaders in mining industry, having executed the most important projects in the country, such as Antamina, Yanacocha, Alto Chicama, Cerro Verde, Cerro Corona, Bayovar, Antapaccay and Las Bambas. We have also crossed the borders of Peru, participating in the mining projects of San Cristobal in Bolivia, Pueblo Viejo in the Dominican Republic and Caserones in Chile, as well as in the mining operation services of Punta Lobos in Chile. We are the most experienced company in the construction of concentrator plants throughout Peru, as well as one of the most prestigious companies in Latin America. We have a highly qualified team of professionals, technicians and workers, with proven efficiency in the most complex tasks. Due to the strong support backed by our experience, professionalism and continuously updated technology, we can guarantee our clients the correct start-up of a project with the highest safety and quality standards and delivered before the agreed schedule (in 2012, 100% of our projects were delivered before the contractual completion date), respecting and protecting the environment, as well as creating development opportunities for the communities neighboring the project. Orcopampa Tunnel
Mining pages 2-3 Main Projects Las Bambas Antapaccay Pueblo Viejo Cerro Verde - Primary Sulfides Project Bechtel Xstrata Tintaya S.A. Apurimac, Peru 140,000 t/day 2011-2014 159,000 m 3 16,000 t 260,000 m 1,700,000 m Estimated Man Hours 16.8 MM Construction of a copper concentrator plant with a capacity of 140,000 t/day. Management contract, which includes earthworks, construction of facilities, civil works, equipment and structural assembly for primary crushing, conveyors, stockpile, concentrator plant, grinding, trommels, flotation and thickeners. Includes two 7.9 m diameter ball mills (each with a capacity of 16.4 MW) and two 12.2 m diameter SAG mills (each with a capacity of 26 MW). Bechtel Xstrata Tintaya S.A. Cusco, Peru 70,000 t/day 2010-2012 119,000 m 3 Earthworks 3.0 MM m 3 11,500 t 152,000 m 1,176,000 m 10.0 MM Construction of a copper concentrator plant with a capacity of 70,000 t/day. Management contract, which included earthworks, construction of facilities, civil works, equipment and structural assembly for primary crushing, conveyors, stockpile, concentrator plant, grinding, trommels, flotation and thickeners. Included two 7.9 m diameter ball mills with a capacity of 16.4 MW and one 12.2 m diameter SAG mill with a capacity of 24 MW. Additionally, it included the construction of ancillary services such as offices, warehouses, shops, a service station, explosives magazine, access roads and internal roads. Fluor Barrick Gold Pueblo Viejo, Dominican Republic 25,000 t/day 2009-2011 57,000 m 3 Reinforcing steel 10,000 t 6,500 t 2,400 t 850 t 5.50 MM The works included earthworks and civil works, mechanical assembly of ore crushing and grinding areas for the concentrator plant with a capacity of 25,000 t/day, as well as the construction of five concrete refractory tanks (Stebbins technology) of 19 m in diameter and 17 m high to store acid. Included the erection of two ball mills of 8.2 m and 5.4 m in diameter, as well as two SAG mills of 10 m and 6.8 m diameter. General Information Fluor Phelps Dodge Arequipa, Peru 108,000 t/day 2005-2007 61,000 m 3 12,700 t 9,500 t 513,000 m 6.56 MM Copper concentrator plant with a capacity of 108,000 t/day. Included a primary, secondary and tertiary crusher, grinding, copper flotation, molybdenum plant, thickeners, tailings transport systems, energy supply, HGPR installation and erection of four ball mills 7.3 m diameter. Access Roads and Platforms: Access roads, pipeline rights-of-way and platforms, totaling more than 930,000 m 3 of earthworks. Tailings Distribution System: Civil works, assembly of structures and installation of pipelines (approx. 10 km). Electromechanical Assemblies: Assembly of equipment (conveyors, chutes, etc.). Water Driveline for the Chili River: 6.5 km long, with a diameter of 24, 16 and 12 inches, of carbon steel and polyethylene, from the intake of the Chili River up to the Cerro Verde mine.
Mining pages 4-5 Main Projects Bayovar Cajamarquilla Zinc San Cristobal Cerro Corona Refinery General Information Vale Piura, Peru 10,700 t/day 2009-2010 Earthworks 58,000 m 3 14,000 m 3 2,950 t 2,780 t 38 km 347 km Instruments 946 und 3.10 MM The project was part of the Bayovar Project, owned by Vale, through its Peruvian subsidiary: Minera Miski Mayo. The scope included the implementation of the EPC contract of the Mine Package, the process plant with a capacity of 10,700 t/day and the maintenance shops, in addition to commissioning, start-up and assisted operation of the plant. Included the implementation of a 2.1 km long overland conveyor. Votorantim Metais Lima, Peru Extension from 160 K to 320 K per year 2007-2009 26,000 m 3 2,100 t 2,600 t Reinforcing steel 4,700 87 km Thermal insulation 12,500 m 2 1.40 MM Various works for the expansion of the Cajamarquilla zinc refinery, which include: Cell Houses of the Refinery: Civil works of the cell houses building and erection of 96 prefabricated polymeric concrete cells. Roasting Plant and Sulfuric Acid Plant: Civil works and electromechanical assembly of the roasting plant and sulfuric acid plant for Outotec. Indium Refinery: Civil works and structural assembly, equipment and piping installation, electrical power and implementation of an Indium plant. Stebbins Tanks and Thickeners: Construction of 27 tanks and seven concrete thickeners with antacid coating, as well as nozzle maintenance in existing tanks. Relocation of Railway Line: Demolition, earthworks and concrete works for the relocation of the railway line for Ferrovias. Aker Kvaerner Apex Silver Potosi, Bolivia 40,000 t/day 2005-2006 38, 000,000 m 3 6,000 t 20,000 t 1,300 t (52 km) 4.10 MM Construction of the concentrator plant with a capacity of 40,000 t/day. The scope of the project included the supply and placement of concrete, mechanical, structural and pipeline assembly, 1.6 km long overland conveyor, primary crusher, two 7 m diameter ball mills, one 11 m diameter SAG mill, 34 flotation cells, three vertical mills, 19 storage tanks, among others. Gold Field La Cima Cajamarca, Peru 17,000 t/day 2007-2008 16,500 m 3 Structural Assembly 2,100 t Equipment Assembly 3,700 t 500 t 1.85 MM Construction of a copper process plant with a capacity 17,000 t/day, which included civil works, structural fabrication and assembly, equipment assembly, fabrication and assembly of 21 tanks, pipelines installation up to mechanical completion. Scope included the erection of one ball mill and one ball mill with a 6.1 m diameter and one SAG mill with a 7.3 m diameter.
Mining pages 6-7 Concentrator Plants Las Bambas - Xstrata Copper Construction of a copper concentrator plant with a processing capacity of 140,000 t/day. Apurimac - Cotabambas, 2012-2014 Toromocho - Chinalco Assembly of steel structures, mechanical equipment and pipelines for the wet area of the concentrator plant. Includes the erection of two ball mills and one SAG mill, in addition to functional testing and pre-commissioning of all equipment. Associated works. Junin, 2012-2013 Antapaccay - Xstrata Copper Construction of a copper concentrator plant with a capacity of 70,000 t/day. Management contract, which included 3,000,000 m 3 of earthworks, 119,000 m 3 of concrete and erection of over 11,500 t worth of structures. Cusco - Espinar, 2010-2012 Antamina Minera Antamina Mechanical assembly of the new facilities of the concentrator plant for a capacity expansion from 90,000 to 130,000 t/day. Included upgrading the plate feeder of the primary crusher, coarse ore circuit, grinding (one SAG mill and one ball mill), flotation, regrinding, concentrate thickener, bismuth plant, reagents and facilities for the concentrate. Associated works. Ancash - Yanacancha, 2010-2011 assembly of ore crushing and grinding areas, as well as the construction of five Stebbins acid storage tanks, 19 m high and 21 m in diameter. Dominican Republic - Pueblo Viejo, 2009-2011 Bayovar - Vale Construction of a phosphates process plant with a capacity of 10,700 t/day. Included the engineering, equipment and material supply, civil works, electromechanical assembly, commissioning, system start-up and assisted operation. Piura - Bayovar, 2009-2010 Cerro Corona - Goldfield La Cima Construction of a copper and gold concentrator plant with a capacity of 17,000 t/day. Includes civil works (16,500 m 3 of concrete), fabrication and assembly of structures (2,100 t), equipment assembly (3,700 t), fabrication and assembly of 21 tanks (600 t), and piping assembly (500 t) up to mechanical completion. Cajamarca - Hualgayoc, 2007-2008 Cerro Verde - Phelps Dodge Construction of the concentrator plant with a capacity of 108,000 t/day, access roads, platforms, excavation, tailing distribution system, primary, secondary and tertiary crushing, thickeners, grinding, among others. Civil works (61,000 m 3 of concrete), structural assembly (12,700 t) and pipelines installation (approx. 10 km). Arequipa - Cerro Verde, 2005-2006 San Cristobal Apex Silver Construction of the concentrator plant with a capacity of 40,000 t/day. Included civil works (38,000 m 3 of concrete), structural assembly, equipment and piping installation, primary crusher, one SAG mill, two ball mills, among others. Bolivia - Potosi, 2005-2006 Cuajone - Southern Corp Expansion of the Cuajone concentrator plant from a capacity of 64,000 t/day to 96,000 t/day. Included campsites, civil works, electromechanical assembly (two ball mills). Moquegua - Cuajone, 1997-1998 Ares - Hochschild Construction of an ore concentrator plant with a capacity of 1,500 t/day. Included civil works, steel structures and electromechanical assembly. Arequipa, 1997-1998 Cuajone - Southern Corp. Copper concentrator plant with a capacity of 64,000 t/day, crushers, mills, thickeners, flotation cells, conveyors and ore containers; 110,000 m 3 of concrete, 13,000 t of steel. Moquegua - Cuajone, 1972-1976 Cuajone Concentrator Plant Quiruvilca - Northern Peru Ore concentrator plant with a capacity of 1,250 t/day. La Libertad - Santiago de Chuco, 1966 Chilete - Northern Peru Ore concentrator plant with a capacity of 500 t/day. Cajamarca - Chilete, 1952 Cerro Verde Concentrator Plant Pueblo Viejo - Barrick Earthworks, civil works (57,000 m 3 of concrete), mechanical Overland conveyor of the Bayovar Project
Mining pages 8-9 Earthworks and Tailing Dams Pads and Ponds Alto Chicama Mining Project for Barrick Platforms, excavation and concrete work for crushers, conveyor, storage and processing plant. Over 1 500,000 m 3 of earthworks. La Libertad - Alto Chicama, 2004-2005 Pierina Mining Project for Barrick Earthworks (1,000,000 m 3 ) associated with the construction of two collection and purification dams. Ancash - Huaraz, 1997-1999 Alto Chicama Mining Project for Barrick Nueva Fuerabamba City Earthworks for the construction of the new city of Fuerabamba for Las Bambas Project. Consists in the construction of 441 houses and more than 10 millions m 3 of earthworks. Apurimac, 2011-2012 Conga Access roads and Camp Platform Massive earthworks and platforms (1,300,000 m 3 ) for Conga mining project. Cajamarca, 2010-2011 El Porvenir dam for Milpo Dam heightening with blasting material. 354,000 m 3 of earthworks. Pasco - Cerro de Pasco, 2007-2008 Tailing deposits of El Brocal Mining Construction of new tailing deposits number 6 and 7, and a sedimentation pond. Pasco - Colquijirca, 2006-2007 Cerro Lindo Tailings Dam for Milpo Tailings dam 26 m high with a capacity of 443,000 m 3. Includes the grout curtain at the base of the upstream slope of the dam. Ica - Chavin, 2006-2007 Cerro Verde Access roads and platforms Platforms and access roads for Cerro Verde project. Earthworks of 690,000 m 3. Arequipa - Cerro Verde, 2006 Arcata Tailing Dam Construction of a dam with borrow material (35 m high), earthworks of 21,150 m 3, with a concrete face in the slope. Arequipa, 1984-1985 La Quinua Pad for Yanacocha La Quinua 8 Pad for Yanacocha 885,640 m 2 leaching platform, 300,000 m 3 operations pond, minor events pond, bypass and solution channels, roads, among others. In total, over 7,300,000 m 3 of earthworks. Cajamarca, 2011-2013 Phase 1 Pad for La Arena Construction of a Pad of 14 hectares for La Arena project with 720,000 m 3 of earthworks. La Libertad, 2010 Pad N 6 for Yanacocha Construction of a pad of 500,000 m 2, a pond of 250,000 m 3 and a channel of 1.7 km long. Earthworks and geomembrane installation works. Cajamarca - Yanacocha, 2003-2004 Pad N 5 for Yanacocha Site preparation, installation of geomembrane and construction of Leaching Pad No. 5. A total of 2,950,000 m 3 of earthworks. Cajamarca, 2002-2003 Pierina Pad and Pond Construction of a pad and a pond for Pierina Project. Includes earthworks and geomembrane installation. Ancash, 2001 Pad Nº3 for Yanacocha Leaching pond, operation pond and secondary recovery pond, solution channel, pipeline channel, rainwater bypass channels. Cajamarca, 1993 Antapaccay Access roads and platforms Construction of access roads and platforms for the concentrator plant exceeding 2,200,000 m 3. Cusco - Espinar, 2011 Access roads for the Antapaccay project Earthworks for the Antamina Mining Project Earthworks, cut and fill of over 3,000,000 m 3. Ancash - Huari, 1999-2001 El Porvenir Dam for Milpo La Quinua Stage 6 Pad for Yanacocha Construction of a 1,110,000 m 2 leaching pad. Includes geomembrane installation works, HDPE pipelines and a protective layer. Cajamarca - La Quinua, 2005-2006 Cuajone Pad Leaching pads in the Cuajone mine from an area of 131,500 m 2, and 54,400 m 3 of earthworks. Moquegua - Cuajone, 2001-2002 La Quinua 8 Pad for Yanacocha
Mining pages 10-11 Underground Mining Various Works Poracota Mine Tunnel Ilo Refinery of Southern Corp. Porocota Mine - Buenaventura Construction of more than 10 km of tunnels, shafts and galeries with an average section of 3.70 m x 3.50 m. Arequipa - Poracota, 2006-2013 Orcopampa Mine - Buenaventura Construction of over 40 km of ramps, shafts and galeries with sections ranging from 3.2 m x 3.2 m and 4 m x 3.5 m. Arequipa - Orcopampa, 2003-2012 Exploration tunnel for La Granja Mining Project Exploration tunnel of 800 m with section of 4 m x 4.5 m for Rio Tinto Mining. Cajamarca - La Granja, 2007-2008 Paton Tunnel Uchucchacua Mine Construction of a tunnel of 4.5 km to drain the ground water from the mine. Lima - Oyon, 2002-2004 El Porvenir Mine Shaft Deepening Construction of the Picaso vertical excavation mineshaft. Shaft deepening Exploration Tunnel for La Granja Mining Project of the mine from a -530 level to a -850 level, excavations, 2 km of spiral ramps, electromechanical assembly, among others. Pasco - Cerro de Pasco, 1996-1998 Yanacancha Camps and Facilities for Antamina Excavations, civil works, sanitary and electrical facilities of the new camp of Antamina mine in Yanacancha. Ancash - Huari, 2008-2009 Cerro Verde - Debottlenecking Project Capacity expansion of the concentrator plant from 108.000 to 120.000 t/day. Arequipa, 2008-2009 Expansion of the Cajamarquilla Zinc Refinery to 320k Construction of a roasting plant and sulfuric acid plant, cell house building, Indium refinery, Stebbins tanks and thickeners, among others. Included pre-commissioning, commissioning and start-up works. Lima - Huachipa, 2007-2009 Yanacocha Gold Mill works (25,000 m 3 ) for the foundation of the structures of the new Gold Mill concentrator plant. Included ground-grid, duct and pipeline bank. Cajamarca - Yanacocha, 2006-2007 Yanacocha Fuel Station Construction of the diesel storage and dispatching station for the mine. Cajamarca - La Quinua, 2005-2006 Ilo Smelter - Southern Corp. Renovation of four PS converters. Installation of electrostatic filters, ducts, assembly of anode furnace and casting wheel. Installation of all electrical equipment to supply and distribute power to the project. Moquegua - Ilo, 2005-2006 Ilo Smelter Oxygen Plant No. 2 - Southern Corp Design and construction of civil works and electromechanical assembly of the Ilo oxygen plant of the 1,045 t/day. Moquegua - Ilo, 2005-2006 Ilo Smelter Sulfuric Acid Plant No. 2 Southern Corp. Construction of a sulfuric acid plant with capacity of 3,760 t/day to industrialize the residue of the smelting process. Moquegua - Ilo, 2005-2006
Mining pages 12-13 Various Works Cement Plants Messer s Oxygen Plant Construction and assembly of an oxygen plant with a capacity of 480 t/day, civil works and electromechanical assembly. Ancash - Chimbote, 1999-2000 Ilo Smelter Oxygen Plant No. 1 - Southern Corp. Civil works of oxygen plant for Ilo Smelter with a capacity of 300 t/day. Moquegua - Ilo, 1993-1994 Antamina Tailing Distribution System Cerro Verde Electroplating and Extraction Plant Included concrete works, structures, pipelines, facilities and instrumentation. Arequipa - Cerro Verde, 1996 Cerro Verde Crushing Plant Construction of the crushing plant of 800 t/day, agglomeration plant with a capacity of 700 t/hour and conveyor belt. Arequipa - Cerro Verde, 1994-1995 Centromin Oxygen Plant Electromechanical assembly of the oxygen plant for a 300 t/day capacity. Junin - La Oroya, 1992-1993 Ilo Cooper Smelter - Southern Corp. Expansion of 120,000 t of blister per year. Moquegua Ilo, 1973-1976 Water Pipeline for Cerro Verde Development of a 6.5 km long water driveline, 24, 16 and 12 inch in diameter, made of carbon steel and polyethylene, from the intake in the Chili River up to the Cerro Verde mine. Arequipa - Cerro Verde, 2004-2005 Acid Water Treatment Plant Acid of Yanacocha Expansion and improvement of the acid water treatment plant of La Quinua for metal treatment. Cajamarca, 2004-2005 Acid Storage Tanks of Chuquicamata Construction of H2SO4 acid storage tanks with Stebbins technology. Chile - Antofagasta, 2002-2003 Laboratory for Antamina Finishes of the mines lab building for the Antamina Project. Ancash - Huari, 2000-2001 Antamina Tailing Distribution System Construction of the tailings distribution system. Ancash - Huari, 2000-2001 Antamina Primary Chusher Earthworks and civil works for the Antamina primary crusher. Ancash - Huari, 1999-2002 Ilo Smelter Sulfuric Acid Plant No. 1 - Southern Corp. Civil works and electromechanical assembly for the sulfuric acid plant 3,760 t/day, water treatment plant and port facilities, four tanks for sulfuric acid tanks of 1 000,000 gl and two water tanks of 110,000 gl. Subsequently, plant expansions were implemented. Moquegua - Ilo, 1994-1995 Siderperu Oxygen Plant Yura Cement Plant Cementos Lima Plant Expansion Includes the manufacture, mechanical assembly, disassembly, modifications, testing and commissioning crude crushing systems, clinkering and cement grinding. Associated works. Lima - Villa Maria del Triunfo, 2011-2012 Cementos Yura Grinding and Pyro-processing Plant Construction of a grinding and pyro-processing plant as part of the plant expansion works. Included steel fabrication (4,400 t), civil works (35,000 m 3 ), mechanical, pipeline and structural assembly (7,800 t) and unloaded tests. Associated works. Arequipa - Yura, 2009-2011 Cementos Viacha Plant for Soboce Expansion of the Cemento Viacha plant, metallic manufacturing and electromechanical assembly, material supply, manufacturing, pre-assembly, sandblasting and painting for a Clinker production plant. Bolivia - La Paz, 1997-1999 Cementos Lima Plant (Stage I and II) Expansion of the heat exchanger building of 107 m high, Clinker grinding and raw meal building, covered channel and Clinker tower, five silos. Grinding building, sub-station expansion, among others. Lima - Villa Maria del Triunfo, 1996-1997 Pacasmayo Cement Plant and Expansions Manufacturing and mechanical assembly of mills, exchanger tower, furnace and silos. Electromechanical works for the expansion of furnace No. 3 in 1995. La Libertad - Pacasmayo, 1976-1977, 1995 Cementos Lima Plant Construction of six large reinforced concrete silos of 15 m diameter x 47 m high for a capacity of 30,000 t. Construction of the preheating building with a 75 m tower, construction of the crushing plant building. Lima - Villa Maria del Triunfo, 1969-1970
Yanacocha Goldmill Concentrator Plant GyM S.A. Grupo Graña y Montero tel (511) 213-0444 fax Paseo de la Republica 4667 Lima 34, Peru www. gym.com.pe (511) 213-0400