GyM

GyM

Serving its customers since 1933, it became the oldest and largest construction company in Peru. It has developed, over its history, countless projects in all construction sectors: Infrastructure, Energy, Buildings, Mining, Oil, Industry, among others.

Over the course of the different projects, it has partnered with leading construction companies in the world, such as Bechtel, Fluor, Dumez GTM (Vinci), Aker Solutions, etc.

Cerro Verde Copper-Molybdenum Mine
2014

Earthworks

Cerro Verde Copper-Molybdenum Mine, Arequipa, Peru

Contract award for the project "1814 -PAD 1 Phase III - Cerro Verde" of Sociedad Minera Cerro Verde SAA. The project has a deadline of 12 months and consists of earthmoving and placement of geosynthetics PAD 1 Phase III, located in the Cerro Verde mine in the province of Arequipa.

Source: GyM
Cerro Verde Copper-Molybdenum Mine
2013

Civil, structural and mechanical frameworks

Cerro Verde Copper-Molybdenum Mine, Arequipa, Peru

Contract to be delivered for the expansion of the Cerro Verde mining project. Includes civil and electromechanical works of two primary crushers and the copper concentrator plant.

Source: GyM
Inmaculada Gold and Silver Mine
2013

Engineering, Procurement and Construction (EPC)

Inmaculada Gold and Silver Mine, Ayacucho, Peru

EPC of the Gold Concentrator Plant. The project includes: Civil works, electromechanical erections, equipment installation and steel structures.

Source: GyM
inmaculada-gym4inmaculada-gym3
Toromocho copper, molybdenum and silver mine
2012

Assembly of steel structures

Toromocho copper, molybdenum and silver mine, Junin, Peru

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.

Source: GyM
Las Bambas Copper Mine
2012

Concentration and processing plant construction

Las Bambas Copper Mine, Apurímac, Peru

Construction of a copper concentration plant with a capacity of 140,000 t/day. Service contract includes: Earthworks, construction of facilities, civil works, installation of equipment and structures for primary crushing, conveyors, stockpile, concentration plant, mill, screening, flotation and thickeners.

It includes two 7.9m diameter ball mills (16.4 MW each) and two 12.2m diameter SAG mills (26 MW each).

Source: GyM
140000Output Tonnes per day16800Engineering man hours (K)25.91Ball Mill diameter (ft)159000Concrete poured (m3)16000Structural assembly (Tonnes)1700000Cables (m)40.02SAG Mill diameter (ft)2Number of SAG Mill installed 2Number of Ball Mill installed 16400Ball Mill rated power (KW)26000SAG Mill rated power (KW)260000Piping (m)
Las Bambas Copper Mine
2011

Engineering, Procurement and Construction (EPC)

Las Bambas Copper Mine, Apurímac, Peru

EPC contract in Apurimac. Works include 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 m3 of earthworks.

Source: GyM
10Earthworks (million m3)
Yanacocha Gold Mine
2011

Heap Leach Pad

Yanacocha Gold Mine, Cajamarca, Peru

La Quinua 8 Pad for Yanacocha, 885,640 m2 leaching platform, 300,000 m3 operations pond, minor events pond, bypass and solution channels, roads, among others. In total, over 7,300,000 m3 of earthworks.

Source: GyM
7.3Earthworks (million m3)885640Leach pad area (m2)300000Storage Capacity (m3)
Antapaccay Copper Mine
2010

Concentration and processing plant construction

Antapaccay Copper Mine, Cusco, Peru

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.

Source: GyM
70000Output Tonnes per day10000Engineering man hours (K)3Earthworks (million m3)25.91Ball Mill diameter (ft)119000Concrete poured (m3)11500Structural assembly (Tonnes)1176000Cables (m)40.02SAG Mill diameter (ft)1Number of SAG Mill installed 2Number of Ball Mill installed 16400Ball Mill rated power (KW)24000SAG Mill rated power (KW)152000Piping (m)
Antamina Copper Mine
2010

Concentration and processing plant construction

Antamina Copper Mine, Ancash, Peru

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.

Source: GyM
130000Output Tonnes per day1Number of SAG Mill installed 1Number of Ball Mill installed
Pueblo Viejo gold mine
2009

Civil, structural and mechanical frameworks

Pueblo Viejo gold mine, Dominican Republic

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.

Source: GyM
5500Engineering man hours (K)57000Concrete poured (m3)2400Equipment assembly (Tonnes)6500Structural assembly (Tonnes)850Piping (m)10000Reinforcing steel (Tonnes)
Bayovar Mine
2009

Engineering, Procurement and Construction (EPC)

Bayovar Mine, Piura, Peru

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.

Source: GyM
3100Engineering man hours (K)0.058Earthworks (million m3)14000Concrete poured (m3)2780Equipment assembly (Tonnes)2950Structural assembly (Tonnes)38000Piping (m)
Southern Interoceanic Highway project Peru - Brazil
2008

Construction, management and maintenance of roads

Southern Interoceanic Highway project Peru - Brazil, Peru

Concession contract for the construction, conservation and exploitation of Section 1, San Juan de Marcona (Ica) - Urcos (Cusco).

Maintenance and rehabilitation works of 750 km of the Southern Interoceanic Highway Section 1 corresponding to the Peru – Brazil road corridor (Southern IIRSA). It includes periodic maintenance works for 25 years.

The section runs through the departments of Ica, Ayacucho, Apurímac and Cuzco. It starts at the Port of San Juan de Marcona, going through Nazca, Puquio, Abancay, Cuzco and ending in the Urcos district. It includes five road toll units.

Works executed for Survial SA.

Source: GyM
Road Junction 1B Buenos Aires - Canchaque
2008

Construction and restoration of access roads

Road Junction 1B Buenos Aires - Canchaque, Peru

Rehabilitation, construction and improvement of 78.13 km of road infrastructure as part of the Red Vial No. 2. Contract includes operation and regular maintenance for 15 years.

Source: GyM
78.13Length (km)
Melchorita Liquified Natural Gas (LNG) Plant
2007

Civil, structural and mechanical frameworks

Melchorita Liquified Natural Gas (LNG) Plant, Peru

Construction of temporary and permanent campsites, tank foundations, underground facilities, plant civil works, mechanical piping, electrical and instrumentation assembly; in addition to the construction of a permanent plant and exterior buildings.

Source: GyM
Cajamarquilla Zinc Refinery
2007

Civil, structural and mechanical frameworks

Cajamarquilla Zinc Refinery, Lima, Peru

Deliverables for Cajamarquilla zinc refinery expansion project including:

Refinery cell houses: 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.

Source: GyM
1400Engineering man hours (K)26000Concrete poured (m3)2600Equipment assembly (Tonnes)2100Structural assembly (Tonnes)87000Cables (m)4700Reinforcing steel (Tonnes)12500Thermal insulation (m2)
Cerro Corona
2007

Concentration and processing plant construction

Cerro Corona, Cajamarca, Peru

Construction of a copper concentrator 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.

Source: GyM
17000Output Tonnes per day1850Engineering man hours (K)20.01Ball Mill diameter (ft)16500Concrete poured (m3)3700Equipment assembly (Tonnes)2100Structural assembly (Tonnes)23.95SAG Mill diameter (ft)1Number of SAG Mill installed 1Number of Ball Mill installed
San Cristobal Mine
2005

Concentration and processing plant construction

San Cristobal Mine, Bolivia

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 7m diameter ball mills, one 11m diameter SAG mill, 34 flotation cells, three vertical mills, 19 storage tanks, among others.

Source: GyM
40000Output Tonnes per day4100Engineering man hours (K)22.96Ball Mill diameter (ft)38000000Concrete poured (m3)20000Equipment assembly (Tonnes)6000Structural assembly (Tonnes)36.08SAG Mill diameter (ft)1Number of SAG Mill installed 2Number of Ball Mill installed 52000Piping (m)
Cerro Verde Copper-Molybdenum Mine
2005

Concentration and processing plant construction

Cerro Verde Copper-Molybdenum Mine, Arequipa, Peru

Construction of 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 m3 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.).

Source: GyM
108000Output Tonnes per day6560Engineering man hours (K)23.95Ball Mill diameter (ft)61000Concrete poured (m3)9500Equipment assembly (Tonnes)12700Structural assembly (Tonnes)513000Cables (m)4Number of Ball Mill installed
Orcopampa Gold and Silver Mine
2003

Construction and restoration of access roads

Orcopampa Gold and Silver Mine, Arequipa, Peru

Construction of over 40 km of ramps, shafts and galleries with sections ranging from 3.2m x 3.2m and 4m x 3.5m.

Source: GyM
40Length (km)

More projects, Company brochure, contact details and site photos are all included in the PDF.

Snapshot

Company Url
Sector
Construction & Engineering Sub-Industry
Recorded Contracts
28

Services

Civil, structural and mechanical frameworks
Engineering, Procurement and Construction (EPC)
Construction and restoration of access roads