Yanacocha Gold Mine

Yanacocha Gold Mine

Detailed engineering

GMI Ingenieros Consultores

Detailed engineering of the electromechanical complementary facilities in the gold mill tailings northern expansion

Source: GMI S.A. Ingenieros Consultores

Detailed engineering

GMI Ingenieros Consultores

Basic and detailed engineering for the sludge pumps and tanks relocation.

Source: GMI S.A. Ingenieros Consultores
Minera Yanacocha S.R.L.
2012

Industrials

Minera Yanacocha S.R.L.

Buenaventura Ingenieros S. A. (BISA)
2012
US$ 5K

Mining Conceptual Studies

Buenaventura Ingenieros S. A. (BISA)

Heap Leach Pad

GyM

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)
Angeles Minería y Construcción
2011
US$ 1.4M

Rental of heavy machinery

Angeles Minería y Construcción

Rental of machinery for earthworks tasks development purposes.

Source: Angeles Minería y Construcción S.A.C
Angeles Minería y Construcción
2009
US$ 815.3K

Transportation of materials

Angeles Minería y Construcción

Hauling of 220 kton limestone to lime plant Chinalin .

Source: Angeles Minería y Construcción S.A.C
Angeles Minería y Construcción
2009
US$ 104.2K

Rental of heavy machinery

Angeles Minería y Construcción

Angeles Minería y Construcción
2009
US$ 9.5M

Civil, structural and mechanical frameworks

Angeles Minería y Construcción

Construction services for development projects area including construction of Stage 7A Pad La Quinua, building access for San Jose pre-mining activities. Services include earthworks in San Jose mining and La Quinua .

Source: Angeles Minería y Construcción S.A.C
Angeles Minería y Construcción
2009
US$ 568.5K

Rental of heavy machinery

Angeles Minería y Construcción

Angeles Minería y Construcción
2008
US$ 15.4M

Rental of heavy machinery

Angeles Minería y Construcción

Metso Corporation
2008
US$ 10.8M

SAG Mill

Metso Corporation

16500Mill rated power (KW)32Mill diameter (ft)32Mill Length (ft)

Detailed engineering

GMI Ingenieros Consultores

Basic and Detailed Engineering Project Cost Estimates and Technical Evaluations for the Purchase of Equipment for the Acid Water Treatment Plants (AWTP) at La Quinua and Pampa Larga for Minera Yanacocha.

The plants are located at an altitude of 4,000 masl., with temperatures between 0°C and 22° C and winds up to 120 km/hr. The AWTP Plants regulate the pH levels and remove heavy metals before being discharged to the environment. Before treatment, water contains the following metals: Aluminnum, Manganese, Iron and lower concentrations of Copper and Zinc.

The engineering design included an Acid Walter Intake, a collection and Transport System, Clarifier Tanks, a Sludge Clarifier System, a Chemical Dosing System and Transfer Pumps. Engineering was developed in a 3D environment using PDMS.

Source: GMI S.A. Ingenieros Consultores
39.275Engineering man hours (K)
Angeles Minería y Construcción
2005
US$ 413.4K

Installation of protection/drainage layer

Angeles Minería y Construcción

Production and installation of protective layer (PL) and drainage layer (DL) within stages 5, 6 and 7 of Yanacocha PAD.

Source: Angeles Minería y Construcción S.A.C
Hitachi Construction Machinery Co. Ltd.
2001

Construction Machinery & Heavy Trucks

Hitachi Construction Machinery Co. Ltd.

Construction and restoration of access roads

Angeles Minería y Construcción

Contrato: MYSRL-GEN 043/00-PY http://www.angelesmyc.com.pe/sp/proy_ya.html

Rental of heavy machinery

Angeles Minería y Construcción

Rental of heavy machinery

Angeles Minería y Construcción

Rental of heavy machinery

Angeles Minería y Construcción

Rental of heavy machinery

Angeles Minería y Construcción

Hitachi Construction Machinery Co. Ltd.

Loading Shovels

Hitachi Construction Machinery Co. Ltd.

Hitachi Construction Machinery Co. Ltd.

Loading Shovels

Hitachi Construction Machinery Co. Ltd.

Knight Piesold
US$ 3.9M

Mine Related Infrastructure

Knight Piesold

Knight Piesold

Water management

Knight Piesold

Knight Piesold

Geotechnical testing laboratory

Knight Piesold

Knight Piesold

Specialist Support

Knight Piesold

Knight Piesold
US$ 3.9M

Mine Related Infrastructure

Knight Piesold

Inspectra SA

Storage

Inspectra SA

Knight Piesold

Heap Leach Pad

Knight Piesold

10000000Surface Area (m2)
Inspectra SA
US$ 3.9M

Mine Related Infrastructure

Inspectra SA

Knight Piesold

Tailings Storage Facility

Knight Piesold

Inspectra SA
US$ 3.9M

Mine Related Infrastructure

Inspectra SA

Knight Piesold
US$ 3.9M

Mine Related Infrastructure

Knight Piesold

EXSA

Explosives

EXSA

Knight Piesold

Solid waste management

Knight Piesold

Knight Piesold
US$ 394.1K
Knight Piesold
US$ 99.4K

Geotechnical studies

Knight Piesold

ABB
US$ 4.5M

Gearless Mill Drive systems (GMDs)

ABB

16500Mill rated power (KW)
Knight Piesold
US$ 99.4K

Geotechnical studies

Knight Piesold

Knight Piesold

Hydrological studies

Knight Piesold

More contracts, contractors and photos are included in the PDF.

Snapshot

Production starting date
August 1993
Construction Started
January 1992
Metal Annual Output (Tonnes)
28.831 in 2013
Mine Type
Open pit
Gold Mineral Reserves @ (oz/tonnes)
0.93
Exploration Started
January 1982
Last year production (oz.)
1017000
Metals mined
Gold, Copper
legal.unidad
CHAUPILOMA SUR

Top Contractors

Angeles Minería y Construcción
GRD Minproc Limited
Knight Piesold
Metso Corporation
Inspectra SA

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