Lagunas Norte mine

Inspection of ponds and dikes 2015.

Source: Anddes Asociados

CQA to repair POP02 pond and monitoring box Phase 5.

Source: Anddes Asociados

3D stability analysis of leach pad Phases 5, 6 and 7. Pad Phase 6 drilling and pond sealing.

Source: Anddes Asociados

Detailed engineering leach pad phase 7A.

Source: Anddes Asociados

Detailed engineering of organic soil deposits, PLS1 - PLS2 connection and relocation of channels.

Source: Anddes Asociados

Service Control Quality Assurance (CQA) for POP 2 pool repair.

Source: Anddes Asociados

Conceptual engineering for pits exploitation and organic soil deposits.

Source: Anddes Asociados

CQA of Phase 6 leach pad construction.

Source: Anddes Asociados

Installation of 01 Etna-Kinemétrics accelerograph in Lagunas Norte leach pad - Barrick.

Works executed for Zer Geosystem.

Source: Georys Ingenieros

Inspection of ponds and dikes 2014. Evaluation study of low permeability material which are not falling into Barrick properties.

Source: Anddes Asociados

Slope stability access to Sauco and design of pond sediment complementary works.

Source: Anddes Asociados

Feasibility study for the pumping system of the collection pond in Lagunas Norte.

Source: GMI S.A. Ingenieros Consultores

West PAG waste rock dump engineering and design.

Source: Anddes Asociados

Feasibility study of Phase 9 new leach pad.

Source: Anddes Asociados

Hydro-biological monitoring.

Source: Anddes Asociados

Basic engineering for west PAG waste dump.

Source: Anddes Asociados

Building resource estimation for life-of-mine LOM 2012.

Source: Anddes Asociados

Inspection of ponds and dikes 2013.

Source: Anddes Asociados

CQA ramp access to leach pad Phase 5.

Source: Anddes Asociados

CQA for cyanide liquids pipes protection.

Source: Anddes Asociados

Phase 9 drilling supervision.

Source: Anddes Asociados

Lagunas Norte mine leaching pad, quality control of stage III construction, supervision and geotechnical evaluation of works.

Basic engineering design update for new leach pad Phases 6 and 7.

Source: Anddes Asociados

Geotechnical evaluation for protection of cyanide pipes located on the leach pad slope.

Source: Anddes Asociados

Detailed engineering design of the access ramp at the junction of two pads, including reinforced concrete culvert step.

Source: Anddes Asociados

Annual safety inspection of dikes and ponds 2012.

Source: Anddes Asociados

Conceptual study, basic engineering and detailed engineering for facilities involved in the LOM (life-of-mine) 2012; it included: Pads joining, refractories material stock, west dam dump.

The project included a review of the basic engineering of south pad , execution of geotechnical investigations, review of hydrology, geotechnical analysis, civil design, hydraulic design, preparation of plans, Capex estimation.

Source: Anddes Asociados

Pipe deflection tests in the laboratory of USBR in Denver, USA.

Source: Anddes Asociados

Basic engineering design of leach pad ECO 12. The project included pits , drilling, geological and geotechnical mapping, verification of pits, civil design, geotechnical analysis , specifications, Capex.

Source: Anddes Asociados

Detailed engineering design of Phase 2 east dump dam.

Source: Anddes Asociados

Repair and maintenance of electronic components including Komatsu truck cards.

Repaired Komatsu cards: RP VE1317 delay contactors,VMM voltage modules, ISO modules, Power source 100 AK1991 card, 17FB103B2 card, 17FB104B2 card, ISO 17FM394J1 panel, VMM 17FM458A2 panel, 17FB140B1 card, 17FB144A3 card.

Source: GTO Peru