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.

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

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

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