Environmental Impact Assessment (EIA)

The modification of the environmental impact assessment (MEIA) covers the need to include new components required for the mining operation, the same that will be located in Pucara, Mauras, Pucay, Manto, Chipmo, Delta and Calera sectors.

In the sector Chipmo, a plant for treatment effluents as well as a plant for domestic wastewater treatment will be located.

7 smokestacks in Pucara, 3 raise borer in Mauras sector, 1 smokestack in the Pucay sector. Delta area will include the deposit of sterilized material and top soil deposit. Calera sector will contain the area of ​​hazardous waste disposal and landfill. Manto sector will include the effluent treatment plant of Alberto tunnel and the septic system for domestic sewage treatment.

The MEIA covers the following: area of ​​influence of the project, environmental baseline, project components, identification and evaluation of environmental impacts, environmental management plan, socioeconomic baseline community relations plan (PRC), closure plan conceptual, economic valuation of impacts.

Source: Peruvian Ministry of Energy and Mines

Environmental impact assessment (EIA) for the smelting plant.

Source: GMI Ingenieros Consultores

The aim of the EIA modification is to change facilities allowing the exploitation and mineral processing of Inmaculada project. The components to be modified are: Tailing deposit, comprehensive system of channels coronation, waste dam No. 2, inappropriate material deposit, quarry Pucu Pucu, camps and offices, power line, materials and larger equipment warehouse, industrial water modular treatment plant and industrial water management system.

The waste dam shall occupy new area of ​​8.9 ha with a storage capacity of 1.471 million m3 of mine stripping, camps for personal to be expand to a final area of ​​13.75 ha, 2015 ore production shall be 744.984 mt.

The project has areas of influence direct (AID) and indirect (AII) from the environmental and social point. The rural community of Huallhua as well as towns Huancate, Cáscara, Villa Patari y Belén are related AID social.

According to directorial resolution Nº322-2015-EM/DGAAM given on August 18th 2015, Peruvian Ministry of Energy and Mines approved Inmaculada exploitation and processing plant EIA studies modification.

Source: Peruvian Ministry of Energy and Mines

Kiln No.5 new production line EIA development, presentation and follow up.

Source: GMI S.A. Ingenieros Consultores

Grinding circuit EIA.

Source: GMI S.A. Ingenieros Consultores

The Environmental Impact Assesment (EIA) describes activities related to construction stages as well as the ones for operation stages in order to allow the extraction of iron ore concentrate at 98,300 tonnes/day through an open-it operation. The implementation of a processing plant for iron concentrate is included with a production capacity of 61,698 tonnes/day.

The EIA contains descriptions of physical components, biological, social baseline, characterisation of environmental impacts, environmental management measures, measures of conceptual closure.

According to directorial resolution Nº044-2015-MEM/DGAAM given on January 22nd 2015, the Pampa de Pongo Iron mine project EIA study was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

Environmental Impact Assessment update for the Southern Interoceanic Highway - Section 1: San Juan de Marcona - Urcos and the Buenos Aires Canchaque Highway.

Works executed for Survial.

Source: GMI S.A. Ingenieros Consultores

Environmental Impact Assessment update for Ancon - Huacho - Pativilca Road Network No. 5.

Works executed for Norvial.

Source: GMI S.A. Ingenieros Consultores

Preparation of Environmental Impact Assessment (EIA) in order to expand Pillones transfer station.

Las Bambas Mining Company will transport copper and molybdenum concentrade on a bimodal way from Las Bambas mining operations to Puerto Matarani. The concentrate will be transported overland from Las Bambas to a transfer station located in Pillones and from there be transfered via railways to Matarani Port.

The EIA being prepared will contain the baseline report in Dry Season, records of Certificate of Absence of Archaeological Remains (CIRA), preliminary environmental assessment, consolidated baseline in dry and wet seasons.

Source: Geoservice Ingeniería

Walsh was in charge of the Environmental and Social Impact Assessment (ESIA) studies providing adequate information to existing features of the areas of influence of the Toquepala project to expand the concentrator plant capacity to a level of 100,000 TMD.

The scope of the project was to determine the likely and actual impacts of the project on environmental resources and social issues, a cost/benefit of the project and specific contingency plan to address environmental risks were also included .

According to directorial resolution Nº611-2014-MEM/DGAAM given on Dec 17th 2014, the EIA study for plant concentration and tailings deposit expansion were approved Peruvian Ministry of Energy and Mines.

Source: Walsh Peru S.A

Execution of the 181.3 MW Recka power station project and 220 ​​kV transmission line project EIA. The project is located in the district of Reque, province of Chiclayo, state of Lambayeque, Peru.

Sociedad Minera Cerro Verde (SMCV) plans to build a power plant consisting of a turbine in open or simple cycle with its own 181.3 MW generator, 220/18kV 230MVA power transformer and auxiliary equipment. The interconnection of the power transformer to the National Interconnected System grid will be through a 220 kV transmission line from 220kV Reque Substation at Red de Energia del Peru, making a distance of about 3 km in a straight line from the power plant.

According to directorial resolution Nº382-2014-MEM/DGAAM given on December 25th 2014, the Recka Power Plant and Transmission Line project EIA was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

Second amendment of Environmental Impact Assessment (AEIA) covering areas of environmental influence, environmental liabilities, archaeological survey, physical and biological aspects, socio-economic component, tailing deposit, effluent collection, environmental management plan, conceptual closure plan.

The AEIA complements the EIA of Tailing Dam Bofetall III project approved in June 2001 and the first amendment of EIA issued in 2009.

According to directorial resolution Nº100-2014-MEM/DGAAM given on February 27th 2014, Peruvian Ministry of Energy and Mines approved the Second Amendment of EIA Tailings Dam Bofetal III for the construction of the Larancota deposit.

Source: Peruvian Ministry of Energy and Mines

The modification of the EIA study considers within the area of influence direct and indirect the travel path of the new primary transmission line 15kV SE Caylloma - Bateas (Power House). It considers, according to the norm of imposing servitude, a distance of 6m wide servitude for all building and operating facilities areas.

The EIA contains socio-environmental baseline assessment of environmental impacts during the construction, operation and closure, the respective environmental management plan, conceptual closure plan, cost analysis, community relations plan and monitoring program.

According to directorial resolution Nº459-2013-MEM-AAM given on December 2nd 2013, Peruvian Ministry of Energy and Mines approved the Amendment of EIA for new 15kV transmission line substation Caylloma - Bateas.

Source: Peruvian Ministry of Energy and Mines

Execution of Environmental Impact Assessment (EIA) studies for the construction of a double circuit transmission line of 220 kV with a total length of 61.30 km, with galvanized type towers and ACAR conductors (Aluminum conductors).

The EIA also evaluates the construction of 02 substations Pampa de Pongo and Sombrerillo, power transformers 220/33kV - 100MVA capacity and 220/23kV - 50MVA capacity respectively.

According to directorial resolution Nº365-2014-MEM/DGAAE given on Nov 20th, 2014, the EIA study for the power transmission system was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

As a result of the update and progress of engineering facilities and process optimisation, it is advisable to increase the rate of ore processing 55,000 tonnes per day (tpd) for a period of 15 years to 81,900 tonnes per day (tpd) decreasing the lifetime of mine to 11 years.

It is proposed to amend the stages of construction and regrowth of tailing dam target specific areas for storage of non-acid generating drainage material as well as to store saturated material product of earthworks in the footprint of the tailings dam .

According to directorial resolution Nº309-2013-MEM/AAM given on August 20th 2013, the first modification of Constancia project EIA was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

Environmental Impact Assessment (EIA) of the new industrial plant.

Source: GMI S.A. Ingenieros Consultores

Environmental Impact Assessment (EIA) studies for Tia Maria Southern Peru Cooper Corporation project.

According to directorial resolution Nº392-2014-MEM/DGAAM given on August 1st, 2014, the EIA study of Tia Maria project was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Southern Copper Corporation (NYSE and LSE: SCCO) announced on Aug 4th, 2014 that this project will request an investment of approximately $1.4 billion and the Company expects to start works on it by the end of this year.

Source: Geoservice Ingeniería and Southern Peru Cooper Corporation

The third modification of the EIA is carried out in order to optimise the design and operation of Viscachas dam, it proposes the growth as well as its operation.

With respect to the dam growth, dike shall increase in 4.5m bringing about a total height of 35m achieving an increment of storage capacity from 28.5 to 60 million cubic meters. Dam operation includes the intake and discharge of Chincune river entire flow.

According to directorial resolution Nº377-2012-MEM/AAM given on November 14th 2012, the thrid modification of Quellaveco project EIA was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

The EIA covers specifications that will allow built port facilities which will let piling of iron ore as well as the construction of a dock to ship ore into ships that will transport mineral to international markets.

In addition to marine and land civil works, the port terminal will have mechanical handling equipment ore, ie rotopolas in the stockyards, conveyor belts and Charger boat (ship loader).

Source: Jinzhao Mining Peru S.A

The main purpose of the project is to increase the installed processing ore capacity of concentrate from 120,000 to 360,000 tonnes per day (tpd).

The EIA considers main activities as widening and deepening of pits Santa Rosa and Cerro Verde, building new copper concentrator plant with a capacity of 240,000 tpd, building two new mine stripping deposits, a new private road from production unit Cerro Verde to the transfer station La Joya, internal electrical distribution lines and sub​​-stations, new tailings dam in Linga, phase III of the leach pad.

According to directorial resolution Nº403-2012-MEM/AAM given on December 3th 2012, the Cerro Verde expansion EIA was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

The aim of the study is to mitigate environmental impacts from conducting mining activities at the rate of 3,500 tmd by underground operation of Angela vein. The project components are 01 processing plant, 01 waste deposit, 02 mine entrances, 01 tailing dam, among others. Construction period (02 years), operation (08 years), closure (02 years) and post-closure (05 years ) are estimated.

The project has areas of direct influence (ADI) as well as indirect influence (AII) from the environmental and social point. Huallhua rural community and Huancate town are related to ADI social, related to AID environmental are included areas occupied by the mining project components.

According to directorial resolution Nº319-2012-MEM/AAM given on September 28th 2012, Peruvian Ministry of Energy and Mines approved Inmaculada exploitation and processing plant EIA studies.

Source: Peruvian Ministry of Energy and Mines

The EIA was conducted in order to comply with the company reserve plan, Austria Duvaz needed to make changes to the production process of concentrates as well as tailings disposal for years from 2011 to 2016, ensuring therefore the life of the mine; the following components were implemented:

Expanding the capacity of the Puquiococha concentrator plant from 450 to 800 tonnes/day. Regrowth of the western sector of the Puquiococha tailings dam, final geometry from level 4,515 to 4,528 meters above sea level.

According to directorial resolution Nº081-2012-MEM/AAM given on March 16th 2012, the Austria Duvaz EIA study was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

Environmental Impact Assessment for mine as well as Huayllacho concentration plant expansion from 1,030 to 1,500 metric tons day (mtd).

Description of the legal framework applicable to the project as well as description of the underground mine expansion project (construction and operation) considering Huayllacho concentrator plant, new tailings dam No. 3, hydraulic filling plant, two new waste deposits.

An assessment of the environmental characteristics of the project influence area, identification and evaluation of environmental impacts, formulation and implementation of an environmental management and community relations plan, monitoring and environmental oversight programe and formulation of a contingency and closure plan are sections of the EIA.

According to directorial resolution Nº173-2011-MEM/AAM given on June 8th 2011, the EIA for mine as well as Huayllacho concentration plant expansion study was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

The aim of the EIA modification is to implement the infrastructure that can let the mine operate at 10,000 tmd, the following components are required: New waste dam (No 100), new tailing dam (No 2), a contingency dam, an electric sub station (SE Crucero 270)​​, camp for operators and 60 Kv power transmission line.

The area of ​​direct social influence (ADI) is composed of district of Chavín towns: Marcocancha, Huirpina, Chitiapata, San Juan de Luyo, San Florian y Chavín, and district of Grocio Prado towns: Pauna, Buenavista, Chuspa, La Capilla y Conoche.

According to directorial resolution Nº239-2011-MEM/AAM given on August 8th 2011, environmental impact assessment modification of production 10,000 tmd expansion project Cerro Lindo mining unit was approved by the Ministry of Energy and Mines Peru.

Source: Peruvian Ministry of Energy and Mines

The modification of the Antamina project EIA by increasing reserves and mine plan optimisation has as main objectives incorporate changes in the mine plan due to the increase of reserves declared in 2008, 745millones metric tons, and facilitate an increase in the rate of ore processing by optimising the production process.

The average rate of ore processing will increase by 25 % from 104,000 to 130,000 tonnes per day (tpd) on average with maximum outputs up to 175,000 tpd. These amendments extend the lifetime of the mine until 2028 .

According to directorial resolution Nº054-2011-MEM/AAM given on February 18th 2011, the Antamina project Modification of Environmental Impact Assessment for increasing reserves and mine plan optimisation was approved by the Peruvian Ministry of Energy and Mines meeting the technical requirements by environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

In order to increase the capacity of concentrator plant from 1,800 tpd to 4,000 tpd is necessary to increase the storage capacity of tailing dam No. 4 by building 2 new tailings deposits (4A and 5).

The project involves the construction phase, operation and final closure. The EIA contains physical component, biological component, socioeconomic environment, identification and evaluation of environmental impacts, environmental management plan, environmental monitoring plan and conceptual closure plan.

According to directorial resolution Nº018-2011-MEM/AAM given on January 14th 2011, Orcopampa mining unit EIA of 4A and 5 tailing dam deposit as well as plant capacity increment to 4,000 tpd was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Knight Piésold

Environmental Impact Assessment (EIA) studies including social and environmental impacts, control measures for prevention and mitigation of effects, community relationships planing, closure plan.

According to directorial resolution Nº073-2011-MEM/AAM given on March 7th, 2011, Peruvian Ministry of Energy and Mines approved the EIA study of Las Bambas project.

Source: Golder Associates Perú S.A.

The EIA indicates that Constancia project will have an extraction rate of 55,000 tonnes per day (tpd) equivalent to 70,533 tonnes per year of copper and 3,000 tons of molybdenum concentrate annually. Current mining reserves are 277.4 million tonnes with a mine lifetime of 15 years.

The EIA includes studies on public participation, area project evaluation, description of activities, environmental management plan, mine environmental monitoring program, transmission line environmental monitoring program, conceptual closure and post closure.

According to directorial resolution Nº390-2010-MEM/AAM given on November 24th 2010, the Constancia project EIA study was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

The EIA is presented in 13 sections covering among the main ones project description, physical and biological base line, social and cultural base line, citizen participation, analysis of alternatives, evaluation impact, plan of environmental and social management, closure and analysis plan cost benefit others.

The EIA contemplates using seawater in conjunction with a desalination plant for the supply of water to the operations plant. The uptake of seawater is planned to be on the beach located at the north of El Sombrero town.

The project includes two pits, the first one called La Tapada with a total reserves defined in the mine design of 445 million tons of oxide ore at an average grade of 0.434% Cu. In Tia Maria pit, total extractable reserves defined in the mine design included 193 million tons of oxide ore at an average grade of 0.304% Cu.

Source: Schlumberger Water Services Peru

The second EIA amendment suggest modify the transportation of concentrate, port facilities and transmission line.

The transportation of concentrate shall be from concentrator plant located in Papajune to the new facilities to be built in Enersur port using a 165.2km journey. Port facilities includes the construction of facilities for storage and shipping within Enersur area. A transmission line of 220Kv and 37Km shall supply power from Moquegua sub-station.

According to directorial resolution Nº319-2010-MEM/AAM given on October 5th 2010, the second modification of Quellaveco project EIA was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

Environmental Impact Assessment (EIA) studies for the project which shall exploit a skarn/porphyry type deposit producing a copper concentrate which shall be transported by trucks to the Matarani port. The construction phase of the project includes two years, followed by 22 years of operation. Expected plant processing capacity is about 70,000 tonnes per day.

According to directorial resolution Nº225-2010-MEM/AAM given on July 6th, 2010, Peruvian Ministry of Energy and Mines approved the EIA study of Antapaccay Tintaya expansion project.

Source: Golder Associates Perú S.A.

The EIA details the Delimitation of Direct Influence Area (AID) as well as Indirect Influence Area (AII) of the project. Areas of socioeconomic influence and additional coverage of geographical, environmental, social and human interest features are also included.

Project components are also detailed considering infrastructure, manpower requirement. Potential environmental and social impacts, prevention, control and mitigation as well as abstract of social baseline and summary of community relations plan are also analyzed.

According to directorial resolution Nº411-2010-MEM/AAM given on December 14th 2010, the Toromocho Exploration EIA study was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

The objective of the EIA is to expand operation of mine and processing plant capacity from 5,000 tmd to 10,000 tmd, the following components are required: Control room, industrial water treatment plant, pulp plant , tailings filtration plant, waste dam ( No 1), power station, camps for operators.

The components to be expanded are located within the Cerro Lindo granted concession and Cerro Lindo 13, cerro Lindo, Febrero 1979 mining concessions.

According to directorial resolution Nº168-2010-MEM/AAM given on May 17th 2010, the environmental impact assessment of production 10,000 tmd expansion project Cerro Lindo mining unit was approved by the Ministry of Energy and Mines Peru.

Source: Peruvian Ministry of Energy and Mines

The changes proposed in the EIA modification are related to water supply as well as operations and propose the increment of concentrator plant processing capacity from 64,000 to 85,000 tonnes per day (tpd). With regards to water supply, these resource will be captured from from the river Titire (up to 700 l/s) as well as though a reservoir built on the river Viscachaz.

Ore reserves of copper and molybdenum are 938 million tonnes, which shall be exploited in 32 years considering the new processing capacity. It is proposed to locate the concentrator plant in Quebrada Papajune due to lack of space at the Quebrada Quellaveco .

According to directorial resolution Nº140-2010-MEM/AAM given on April 23th 2010, the first modification of Quellaveco project EIA was approved meeting the technical requirements for the Peruvian Ministry of Energy and Mines and the environmental local regulations.

Source: Peruvian Ministry of Energy and Mines

The Environmental Impact Assessment (EIA) covers areas such as environmental base line including physical, biological and social aspects, description of potential environmental impacts as well as environmental management plan are also included on the studies.

According to directorial resolution Nº174-2013-MEM/AAM given on May 31st 2013, Peruvian Ministry of Energy and Mines approved EIA of Manual Sanitary Landfill Solid Waste Accumulation New Quenamari "San Rafael" project.

Source: Peruvian Ministry of Energy and Mines