Cosapi Ingeniería y Construcción

Rehabilitation and improvement of Desvio Imperial - Pampas highway of 36.14 km length, 6.6 m width and driveway berms between 0.9 to 2 m..

The project involves excavating a volume of approximately 1 666 247 m3 , 39.4 km of ditches, 11.9 km of canals, a pontoon, walls, culverts and other works of art.

Source: Cosapi Ingeniería y Construcción

Execution of civil and mechanical works on the corresponding areas of secondary and tertiary crushers as well as setting up a vibrating screeners building for Expansion Project Cerro Verde.

It is estimated to consume 3.8 million man-hours using approximately 35,000 m3 of concrete and 44,000 tons of equipment among structures, pipes as well as 14,000 meters of deep grounding.

Source: Cosapi Ingeniería y Construcción

Development of engineering services to provide support for the pre-feasibility study carried out by the customer.

Services include: Review of infrastructure facilities and services, camps, warehouses, truck shops, roads, bridges, irrigation and other offices.Mining engineering support for both conceptual and design studies including optimization of pits, haul roads, design of dumps, mining plan optimization, cost optimization and studies of alternatives.

Development of design for improving existing camp services, project management and engineering management, QA and engineering field development as well as drawings building.

Source: Cosapi Ingeniería y Construcción

Cosapi performs mechanical assembly works on crushing, grinding, flotation and thickeners areas of the main processing plant in Constancia mine. The project will be implemented as a single contractor, a full benefit plant of a large mining concentrator with a capacity of 70,000 tonnes per day.

The contract includes the construction of the crushing zone (1,600 x 3,000 mm), a stock-pile, a claim belts and shakers system, two SAG mills of 36 feet in diameter and 24 feet long; two ball mills of 26 feet in diameter and 40 feet long, a system of 14 and 12 vertical cells rougher and scavenger flotation respectively; systems and various ancillary reagents.

Source: Cosapi Ingeniería y Construcción

The project involves the development of a concentrator plant and respectives facilities for the processing of polymetallic ores at a rate of 2,000 tonnes per day in order to produce concentrates of copper, lead, zinc and silver.

The service includes the execution of civil works which comprises construction of foundations, retaining walls, construction of industrial buildings and additional buildings, as well as installation and assembly of electromechanical works corresponding to the area of ​​crushing and grinding.

The crushing and grinding are includes the primary, secondary, tertiary crusher. The floatation zone area includes lime plant and reagents. The thickening-filtering zone, energy facilities and water necessary for the operation and processing plant is considered in the construction.

Source: Cosapi Ingeniería y Construcción

Construction of mining roads services for Las Bambas mining project.

Construction of mining roads of 35m wide shaped by cutting through massive bombing and stuffed with material from the cut. The works are complemented by works of art for surface drainage of the environment.

Source: Cosapi Ingeniería y Construcción

Includes detailed engineering and construction of water storage system for the construction of future project works. The project was awarded to the Consortium Cosapi - Mas Errazuriz.

The project includes four pools for storing 380,000 m3, intake, sand trap, intake pumps, pumping chamber, 2.3 km driveline AC24, 5.8 km gravitational line-HDPE30, decanting tank, electrical and automation rooms.

Source: Cosapi Ingeniería y Construcción

The work consists on having constructed the system of underground galleries for the subsequent operation of the mine. Two tunnels and a bypass will be built.

The tunnels will depart from two doors located in the Quebrada Patarí, the first is called Cruise 4300 with a total length of 1,680m and slope of 5/1000.

Source: Cosapi Ingeniería y Construcción

A consortium comprised by Cosapi and GyM was hired to implement structures assembly, piping and wet area equipments on Toromocho concentrator plant project.

The consortium installed 01 SAG mill (40'x26'), 02 ball mills (28'x44'), 2 vibrating screens (14'x28') and 28 Rougher flotation cells (Diameter 9m H= 7m, V= 300m3)

Source: Cosapi Ingeniería y Construcción

The work consists on having constructed the system of underground galleries for the subsequent operation of the mine. Two tunnels and a bypass will be built.

The tunnels will depart from two doors located in the Quebrada Patarí, the second one is called Ramp 4400 with a total length of 990m and slope of -86/1000.

Source: Cosapi Ingeniería y Construcción

The project involves the installation of two pipelines, each of which consists of approximately 30 termobonded-ends spools of HDPE 18 "x 96m and 1,700 m of carbon steel pipe ASTM A53 Gr B 16 "Sch. STD with beveled ends.

Source: Cosapi Ingeniería y Construcción

Civil, mechanical, electrical and instrumentation works on Pucamarca Unit processing plant, the service includes construction of extraction and production gold plant along with all its related plants necessary for their operation.

Source: Cosapi Ingeniería y Construcción

The project consists of extending the tunnel Decant a length of 70m, in order to execute these tasks, water coming through the UCDC and entering the tunnel has to be diverted.

The project also includes the installation of a new pumping pipeline from Collection pumping station to the Booster station, station that shall be protected using a reinforced concrete pipeline.

Source: Cosapi Ingeniería y Construcción

Engineering for urban set up of the new city Fuerabamba. Special feasibility studies also were developed considering planning of urban areas along with all specialties according to customer's requirement.

Source: Cosapi Ingeniería y Construcción

In order to maintain production plant, during the SAG mill shutdown to change its stator, Minera Antamina devised an alternative system that would set a By Pass to the grinding process, deriving flow of SAG mill to feed directly into ball mills.

The Bypass passes through three specific areas, tripper, vibrating equipments and crusher and grinding area. Its realization demanded the execution of civil, mechanical, electrical and instrumentation works. The main equipments set were two vibrating screens, a cone crusher and three conveyor belts.

Source: Cosapi Ingeniería y Construcción

Assembly work of various machineries including: 2 cranes, 6 cooling towers and two smelters, additional installation of 728 tonnes of structures and 9,500m of pipe.

Antacid coating of 23,000m2 was also performed. In regards to the specialties of electricity and instrumentation, laying and connection of 51,000m of power and control cables as well as 24,000m of instrumentation cables was performed.

The main areas of work were the new cell house, molding building, Zinc and Powder building and a demineralized water plant.

Source: Cosapi Ingeniería y Construcción

Developed by Doe Run as part of its commitment to improve emission standards circuit lead smelting, within the framework of the Environmental Adequacy.

Source: Cosapi Ingeniería y Construcción

Project developed by Minera Chinalco in order to remedy the pollution of Yauli river waters before having Toromocho project executed.

Cosapi was in charge of design, procurement, construction, equipping and commissioning of civil and electromechanical works for the Acid Water Treatment Plant Kingsmill Tunnel, which consists of a clarifier, a feed tank, tank reactors, pools sludge, a pool of emergency, a building process, adduction line and a transmission line .

Source: Cosapi Ingeniería y Construcción

This project comprised the execution of civil and mechanical works for the Liquefied Natural Gas Plant Peru LNG Melchorita, which will allow this country to export natural gas from Camisea.

The civil works included the placement of 26,000m3 of concrete in foundations, slabs, elevated structures and other minor structures. The mechanical works included the installation of 15Km of underground HDPE, UPVC and glass fiber pipelines corresponding to the systems of firewater, drinking, drainage and sewage waters.

Additional works were performed such as the design and construction of the jetty loading electrical substation, the installation of perimetrical fences and the asphalt works on the main roads.

Source: Cosapi Ingeniería y Construcción

Project works included construction of concrete and grounding systems, electromechanical assembly work for the new processing plant related to the new 5,000 tmd concentrator plant and access road Jahuay-Cerro Lindo section 1.

Source: Cosapi Ingeniería y Construcción

First contract involving the construction of a new intake structure seawater which continuously pumps seawater to the Ilo smelter.

The second contract includes the works for the installation of 5,100 tonnes of steel structures, 3,225 tonnes of equipment, piping, electrical systems and instrumentation up to the "Mechanical Completion", which highlighted the assembly of the new furnace Isasmelt, first of its kind in Latin America .

Source: Cosapi Ingeniería y Construcción

The scope of work includes the construction of a grinding system, transport and stacking of ore for leaching. It includes the construction of fixed crushing system to then transport the ore by a combined system of belt conveyors. Stacking and distribution is made towards two streams where low grade sulfide ore deposits are formed to then be leached.

Its includes the building construction that will house the crusher, excavations with a volume of 80,000 m3 and fillings with a volume of 30,000 m3 were performed for such construction.

320,000 m3 volumen of earthmoving works are executed for the installation of a conveyor belt. Excavations were carried by a volume de 75,000 m3 for the construction of a transfer tower which starts the mineral stacking system.

Source: Cosapi Ingeniería y Construcción

Engineering, procurement and construction (EPC) for the laying of four subsea pipelines to transport propane, butane, naphtha and diesel from Pisco Fractionation Plant to the loading dock marina located 3.2 km offshore.

The service includes basic, detailed and field engineering service, equipment and material procurement, 20"x24" pipe-in-pipe fabrication, thermofusion welding for HDPE pipe flotation system, 3.2 km subsea excavation from the coast to the loading berth, land and sea technical support during launch operations

Source: Cosapi Ingeniería y Construcción

The project included the engineering, procurement and construction management of the following works in the Antamina mining complex:

A Permanent camp for 5,000 people, a concentrator plant of 70,000 tons/day, tailings dam 232 m high, Conococha - Yanacancha road (120 km), transmission line 220 KV (60 km), 300 km pipeline from Yanacancha to Huarmey, port to export Huarmey concentrates.

The project used 15 million direct man-hours in construction and 5,000 people at the peak of work.

Source: Cosapi Ingeniería y Construcción