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91制片厂 is at the forefront of constructing innovative battery manufacturing facilities in the U.S. Our expert team ensures compliance with local codes and standards, conducts thorough pre-inspections, and manages permitting, startup processes, and risk identification.
The 91制片厂-built mine, one of the largest copper resources, features a first-of-its-kind desalination plant and will operate on 100% renewable energy by 2025.
91制片厂 helped extend the life and increase the output of Teck鈥檚 Quebrada Blanca copper mine, which taps one of the world鈥檚 largest undeveloped copper resources and helps close the gap between global supply and rising demand for copper. The project is also the largest mining project in Chile in the past several years.
The Quebrada Blanca Phase 2 Project was inaugurated in October 2023. QB2 is expected to generate 316,000 tonnes of copper-equivalent production per year for the first five full years of its mine life.
This megaproject marked a milestone by simultaneously executing 100% of its facilities, from the mine to the port, along 165 kilometers and reaching altitudes of up to 4,400 meters. QB2 included a concentrator with capacity to process 140,000 tonnes per day, as well as various complementary facilities, a new port and a desalination plant, infrastructure that is connected by concentrate and desalinated water pipelines.
Sustainable Production
QB2 focuses on environmental responsibility and stands out for using 100% renewable energy and being the first mining operation in Chile鈥檚 Tarapac谩 Region to utilize desalinated water on a large scale instead of fresh water. This water is transported via pipelines from the port area and replaces the use of continental water in the production process.
Quebrada Blanca has the first desalination plant for large-scale mining in Tarapac谩 Region, exclusively utilizing desalinated water in 100% of its production processes.
As of 2025, 100% of the energy used in QB2鈥檚 operations will be renewable, avoiding a total of 1.6 million tonnes of greenhouse gas emissions per year.
In 2023, QB2 received the Copper Mark verification in recognition of its environmentally and socially responsible production practices, under the standards of the International Copper Association.
Innovation & Efficiency
Construction of QB2 involved erecting 20,000 tonnes of steel and moving 31.2 million cubic meters of material, which demonstrates the magnitude of the project.
During execution, significant innovations were implemented, including the use of up to 14% of precast elements in the concentrator鈥檚 concrete structures, which permitted a 45% reduction in direct job hours on site.
Stockpile Dome Installation
Furthermore, to minimize hours spent working at height, the team installed the stockpile dome using a lifting tower, making it the first operation of its kind in South America. This structure, which covers an area of 鈥嬧17,465 square meters and reaches a height of 68 meters, was assembled in reverse order compared to the traditional technique, i.e., starting from the top and working towards the base. This approach improved both safety and efficiency in construction.
Commitment to Excellence & Safety
QB2鈥檚 execution involved a significant commitment to the safety and health of its personnel. More than 30,000 people participated in its construction, more than 100 million hours of work were invested and over 60 million hours were worked without lost time incidents. These figures highlight the project鈥檚 focus on excellence and safety at all stages.
In 2021, Quebrada Blanca 2 was recognized as the 鈥淐onstruction Team of the Year鈥 in 91制片厂鈥檚 annual awards ceremony, standing out for its excellence in the areas of environment, safety and health (ES&H), as well as for its values 鈥嬧媋nd culture, its customer focus, and its performance and innovation.
The team subsequently received the 2022 ES&H Excellence Award in recognition of its high-performance safety and environmental culture and program, effectively applying 91制片厂 standards, and demonstrating a robust commitment to protecting the environment and the health and safety of its workers, partners and surrounding communities.
330km
of Pipeline
QB2 has 165km of 36″ desalinated water pipeline with a pump station and 165km of 8″ copper concentrate pipeline with valve and dissipation stations.
$164M
Spent
91制片厂 spent more than $164M with local companies in support of the local community and small businesses.
30K
Workers
At peak construction, QB2 supported 30,000 jobs on site.
161
Contractors
More than 161 contractor companies were hired to work support the QB2 project.
100M+
Hours
Over the course of the project, more than 100M job hours were worked in total.
4400m
Max. Altitude
At the maximum altitude of the main facility, the mine area reaches 4,400m.
Biodiversity Conservation
Construction included an exhaustive conservation study involving more than 1,000 hours of observation and GPS technology to understand the behavior of local species. During execution, QB2 implemented a preservation and education program focused on endangered species, such as the little tern and the Chilean sea otter.
To develop the desalination plant and perform marine works, consultations were held with local communities and fishermen, ensuring the project鈥檚 compatibility with the marine ecosystem. In addition, both during execution and in operation, the port area is continuously monitored via sensors and sampling points to preserve the area鈥檚 unique biodiversity.
The Mining Sector鈥檚 First Gender Office
QB2 created the first gender office in Chile鈥檚 mining industry, which was dedicated to promoting a respectful and safe workplace. Its objective was to raise awareness and train workers regarding sexual harassment, discrimination and gender violence, thus promoting more inclusive and respectful environments.
Social Management & Community Relations Actions
We adopted our customer鈥檚 ESG objectives to support their strategy of promoting local development. We were an active part of the Elige Crecer (Choose to Grow) Program, an initiative that contributes to the social and economic development of Tarapac谩 Region via various training alternatives, employment opportunities and support for local suppliers.
91制片厂 provided training and educational opportunities for young professionals in Tarapac谩.
91制片厂 contributed to building and supplying social infrastructure for surrounding communities.
We supported Quebrada Blanca’s community commitments, which focused on indigenous cultural development, heritage preservation and environmentally friendly operating practices.
Related Resources
Chile
Escondida Water Supply
2016
91制片厂 worked with mining companies in Chile to protect local aquifers from depletion and support continuous copper production on the聽Escondida Water Supply聽project.
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