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PROMET: Providing Award-Winning Workforce Housing in Chile & Beyond

South America is a mining powerhouse, producing a substantial amount of the world’s silver, copper, tin, zinc, lithium, and nickel, and the mining industry requires a substantial amount of infrastructure to operate. That infrastructure includes workforce housing and office space that modular builders such as PROMET provide.

PROMET is a family business based in Chile that has been in operation for more than 30 years. With a strong background serving the mining industry, PROMET also has a branch operating in the hotel industry, and another branch operating in Peru.

Providing A Variety of Services

According to Cristobal Schneider, CEO at PROMET, “Our typical clients are part of the mining industry, either mining companies or mining contractors. In addition, companies in the industrial and energy sectors use our services, due to our standards in terms of safety, food, and recreation areas, among others.”

As part of that commitment to managing work-focused hotels and camps, the company provides a variety of services. Those include hotel management, security, food service, cleaning, laundry service, periodic sanitation, and auxiliary rooms, among other things.

“We have built camps for more than 3,000 people, along with the auxiliary buildings necessary for their operation,” Schneider said. “In parallel, we can also build cafeterias, support buildings, offices and control rooms, among other facilities, all of which are modularized.”

PROMET’s Campamento Parque Eólico Horizonte Colbún (Horizonte Colbún Wind Farm Camp) won first place for Relocatable Modular Workforce Housing Over 10,000 Sq. Ft. in MBI’s 2023 Awards of Distinction.

PROMET’s Campamento Parque Eólico Horizonte Colbún (Horizonte Colbún Wind Farm Camp) won first place for Relocatable Modular Workforce Housing Over 10,000 Sq. Ft. in MBI’s 2023 Awards of Distinction. See the complete case study.

A Recent MBI Award Winner

One of PROMET’s recent projects was the camp for the Horizonte de Colbún wind farm. That project won first place for Relocatable Buildings over 10,000 square feet in MBI’s 2023 Awards of Distinction. The wind farm is located 105 miles southeast of the city Antofagasta, which is north of Santiago on the Pacific coast. The project took 426 days to complete and totals 141,000 square feet.

This was a typical project for Promet, Schneider said. Early coordination with the client, though, was beneficial for the company and was atypical. “We were able to get into the engineering and design process with the customer earlier,” Schneider said, “which made for a successful project in the manufacturing and assembly process.”

“The biggest challenge was building in the middle of the desert,” Schneider said, “without any type of services readily available. We had to generate a small service station in the middle of nowhere.”

For this project, PROMET designed, built, delivered, and installed 19 buildings. Five of those are dormitories made up of 280 modules and the rest, 150 modules, are for auxiliary services such as a water treatment plant, potable water, and electrical power generation.

The housing units provide room for one, two, or three people, and all of them include a private bathroom and basic amenities such as electricity, drinking water, and sanitation services. They also have internet service in the rooms and common areas, and air conditioning.

PROMET made use of prefabricated concrete foundations for the wind farm project. This technique minimized onsite construction work, Schneider said, saving time and money onsite. “The precast foundations we use at PROMET were produced in specialized workshops using ready-mix concrete and
modular formwork techniques. These foundations are designed for versatility and adaptability, making them suitable for a wide range of modular construction projects. Although their design can be adjusted to meet specific project requirements, their use provides significant advantages in terms of efficiency and speed of installation, especially on stable and well-prepared ground. Their high strength and reliability make them a reliable choice for various types of projects, ensuring a solid foundation for our modular buildings.”

The modules themselves were constructed in PROMET’s manufacturing facility in Santiago, then transported to the job site. Prior to setting the modules, the crew set up in the towns of Taltal and Agua Verde, which are approximately 30 miles from the construction zone. They then proceeded with sitework for the installation of drinking water, sewage, and electricity. Next came the installation of the prefabricated concrete foundations for the different buildings.

With that work done, the modules were delivered via truck and installed. The dormitory buildings can house 1,200 people and the auxiliary buildings handle the reception, administration, kitchen, dining rooms, utility functions, and game rooms.


Not Wasting A Drop

Chile’s Atacama Desert is one of the most arid regions on earth, and water is a precious resource. With that in mind, the Horizonte de Colbún wind farm includes a wastewater treatment system that purifies the water until it is suitable for irrigation. “In this sense, all the water consumed at the camp can be reused, either for dampening roads or for community use,” Schneider said. “This is relevant considering that this is an extremely arid context, which makes water a very precious commodity.”

Electrical needs for the camp are handled by a variety of systems, Schneider said. “An electrical power generation yard was developed for the entire camp, as opposed to previous projects in which there were several generators feeding individual isolated sectors. For this project, a study was conducted, and the decision was made to use larger and more powerful generators, saving energy and reducing fuel consumption. Other renewable energy systems were also incorporated, such as solar energy panels for parking lot lighting and automatic on/off sensors for lighting in certain areas.”


Modular Growth In Chile

As in North America, a variety of factors are challenging builders to keep up with demand in Chile, Schneider said. In addition, the modular industry has grown significantly in recent years. “The new challenges that are across industry, such as climate, regulations, lack of skilled labor, related costs and the constant search for time and cost efficiency have accelerated the incorporation of new ways of building,” she said. “This phenomenon has been developing particularly in Chile in recent years, driven mainly by regulatory issues, the current housing shortage, climatic conditions, logistical difficulties and accessibility of some projects and high labor costs,” she said. All those variables have significantly accentuated the problems of the construction industry and undoubtedly will continue to be concerns in years ahead, she added.

Looking Ahead

As in North America, Schneider said modular construction is becoming more attractive as a cost-effective alternative in different projects today. “For most it’s a technical/financial evaluation initially,” she said. “The current housing shortage in the region, which is growing year by year, coupled with the constant and intensive technical/regulatory requirements that exist today in South America—more markedly in countries such as Brazil, Chile, Colombia and Peru—are trends that have been growing and incorporated year by year in other regional countries’ agendas lead us to believe that this type of construction system is a real need and will be fundamental to achieving crucial industry requirements.”

Preparing for the Future

Schneider said PROMET sees robust growth and opportunities, along with some challenging market conditions ahead. “Our initial focus is on the area of engineering at the height of its needs,” Schneider said, “capable of solving diverse and multiple types of projects, thus becoming real partners with our clients while focusing on efficiency and technology in our production plant, which must be in line with those needs and respond to the demands of the market.”

About the Author: Steve Hansen is a Colorado-based writer with a focus on the built environment—architecture, construction, renewable energy, and transportation. He can be reached on LinkedIn.

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