We fabricate and install while the plant keeps running.

Mechanical works, piping and civil works for large-scale mining, energy and infrastructure. Without stopping operations, to the client’s standard.

ISO9001
Quality management system certified by IRAM, with IQNet recognition.
IRAM RI 9000-14832 · IQNet
2018
Working on projects for large-scale mining, energy and infrastructure ever since.
Codelco · Bechtel · Ferrostaal · Copec · GNL Quintero · Esval
3
Offices: head office and sales office in Viña del Mar, fabrication shop in Calama.
Head office in Reñaca · Montemar office · Puerto Seco shop
9
Top-tier clients: Codelco, Bechtel, Ferrostaal and Copec, among others.
Mining · Energy · Toll roads · Water utilities
01 · News

The latest from the site.

Project progress, dispatches from the shop and community activities. Every story has its own page.

All news
See all news

We work where operations cannot stop. Smelters, plants and terminals that keep running. Every lift, every weld and every shift is coordinated with the client so that operational continuity is never compromised.

Overhead light across the Potrerillos smelter building, with LTF workers

From our fabrication shops to the client’s plant: we fabricate, install and maintain with qualified processes and crews trained for the demands of heavy industry.

The job goes well when the people doing it are aligned with the standard of the company and the client. We train our people for that, every day.

LTF Montajes Industriales & Construcciones SpA
About LTF
03 · Projects

Projects delivered while the plant keeps running.

Twelve projects for Codelco at Chuquicamata, Ministro Hales and Potrerillos: from fabrication in our shops to installation at the plant.

All projects
Fig. 01 · LTF shop · 2025
Codelco, Chuquicamata Division · LTF shop

Boiler tube banks for the Chuquicamata smelter

Fabrication at the Concón shop of boiler tube banks for the convection section of the Chuquicamata smelter boiler, from the receipt and inspection of the A192 tubes to the escorted dispatch of boiler bank No. 6.

  • 13 t Weight of boiler bank No. 6
  • 80 t Capacity of the lifting crane
  • +1,000 Boiler tube welded joints
  • 6 to 7 months Fabrication, certification and dispatch
View the project sheet
Fig. 02 · Potrerillos smelter · 2025
Codelco, Salvador Division · 2025

Crane maintenance and rail replacement at the Potrerillos smelter

Maintenance of the PH cranes in the smelter building, rail replacement, and fabrication and erection of structures at the Potrerillos smelter of Codelco Salvador, with a workforce of 75.

  • 75 Workers on the job
  • PH cranes · Rails Maintenance and replacement in the smelter building
  • Potrerillos smelter Codelco Salvador · Atacama Region
View the project sheet

Site record

One photo per project · Codelco, Chuquicamata and Potrerillos
Chuquicamata smelter · Casting wheel in operation
Ministro Hales precipitator · Aisle between the collecting plates
Potrerillos smelter · Outdoor walkway and smelter stack
Flash Furnace, Chuquicamata · Copper circuits arching over the manifold
Chuquicamata smelter · Work at height on the rail
Acid plant, Chuquicamata · Conical bottom of a plant vessel
LTF shop · Crane and truck next to boiler bank No. 6
Chuquicamata boiler · Crew on the tube panels
Chuquicamata smelter · Installing a section of the oxygen lines
Dryer 6, Chuquicamata · Inside the dryer with the coil sections
Chuquicamata smelter · Smelter structures at night
01 / 11 · Chuquicamata smelter · Casting wheel in operation
04 · Services

Five disciplines, one standard.

From the shop to the client’s plant: we fabricate, install, maintain and inspect with qualified processes. Scroll to advance.

01

Mechanical works

Mechanical fabrication and installation in our shop and at the plant, with qualified welding procedures and crews trained to work in running facilities.

DS 160 · API 650 · API 653 · GMAW · GTAW · FCAW · SMAW · STT
View the service
02

Piping

Prefabrication, field fabrication and installation of steel and HDPE pipe for fluid transport in plants, terminals and infrastructure.

HDPE butt fusion · Electrofusion
View the service
03

Civil works and electrical & instrumentation

Civil and electrical & instrumentation works in support of industrial installation, carried out under the coating and safety standards that heavy industry requires.

SSPC SP5 · SP6 · SP7 · SP10 · Layher
View the service
04

Plant maintenance

Maintenance services for industrial plants, including the recovery of critical components by arc spray and HVOF metallizing.

Arc spray · HVOF · PMET 273
View the service
05

Inspection and technical assistance

On-site inspection and technical assistance, from engineering review and material verification to final acceptance by the client.

Qualified personnel
View the service
Lifting maneuver outside the Potrerillos smelterValves and lines of the Flash Furnace cooling systemLadle enclosure panels in the Flash Furnace buildingChuquicamata acid plant during maintenanceSupervision on the casting wheel during installation Fabrication and installation of piping, structures, equipment and tanks.
Beyond the site · Concón

Copa Soñar 2025. A healthy, sporting and family space for the boys and girls of Concón.

+22teams
+250boys and girls

Together with Club Caleta Huracán, LTF has sponsored this tournament for years and supports the workshops and activities the club funds for young athletes in the district.

Read the Copa Soñar story
05 · About

Quality is not declared. It is certified.

ISO 9001
2015 version · Quality management · IRAM certificate RI 9000-14832 · IQNet recognition
Health and safety

Lead, identify and control

Continuous training and a culture of self-care in every worker, with the commitment of senior management and line management to comply with internal policies and current legislation.

Environment

Comply and improve

Specific procedures for each activity, identification and mitigation of the associated risks, and ongoing environmental awareness across our teams.

Quality

Full dedication

Commitment, quality and safety above all: timely response, effective solutions and continuous improvement to meet the client’s requirement on schedule and to standard.

  • Head officeReñaca · Viña del Mar
  • Sales officesViña del Mar
  • Fabrication shopCalama · Puerto Seco
  • Industrial warehouseOwn equipment
About the company

“The main thing in the company is that we work as a team, and that is what we try to do every day.”

Mechanical advisor · Structural erection · LTF · Translated from Spanish

06 · Clients and credentials

Serving large-scale mining, energy and infrastructure.

Clients that demand certification, safety and operational continuity. Verifiable credentials for tender processes.

IRAM ISO 9001:2015 certificate with IQNet recognition

Certified quality management system

IRAM-ISO 9001:2015 · Registration RI 9000-14832 · IQNet Certified Management System

07 · Contact

Let’s talk about your next project.

Received. We will reply within one business day.

  • Head office

    Camino Lajarillas, Sector Hacienda Reñaca, Parcela 744 · Viña del Mar

  • Sales office

    Av. Bosques de Montemar 65, of. 905 · Viña del Mar

  • Branch office and fabrication shop · Calama

    Sitio Mz 16, Calle Jilberto Gómez Contardo, Barrio Industrial Puerto Seco · Calama

+56 9 9431 6903 [email protected] Monday to Friday, 08:00 to 18:00
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