In response to the needs of the industrial construction sector, HLI has launched an engineering division responsible for underground structures and industrial pipelines constructed using the microtunneling method. Our team holds the required certifications, experience, and references in technical consultancy and work supervision, which makes us ready to operate at every stage of the investment process.
Thanks to the use of microtunneling technology, it is possible to construct pipelines with diameters ranging from 300 mm to 4000 mm over distances of up to several hundred meters without the need for open excavation along the entire route. At HLI, we primarily focus on specialized works, providing personnel for the operation of Herrenknecht machinery and carrying out a range of activities that support the successful and safe execution of projects.
Among the microtunneling services provided by HLI are:
- Providing a team of qualified workers for the assembly and operation of drilling machines,
- Construction of pipeline installations,
- Installation of retaining walls and jacking stations,
- Installation of sealed passage structures in launch and reception shafts,
- Installation and dismantling of tunnel installations supplying the drilling shield,
- Installation and dismantling of intermediate jacking stations,
- Crane operations,
- Regeneration of components such as drilling shields and slurry pumps.
as well as the construction of:
- Protective pipelines for networks operating under pressure such as steam, gas, and water,
- Water tanks for fire protection purposes,
- Cooling water collectors for power plants,
- Distribution collectors for geothermal well water,
- Retention tanks for large warehouse areas,
- Technical corridors for new energy and communication networks,
- Drainage collectors for facilities that, for technological reasons, must be constructed below the groundwater level,
- Stormwater discharge collectors,
- Supply collectors for industrial plants,
- Demolition of worn-out or unnecessary structures.
Our overriding objective is to ensure high standards of quality and safety in the execution of the work we perform. To carry out our tasks, we engage the best specialists with many years of experience in implementing the proposed technical solutions.
