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GEOTECHNICAL SERVICES

Hammering of steel sheet piles using vibration hammers, pressing of steel sheet piles, driving steel sections, installation of displacement piles FDP, SDP, CMC, installation of large diameter piles, jet-grouting, DSM columns, Berliner walls, CFA piles, ground anchors, micropiles.
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ROAD AND RAILWAY CONSTRUCTION

Comprehensive earthworks, land levelling, various types of foundations, superficial or underground drainage, soil replacement and ground strengthening, repair of dirt roads and macadam roads, as well as railways, repair of bridges and viaducts, demolition of roads and buildings and paving.
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WATER AND SANITARY ENGINEERING

The construction of large diameter pipelines for industry, water mains, storm water drainage and sanitary sewage systems, retention reservoirs and pumping stations. Welding and fusion welding of PE-HD pipes, TV pipeline inspection services, comprehensive earthworks, drainage and land melioration.
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TRENCHLESS ENGINEERING

Ramming, drilling, microtunnelling, excavation-free renovation of pipelines using static cracking (burstlining), long relining, close fitting.
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Projects

Ostrava Airport
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Hospital in Ostrava
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Esbjerg, Denmark
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Drainage Construction Company "TOLOS" operates continuously since 1997. We offer a wide range of services in the fields of geotechnics, water and sanitary engineering and road and railway construction.
We specialize in comprehensive protection of deep excavations by driving steel sheet piles, steel sections and building Berliner walls in different technologies.

Our modern facilities and qualified staff and engineering professionals allows us to perform even the most challenging projects.

With our constantly expanding machine park we are able to realize the most demanding projects in the field of geotechnics, water engineering, drainage works, sanitary sewage and rain water drainage systems, microtunelling, drainage of the ground and road and railway construction.

THEY TRUSTED US: