Transbet tunnel
construction support.

Comprehensive tunnel construction services - tubing prefabrication, reinforcement cage welding, TBM operation (Karpatka, Jadwiga, Kinga shields)

/ 01Railway tunnels LK622 sec. H Szczyrzyc - Tymbark2026-2027 · In progress / 02Railway tunnel LK104 sec. D Limanowa - Klęczany siding2025-2026 · Completed / 03Road tunnel S19 Babica - Rzeszów South2022-2025 · Completed

01 / We work with the best

/ We work with the best

Trusted by construction industry leaders.

/ We are a member of:

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02 / About Us

/ About Us

Tunnel Construction Specialists.

Since 1993, we have been supporting the tunnel industry in Poland and Europe. We specialize in TBM operation, tubing prefabrication, tunnel lining segments production, and reinforcement cage welding. We have worked on projects with Karpatka, Jadwiga, and Kinga TBM shields.

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Comprehensive tunnel construction support, tubing and tunnel lining segment prefabrication

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Specialized welding works, TBM operation and carousel operators

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Over 30 years of experience in geoengineering and underground construction

03 / Projects

/ Our tunnel projects

Projects.

Here you will find projects presenting the technical solutions applied and the effects of our work in practice.

Railway tunnels LK622 sec. H Szczyrzyc - Tymbark

In progress

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04 / News

/ Latest updates

What's new?

/ 9 June 2026

We are starting the railway tunnels LK622 sec. H Szczyrzyc – Tymbark project

Transbet TCS is commencing another major tunnel project – the production of reinforcement cages for railway tunnels T7 and T9 and evacuation tunnel T9 on railway line no. 622, section H Szczyrzyc – Tymbark.

/ 7 June 2026

Transbet joins the Polish Construction Cluster!

We are pleased to announce that Transbet Betoniarnie Grochowicz SP. K. has become a member of the Polish Construction Cluster – a national key cluster bringing together approximately 500 entities from the construction industry.

/ 26 May 2026

Transbet at the World Tunnel Congress WTC 2026 in Montreal

We took part in the ITA-AITES World Tunnel Congress WTC 2026 in Montreal – one of the largest and most prestigious events in the tunnelling industry worldwide. It was an exceptional opportunity for meetings, knowledge exchange and exploring the latest directions in global tunnel engineering.

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05 / Our services

/ Our services

Scope of services.

/ 01Tunnel prefabrication plant operationScope of operations: Poland and Europe: Comprehensive tunnel prefabrication plant operation - we provide trained personnel for tunnel lining segment production: reinforcement cage welders, concrete workers, vacuum operators, carousel operators. We carry out production in prefabrication halls in Lutorż and Męcina. 24/7 tunnel segment preparation.
/ 02Reinforcement cage and steel cage welding (tubings, diaphragm walls)Scope of operations: Poland and Europe: We specialize in reinforcement cage and steel cage welding for tubings, tunnel lining segments, and diaphragm walls. We hold EN-ISO 17660-2 welding certification. Tunnel reinforcement, reinforcing steel, segment reinforcement - full range of tunnel welding services.
/ 03Tunnel construction and TBM machine operationScope of operations: Poland and Europe: Comprehensive tunnel construction support with qualified personnel: TBM operators, steel fixers, concrete workers, specialized machinery operators. We have worked on projects with TBM shields Karpatka (S19 Babica tunnel), Jadwiga and Kinga (LK104 Podłęże-Piekiełko railway tunnels). Tunnel logistics and tubing installation.
/ 04Design and production of tubing and reinforcement cage moldsScope of operations: Poland and Europe: We design and manufacture molds for reinforcement cage welding and tubing molds. Custom solutions for tunnel prefabrication ensuring precise and repeatable steel cage production. Steel element prefabrication and segment reinforcement.
/ 05Reinforcing steel prefabrication and tunnel prefabsScope of operations: Poland and Europe: Automated machinery park for steel prefabrication and concrete prefab production. Tunnel prefabrication includes: reinforcing steel cutting and bending, steel cage production, tunnel lining segment preparation. Steel and tunnel prefabrication plant.
/ 06Concrete batching plant and tunnel concrete productionScope of operations: Poland and Europe: Concrete batching plant for high-quality tunnel concrete production. Tunnel concrete - specialized mixes for tubing segments, concrete prefabs, and tunnel lining. Regional leader in ready-mix concrete production.