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Project Operations Manager of The Metro Line
The movement-focused design of the Tiger Mobil Drill allows it to deliver optimal performance even in narrow and challenging environments, enabling us to stay aligned with other phases of the project and our timeline.
Tunnel and Shaft Wall Stabilization in Metro Construction Site with the Tiger MOBIL DRILL
Client Profile:
Infrastructure construction company responsible for the metro line construction in Bulgaria.
Objective:
To ensure the timely completion of the project and the safe operation of the metro line by stabilizing the shaft tunnel walls and implementing advanced protection systems for the other inclined surfaces within the project.
Operational Challenge
Key Obstacles:
- Speed and Efficiency: As large tunnel boring machines shaped the metro line, fast and effective solutions were required to maintain project continuity.
- Limitations of Traditional Stabilization Methods: Conventional stabilization techniques offered limited efficiency in narrow and hard-to-access areas, leading to extended working times.
- Equipment Positioning Issues: Positioning and safely operating large drilling machines in confined spaces posed a significant challenge.
These challenges not only threatened worker safety but also created risks for the timely completion of the project.
SET MAKINA’s Solution
SET MAKINA recommended the Tiger MOBIL DRILL pneumatic drilling machine for the project.
- Safe Operation: Pneumatic drilling enables safer operation in steep and hazardous conditions compared to hydraulic machines, significantly improving worker safety.
- High Precision: Its robust mechanical structure allows for fast and highly precise drilling. Maintenance and spare-parts costs are lower compared to hydraulic systems.
- Mobile Design: Easy to position in enclosed and hard-to-reach areas, ensuring efficient and uninterrupted operation.


➕ Next Steps
Need reliable equipment for slope stabilization or tunneling? Our Construction and infrastructure drilling machines are essential for these tasks. Talk to our experts.
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Note: Client name and site identifiers have been modified for confidentiality. All performance observations reflect actual field usage and direct operator feedback.
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