Tunnel Excavation Worker
とんねるくっさくさぎょういん
Industry & Occupation
Classification
Summary
Construction technician who excavates tunnels using shield machines, drill jumbos, etc., and installs support structures and ventilation equipment under safety management.
Description
Tunnel excavation workers use methods such as shield machines, drill jumbos, and blasting excavation to excavate tunnel structures for roads, railways, water supply, etc. Based on geological survey results, they select excavation methods, ensure face stability, and perform safety management including ventilation, drainage, and support installation while proceeding with the work. They divide a wide range of tasks such as heavy equipment operation, support work, surveying, and lining construction support among the team, managing schedule, quality, and safety. Much of the work is in underground environments, requiring knowledge and attention to prevent oxygen deficiency and disasters.
Future Outlook
Stable job openings are expected due to increasing demand for infrastructure maintenance and renewal, while labor shortages and the introduction of automation technologies will increase the market value of workers with advanced safety management and machine operation skills.
Personality Traits
Able to appropriately assess dangers / Calm demeanor / Good team player / Physically fit / Strong sense of responsibility
Work Style
On-site work / Outdoor work / Possibility of long hours / Shift work / Team work
Career Path
Excavation Operator → Site Agent Assistant → Civil Engineering Construction Manager → Construction Supervisor → Project Manager / Site Agent
Required Skills
Blasting Excavation Techniques / Heavy Equipment Operation / Safety Management Knowledge / Support Structure Installation / Surveying Techniques
Recommended Skills
Basic Geological Knowledge / CAD (Construction Drawing Interpretation) / English (For Overseas Projects) / Machine Maintenance / NATM Method
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Adaptability | Necessary to flexibly respond to changes in geological conditions and construction methods. |
| Attention to Detail & Accuracy | High attention to detail is required because small mistakes can lead to serious accidents. |
| Physical Stamina & Endurance | Physical stamina is needed to endure long hours of heavy labor and underground work. |
| Problem Solving | Required due to the need for quick response to geological changes and machine troubles. |
| Stress Tolerance | High stress tolerance is required for confined space work and heavy equipment operation. |
| Collaboration & Teamwork | Team coordination is essential for safety assurance and efficient work. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Less opportunity to demonstrate creativity as work follows established procedures. |
| Numerical & Quantitative Analysis | Advanced numerical analysis is minimal; basic surveying skills are sufficient. |
Related Qualifications
- Slinging Operation Training Course
- Small Mobile Crane Operation Training Course
- Special Education for Excavation Work in Rock Formations
- Special Education for Oxygen Deficiency Hazard Work
- Vehicle-Mounted Construction Machinery Operation Training Course
Aliases
- Excavation Worker
- Shield Machine Operator
- Tunnel Worker
Related Jobs
- Adit Excavation Worker
- Civil Engineering Construction Manager
- Civil Engineering Laborer
- Shield Machine Operator