Underground Backfill Worker
こうないじゅうてんいん
Industry & Occupation
Classification
Summary
Worker who transports, mixes, and injects backfill material in underground tunnels to seal post-mining voids, ensuring tunnel safety and ground stability.
Description
Underground backfill workers transport, measure, and mix cement-based backfill materials and crushed stone into underground tunnels, and inject them into void areas using pump devices and pressurized injection equipment to maintain tunnel safety. They also handle dust control measures and ventilation associated with backfilling operations, use safety equipment, manage material quality, and are required to perform accurate work based on operational plans in coordination with the team.
Future Outlook
While limited job openings continue due to domestic mining and tunnel construction demand, there is potential for the introduction of automation and labor-saving technologies.
Personality Traits
Cautious / High concentration / Physically fit / Strong sense of responsibility / Team-oriented
Work Style
Career Path
Apprentice Worker → Underground Backfill Worker → Underground Worker → Site Supervisor → Construction Management Technician
Required Skills
Accurate Work Execution Based on Work Plans / Backfill Material Measurement and Mixing / Pump Operation / Safety Management (Dust Control and Ventilation Management) / Use of Safety Equipment (Underground Tunnel Work)
Recommended Skills
Construction Vehicle Operation Skills Training / Forklift Operation Skills Training / Slinging Skills Training
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Adaptability | Quick adaptation to changes in tunnel environments and work conditions is necessary. |
| Attention to Detail & Accuracy | Deviations in backfill volume or mixing ratios directly affect safety. |
| Physical Stamina & Endurance | Handling heavy materials and prolonged standing work require physical stamina. |
| Stress Tolerance | Work in deep areas and dusty environments involves significant mental and physical stress. |
| Collaboration & Teamwork | Work is performed in coordination with multiple workers. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Routine tasks are the main focus, and little creativity is required. |
| Numerical & Quantitative Analysis | Quantitative calculations are often handled by site supervisors. |
Aliases
- Backfill Worker
- Underground Backfill Operator
Related Jobs
- Coal Mining Worker
- Tunnel Safety Worker
- Underground Surveyor
- Underground Worker