Underground Concrete Worker (Dam and Tunnel Construction)
こうないコンクリートこう（ダム・トンネルこうじ）
Industry & Occupation
Classification
Summary
Civil engineering worker specializing in concrete placement and repair work in underground environments. Handles formwork installation, rebar assembly, concrete placement, and finishing inside dams and tunnels.
Description
Underground concrete workers handle the entire process from formwork installation, rebar assembly, placement, curing, and finishing of concrete in the internal spaces of dams and tunnels. They work in confined spaces, high places, and narrow areas, thoroughly ensuring safety and quality control. They need to understand basic knowledge of concrete mix design, construction procedures, and safe use of equipment, and perform tasks efficiently and accurately.
Future Outlook
Demand remains stable due to ongoing infrastructure aging countermeasures and new dam/tunnel construction. Trend toward requiring advanced quality control capabilities due to stricter environmental regulations.
Personality Traits
Cautious / Physically Fit / Strong Sense of Responsibility / Team-oriented
Work Style
Indoor/Outdoor Work / On-site Work / Physically Demanding Work / Shift Work
Career Path
Underground Concrete Worker Apprentice → Underground Concrete Worker → Chief Technician → Site Supervisor → Civil Engineering Construction Management Technician
Required Skills
Concrete Placement / Concrete Strength Management / Rebar Assembly / Safety Management / Shoring Installation
Recommended Skills
Basic CAD Operation / Basic Surveying Knowledge / Civil Engineering Construction Management / Continuous Learning
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Adaptability | Need to flexibly respond to changes in underground environments or weather conditions. |
| Attention to Detail & Accuracy | Errors directly affect the quality and safety of structures. |
| Physical Stamina & Endurance | Requires heavy labor and long hours of standing work. |
| Stress Tolerance | Need to continue working calmly in confined/high places or under pressure. |
| Collaboration & Teamwork | Much work in confined spaces where collaboration directly impacts safety. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Creativity is less emphasized than routine tasks in accurately following set processes and procedures. |
| Numerical & Quantitative Analysis | Mix control is often handled by specialized software or managers. |
Related Qualifications
- Chief Concrete Technician
- Civil Engineering Construction Management Technician
- Concrete Technician
Aliases
- Tunnel Concrete Worker
- Underground Concrete Construction Worker
Related Jobs
- Formwork and Shoring
- Heavy Equipment Operator
- Shotcrete Worker
- Tunnel Worker