Dam and Tunnel Excavation Worker
だむ・とんねるくっさくさぎょういん
Industry & Occupation
Classification
Summary
Specialized worker who performs excavation and underground work for dams and tunnels, using heavy machinery and tools to advance through bedrock and soil, and handles safe support structures and spoil removal operations.
Description
Dam and Tunnel Excavation Workers engage in specialized excavation of bedrock and soil at dam and tunnel construction sites. They operate heavy machinery and tools such as rock drilling machines, blasting, and shield machines, handling shotcrete and support structure installation for face stabilization, drainage and ventilation work, and excavated soil removal. Safety management in harsh work environments and teamwork are crucial, requiring flexible responses to changes in soil conditions and groundwater levels.
Future Outlook
Due to infrastructure development and aging countermeasures, a certain level of job openings is expected, but securing young workers is a challenge. Work styles may change with the introduction of shield machine automation and remote operation technology.
Personality Traits
Cautious / High Safety Awareness / Physically Fit / Team-Oriented
Work Style
Career Path
Dam and Tunnel Worker → Lead Excavation Worker → Site Agent (Site Supervisor) → Civil Engineering Construction Manager → Consultant
Required Skills
Rock Drilling Machine Operation / Shield Machine Operation / Spoil Removal and Drainage Work / Support Structure Installation / Vehicle-Type Construction Machinery Operation
Recommended Skills
Basic Knowledge of Soil and Ground Conditions / Concrete Spraying / NATM Method / Surveying Equipment Operation
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Adaptability | Adaptation to unexpected environmental changes such as geological and water level fluctuations is required. |
| Attention to Detail & Accuracy | Because missing small signs can lead directly to accidents. |
| Physical Stamina & Endurance | High physical stamina is required for heavy machinery operation and prolonged standing work. |
| Problem Solving | Need to respond quickly to changes in underground conditions or trouble occurrences. |
| Stress Tolerance | Need to endure work in harsh environments such as confined spaces, noise, and high places. |
| Collaboration & Teamwork | Essential for coordinating with numerous workers to proceed safely and efficiently. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Excavation work follows set procedures, so opportunities for creative thinking are limited. |
| Numerical & Quantitative Analysis | Complex mathematical calculations are few; mainly basic surveying and quantity estimation. |
Related Qualifications
- Confined Space Work Special Education
- Rock Drilling Machine Handling Supervisor
- Slinging Skills Training
- Vehicle-Type Construction Machinery Operation Training
Aliases
- Excavation Worker
- Underground Worker
Related Jobs
- Civil Engineering Construction Manager
- Civil Engineering Worker
- Shield Machine Operator