Restricted Part-Time Jobs Involving Dangerous Work
The listed rules identify part-time jobs that are restricted because they involve significant danger, including hazardous materials, machinery, vehicles, construction, working at height, and heavy traffic.
Vehicles, heavy deliveries, and hazardous materials
The restricted-work listings include driving automobiles or motorcycles and delivering heavy items weighing 30 kg or more by bicycle. They also include handling high-voltage electricity, high-pressure gas, and other hazardous materials, including work as an assistant. The hazardous-materials work is restricted because a licence is required and the degree of danger is high. The vehicle-related work is associated with severe traffic conditions, a high risk of accidents, and the serious financial, mental, and legal consequences that may follow an accident.
Machinery operation
Operating automatic machinery such as presses, drill presses, lathes, and cutting machines is listed as restricted work involving danger. The listing identifies the possibility of accidents as a reason for the restriction.
Construction, height, and heavy-traffic work
The restricted-work listings include civil-engineering and waterworks-site work; construction-site work, building-collapse work, and clearing construction debris; and work for which wearing a helmet is required. They also include outdoor work at a height of two or more floors, such as window cleaning or equipment installation. Work inside railway tracks or on roads with heavy traffic is also restricted, including surveying, road-line painting, and traffic control.
Official sources
The following official Tokyo Denki University materials were used to prepare this page.
- 2025 Student Handbook — School of Engineering (2025 academic year) — PDF page 229
- 2026 Student Handbook — School of Science and Engineering (2026 academic year) — PDF page 246
- 2025 Student Handbook — School of Science and Engineering (2025 academic year) — PDF page 249