Basic of radiation and contamination control of construction heavy machines

Kawatsuma, Shinji

Accidents at Fukushima Nuclear Power Station occurred on March 11th, 2011, and many construction heavy machines have been deployed. Maintenance task is very important for keeping those machines normal. However, it is subject that those machines are contaminated by radioactive materials. This paper overhaules affects to human by radiation as "basic of radiation" and show that the affects, by less than 100 mSv radiation, is little. Also, this paper introduce practical example of contamination control of construction heavy machines, in order to reduce radiation exposure to workers for maintenance, and overhaules methods of contamination control.