The Optimization of Radiation Protection in the Design of the High Temperature Reactor-Pebble-Bed Module

Table 3

The annual work durations and dose rates of RPV, SG, and helium circulator.

	Work position	Work duration	Dose rate	Collective dose
		(man-hours)	(mSv/h)	(man-Sv/a)
RPV	1	15	3.50	199.05
	2	15	3.63
	3	30	1.78
	4	10	3.87
SG	1	50	0.91	62.82
	2	50	0.23
	3	50	3.89 × 10^−4
	4	50	0.12
Helium circulator	1	20	0.95	54.02
	2	10	1.75
	3	10	1.75