Fig. 11. Horizontal Cross-section of the Reactor

1- Fuel assemblies 2- Graphite reflectors 3- Core vessel … 5- Detector tubes … 7- Cooling water inlet 8- Inner irradiation space 9- Irradiation tunnel … 11- Heavy concrete door 12- Reactor vessel 13- Protective cylinder 14 Horizontal channel protective jacket 15 Horizontal water lock 16- Protective tube 17- Iron plug … 20- Heavy concrete 21- Normal concrete 22- Radial horizontal channels I., II., III. and IV 23- tangential channel V. 24 – Hot cell service area