PURPOSE: To obtain a method for constructing precisely, quickly and safely a fitting body of a control device for fitting a hydrocontrol unit which is the control device of a control rod driving mechanism.
CONSTITUTION: A panel 6 on the surface side of which the respective ends of a plurality of supports 3 are fixed in two upper and lower lines by welding is manufactured beforehand. Next, buried metal fittings 8 for props are provided in a floor surface. Then, the lower ends of a number of temporary vertical props 10 are fixed removably through the intermediary of bolt holes and bolts 9 screwed, and the upper ends of axially-supporting means 12 which can be extended and contracted freely are supported axially at the back of the temporary vertical props 10, while the lower ends are fixed to the floor. Each panel 6 is erected on the floor and the fore ends of the supports 3 and the temporary vertical props 10 are joined together. The panel 6 serves as a frame panel for setting wall concrete and the wall concrete is placed on the rear side of the panel 6.
TAKANASHI MICHIKATSU
KOBAYASHI AKIHIKO
TOSHIBA CORP
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