We were assigned to do all construction work of removing an old accelerator machine and install the new one. As part of this project at Papageorgiou Hospital, the old wooden roof was dismantled and replaced with photo wallpaper, the floor was excavated to remove the base of the old machine and covered with epoxy flooring. The staff workplaces were equipped with workbenches, while a new plastic floor was installed, and walls were lined with wallpaper and melamine.