Horonobe Underground Research Laboratory Project; Investigation program for the 2006 fiscal year (Translated document)

Matsui, Hiroya ; Niizato, Tadafumi  ; Yamaguchi, Takehiro

As part of the R&D program on geological disposal of HLW, the Horonobe Underground Research Center, a division of the JAEA, is implementing the Horonobe URL Project for sedimentary formations. This Project is planned to extend over a period of 20 years. The investigations are to be conducted in three phases. This report summarizes the investigation program for the FY2006. The investigations in FY2006 are focused on the Hokushin area in Horonobe, which was selected as the area for URL construction. The main investigation region extends over approximately 3km3km. Construction of the underground facilities is continued and Phase 2 investigations are carried out. Concerning the surface facilities, construction of Research and Administration Facility and Test Facility, will be complete in May, 2006. Construction of Public Information House is continued and fabrications of the exhibits are initiated. The preliminary design of International Communication House is carried out.