Excavation of shafts and research galleries at the Mizunami Underground Research Laboratory (construction work of MIU part IV); Construction progress report, fiscal year 2010-2011

Geoscience Facility Construction Section, Tono Geoscience Center

This progress report presents an outline compilation of construction activities, primary tasks performed, construction progress and safety patrol report, in Fiscal Year 2010-2011. The outline of construction activities is a summary based on the scope of work planned in 2010-2011: the main activities are based on the Tono Geoscience Center weekly reports; and the construction progress is based on the planned and actual schedules. The safety patrol report is based on defects recording by the safety manager of the Geoscience Facility Construction Section. Regarding the plan and actual performance of the construction work of MIU part IV (March 16, 2010 - March 15, 2012) performance carried out from April 1, 2010 until March 15, 2012 is described in this report.