Installation and Radiation Maintenance Scenario for J-PARC 50 GeV Synchrotron

The accelerator tunnel of the J-PARC 50 GeV Synchrotron is still under construction, and will be completed at the end of 2006. Installation of accelerator-components is scheduled to start in July 2005 in parallel with civil and utility construction, and beam commissioning will be started in January 2008. This document describes how to install accelerator components in the tunnel and a radiation maintenance scenario.