The Helmholtz-Institut Mainz HIM will operate a clean room facility for the assembly and possible re-treatment of superconducting cavities. This is mandatory for several SRF accelerator projects, like the advanced demonstrator for a dedicated sc heavy ion cw-linac at HIM or other projects pursued by research facilities or universities close by. While the installation of the clean room is in progress, the procurement of the appliances is ongoing. The present equipment planned and the current

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... us of the installation will be presented. Proceedings of SRF2015, Whistler, BC, Canada TUPB015 Projects/Facilities -progress A03-Funded facilities -progress report ISBN 978-3-95450-178-6 575 Copyright © 2015 CC-BY-3.0 and by the respective authors Figure 1: Overview of the clean room area (length 19.5 m; width 8 m). The left area is in ISO 6 standard and the right area in ISO 4 respectively. The corridor on the bottom is the grey room area, which is either used for bringing parts into the clean room or to install auxilliaries for larger appliances, like compressor for the HPR and vacuum pumps. © Dr. Heinekamp Figure 2: Work flow for cavity assembly and handling of accessories in the clean room. Grey represents the flow for accessories and tools, blue for the cavities (IG: Gun for ionised nitrogen, PC: Particle counter).