This CENELEC project report has been drafted by a project team and steering group of representatives of interested parties and is to be endorsed on 2010-11-23. Neither the national members of CENELEC nor the CEN-CENELEC Management Centre can be held accountable for the technical content of this CENELEC project report or possible conflicts with standards or legislation. This CENELEC project report can in no way be held as being an official standard developed by CENELEC and its members. This CENELEC project report is publicly available as a reference document from the CENELEC members