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The detailed costing of the TLEP project does not exist yet, and it one of the aims of the starting TLEP design study is to produce it. Preliminary estimates, however, do exist and are summarized in Table~\ref{tab:cost}. Not surprisingly, and given that the CERN site already exists and needs not be paid for, the tunnel, shafts and related services and infrastructure (including access roads) account for the largest fraction of the cost of the complex, for a predicted total slightly above 4 billion CHF in its 80-km incarnation. The next two components are the 12 GV RF system and the 80 km of magnets, for a little bit less than one billion each.   \begin{table}  \begin{center}  \caption{\small Table~\ref{tab:cost}: Estimated cost of the TLEP accelerator complex in its 80 km version.\label{tab:cost}}  \begin{tabular}{|r|r|}  \hline  Item & Cost (Billion CHF) \\ \hline   \hline  Bare tunnel and access shafts & 3.1 \\ \hline  Tunnel services and additional infrastructure & 1.0 \\ \hline  RF System & 0.9 \\ \hline  Cryogenics system & 0.2 \\ \hline  Vacuum system & 0.5 \\ \hline  Magnets systems for the two rings & 0.8 \\ \hline  Pre-injector complex & 0.5 \\ \hline  {\bf Total} & {\bf 7.0} \\  \end{tabular}  \end{table}