Proposal to Negotiate Amendments to an Existing Contract for the Supply of the Cold Masses of the LHC Short Straight Sections

This document concerns the proposal to negotiate amendments to an existing contract for the supply of the main superconducting quadrupoles and assembly of the cold masses of the LHC short straight sections. For the reasons explained in this document, the Finance Committee is invited to approve amendments to the existing contract for the supply of the main superconducting quadrupoles and assembly of the cold masses of the LHC short straight sections with the firm ACCEL INSTRUMENTS (DE) for an amount exceeding the previously approved amount by up to 5 350 951 euros (8 561 522 Swiss francs), subject to revision, bringing the total contract amount to a maximum amount of 36 135 587 euros (58 020 122 Swiss francs), subject to revision. The rate of exchange used is that stipulated in the initial tender (CERN/FC/4253). The firm has declared the following origin of the equipment covered by this adjudication proposal: DE - 100%.