presented.string environment is addressed and mechanical design outlines are meet LHC beam dynamics requirements. Coil protection within a long The paper gives detailed 3D field computations of the coil configurations to ring dipole.corrector coils which will be included as spool pieces adjacent to each main corrector magnets. This paper presents the design of sextupole and decapoleThe Large Hadron Collider (LHC) will require a range of superconducting