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TY - CONF AU - Walker, R.P. AU - Abraham, C.A. AU - Bailey, C.P. AU - Bartolini, R. AU - Coll, P. AU - Cox, M.P. AU - Hammond, N.P. AU - Heron, M.T. AU - Hughes, S.E. AU - Kay, J. AU - Martin, I.P.S. AU - Mhaskar, S.P. AU - Miller, A.G. AU - Reed, A.J. AU - Rehm, G. AU - Rial, E.C.M. AU - Rose, A.J. AU - Shahveh, A. AU - Shiers, H.S. AU - Thomson, A. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - Preparations for the Double Double Bend Achromat Installation in Diamond Light Source J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - We present the status of preparations for a major installation in the Diamond storage ring which is due to take place in 2016, namely the conversion of one cell of the ring from a double bend achromat (DBA) structure, to a double-DBA, or DDBA. We present results of measurements of the new narrow bore, high strength, quadrupoles and sextupoles, as well as the four new gradient dipoles. Fabrication of entirely new narrow-gap vacuum vessel strings, a mixture of copper and stainless steel is also described. The status of assembly of the two 7m long girders is presented, as well as other preparatory engineering, power supply, controls and high level software work. PB - JACoW CP - Geneva, Switzerland SP - 2953 EP - 2955 KW - dipole KW - sextupole KW - feedback KW - vacuum KW - quadrupole DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-WEPOW048 UR - http://jacow.org/ipac2016/papers/wepow048.pdf ER -