1. High Order Mode Suppressors (HOMS) for SPS TWC200 eric.Montesinos@cern.ch (Sébastien Calvo, David Bastard) 25 November 2015 LIU-SPS Coordination Meeting (indico event 462925)

2. HOMS models 460 MHz628 MHz 938 MHz 25 November 2015LIU-SPS Coordination meeting - indico event 462925 - eric.montesinos@cern.ch2

3. TWC 200 MHz & HOMS Picture taken in 2001 No information on HOMS positions Map will be performed during next YETS 25 November 2015LIU-SPS Coordination meeting - indico event 462925 - eric.montesinos@cern.ch3

4. 11 slots per section In average 1 slot for vacuum per section In 2015 : 18 sections in SPS + 3 spare sections After LS2 : 20 sections in SPS + 1 spare section Total : 210 possible slots Currently 80 slots equipped 130 slots free 25 November 2015LIU-SPS Coordination meeting - indico event 462925 - eric.montesinos@cern.ch4

5. Feedthrough 80 in SPS + 29 spares 2 leaky ceramics following LS1 All are > 35 years old Will probably all be leaky in the coming years ! Should rebuild 250 ! Estimated cost 1500 CHF / unit Total cost = 375 kCHF FTE = 3 months for 3D, 2D & Assembly 25 November 2015LIU-SPS Coordination meeting - indico event 462925 - eric.montesinos@cern.ch5

6. Antennas 80 in SPS + 3 x 10 spares (model unknown, tests during YETS) Only few spares of each (<10) Should rebuild 240 = 3 x 80 ? (to be defined by Elena) Estimated cost 150 CHF / unit Total cost = 40 kCHF FTE = 1 months for 3D, 2D & Assembly 25 November 2015LIU-SPS Coordination meeting - indico event 462925 - eric.montesinos@cern.ch6

7. 460 MHz & 628 MHz filters 50 in SPS + 18 spares To be re-designed (optimization ?) Estimated cost 2000 CHF / unit Quantity to be defined For 160 new = 320 kCHF FTE = 2.5 months for 3D, 2D & Assembly 25 November 2015LIU-SPS Coordination meeting - indico event 462925 - eric.montesinos@cern.ch7

8. 938 MHz filter 30 in SPS + 5 spares To be re-designed (optimization ?) Could be compatible with 460 MHz & 638 MHz Not currently the case Estimated cost 1500 CHF / unit Quantity to be defined For 80 new = 120 kCHF FTE = 1.5 months for 3D, 2D & Assembly 25 November 2015LIU-SPS Coordination meeting - indico event 462925 - eric.montesinos@cern.ch8

9. Schedule, Cost & Manpower 250 x Feedthroughs 2016 2017 2018 2019 New filter design 240 x Antennas 240 x Filters 375 kCHF & 0.25 FTE (0.05 Staff + 0.2 FSU) 40 kCHF & 0.10 FTE (0.05 Staff + 0.05 FSU) 440 kCHF & 0.40 FTE (0.2 Staff + 0.2 FSU) Installation 0.25 FTE (0.10 Staff + 0.15 FSU) 1.5 FTE (Fellow or Doct Student or ?) Total Cost : 850 kCHF 1.5 FTE for new design 1.0 FTE for construction, tests, assembly & installation (0.4 Staff + 0.6 FSU) 25 November 2015LIU-SPS Coordination meeting - indico event 462925 - eric.montesinos@cern.ch9 2020