F. Bertinelli, presentation 01-Apr-09 - CERN TE-MSC-CMI
F. Bertinelli, presentation 01-Apr-09 - CERN TE-MSC-CMI
F. Bertinelli, presentation 01-Apr-09 - CERN TE-MSC-CMI
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LHC Machine Committee – 1 <strong>Apr</strong>il, 20<strong>09</strong>Sector 3-4 Repair Status[a.k.a. Status Report of Magnet Work]Francesco <strong>Bertinelli</strong> – <strong>TE</strong>/<strong>MSC</strong>(10 minutes)On behalf of - and with several contributions from - surface and IC teamsA very general overview:More details in MMM 8h30, <strong>TE</strong>MBFor IC work: Coordination meeting Wednesdays 14h12 slides
Surface News Week 13/20<strong>09</strong>Courtesy A. Russo, M. Modena, R. Bihery1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 2
Surface: what is left to do?• No slack in work• Last magnets (x2 SSS) installed W17 (18) cf initial planning W15• … but there were (are) plenty of (expected) surprises along the way…Courtesy A. Russo, M. Modena1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 3
3-4 workload: some examples1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 4
3-4 resources4 TIG orbital teams (x2 <strong>MSC</strong>and x2 MME)‣ ~120 welded joints perweek1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 5
3-4: can we reduce the “8 weeks”?No1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 6
Technical difficultiesQBBI.A23R3-M3Discussed within ad-hoc “EEWG”3118 M3 BB2 3118 M3 BB11 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 7
3-4: IC Week 13/20<strong>09</strong>Courtesy A. Musso• Good progression but need toclear NC issues fast• find “correct” balance of Qualityand productivity, specifically w.r.t.rest of the machine1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 8
Tunnel News: first W closures• Planning for closures with VSC• W13: first 3 VAC subsectors pumping in 5-6(A19R5, A23R5, A31R5)Courtesy J.P. Tock1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 9
Tunnel News Week 13/20<strong>09</strong>• 1-2: MB replacement work finished• SAM work: all drilling (except 7-8 and 8-1) finished W13, good progress• 4-5: triplet pressure relief holes in L5 machined• 5-6: arc SSS He gauges finished• 6-7: MB2303 disconnected and loaded, reinstallation ongoing• Connection cryostats: work ongoing• more cuts for inspections in 3-4• evaluation of alternatives to Nomex• qualification tests for Nomex• will have an impact on 5-6 schedule1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 10
SAM NewsCourtesy J. MazetOK1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 11
Pressure relief DN200 News• 5-6: finishedCourtesy JC. Perez• new planincludes holidaysOK1 <strong>Apr</strong>il, 20<strong>09</strong> LMC - Francesco <strong>Bertinelli</strong> 12
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