General Schedule updated 05 July General schedule Baseline

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General Schedule updated 05 July General schedule Baseline rev. 4. 0 Global pressure test

General Schedule updated 05 July General schedule Baseline rev. 4. 0 Global pressure test &Consolidation Cool-down Powering Tests 10/7/2020 Interconnection of the continuous cryostat Flushing Leak tests of the last sub-sectors Cool-down Inner Triplets repairs & interconnections Warm up Global pressure test &Consolidation Powering Tests K. Foraz TS-IC-PL

Task forces Automatic commissioning, where are we? What do we need when? SACEC PM

Task forces Automatic commissioning, where are we? What do we need when? SACEC PM Additional data sources, automatic analysis, what and when? SACEC Organisation: How to run the show? HCC Opt Other tools that are required to optimize commissioning and ensure correct data flow, e. g. looking at electrical circuit status SACEC Procedures, policy MPP System upgrades, improvements HCC July 11 th, 2007 Rudi, Markus, Vito, Reyes Rudi, Markus, Verena, Alessandro, Adriaan Blanca, Hugues, David, Verena David, Hugues, Antonio, Boris, Stefano Andrzej, Antonio, Gijs, Mirko, Walter David, Hugues, Luigi, Reiner Debriefing Sector 78 Commissioning 2

SC Circuits Commissioning Progress vs. Expectations Stable cryogenic conditions Can El. QA start before

SC Circuits Commissioning Progress vs. Expectations Stable cryogenic conditions Can El. QA start before the nominal operating conditions Opt QPS tuning and MPP involvement Opt No manual configuration/testing, automatize up to nominal, automatic analysis via database Aut Organization of coordination – Field/Even Point/Global + MPP Org Communication: Planning, reporting (twiki, e-logbook, Opt mtf), displays in CCC, war map, meetings Safety Org July 11 th, 2007 Debriefing Sector 78 Commissioning 3

Cryo Performance & Operation Big gain expected in the commissioning of the DFBs and

Cryo Performance & Operation Big gain expected in the commissioning of the DFBs and 1. 9 K tuning Shorter cool down times forecasted for the coming sectors Increased availability expected for sector 45 already (90% for 4. 5 k and 80% for 1. 9 K including quench recovery) Impact of the utility stops is high but was expected Recovery from faults of the cryoplants will remain a problem because of missing experts. No plan for a crew available 24 hours per day and 7 days a week Org Release constraints of cryo_start & cryo_maintain Opt July 11 th, 2007 Debriefing Sector 78 Commissioning 4

DFBs Dashboard can be included on the HCC web pages Opt Passive chimney heaters

DFBs Dashboard can be included on the HCC web pages Opt Passive chimney heaters (heat sinks) for 13 k. A, 6 k. A and 600 A active heating for the others. Will be installed after 80 K reached. To be looked at together with the conductive collars Is the condensation problem solved? Sys, CPP? Level gauges are now pre-calibrated and protected from Sys, CPP? the LHe supply. Is this protection adequate? Point level sensor for interlock Sys, CPP? Mass flow meters will be installed on a few chimneys to characterize the current lead flow Coupling between lead control needs additional attention July 11 th, 2007 Sys, CPP? Debriefing Sector 78 Commissioning 5

Current Leads Conductive collars on leads above 6 k. A are a success. To

Current Leads Conductive collars on leads above 6 k. A are a success. To Sys, CPP be looked at together with the chimney passive heater solution of DFB designers Fans will be installed on the 60 A lead flange everywhere Can we connect the cables on the current leads in one go on every DFB … Opt DFB yellow paper and 60 A/600 A incidents. Measure to avoid these. Org For DFBAs, before Line-N is released by El. QA, the consignation must be done for both DFBAs. Org, Opt July 11 th, 2007 Debriefing Sector 78 Commissioning 6

Electrical Quality Assurance, Busbar and Pigtail protection 80 K can be more flexible 80±ε

Electrical Quality Assurance, Busbar and Pigtail protection 80 K can be more flexible 80±ε 1 K and 1. 9±ε 2 K. What is ε ? Opt 20 K stop can be skipped Do not try to accelerate electrical checks Localization of faults takes 50% of the time used to El. QA tem will not do it: not budgeted in 3 weeks of El. QA. Pigtails are correctly protected with the parameters of Sector 78? Addressed by MPP. July 11 th, 2007 MPP Debriefing Sector 78 Commissioning 7

PIC Detect shorts to ground before PCC & PIC 1. Do we need Opt

PIC Detect shorts to ground before PCC & PIC 1. Do we need Opt both PIC 1 and PIC 2? Did we find anything with PIC 1? Time stamping of signals across systems Sys Flexibility to increase parallelism during hardware commissioning require the modification/relaxation of conditions. How do we deal with this without compromising equipment safety ? Opt, Org, Pro How do we deal with exceptions. Trace ? Org, Pro Inhibit of PP if circuits are locked in the SOC editor Sys, Org 60 A PP to be added De-activation of CMW to inhibit the sequencer during the night for example to be added July 11 th, 2007 Sys, Org Debriefing Sector 78 Commissioning 8

Power Converters Accurate database (e. g. parallel resistance) is needed for automation Sys Configuration

Power Converters Accurate database (e. g. parallel resistance) is needed for automation Sys Configuration of FGC can be automated by PO Sys Development of some tools are required to automatize some of the tests (crowbar) Aut Large inductance variation of the 600 A circuits to be studied. Automated tests using the sequencer remains to be validated with Sector 45. Some manual control is needed because of the very low thresholds. Will it be the case for the next sectors. Aut, MPP Documentation of parameters modified during tests Aut, Sys Commissioning parameters have been different from nominal parameters. How do we track this? MTF Org CRYO-Ok for 60 A July 11 th, 2007 Debriefing Sector 78 Commissioning 9

Power Converters Help others? El. QA, QPS? GLs, Org Type tests should advertised and

Power Converters Help others? El. QA, QPS? GLs, Org Type tests should advertised and published to other teams to join efforts and exchange information. Org Server saturation Sys, COTCC July 11 th, 2007 Debriefing Sector 78 Commissioning 10

Quench Protection System Separate El. QA from ISTs at cold Org Loss of PM

Quench Protection System Separate El. QA from ISTs at cold Org Loss of PM data due to unavailability of transmission system (gateway-server) Sys, CO-TC LHC logging to be augmented with new tool Sys More care in programming tests which could present coupling between circuits Org Arrange console configurations to allow teams working on the same SOC to sit close to each other Org, Sys, CO-TC Kitchen access Org Improved ergonomics of applications (shortcuts, time stamp, etc. ) Org, Sys Underground work: NICE machines, Wi-Fi, maintenance Sys, Org July 11 th, 2007 Debriefing Sector 78 Commissioning 11

Quench Protection System Automatic analysis software for QPS Aut More care in programming tests

Quench Protection System Automatic analysis software for QPS Aut More care in programming tests in parallel which take in consideration hardware constraints Org, Aut Downloading of inductance tables done using mobile devices made by more than one person Sys July 11 th, 2007 Debriefing Sector 78 Commissioning 12

13 k. A EE System Very long time (5 -6 min) to save PM

13 k. A EE System Very long time (5 -6 min) to save PM data. Can we skip that? Sys, PM Will we take more time to cool the water than recool down the magnets? Sys July 11 th, 2007 Debriefing Sector 78 Commissioning 13

600 A EE System Reduced parallelism of monitoring. Four people needed for two circuits

600 A EE System Reduced parallelism of monitoring. Four people needed for two circuits for field measurements. July 11 th, 2007 Aut, Org Debriefing Sector 78 Commissioning 14

Qualification of 600 A Splices Data analysis problem because of Timber. Meter more adapted

Qualification of 600 A Splices Data analysis problem because of Timber. Meter more adapted July 11 th, 2007 Sys Debriefing Sector 78 Commissioning 15

Post Mortem, Logging, e-logbook PM data browser from Windows PM Link to cryogenic system

Post Mortem, Logging, e-logbook PM data browser from Windows PM Link to cryogenic system data from PM PM How would the PM system react to a power cut which would upload data from 8 sectors Sys, PM Circuit synoptics including cryogenics, vacuum, etc Sys Lifetime of measurement data in the CO databases Sys, PM Account time-outs and CMF updates Sys, CO-TC Ergonomics of Linux & Windows based applications Sys, CO-TC July 11 th, 2007 Debriefing Sector 78 Commissioning 16

The sequencer Run a sequence, then run the analysis of the acquired data: do

The sequencer Run a sequence, then run the analysis of the acquired data: do not mix running sequences with analysis Aut, Sys On-the-fly sequences: sequence editor Aut, Sys Updated power converter configuration parameters (e. g. Aut, Sys d. I/dt) should be stored so that next time the test is repeated on the same converter, on the same type of converter, this value is used Automatic copy to MTF Aut, Sys Ergonomics Sys The cycle editor, authorization to use it Sys, Pro Test bed for sequences July 11 th, 2007 Debriefing Sector 78 Commissioning 17