LS 1 DAY Activits ENEL F Duval ENEL

LS 1 DAY Activités EN-EL F. Duval / EN-EL on behalf of EN/EL group 1 12/06/2012

EN/EL activities during LS 1 Summary � Network infrastructure consolidation & upgrade 66 k. V et 18 k. V � UPS SILCON replacement project � Projects and maintenance work on substation 400 k. V & 66 k. V � Maintenance works on 18 k. V, 3. 3 k. V and LV networks � Yearly tests � Other EN/EL consolidation & upgrade projects � Projects for other groups � R 2 E � Cables & fibres projects � Schedule � Workloads � Increase of manpower 2 LS 1 Day - François Duval EN-EL 12/06/2012

66 et 18 k. V Networks Consolidation & Upgrade � power cables replacement 18 k. V SPS � New substation BE 91 in Prévessin (Safe feeding of CCC safety network for SPS) Repowering CCC 66 k. V Protection system consolidation (Prévessin and LHC 1 -2 -4 -6 -8) Extension of the 66 k. V substation Prevessin New 66 k. V feeder on Meyrin site + upgrade of the 18 k. V substation in the west area ME 59 New power link 18 k. V ME 9 –ME 59 in Meyrin and Autotransfert modification accordingly Upgrade main 18 k. V substation in Prévessin du BE Consolidation of fire protection systems for power transformers and for the 400 k. V substation Consolidation of the 18 k. V substations BA 4 et BA 5 � � � � � requirements � � 3 depending mainly on the injector schedule (2013 !) Total budget = 20 MCHF LS 1 Day - François Duval EN-EL 12 Juin 2012

66 et 18 k. V Networks Consolidation & Upgrade 2013 Upgrade sous station BE 2012 -2013 Réseau secours Prevessin et SPS Rénovation protection 66 k. V 2012 -2013 Sous station BE 91 2012 -2013 Nouvelles lignes 66 k. V et 18 k. V vers Meyrin 4 2012 -2013 SPS consolidation LS 1 Day - François Duval EN-EL 12 Juin 2012

66 et 18 k. V Networks Consolidation & Upgrade 2012 -2013 Nouvelles lignes 66 k. V et 18 k. V vers Prevessin 2012 -2013 Nouvelle sous station 66 k. V MEH 59 2012 -2014 Upgrade sous station ME 59 2013 -2014 Nouvelles liaison 18 KV entre ME 9 –ME 59 5 LS 1 Day - François Duval EN-EL 12 Juin 2012

LS 1 EN-EL activities Power distribution and Operation 6 LS 1 Day - François Duval EN-EL 12 Juin 2012

Replacement of SILCON UPSs � All cryo and machine : 82 UPS machine : 2 UPS in RE (x 16) 2 UPS in UA (x 8) 2 UPS each LHC point (US, UW ou UJ) (x 8) UPS cryo : 2 UPS on LHC even points (US, UW) (x 4) 2 UPS on surface even points (SA, SH) (x 4) 2 UPS in PM 18 � Any new UPS connections � 7 Requests must be done before end of June 2012 LS 1 Day - François Duval EN-EL 12 Juin 2012

Replacement of SILCON UPSs � 8 Impact on other activities: � 6 weeks per area (for 2 UPS) � Distribution downstream off during works � Possible refeeding from diesel network (subject to request justified by safety) � Transport and handling: � ~ 660 kg for an UPS and 2000 kg for battery sets (removal of old ones as well ) � Lifts on Points 3, 5 et 7 too small for UPS : Width > 800 mm � Alcoves RE : A safety issue has to be considered: Charging batteries may lead to hydrogen production. Ventilation must be dimensioned so that the risk of explosion is eliminated (EN/EL, GS/ASE, HSE) LS 1 Day - François Duval EN-EL 12 Juin 2012

66 & 400 k. V Substations Maintenance & Projects � Maintenance � � � Projects � � 9 400 k. V & 66 k. V substations Tests of the protection and signals on the RTE interfaces On-site maintenance of two 400 k. V circuit breakers Factory maintenance of three 400 k. V circuit breakers Maintenance of the 400 k. V & 66 k. V transformers Consolidation of the 66 k. V protection (BE & LHC 1 -2 -4 -6 -8) Extension of the 66 k. V substation Consolidation of the fire detection of the 400 k. V substation & its transformers Schedule contraints RTE (400 k. V) Disconnected during 3 -4 weeks ALPIQ (SIG) 60 MVA max during 8 weeks after the LHC warm-up Réseau de transport 66 k. V Off during 8 weeks AUTOTRANSFERT Inoperable during 8 weeks Tests AUG LHC Cannot be done during this time LS 1 Day - François Duval EN-EL 12 Juin 2012

66 & 400 k. V Substations Maintenance & Projects 10 07/06/2012

18 k. V, 3. 3 k. V & LV Networks Maintenance � 1/3 of the equipment 18 k. V et 3. 3 k. V : 400 cubicles � LHC General Services LV switchgears � LHC Safety Network LV switchgears � Replacement of all breakers dedicated to the LHC safety network switching � LHC Diesel PLC consolidation � LHC 18 k. V & 400 V switchgears in the alcoves � Planning - requirements � Slots of 5 to 6 days for each LHC points (including the AUG tests on the last day) � No underground access for 2 to 3 days (safety network not available) � No handling operations for 5 days (distribution off cranes off) � No 18 KV maintenance during 400/66 k. V maintenance operations � No safety network maintenance while AUTOTRANSFERT is off � Necessary coordination with CRG & CV 11 LS 1 Day - François Duval EN-EL 12 Juin 2012

Yearly Test Campaigns � Diesel and safety network � AUTOTRANSFERT � AUG � Schedule - requirements � PS / SPS magnet tests and run CTF 3 until december 2012 � Warm-up LHC Cryo � To be scheduled: � end 2012 or early 2013 � end 2013 or early 2014 � end 2014 ? � No AUG tests during maintenance on 400 k. V 12 LS 1 Day - François Duval EN-EL 12 Juin 2012

Other EL Consolidation Projects Description Confirmed ? Technically defined? Consolidation following task force « 48 V LHC 2» (LHC) yes (2012) obsolete LV switchgears (ME 23, ME 24) yes Replacement of obsolete switchgears (LHC, MEY) yes Replacement of LHC safety network PLC & Circuit breakers yes Consolidation of LHC Diesel PLC no no (LS 2) Increase reliability of AUG in LHC yes Consolidation of EL SCADA system yes 13 LS 1 Day - François Duval EN-EL 12 Juin 2012

Projects for other groups EN/CV Description Confirmed ? Technically defined for EL? Upgrade pumping station PM 32 yes SU 2 & SU 8 TRANE motors replacement yes New cooling tower SHM LHC 4 yes no (on its way) New cooling tower LHC 6 & LHC 8 yes no (on its way) New chiller SPS-BA 3 no no Closing collimators area LHC 7 no no (Major issue) Upgrade ventilation PS : Design and supply the new power supply for the ventilation units. yes no Safety measures for LHC: deltap tunnel UX 85: New power line yes no New chillers SU 2 for Alice no no (on its way) EL & CV meeting on 04/05/2012 14 New meeting to be scheduled asap LS 1 Day - François Duval EN-EL 12 Juin 2012

Projects for other groups TE/EPC Description Confirmed ? Technically defined for EL? LHC filters protections from FIR to TENCH (new sepams ? ) yes Converters replacement FMCM SR 1 et SR 5 no no Control cabling for transformers SMB ? yes no BEQ 2 et BEQ 3 protections from baycontroler to PLC yes no SVC : 18 k. V cables LHC 2 replacement yes New feeder 18 k. V SMB for SPS 3 yes no SPS Mains Converters: Consolidation : Supply and installation of Earthing Switches and 18 k. V cables yes no EPC High Voltage Power Converter Test Bench: Construction in building 377 yes EPC Medium Power Converter Test Bench: Construction in building 287 yes no Last meeting 7 th of June 2012: Most of the requests clarified and will be defined soon. Most of the requests scheduled on 1 st semester 2014 15 LS 1 Day - François Duval EN-EL 12 Juin 2012

Projects for other groups various Description Confirmed ? Technically defined for EL? 513 Upgrade automatic Normal / Secours yes HIE ISOLDE yes LV infrastructures for bungalows SMACC yes No, but on its way(2012) LINAC 4 yes Moving transformer Civil Engineering on the Route Goward over the PS no no Electrical power supplies to new cranes. HE consolidation yes no ELENA Extra Low Energy Antiproton (hall 193) no no LS 1 Day - François Duval EN-EL no 16 COMPASS no 12 Juin 2012

R 2 E Relocation of equipment � Locations � UJ 14, 16, US 15, UJ 56, USC 55, UL 557, UJ 76, TZ 76, PM 76, US 85, UL 84. � Work scheduled during all LS 1. � Contractors EMTE (Points 1, 7, 8) & SPIE (Point 5). � Impact on other activities: � � Difficult access to the work zone, transport not easy, limited co-activity (pts 5 (UP, UL) & 7 (TZ)) Coordination: � 17 Works done with MEF, MTE, EPC, CV, HE, EN-EL (consignation/déconsignation) LS 1 Day - François Duval EN-EL 12 Juin 2012

R 2 E Interruption of Service � Locations � � UJ 14, 16 – UJ 56 (+ adjacent tunnel area) – UJ 76 (+ adjacent tunnel area) – US 85 (+ adjacent tunnel area) Impact on networks and personnel safety: � UPS network (EOD) : consignation schedule compatible with WARM-UP cryo & other works? � Converter network (ERD) en UJ 14 -15, UJ 56, UJ 76 � Réseaux canalis racks – consignation schedule compatible with WARM-UP cryo & other works? � The safety network (ESD) & general services networks (EBD – plugs & Lighting) will be operational during works but during 2 weeks, including one week without any EL safety systems: 48 VDC, AUG and safety lighting. Presently scheduled : October / November 2013 18 LS 1 Day - François Duval EN-EL 12 Juin 2012

Replacement of water cooled cable hoses: � � Locations: UA/RA 47, 63, 67, 83 et 87 � 12. 5 months. Contractor: FLOHE, Supply: FLOHE & Contitech - 3200 m. Impact on other activities: � � Coordination: � � Access to UAs & RAs, scaffolding around converters, access to RA tunnel close to DFBs Works done with CV, EPC, MEF, HE, MTE & EN-EL (consignation/décons. ) Schedule � 19 2 shifts will not be possible (limited FLOHE manpower) LS 1 Day - François Duval EN-EL 07/06/2012

New cable baskets LHC 1, 3 et 5 � � following ALARA 01/2012 � Locations: R 34, R 36, R 37 – 2 cable baskets on 550 m. � 3 full months. Contractor C 209, supply C 209. � Other areas: RB 14, 16, R 542, 561: câblofil/télex installation on the ground. Impact on other activities: � � Coordination: � � Access to the tunnel pt 3, difficult transport activities. Works done with MEF et EN-HE et EN-EL (Integration) Schedule: Lead by RP. New cables to be installed in point 3 (TE-VSC) basket 1, 2 Cable tray 20 LS 1 Day - François Duval EN-EL 07/06/2012

12 Flexwell cables replacement PM 45 � � Locations: SR 4, SL 42, SD 4, PM 45, UJ 44, UJ 46, RA 43, RA 47 � 4 full weeks. Contractor: EMTE, supply: CERN. Impact on other activities: � � Coordination: � � Access to PM 45, RA up to 12 cell including areas behind DFBs. Works to be done with BE-RF, MEF, MTE, EPC (consignation/décons. ) Schedule: � to be defined with MEF et BE-RF (tests and connectors mounting). Removal of 10 km and installation of 7. 4 km of Flexwell cable 7/8. 21 LS 1 Day - François Duval EN-EL 07/06/2012

TOTEM: modification of WCC circuits RQ 4, 5, 6, 7, 8, 9, 10 � Locations: RR 53 & 57 � 5 full months on both sides � Contractor FLOHE, supply: Technical Specification to be written. Impact on other activities: � Coordination: � Work to be done with MEF, HE, CV, TE-EPC, TE-MPE & EN-EL (Integration, consignation/décons. ) Schedule: � + + 22 to be defined with MEF. + DFB � Access to RR 53 et 57, transport. Works above converters. + + DFB � RR 53 DFB � � LS 1 Day - François Duval EN-EL 07/06/2012

LS 1 EN-EL activities �Many requests from other groups and from the experiments to be finalised (CRG, ASE, etc. ) �Experiments requests PLAN@CERN 23 were not included in LS 1 Day - François Duval EN-EL 07/06/2012

EN 2014 S 23 PT P 3 S 34 PT Warm-up P 4 PT PT CSCM preparation CSCM Warm-up -> 10 K Warm-up S 45 P 5 S 56 P 6 S 67 PT PT Warm-up P 7 S 78 Warm-up P 8 S 81 PT PT Warm-up Cryo Maint. P 2 Splices Splices Cool-down Powering Tests Cool-down Powering Tests Consignations pour R 2 E ? Feb. 8 th 2012 Splices Cool-down Powering Tests Splices Cryo Maint. Travaux 400 k. V et 66 k. V – Pas d’autotransfert – S CERN <60 MVA Cryo Maint. Nov. Dec. Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Jun. S 12 Cryo Maint. 2013 P 1 K. Foraz - LHC Performance Workshop 2012 24 Cool-down Powering Tests

Workload for High Voltage, Low Voltage & Controls Sections Projects + Maintenance + Tests EL & other groups Summary of HV, LV & Controls during LS 1 Requirements / Resources > 1, 2 In particular during 2 nd semester 2013) More resources More requests are not affordable 25 LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres: Requests from BE 26 LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres: Requests from TE VSC requests were not fully considered yet 27 LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres: Requests from PH 28 LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres: Requests from IT 29 LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres � The preparation work behind the cabling workload estimate 30 LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres The LS 1 Project Leader decided requirements/resources 31 LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres � Additional resources � AGH (12 project associates from Krakow) � Fellows & associates (+10 in 2011/2012) � 2 installation contracts (doubled manpower) � FSU being prepared � Specialists + project managers required (skilled and experienced people) 32 LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres � Help from other departments & experiments We still want new people working with EL team in order to have coherent works done � Work � � � supervisors Knowledge and experience of cable laying or fibre blowing technologies Experience in work site supervision Knowledge of site works � Project � � 33 managers Project management People management Schedule & Budget management Knowledge of dedicated softwares(GESMAR, Câblothèque) LS 1 Day - François Duval EN-EL 12 Juin 2012

Cables & Fibres � But there are limits to the increase of manpower: � Lack of experience � Increase of manpower of contractors � CERN access, hotels, logistics bottle neck, Base vie? � Schedule/coactivity 34 LS 1 Day - François Duval EN-EL 12 Juin 2012

EN/EL activities during LS 1: Conclusion � LS 1 will be a very huge shutdown also for EN/EL � On the HV & LV infrastructure side, The program will be done with some additional resources � On the cables & fibres side, the situation is critical: prioritization is done but the effort is huge for the section in charge. Additional resources have been deployed from other departments: more are needed. � We are worried about the flow of requests which are still popping up in PLAN@CERN or elsewhere 35 LS 1 Day - François Duval EN-EL 12 Juin 2012