TDC 2 TCC 2 consolidation status report to

TDC 2 -TCC 2 consolidation status report to EATM 15. 04. 2014 S. EVRARD, EN-MEF

2014 Schedule 2 - Sébastien EVRARD EATM 9/26/2020

Removal of hot items � Removal � TCSC of hot items from the worksites: removed first and brought to B. 955 � 3 splitter 2 magnets and 2 MDLV removed and stored in TDC 2 � Various beam monitors, BLM and vacuum beam pipes

Removal of hot items: storage area = forbidden area 3 splitter 2 magnets 2 MDLV magne ts

Splitter area First removal of splitter magnets in TDC 2 since mid seventies � Some trouble due to floor imperfections �

MDLV & beam pipes � About 100 m beam pipes removed � Make free the splitter storage area � Make free the area where heavy duty works will take place

Beam instrumentation 7 - Sébastien EVRARD EATM 9/26/2020

Chilled water pipes & coils removal � About 8 - Sébastien EVRARD EATM 200 m DN 200 insulated pipe have been dismantled � Asbestos successfully handled as expected. � Cooling coils also removed from AHU’s � Cabinet (40 years old) quite in good shape 9/26/2020

Secondary beam line vacuum maintenance � Exchange of the oil in all the vacuum pumps. � Installation of 4 new vacuum pumps � PVSS control check � Leak detection � Pressure gauge check (recalibration needed no leak in the M 2 line) � New platform for relocation of the 2 M 2 line vacuum pumps (better access) 9 - Sébastien EVRARD EATM 9/26/2020

Civil Engineering: repair of the TDC 2 roof joints � 2 joints have been fitted with a metallic gutter driving water and bitumen to 3 retention boxes. 10 - Sébastien EVRARD EATM 9/26/2020

Civil Engineering: drain network maintenance � Vallier checked all the manholes and inspection chambers � High pressure cleaning � Cleaning water collected and RP checked before disposal � Sludge treated as radioactive waste 11 - Sébastien EVRARD EATM 9/26/2020

Civil Engineering: various repairs � � 12 - Sébastien EVRARD New, extension of, repair to water collecting gutters Exchange of all remaining PVC pipes by PE pipes New drain connection Removal of all wood items by steel plates (trenches for cabling purpose) EATM 9/26/2020

Safety system upgrade � Relocation and exchange of the Fire extinguishers � New evacuation path layout and signals put accordingly � Guided tour with the Fire Brigade 13 - Sébastien EVRARD

Heavy handling equipment � PR 544 maintenance and test � Power supply rail inspected: some corrective actions needed (due to very brittle plastic insulation) 14 - Sébastien EVRARD EATM 9/26/2020

Magnet upgrade � One manifold dismounted in order to estimate time needed for future exchange � Cooling flexible replacement completed in TDC 2 (58 magnets OK, 7 remaining in the forbidden area) � 12 DC cable joints to be replaced 15 - Sébastien EVRARD EATM 9/26/2020

Beam line survey � 12 concrete blocks 800*800 removed mitigation measures � Openings towards TT 81 and TT 82 � Measurement of all the beam line equipment � Including XTAX tables once roof shielding is removed � Up to targets 16 - Sébastien EVRARD EATM 9/26/2020

Cabling EN-EL schedule � 31/3 WDP assessment for Alara level � 31/3 -21/4 preparation Dry Run presentation � 22/4 Dry Run discussion within CF Section � 28/4 ENTM Dry Run � 13/5 Alara Committee (if the study confirms to be a level III)date TBC 17 - Sébastien EVRARD EATM 9/26/2020

Lighting study in TDC 2 Courtesy of J. Devine, EN-EL 18 - Sébastien EVRARD EATM 9/26/2020

Lighting study in TCC 2 Core. Line Highbay Philips Courtesy of J. Devine, EN-EL LV systems, AUG, lights: EDMS approval in progress 19 - Sébastien EVRARD EATM 9/26/2020

Target refurbishment � Proximity cabling has been removed � New monitors and target boxes under assembly in EHN 1 cleanroom. � Shielded container in production 20 - Sébastien EVRARD EATM 9/26/2020

EN/STI/TCD Damien GRENIER 12/02/2014 North Area Targets Consolidation LS 1 40% progress Description Remplacement de tous les équipements des Cibles T 2, 4, 6, 10 ainsi que le cablage et patch panel Deliverable -Fabrication de 12 TBIU/D, 8 BAC, 2 Collimateurs T 10, 8 motorisations blindage mobile, remplacement de 6 debimetres Team members EN/STI: FSU, J. Lendaro, M. Donze, D. Grenier BE/BI: C. Vuitton, etc… TE/VSC: J. Kortesmaa, etc… Points à suivre de près: -Soudure FE Coll T 10 -Plaques Be hors tolerance -Guide a billes QUAD -Fournitures manquantes -Nettoyage, traitements surface EDMS 1355301 Technical Schedule Budget Schedule Milestones Progress Next steps Préassemblage au EHN 1 Template: EDMS 1341350 - v 0. 2

Worksite logistics � Wi-Fi and Ethernet connections available in TA 801 and soon at the shaft surface (waste management) � Floor contamination monitoring: nothing seen up to now. � New lead panels available for TDC 2. 22 - Sébastien EVRARD EATM 9/26/2020

RP survey � EDMS 1319247 (A. Herve , Y Pira, DGS-RP) 23 - Sébastien EVRARD EATM 9/26/2020

Collective dose management Dose/week (u. Sv) Dose (u. Sv) 90000 Cumulative dose (u. Sv) Dose breakdown by week 80000 Cumulative Achieved (u. Sv) 70000 60000 50000 40000 30000 20000 10000 0 Cumulated collective dose on 04. 04 = 7112 u. Sv Maximum individual dose on 04. 04 = 400 u. Sv # of participants: 132 4444 -------NDJM FA MJAO S oeaeapauuec 24 - Sébastien EVRARD vcnbrynlgpt EATM 9/26/2020