LS2 North Experimental Area Consolidation Ongoing activities / Where are we? - F. Gautheron, Y. Kadi, A. Papageorgiou Koufidou, E. Solodko, M ...
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LS2 North Experimental Area Consolidation Ongoing activities / Where are we? F. Gautheron, Y. Kadi, A. Papageorgiou Koufidou, E. Solodko, M. Wilhelmsson (EN-EA-PE) EACM, September 24th, 2019
PPS Access point BA80 replacement done
• PAD/MAD installed 3 weeks ago
• Tuesday 10th: functional test by
BE-ICS.
• From Wednesday 11th September:
“en service”
• Team moves to next installation in
BA81
- Ongoing: instrumentation of the doors YDPS02.80o, YDPS01.800, YDPV01.800,
YDPV02.800
Remaining work:
- March - April 2020 :EIS instrumentation & Test (access occasionally perturbated)
F. Gautheron et al. - EACM September 24th, 2019 2
PPS Access point BA81 replacement ongoing
• Activity for replacement started on
September 11th
• Mechanical parts almost done
• This week and next week: connection
to electrical and communication
networks.
• Tests and validation: 7-11th October
• Expected “en service” on October 14th
• Aug - Sept 2020 :EIS instrumentation &
Test (access occasionally perturbated)
F. Gautheron et al. - EACM September 24th, 2019 3
Access point SPS-PPS TCC8 & lift
• Replacement of the access point bldg. 912
• Replacement of the lift AS516
• Co-activities organized – No conflict expected
• W43 [21-25 October]: removal of actual PAD (turnstile)
• W44 – 47: removal of the old lift, extraction of big pieces, install. new lift
• W48: installation of the new PAD/MAD
• From W49: adaptation to punctual necessities between teams (EN-HE/BE-ICS)
• Sept – Oct. 2020 :EIS instrumentation & Test (access occasionally
perturbated)
F. Gautheron et al. - EACM September 24th, 2019 4
ECN3: renovation activities starting soon
• SPS PSS access point in bldg. 911
• Actual BE-ICS planning indicates work
during [mid-October / mid-November]
• EN-HE rails replacement for the
crane in ECN3 [21/10 – 01/11].
• Time slot confirmed long time ago.
• Use of the pit/crane to transfer long rails
• -> Safety issue since access point and pit
are close to each other
• BE-ICS is revising its time slot to adapt the
intervention. Discussion ongoing with the
contractor. No feedback yet.
• Oct – Nov. 2020 :EIS instrumentation
& Test (access occasionally perturbated)
F. Gautheron et al. - EACM September 24th, 2019 5
Crane consolidation in 888 (EHN2)
• August 12-21: old 5t crane removed, new 10t crane installed
• Work on the 40t crane started 4 weeks ago, should last until end of
September.
Load test (40 t) September 19th
F. Gautheron et al. - EACM September 24th, 2019 6
TA 852 ventilation door (TCC8) - Air tightness
• Aluminum sheets fixed on the door 2
weeks ago
• Passage of pipes through the fence
to be closed
• Cables trays not yet closed since an
optical fiber has still to be pulled,
foreseen by EN/EL week 42
• Access restricted w43 – w52
• Replacement of the access point SPS-PPS
• Replacement of the local lift
• Air tightness work on cable trays
and around pipes to be terminated
beginning of 2020
F. Gautheron et al. - EACM September 24th, 2019 7
No further free access to galleries post LS2
Recommendations from the safety
review & DSO for ODH & CO2 risks
• All gallery access to be locked
• EHN1 already done
• EHN2 ongoing
• Caged ladder (Saleve side) to be locked
• Jura side fenced and locked (by end of 2019)
• Saleve side access through BA82
• Procedure put in place:
IMPACT -> TRAKA (EHN1) -> key +
ODH &CO2 portable detectors
F. Gautheron et al. - EACM September 24th, 2019 8
Gas Network Consolidation
• Only EHN1 Saleve side during LS2 due to budget cuts
• Reduction of the number of mixing areas : 2
• One mixing area already modified, new rack under design, waiting for the instruction
(TSO) for the second mixing area.
• All gas patch panels already produced, half of them in placed in PPE’s but not connected
• 887/R-K52 (PPE 146), 887/R-P40 (PPE 138), 887/R-P58 (PPE 158), 887/R-L75 (PPE 168)
• Racks produced & to be transported 887/R-K56 (PPE 156) & R-M84 (H8 beam dump area)
• Gas barrack 907: waiting for a final offer for racks.
• Check valves (EATM request): to equip all the distribution racks (EHN1, EHN2, ECN3)
• Might require 2 -3 weeks of service interruption (looking for a possibility of sectorization instead)
• Flowmeters to monitor networks, installation foreseen this year
• ATEX extraction bldg. 907 during LS2. Bldg. 909 postponed after LS2
F. Gautheron et al. - EACM September 24th, 2019 9Flammable Gas Detection & ODH
• EHN1– Saleve side (Jura side already migrated & operational)
• Barrack gas 907 already equipped (no flammable gas actually in use)
• ODH in Galleries (GHN 14,15,16) with previous sensors (No CO2 detection)
• FG sensors to be installed once new gas distribution in place (1st semester 2020)
• Mixing gas areas
• Experimental areas
• PPE168 pending – area to be reorganized, no further news.
• Cabling once EN-EL manpower available, ~ September 2020
• Commissioning will follow
• Old system deactivated, but racks not yet removed
• EHN2, ECN3
• EHN2 : 2020: BE-ICS OK, budget available (optical fiber ordered by EN-EL-FC)
• ECN3 : to be migrated to Syntel system – 2020. BE-ICS OK, budget available
F. Gautheron et al. - EACM September 24th, 2019 10Cooling & Ventilation - EN-CV
• Consolidation of control towers CT2:
• Electrical consolidation ongoing (foreseen by the end 2019)
• Control system replaced in 2020 (delivery foreseen beginning of April 2020)
• Underground technical galleries ventilation study ongoing
• Safety review “Install a ventilation system in the gallery in order to avoid local
accumulation of gas”
• Ongoing study of cooling in BAs for the PSU of Beam lines magnets
• Option with H2O cooling for SIRIUS PSU
• Option with Air cooling for APOLO PSU
F. Gautheron et al. - EACM September 24th, 2019 11Radioprotection HSE-RP
• CROME deployment in NA
• March 2020 : TDC2 (9 monitors)
• Avril 2020 : TCC2 (13 monitors)
• May/June 2020 : EHN1 (46 monitors)
• Beginning of August 2020 : TT84/TT85 (2 monitors)
• End of August 2020 : EHN2 : (4 monitors)
• Commissioning : August to December 2020
• RP tests: October 2020 to February 2021
• Access control to transversal underground galleries (EHN1 & EHN2)
• Generalize fences in EHN1 (2/6 actually) all with padlocks (keys in CCC)
• EHN2: Dose rate exceeds limits on Jura side (RP survey 2018) : “close gallery
GHN21 in addition to GHN22 with EN/EA padlock to prevent access to Jura side”
• Access through IMPACT -> TRAKA (in EHN1). Same rule than for ODH/CO2 risks
F. Gautheron et al. - EACM September 24th, 2019 12Power converters – TE-EPC
• Ongoing studies for new PSU (SIRIUS vs APOLO) for beam line magnets
• DCCT + FGC3 ordered for VERTEX 1,2 and ATLAS-Morpurgo (EHN1)
• Components to be integrated in the new PSUs during LS2 – Lab work
• PSU installation foreseen in 2021 (YETS 2021/2022)
F. Gautheron et al. - EACM September 24th, 2019 13Magnets – TE-MSC
• Exchange of water distribution manifolds for magnets cooling
• 180 Single connections & new water hoses
• EN-CV in charge
• Not started !
F. Gautheron et al. - EACM September 24th, 2019 14Beam Instrumentation (EN-EA & BE-BI)
• Renovation of 26 VME crates + extender interfaces in EHN1 needed
for compatibility with BE-CO control systems > LS2 => concerns all
beam instrumentation signals => material ordered / consolidation
ongoing
• Foreseen for LS2 – urgent needs:
• 10 XCET (gas panels, gas control system, windows, vacuum pipes),
• 5 CEDAR (obsolete gas control system),
• 40 XSCI (voltage dividers)
• 1 Longitudinal spill detector (new electronics)
• Foreseen in 2020: cabling for BLMs, BTVs, vacuum,.. In NA primary
beam line TT20 + TDC2
F. Gautheron et al. - EACM September 24th, 2019 15Beam intercepting devices
• 2019:
• Renovation 4 block collimators : study ongoing (EN-EA)
• Define technical specifications for XTDV tables
• Purchase material (motors+ mechanics) for 5 Magnetic collimators XCMV, XCMH (M2)
• 2020:
• 2 & 4 block collimators consolidation
• 2 collimators 2 blocks (reserve ) & 4 collimators 2 blocks installed (TT81, TT82)
• 1 collimator 4 blocks (reserve) + 4 collimators 4 blocks (installed)
• Various spare parts for TCC2/TCC8 targets
• TCSC leaky cooling circuit
• XTDV elevating table for beam dumps (total 8; 4 in 2020) - purchase
• Micro-collimator (1) maintenance
F. Gautheron et al. - EACM September 24th, 2019 16Civil Engineering (SMB-SE)
• EHN1 drain siphons renovation => done
• Roof repair of gas barracks :
• 907: pending
• 908: done
• 909: pending
• 920: pending
• Buffer zones completed
• Other activities currently under discussion with SMB-SE
F. Gautheron et al. - EACM September 24th, 2019 17TE-VSC
• Cabling for vacuum controls in TDC2/TCC2
• No removal of ancient irradiated cables
• Replacement of damaged :
• Ion pumps, connectors, gauges, …
• 3 window valves for beam line vacuum sectorization
F. Gautheron et al. - EACM September 24th, 2019 18NA Safety concerns …
• In addition to the safety improvements already listed :
• Flammable gas, ODH, CO2
• New “CROME” RP detection deployment network
• Underground galleries access control
•…
• Identified electrical non-conformities from periodic safety visits
• Accessible parts under power
• Lack or incorrect differential protection Priority to what
• Grounding issues jeopardizes the safety
of personnel
• AUL cutoff range not indicated or not fully defined
•…
F. Gautheron et al. - EACM September 24th, 2019 19You can also read
