1. Review of UJ56 relocation options
R2E Mitigation Project
Review of UJ56 relocation options
Main contributions from
EN/CV, EN/EL, EN/MEF, GS/ASE, GS/SEM & equipments owners
A. L. Perrot, EN/MEF & R2E Study Group
5th November 2010

2. Mitigation options studied
Option A: full relocation in the by-pass
(A. L. Perrot)
Option B: partial relocation in the by-pass & the UJ561 (UJ561 being the CMS exit path)
Option C: partial relocation in the by-pass & the UJ561 finding another CMS exit path
(M. Gastal)

3. UJ56 1rst floor Equipment to be moved : power converters + 17 racks

4. UJ56 ground floor - ‘safe room’
Equipment to be moved : 5 racks + internal part of SYAFD01 (fire detection) rack
EYP01 (anti-panic lightning), EYC01/02/03 (electric network control), EYU01 (AUG)

5. Option A: full relocation in the by-pass
N.B. request of the equipments owners: 6 racks in the USC55/machine area and 1 rack in the USC55/CMS area
- Technically feasible
Constraints/consequences:
mini safe – room construction in the by-pass (likely)
interference with transport volume: Power Converter calibrations racks
remaining free space along the USC55 wall before the PAD =20m

6. UJ561 by-pass mini- safe room RYCA01-02 RYMCB01-05
RTQX2.R5
RQX.R5
RYCA01-02
RYMCB01-05
EYU01 & 02 – EYP01 & 02
EYC01 à 04 (h=1.8m)
RYLB01
RYLC01
mini- safe room
ERD1/56
DYPG01 & 02
CYCIP01
GYPOS01 à 03
CYNET01 – RYSC01
EOD1/56 – EOD3/56
EBS1/56 – UPS machine
QYC01 à 04 (h=2.00m)
CYTIM01 – CYFRE01 (h=2.00m)
RYSA01 – 02 (h=2.00m)
Oct Ph. Orlandi, JC Guillaume EN/EL
JP Corso, Y. Muttoni, EN/MEF

7. TYCFL02
DYXF01
YYACS01
RYSA
CYCIB01
USC55 machine area
6 racks moved from UJ56 1rst floor to USC55 /machine area
SYAFD01 eqpt moved from UJ56 ‘safe room’ to USC55/ CMS racks room (S2A19)

8. Option B partial relocation in the by-pass & the UJ561
(UJ561 being the CMS exit path)
N.B. request of the equipments owners: 6 racks in the USC55/machine area and 1 rack in the USC55/CMS area
- Option B1: install 1 raw of racks in the UJ561= technically feasible
=> remaining free thickness for the CMS exit path is 1.2 m
- Option B2: install the mini safe-room in the UJ561 = technically feasible
=> remaining free thickness for the CMS exit path is 1.1 m thick
Safety requirements concerning exit path (CERN/TIS-GS/ ) depends on the number of persons to evacuate and the number of exits foreseen => 0.9m thick for less than 100 persons

9. Option B: partial relocation in the by-pass &
the UJ561 CMS exit path
CYTIM01 –
CYFRE01
RYSA01 – 02
QYC01 à 04
DYPG01 & 02
RQX.R5
RTQX2.R5
RYCA01-02
RYMCB01-05
RYLB01
RYLC01
ERD1/56
CYNET01 – RYSC01
GYPOS01 à 03
CYCIP01
Oct Ph. Orlandi, JC Guillaume EN/EL
JP Corso, Y. Muttoni, EN/MEF
EYU01 & 02 – EYP01 & 02
EYC01 à 04 (h=1.8m)

10. Option B: partial relocation in the by-pass &
the UJ561 CMS exit path
Oct Ph. Orlandi, JC Guillaume EN/EL
JP Corso, Y. Muttoni, EN/MEF

11. TYCFL02
DYXF01
YYACS01
RYSA
CYCIB01
USC55 machine area
6 racks moved from UJ56 1rst floor to USC55 /machine area
SYAFD01 eqpt moved from UJ56 ‘safe room’ to USC55/ CMS racks room (S2A19)

12. Civil engineering – Ducts to be drilled

13. Civil engineering – Ducts to be drilled
5 new ducts
Ø mm – length 2m
‘mur tympan’ : 5 new ducts Ø 350mm – length 2m

14. Main work to be performed for both Options A & B
Civil engineering activities:
- drill 4 ducts between UJ56 and by-pass for PC cables,
drill ducts in the wall between by-pass and UJ561 CMS exit path (cables & ventilation)
drill 5 ducts in the wall UJ56- machine
reinforce the by-pass vault structure (under study)
CV activities: UTAs and cooling system installation
EL activities: cables trays displacement/installation, cables installation
Access : sector door to be moved from by-pass to the UL56 (displt of 11 m)
Mini-‘safe room’ construction in the by-pass/UJ561 (under study),
BRAN pipes to be rerouted

15. Draft time estimate – main activities
The work load equivalent for options A/B => identical time estimate
- EL activities: months (1 shift)
months (2 shifts)
CE activities:
4 ducts between UJ56/ by-pass - 3 months
5 between UJ56- machine - 1 month
4 ducts in the UJ561/by-pass wall: - 3 weeks
CV activities: months (1 shift)
- AFD activities: - 5 weeks (detection interruption 5 days) ( 1 shift)
- Safe room : - 3 weeks ( 1 shift)
Displacement sector door:
GS/ASE: days
mechanical work :- 1 week
negotiation needed with contractor
for the options A/B/C
compatibility between EL, CE, and CV activities => Planning

16. Draft cost estimate – main activities
- EL activities: opt A: MCHF /opt B: MCHF (1 shift)
opt A: MCHF /opt B: MCHF (2 shifts: % manpower)
CE activities:
4 ducts between UJ56/ by-pass: 200 KCHF
5 between UJ56- machine: 25 KCHF
4 ducts in the UJ561/by-pass wall: 40 KCHF
CV activities: opt. A: 420 KCHF/ opt. B: 445 KCHF (1 shift)
- AFD activities: 96 KCHF (1 shift)
- Safe room : 57 KCHF
Displacement sector door:
GS/ASE: 30 KCHF
mechanical work : t.b. estimated
for the options A/B/C
Provisional budget~ 3.4 MCHF
EL 1 shift: opt. A: MCHF / opt. B: 3.2 MCHF
EL 2 shifts: opt. A: MCHF / opt. B: MCHF

17. Open issues
To be done after the decision on the baseline for the mitigation option
integration study (details)
precise schedule (co-activities) and impact on other LHC activities
negotiate the 2 shifts scenario with EL contractor
final budget

18. Installation in Jan. 2012decision on the baseline end of Nov. 2011
Time to get ready for installation
once baseline mitigation is chosen
Integration studies: - 1 month (completion and compatibility CV/EL/LHC drawings, documentation preparation, approval loop)
- Planning : month (sequence, co-activities)
- EL activities: - DC/CTR: 1 year (Market Survey for special cables?, supply)
- power distrib. : 8 months (study, supply)
CE activities: months (offers, contractor, work set-up)
CV activities: months (Market Survey for special UTAs?, supply)
- AFD activities: - 3 months (supply, work set-up)
1 year and 1 month process
Installation in Jan. 2012decision on the baseline end of Nov. 2011

19. Summary
Option A: full relocation in the by-pass = technically feasible
Option B: partial relocation in the by-pass & the UJ561 (UJ561 being the CMS exit path) = technically feasible (CMS exit path 1.2m-1.1 m thick)
It looks reasonable to assume that the work could not be performed in less than 15 months for a budget of about 3.4 MCHF
Decision on the mitigation option is needed this month to be ready in January 2012.

20. Many thanks to all the involved teams
for their work during this last month
Especially to
GS/SEM: John Osborne and Antoine Kosmicki
EN/EL: Jean-Claude Guillaume, Philippe Orlandi , Nuno dos Santos
EN/CV: Piero Valente
EN/MEF-INT: Yvon Muttoni, Jean Pierre Corso

21. Back –up slides

22. PCs
PC calibration racks
Interferences with loading volume:
PC: 52 mm
PC calibration racks: 338mm
UTA: 40 mm

23. Interferences with loading volume : UTA: 40 mm
On UJ561 wall side: dedicated racks with height of 1.8 m in the safe room and 2m elsewhere to stay below the cable trays of ‘forward detectors’(2.4m high).
Safe room 1rst door at 21 mm from loading volume -> ok

24. 20 m free between the last UTA control box and the PAD door

25. Safe room:
9 fire resisting doors (l. 1 m, h. 2.1 m)
Structure in ‘siporex’ 15 cm thick (external dims. L. 16m, h. 2.4 m, d m)

26. Safety requirement for evacuation exit path
(documentation)
- 79th SAFETY CO-ORDINATION MEETING FOR LHC EXPERIMENTS (19/10/2001)
- Note by TIS/GS in October 2001 concerning the minimum requirements in terms of access / evacuation of an experimental area

27. Source: 79th safety coordination meeting for LHC experiments (19/10/2001)

28. Source: 79th safety coordination meeting for LHC experiments (19/10/2001)

29. Source: 79th safety coordination meeting for LHC experiments (19/10/2001)

30. Source: 79th safety coordination meeting for LHC experiments (19/10/2001)

31. Source: 79th safety coordination meeting for LHC experiments (19/10/2001)

32. Cost /schedule estimate - breakdown
Safe room (options A & B):
devis Ingo: 9 fire resisting doors (material + manpower)= 36 KCHF / max 9 days
external contractor: the full safe room (structure + doors)
- material: 27 KCHF
- manpower: 30 KCHF
- schedule: 2-3 weeks
- delay for material delivery: 10 weeks
Civil engineering (options A & B)
Drilling 4 ducts between UJ56 and by-pass (diam. 350mm, l. 16.7m): ???
drilling apertures in the UJ561/by-pass wall (3 apertures h25cm, t. 60 cm or 1 aperture h.75cm, t. 60 cm): 30 KCHF /1-2 weeks
EL activities:
Control and DC cables: 1.5 MCHF (option A); 1.45 MCHF (option B); shift work +10%
Puissance: 1.2 MCHF (options A & B), shift work +10%
Total: 2.7 MCHF (option A); 2.65 MCHF (option B) ; shift work +10%
Planning (see table): one shift: 17.5 months / 2 shifts: 12 months
CV activities
Budget (material + manpower)= KCHF
planning (see table): cooling: demi water: 3 weeks -3 persons/1 shift; iced water: idem
ventil: 3 weeks -3 persons/1 shift; elec: 3 weeks -3 persons/1 shift
control: 1 week- 2 persons/1 shift

33. EN/EL planning tentative 9th October 2010
J. –C. Guillaume
Given for the 1 shift option: total= 15 months
Gain 2 months vs previous version (activities in the safe room in // control cable inst. In UL55
compatibility between CE, CV and EL activities ?=> planning