P5: UJ56 Relocation Study Contributions from BE -ABP -ASR -BI -CO DG -RP EN -CV -EL -MEF -STI GS...

[email protected] 1

P5: UJ56 Relocation StudyContributions from

BE -ABP -ASR -BI -CO

DG -RP EN -CV -EL -MEF -STI

GS -SEM -ASE

IT -CS PH -CMX TE -CRG -EPC -MPE

09/06/2010

[email protected] 2

Project overview and scope

Current knowledge:→ Expected levels of radiation in UJ56 are known→ Shielding along the LHC side of the tunnel will not provide a long

term solution to avoid single event upset in the electronics systems installed in the UJ56

→We cannot wait until the second long shutdown (~2014) without major risks to the electronics

→ Relocation of equipment has to be considered

Purpose of study:→ Identify what can be done during the next shutdown in 2012→ Identify potential showstoppers

09/06/2010

[email protected] 3

What equipment is at risk?

09/06/2010

Gnd floor:Infrastructure electronics for EN-EL,EN-CV and GS-ASE

S Maridor EN-MEF

[email protected] 409/06/2010

Power converters

24 racks

What equipment is at risk?

S Maridor EN-MEF

[email protected] 5

→ First attempt – build a shielding wall on the tunnel side of the UJ56→ Initial assessment made in 2009 and presented on Feb 9th 2010.

09/06/2010

Is there any quick fix?... No

Shielding Effectiveness:

- Ground floor: ~10

- First floor: ~2Without shielding With shielding

© R. Versaci et al.

[email protected] 6

→Goal: Find a permanent solution to relocate the electronics currently in the UJ56 during the 2012 shutdown

→Limitation: For some equipment the cable length is critical (compensators)

→Priority: Racks located on the first floor should be taken care of first since they are the most vulnerable

→Asset: CMS has offered to assist in finding space in its experimental area

→Synergies: Opportunity to improve accessibility to equipment during operation

09/06/2010

Introducing the relocation effort


Proposal

→Move sensitive equipment from 1st floor and GND floor→Use the UJ561 personnel galley as much as possible

→ Choice of escape route for CMS/LHC personnel to be revisited

→Use parts of the USC55 when needed→Use UL55 Bypass tunnel when needed


Scenarios

→Common approach: use the UJ561 and USC55 S4→ 3 options for the CMS escape route

→Scenario A: use space UL55 bypass tunnel in addition→Scenario B: use space in USC55 control room in addition

S4 CTRLUJ561

UL55


Investing the space in UJ561

→Step 1: Assess what pieces of equipment need to move

All power converters17 racksSome racks will stay, others will be merged or eliminated



→Step 1: Assess what equipment needs to move

5 Components of the safe room targeted for relocation in the UJ561



→Step 2: suggest a layout

Philippe Orlandi, JC Guillaume, N Dos Santos [EN-EL]

Equipment organised by cable lengthlimitations

New safe room

Rack AreaPower converters

Evacuating the UJ561 might require new openings to the Bypass



RQX.R5

RTQX2.R5

RYCA01-02

GYPOS 01 à 03

DYPG01 & 02CYCIP01

CYNET01EYC01 à 03

EYU01 – EYP01

RYMCB01 à 05

RYLB01RYLC01RYSC01

→Step 3: Assign location to equipment


[email protected] 13

→Remarks:→ If adequately equipped, UJ561 could be accessible

through the USC55 at all times→Sectorisation scheme would have to be revisited→Space left between the power converters and the wall

is ~1m. →Cooling will require demineralised water→Ventilation scheme would include fan coils with a

chilled water link→New cable tray capacity will have to be found→ Cable ducts to be created using coring techniques

→ Impact on the CMS escape route to be assessed09/06/2010



Insertion of service ducts through coring

Cooled cablesCtrl cables

DC Power cables

Bottle neck Ø=350mmL<12m

From 1st floor


Alternative to study for water cooled cablesLength ~ 15m, Ø=350mmSimilar jobs were done between UA and RA

UP56UJ56

1st floor

2nd floor


If excavation could start from bypass:Better for scheduleAllows work in UP56 in parallel


→Feasibility studies will have to be carried out by GS-SEM→ Impact on neighbouring equipment to be assessed→ Impact on overall schedule to be assessed

09/06/2010



→3 options should be considered1. Keep the CMS escape route going through the UJ561

- Presence of flammable material- Small clearance between equipment and wall ~1m- Escape route would go through a safe room No need for civil engineering Identical to existing path

09/06/2010

CMS escape route – Option 1


→3 options should be considered2. Use the UL55 Bypass as escape route

- More complicated and longer escape path- Less favourable for ALARA (breezing of potentially

activated air) Limited need for civil engineering work No need to enter the UJ561

09/06/2010




J Bos PH-CMX

New blast door


→3 options should be considered3. Create a new escape gallery Width >1.2m Height=2.3m

- Civil engineering work required for ~ 3 months- Insertion in PM56 to be defined Shorter and safer escape route Fully compliant with standard emergency routes

09/06/2010



UXC55

USC55

Pillar WallUPX56

Shelter

PM56

09/06/2010

UP56

UJ561

UJ561?

A

BC

UJ56

3 routes considered at firstOnly limited tooling can be used



CMS escape route – Option 3.a

Formal request from CMS to consider a different position for the junction galleryThe new gallery should not introduce any risk to compromise the classificationof the USC55 as a non designated area

Meeting with DG-RP (S Roesler) on 27/05@14:00Possibility that the new junction gallery could introduce RP risk in the USC55No time to produce simulations before the workshop

JP Corso EN-MEF


B

09/06/2010

CMS escape route – Option 3.b

Services difficult to relocate


CMS escape route – Option 3.c

CV equipmentTo relocate for

R2E

BRAN GasCan be moved

6.92m

J Bos PH-CMX


→Connection of route3 inside the UJ56 allows keeping most of the services in place

09/06/2010

CMS escape route – Option 3.c

J Bos PH-CMX


→Remarks:→CMS would like route 3.c to become the baseline→ Impact of CE work on the overall work sequence to be assessed

→Where should the excavation start from?→How to remove the spoil? →How to ventilate the work site?→How to seal off CMS and sensitive equipment in the UJ56?

09/06/2010

CMS escape route

Likely configuration of CMS during the 2012 shut down


Relocation in USC55 S4

TYCFL02

DYXF01

YYACS01RYSA01 - 02

CYCIB01

→ Some rack users wish to group their electronics in the USC55 S4



Relocation in USC55 S4

S Maridor EN-MEF

Link between Bypass andUSC55 is nearing saturationBut should still be OK

S4 area is part of the USC55AUG network


→ In addition to the UJ561 and the USC55S4 area, the UL55 bypass would be used. Because of the existing cable trays, smaller racks would have to be used- Equipment installed there would not be available during operation- Using space for future upgrade projects+ No need for additional CE work+ Work in an area relatively empty

09/06/2010

Relocation scenario A


ERD1/56

EOD1/56 - EOD3/56

EBS1/56 - UPS machine

QYC01 - 03

RYSA01- 02

CYTIM01 – CYFRE01

Relocation scenario A



→ In addition to the UJ561 and the USC55S4 area, the USC55 control room area would be used

- Need for new metallic structures- Need for 1 service duct (CE work) between UJ561 and USC55- Additional mixing of LHC/CMS networks (already the case in S4)+ Equipment available at all times+ Work on the metallic structures could be done during operation => no

penalty for schedule+ Space in Bypass remains available for future projects such as inner

triplet upgrade+ Synergies with CMS upgrade programs

09/06/2010

Relocation scenario B


LHC EL

ROOM

6 LH

C ra

cks

Relocation scenario B

JP Corso EN-MEF


A second emergency exit has to be foreseen for theEvacuation of personnel in the new control room


→Whatever scenario is chosen the UJ56 will still host some equipment→Radiation Hard or Radiation Tolerant→The space freed by the relocation will allow the

erection of a shielding wall inside the UJ56, possibly with a roof

→Such a wall might not be needed after all, depending on tests to be performed on EN-EL equipment at CNGS

State of the UJ56 after relocation



Work method to be used to assemble the shielding wall still to be designed


ESD2/56ESD3/56

ESD1/56

Commutation et distrib. 48 Vdc

Chargeurs et bat. 48 Vdc

4 racks patch pannel

Tabl. HT 18 kV

Transfo 18/.4 kV

EBD1/56

EBD2/56EAD1/56

Ep. 1 m




→During relocation work, essential services would be powered through temporary switchboards installed on the 1st floor of the UJ56

Space left free by relocation of Power Converters



→Should all equipment in the safe room be made radiation tolerant or be relocated, substantial cost saving would be made on both the inner and outer shielding of the UJ56


Remaining issues to study

→Installation/construction methods and impact on schedule/cost→Shielding wall→CE work gallery/ducts→CV work (Water cooling and ventilation)→Cable tray capacity

→Impact of work on CMS & LHC (loss of services, dust..)

→Requests of a few racks owners


ID Task Name Duration

1 Install cooling pipes in UJ561 (demi and chilled water) 6 wks

2 Prepare removal Power Converters from UJ56 1st floor 30 days

6 Prepare UJ561, UL55 and USC55 for relocation 40 days

12 Move Power Converters to UJ561 10 days

15 Install cables for UPS/ERD/Pcters 20 days

16 Install and connect cables to UPS and Power Converters 4 wks

17 Install and connect cables to control racks (AU, switchboards…) 4 wks

18 Prepare UJ56 for reorganisation 20 days

19 Remove cables linked to Ctrl protection and Survey 4 wks

20 Prepare relocation of EL safe room 30 days

21 Install temporary switchboards in UJ56 1st floor 6 wks

22 Install short cables between switchboards 6 wks

23 Connect temporary switchboards 6 wks

24 Switch on temporary switchboards 6 wks

25 Remove existing equiipment in safe room 6 wks

26 Build shilding wall 6 wks

27 Excavate escape gallery + coring jobs 12 wks

28 Build new UJ56 saferoom 20 days

29 Erect new partit ion walls 2 wks

30 Modify false floor 2 wks

31 Reinstall safe room in UJ56 40 days

32 Install cable trays 8 wks

33 Install new switchboards 8 wks

34 Install cables to new switchboards 8 wks

35 Switch on new switchboards 8 wks

36 Form service ducts 8 wks

37 Install ctrl and DC cables 100 days

38 Install ctrl and DC cables between UJ56 and UJ561, UL55 and USC55 20 wks

39 Install patch panels in UJ56 racks (not relocated) 20 wks

40 Install connectors 20 wks

41 Commiss ion new cables + connectors 20 wks

42 Install cooled cable trays 30 days

43 Install cable supports 6 wks

44 Install cooled cables + test 6 wks

45 Commiss ion full system 6 wks

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug SepQtr 4, 2011 Qtr 1, 2012 Qtr 2, 2012 Qtr 3, 2012 Qtr 4, 2012 Qtr 1, 2013 Qtr 2, 2013 Qtr 3, 2013

Very first draft time estimates

Time window for CE and shielding work

Total EN-EL work ~ 14.5 Months CE gallery ~ 3 months


Very first draft time estimates

→Once the work methods will have been designed, opportunities to work in parallel could emerge.

→Many pieces of information are still missing. This prevents the design of a reliable schedule.

→It looks reasonable to assume that the work could not take less than 15 months.


Very first draft cost estimates

→EN-EL work: ~ CHFM2.3→Not including work to be done by other service groups

contributing to the relocation of EN-EL equipment→GS-SEM work:→Escape gallery: < CHFM1→Service ducts: CHF4,000/m→E.g: 15m link between UJ56 and bypass = CHF60,000

→Costs of fire doors, smoke detection, metallic structures, cooling and ventilation, re-commissioning still not assessed


Summary

→The relocation program at point 5 is a major undertaking.

→It will remain a cross department effort→It will be a multimillion CHF project→It will be difficult to fit it into a 1 year shutdown→Many pieces of information are still missing→Defining a baseline scenario is urgently needed to

focus the few resources available on detailed studies

CERN, February 9th Extended R2E Seminar & Workshop PreparationCERN, February 9th Extended R2E Seminar & Workshop Preparation

F. DELSAUX

ENVIRON 18 MHT LIBRE 2600 mm

CHICANE

UJ56

1500

R562

VERS UJ56

VERS UJ57

UJ56 Shielding Option

46


BLINDAGE UJ56

MUR FIXE ACIERHAUTEUR 2000mm

COMPLEMENTBRIQUETTES ACIERHAUTEUR 600mm

BLINDAGE ACIERDEMONTABLEEP. 400mmHAUTEUR 2000mm

MONORAIL

RAIL DE MANUTENTIONDES BLOCS DE BLINDAGE

300mm

800mm

300mm

400mmxz view


F. DELSAUX

47

Added shilding


xz view

UJ56 Shielding OptionAssuming 1 year of operation at nominal luminosity (100 fb-1)


- Ground floor: ~10

- First floor: ~2

Upstream weak-point could be improved, so could be the maze … BUT

48



Assuming 1 year of operation at nominal luminosity (100 fb-1)


- Ground floor: ~10

- First floor: ~2

w/o shielding


with shielding

1st Floor-Shielding can hardly be improved

-> First Floor Critical

49


P5: UJ56 Relocation Study Contributions from BE -ABP -ASR -BI -CO DG -RP EN -CV -EL -MEF -STI GS...

Documents

Transcript of P5: UJ56 Relocation Study Contributions from BE -ABP -ASR -BI -CO DG -RP EN -CV -EL -MEF -STI GS...