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Services Update. Progress on services Detector cabling Gas systems Cooling systems Rack footprint Primary electrical distribution Utilities Principle Priorities For Q4 2003. Services on RB26 side Must be installed this year, in order to close the doors Complex routing & limited space

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Presentation Transcript

Services Update

  • Progress on services

    • Detector cabling

    • Gas systems

    • Cooling systems

  • Rack footprint

  • Primary electrical distribution

  • Utilities

  • Principle Priorities

    • For Q4 2003


Progress on services

Services on RB26 side

Must be installed this year, in order to close the doors

Complex routing & limited space

Temporary supports will be required inside the L3 magnet

Progress On Services

Layout at time of last

ALICE week

Some gas & cooling pipes

Basic Bus Bar layout

Some cables


Detector cabling 1

Inventory well advanced

Over 1600 cables to be installed on RB26 side

Detector Cabling (1)

Rack allocation

Cable type

CERN standard

or special

Typical inventory for TPC



Detector cabling 3

High voltage and signal cables

Will be installed using the existing EST/LEA industrial support contract

Under the direct supervision of the ALICE team

Cables will be installed and cut to approximate length

Cables will be cut to the exact length and connectors will be added, when the detectors have been put in place

Fiber optic cables

ALICE team will install the ducts

The specialist team from ST/EL will blow the fibers at a later date

Detector Cabling (3)


Gas systems
Gas Systems

Status 1st. September 2003


Cooling systems
Cooling Systems

Status 1st. September 2003


Layout of services 1
Layout of Services (1)

Start off with a clean sheet


Layout of services 2
Layout of Services (2)

Fiber optic cables

Bus Bars

Cooling & Gas pipes

ITS services

Gas, Cooling & Bus

Bars on back frame


Layout of services 3
Layout of Services (3)

Cooling & Gas pipes

Through doors

Bus Bars


Layout of services 4
Layout of Services (4)

Access passage around

Back frame


Detector cabling 5
Detector Cabling (5)

Installation schedule for cables on RB26 side

Between September & December 2003


Rack footprint 1

Standard 52U high racks

UX25 cavern

133 racks have been identified

Racks allocated to sub-detectors

Numbering follows CERN ST/EL standard

Grouped into 4 areas (see following slide)

PX24 counting rooms

Existing racks will be used

Allocated as required

Rack Footprint (1)


Rack footprint 2
Rack Footprint (2)

Inside machine

Outside machine

Big block house

Small block house


Rack footprint 3

Crate allocation (UX25)

Well advanced

~60 out of 132 racks have detailed crate layout

Rack Footprint (3)


Primary electrical distribution
Primary Electrical Distribution

  • Now well understood

  • Power for counting rooms supplied from surface transformer

  • Power to Experimental Area

    • One transformer will supply power to racks

    • A separate transformer will supply power to equipment with pumps etc.


Primary electrical distribution1
Primary Electrical Distribution

2MVA Transformer

1,25MVA Transformer

EXD1/2X

EBD1/2X

EBD5/2X

EBD3/2X

S.G. SX2 et PX24

Eclairage,clim PX24

Niv.1

Niv.2

1,25MVA

1,25MVA

1,25MVA

Niv.3

EXD1/25

EBD1/25

EQD1/25

Niv.4

EXD-/20

EBD1/20

BOUCHON

700KVA

Rech. Cryo

Free

EBD3/25

EBD2/29

Alim S.G. UX25

Pont roulant

Force 125A-63A,….

ST-CV

EBD4/25

Alim S.G. UX25

Eclairage,petite force

Auxiliaires,…….

EBD3/29


Tpc lasers
TPC Lasers

New shielding layout

gives better access

to TPC lasers


Vo cable length
Vo Cable Length

Cable length 25m


Utilities

Mixed water supply

Rack filling factor of 100%

Cooling efficiency 90%

Number of racks reduced

From 140 to 133

Cavern ventilation

4% reduction

Utilities


Priorities for last quarter of 2003

Side structures

For racks

To allow Bus Bar & cable installation

Services through RB26 doors

Bus Bars

Cables

Gas pipes

Cooling pipes

Priorities For Last Quarter of 2003

To counting room (P4)

Detector

Cable installation

Modified side structures

(UX25)

Rack positions


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