West Wall Compressor Requirements

West Wall Mezzanine•Move compressors to the West Wall to distance from magnetic field•Find compressor position on West Wall to meet <= 30m hose lengths•Build necessary structure to support compressors & services•Additional requirements

• Personnel access• Compressor access (for installation & swap)• Equipment delivery & assembly space (esp MICE Devices)

Compressor Line Routing

Different Routing Layouts Many routes tried

Compressor Locations (based on hose routing)

15 xCryomech Compressors

4 xSumitomo Compressors Step V

& VI racks

Step IV racks

Other Features

Ramp to north mezzanine

Walkway over hose & cables

Stairs access to south

mezzanine

Compressor on a scissor

jack trolley

Equipment Delivery & Assembly Area

SS in lifting position with tandem lifting frame

RFCCas delivered

(laid down & no RF couplings)

MLCR & Rack Room #2

Extended MLCR

Existing locker room

= Rack Room #2

2D Layout from John Webb

ISIS Plant room door move (position TBD)

Toilets will be removed for new ISIS

switchgear (2014)New access doors

Cables routed under stairs

with access via Rack Room #2 (volume to be

fireproofed)Existing rack room = Rack Room #1

Cables routed under false floor

then into Hall (not an insignificant

task!)

ISIS switchgear