Stave 250: Preparations at RAL

Peter & Martin

Stock at RAL• BCC V3

– 1 with correct RTERM fitted– 3 with RTERM removed– 19 scheduled to have RTERM removed– 10 more to be shipped with the stave core

• EoS– 1 cut (ready for stave)– 1 uncut

• Modules– Cambridge M5, M6– “US module” – can anyone confirm its identity?

• 7 boxes in progress at Liverpool, more modules will ship soon

• Tandem DC-DC– 1 uncut, unmounted

• Did not work unloaded during CERN tests, best avoid?– 1 uncut, mounted– 12 cut, mounted

• Significant glue voids on most samples, only 2 good for use• Remainder will return to Oxford to be reworked

OK

OK

“BURCO2” cooling plant• Plumbing to gas shed partially done• Gas shed contains gas panel & 1 bottle• Pipes to connect to stave frame ready

CO2 Safety• Bund under plant collects lost CO2 • Will house “Cellar Safe” Detector (below)• Alarm will

• close CO2 Solenoid• Start extractor fan (flex pipe)• Be shown on repeaters at room doors

The stave will sit in its own bund. CO2 collected in this one “drains” to thelower Bund (with the CO2 sensor) through a fan assisted pipe (not shown).

The stave test coverhas a clear panel toverify there is no ice.An opaque lid will sit on top of this.

Cables & Readout• LV pigtail and cable made (shown on last slide)• HV cable Glenair to D37 Made

– D37 extension in progress• mates directly to HV MUX box

– Patch panel to 12 SCTHV channels in progress as backup• HSIO and 2 x CPX400DP PSU will sit on shelf on top of the bund

– Within reach of 5ft SAMTEC cables• 3 * SCTHV will sit in half height rack below the bench• Cambridge Interlock will monitor cooling and interlock Stave

power• New windows 7 PC to be installed next week