Polarized Target In Hall A in pictures and cost

UVA Polarized Target In Hall A Pictures and CostPaul BrindzaDec 17, 2009UVA/PT in Hall A OutlineSome Target area illustrations and PhotosEquipment standsDown stream Beam Line and DumpTypical Scattering Chamber customizationCost summaryCost detailsConclusions

CAD World View of UVA/PT GEN Experiment in Hall CHall A UVA/PT Beam Line Chicane

TungstencalorimeterSEMBPMBCMMollerTargetcenterFast rasterEPSlow raster85cm10 m4 mChicane Design : Jay Benesh (JLab CASA)

Two upstream Dipoles, one with vertical degree of freedom. Reuse the dipoles from the HKS experiment.Utilize open space upstream of target. Minimal interference with existing beamline equipment.UVA/Jlab 5 T Polarized TargetUpstream Chicane and supportsSlow raster and Basel SEM.Instrumentation for 50-100 nA beam.Local beam dump.Hall A Septa.Major Installation

UVA/PT Scattering chamber and end of entrance beam line

UVA/PT Target Platform

UVA/PT equipment deck with dewar

UVA/PT Overhead View with pump line

CAD World View of UVA/PT and related equipment

UVA/PT GEN Helium Bag

Beam Dump for UVA/PT GEN Experiment

Beam Dump Shielding for UVA/PT GEN

SANE Scattering Chamber for UVA/PT

CAD representation of SANE Scattering ChamberUVA/PT in Hall A Cost SummaryTotal cost of Beam line & girder 195 K$Total cost of UVA PT in Hall A 457 K$Total Experiment Specific costs for the UVA/PT 261 K$

Total cost of Beam line, Pol target and RT septum 913 K$Hall A vertical Beam ChicaneOutsource to ACC Div and/or Eng DivLocationEngineeringDesignFabricationRemovalInstallationBZ1 MagnetHall C0.52BZ2 MagnetHall C0.52New BZ2 elevator24200002New articulating beam line48170002BZ1 DC power supplyHall C0.21BZ2 DC Power SupplyHall C0.21DC cablesHall C0.11New LCW connections150002New 480 V AC power9000New BZ controls0.150002New BZ FSD0.130000.5New beam vacuum pumps0.150000.3Alignment2Girder & Beam InstrumentationOutsource to ACC Div and/or Eng DivNew Hall A/UVA Target Beam Girder38200002Remount existing beam instrumentationHall A20004Cabling for beam instrumentation100002New Vacuum pumps0.150000.5alignment1EngineeringDesignFabricationRemovalInstallationSubtotals for labor (MW)10.420NA1.527.3Cost (K$)20.8301012.2540.95Outsourced sub totalTotal cost of Beamline & girder(K$)195Experiment Specific CostsUVA Target Scattering ChamberLocationEngineeringDesignFabricationRemovalInstallationNew Target Scattering chamber for Hall A exit angles26200001New Target LN2 shield for Hall A exit angles0.1150001New Target Exit windows1140000.5Beam line BE exit window and line0.050.320000.05Target chamber entrance Be window0.0510000.05Target Chamber exit BE window0.0520000.05Install UVA PT in Hall A5alignment1UVA Target Hall A Downstream beam line LocationEngineeringDesignFabricationRemovalInstallationNew Downstream beam line Helium bag3250001New He bag entrance widnow0.515000.05New He bag exit window0.540000.1New He Bag stand12100001In hall beam dumpAccelerator0.10.2Beam dump shieldingJLAB0.5New Yoke for RT SeptumLocationEngineeringDesignFabricationRemovalInstallationNew Split Yoke for RT septum2430000New RT septum yoke/coil mechanical support1310000New RT septum multi angle mount2825000New RT septum beam tubes110000New RT septum sieve slits24000New RT septum entrance windows14000Modify RT septum24Install Rt septum4Alignment2EngineeringDesignFabricationRemovalInstallationSubtotals for labor (MW)9.2533.3NA2.121.5Cost (K$)18.549.95157.53.1532.25Total Experiment Specific costs for the UVA/PT(K$)261.35K$UVA Target mountLocationEngineeringDesignFabricationRemovalInstallationNew/modify UVA Target platform for Hall A Pivotstorage28350000.21New Railings and ladders180000.2AC power4000Local lighting2000alignment1Target Equipment PlatformLocationEngineeringDesignFabricationRemovalInstallationEquipment Platform modifications or newstorage1250000.21railings and ladders150000.2New AC power8000New local lighting2000Target Vacuum systemLocationEngineeringDesignFabricationRemovalInstallationTarget Pump lineHall C20.42New Target Vacuum donut line13200001New Target vacuum line support12100001Vane PumpsHall C0.10.20.4Roots PumpsHall C0.10.20.4Helium FilterHall C0.10.2New Helium return line100002New Target vacuum system skid or platform24100001New Target Vacuum Pump 480 V AC power8000New Target vacuum pump cooling water0.540000.5UVA PT Installation in Hall ATarget Cryogenic systemLocationEngineeringDesignFabricationRemovalInstallationBuffer DewarStorage0.21Buffer dewar fill/withdrawal adaptorStorage0.2Target LHE Delivery tubeStorage0.2Target He Fill valveStorage0.2Target He Liquid Level Controls Storage0.2New Target He gas return line100002New Target LN2 Delivery Tube230000.2Target LN2 Supply Valvestorage0.20.2Target LN2 Liquid Level controlstorage0.2New Target N2 Gas return line50002New Buffer Dewar Helium Supply tube0.5250000.2New Buffer Dewar Helium Return tube0.5250000.2Buffer Dewar Liquid level controlstorage0.2New Buffer Dewar Helium Supply valve50000.2New Buffer Dewar Helium Return valve50000.2New Buffer Dewar Helium cool down valve20000.2New Buffer Dewar Warm gas return line50001New siamese adaptor for HRS Q1 cryo supply26200002Stands and supports for some of the above13150002Major Hall A item removal workLocationEngineeringDesignFabricationRemovalInstallationRemove upstream girder1remove US girder stands0.5remove US beamline between moller and target chamber0.2remove Hall A target1remove HRS sieve slits1remove hall A scattering chamber1remove downstream beam line2remove down stream beam line stands2remove downstream beam instrumentation(lumi's etc etc)0.2remove down stream beam line vacuum system0.1as found alignment survey1Repair of UVA PT SC magnetLocationEngineeringDesignFabricationRemovalInstallationRepair of SC magnet at Oxford Instruments2100000Shipping 60001EngineeringDesignFabricationRemovalInstallationSubtotals for labor (MW)13.538.2NA10.726.5Cost (K$)2757.331716.0539.75Total cost of UVA PT in Hall A(K$)457.1Conclusions UVA/PT in Hall AInstallation of UVA/PT in Hall A is FeasibleCost is significant at 913 K$ Total inc. LaborEng & Design 125 MW (+20% / -0%)Eng and Design is a 12 month effort! Removal &Installation 90 MW ( +20 % / -0%)This can be done in the 6 Month shutdown