UVA Polarized Target In Hall A Pictures and Cost Paul Brindza Dec 17, 2009

UVA/PT in Hall A Outline Some Target area illustrations and Photos Equipment stands Down stream Beam Line and Dump Typical Scattering Chamber customization Cost summary Cost details Conclusions

CAD World View of UVA/PT GEN Experiment in Hall C

Hall A UVA/PT Beam Line Chicane Tungsten calorimeter SEM BPM BCM Moller Target center Fast raster EP Slow raster 85cm 10 m 4 m Chicane 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 Target Upstream Chicane and supports Slow raster and Basel SEM. Instrumentation for 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 Chamber

UVA/PT in Hall A Cost Summary Total 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 Chicane Outsource to ACC Div and/or Eng Div LocationEngineeringDesignFabricationRemovalInstallation BZ1 MagnetHall C0.52 BZ2 MagnetHall C0.52 New BZ2 elevator New articulating beam line BZ1 DC power supplyHall C0.21 BZ2 DC Power SupplyHall C0.21 DC cablesHall C0.11 New LCW connections New 480 V AC power9000 New BZ controls New BZ FSD New beam vacuum pumps Alignment2 Girder & Beam Instrumentation Outsource to ACC Div and/or Eng Div New Hall A/UVA Target Beam Girder Remount existing beam instrumentationHall A20004 Cabling for beam instrumentation New Vacuum pumps alignment1 EngineeringDesignFabricationRemovalInstallation Subtotals for labor (MW)10.420NA Cost (K$) Outsourced sub totalTotal cost of Beamline & girder(K$)195

Experiment Specific Costs UVA Target Scattering Chamber LocationEngineeringDesignFabricationRemovalInstallation New Target Scattering chamber for Hall A exit angles New Target LN2 shield for Hall A exit angles New Target Exit windows Beam line BE exit window and line Target chamber entrance Be window Target Chamber exit BE window Install UVA PT in Hall A5 alignment1 UVA Target Hall A Downstream beam line LocationEngineeringDesignFabricationRemovalInstallation New Downstream beam line Helium bag New He bag entrance widnow New He bag exit window New He Bag stand In hall beam dumpAccelerator Beam dump shieldingJLAB0.5 New Yoke for RT Septum LocationEngineeringDesignFabricationRemovalInstallation New Split Yoke for RT septum New RT septum yoke/coil mechanical support New RT septum multi angle mount New RT septum beam tubes New RT septum sieve slits24000 New RT septum entrance windows14000 Modify RT septum24 Install Rt septum4 Alignment2 EngineeringDesignFabricationRemovalInstallation Subtotals for labor (MW) NA Cost (K$) Total Experiment Specific costs for the UVA/PT(K$)261.35K$

UVA Target mount LocationEngineeringDesignFabricationRemovalInstallation New/modify UVA Target platform for Hall A Pivotstorage New Railings and ladders AC power4000 Local lighting2000 alignment1 Target Equipment Platform LocationEngineeringDesignFabricationRemovalInstallation Equipment Platform modifications or newstorage railings and ladders New AC power8000 New local lighting2000 Target Vacuum system LocationEngineeringDesignFabricationRemovalInstallation Target Pump lineHall C20.42 New Target Vacuum donut line New Target vacuum line support Vane PumpsHall C Roots PumpsHall C Helium FilterHall C New Helium return line New Target vacuum system skid or platform New Target Vacuum Pump 480 V AC power8000 New Target vacuum pump cooling water UVA PT Installation in Hall A

Target Cryogenic system LocationEngineeringDesignFabricationRemovalInstallation Buffer DewarStorage0.21 Buffer dewar fill/withdrawal adaptorStorage0.2 Target LHE Delivery tubeStorage0.2 Target He Fill valveStorage0.2 Target He Liquid Level ControlsStorage0.2 New Target He gas return line New Target LN2 Delivery Tube Target LN2 Supply Valvestorage0.2 Target LN2 Liquid Level controlstorage0.2 New Target N2 Gas return line50002 New Buffer Dewar Helium Supply tube New Buffer Dewar Helium Return tube Buffer Dewar Liquid level controlstorage0.2 New Buffer Dewar Helium Supply valve New Buffer Dewar Helium Return valve New Buffer Dewar Helium cool down valve New Buffer Dewar Warm gas return line50001 New siamese adaptor for HRS Q1 cryo supply Stands and supports for some of the above Major Hall A item removal work LocationEngineeringDesignFabricationRemovalInstallation Remove upstream girder1 remove US girder stands0.5 remove US beamline between moller and target chamber0.2 remove Hall A target1 remove HRS sieve slits1 remove hall A scattering chamber1 remove downstream beam line2 remove down stream beam line stands2 remove downstream beam instrumentation(lumi's etc etc)0.2 remove down stream beam line vacuum system0.1 as found alignment survey1 Repair of UVA PT SC magnet LocationEngineeringDesignFabricationRemovalInstallation Repair of SC magnet at Oxford Instruments Shipping60001 EngineeringDesignFabricationRemovalInstallation Subtotals for labor (MW) NA Cost (K$) Total cost of UVA PT in Hall A(K$)457.1

Conclusions UVA/PT in Hall A Installation of UVA/PT in Hall A is Feasible Cost is significant at 913 K$ Total inc. Labor Eng & 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