20071103 DUSEL DC

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR  Education / Experience  Modular Configuration  Chamber Design  Chamber Time Line Estimate November 2007 Mark A. Laurenti  Chamber Cost Estimate

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Homestake (1983 – 2001) Shaftman Contract Miner Mine Engineer Underground Mine Foreman Underground Chief Engineer Underground Chief Engineer Surface Technical Services Superintendent Mark A. Laurenti November 2007 Mark Laurenti Vulcan Materials (2001 – Present) Underground Project Design & Construction Manager Underground Plant Manager McCook Reservoir (TARP) Project Manager Education BS Mine Engineering (SDSM&T 1983) MBA (University of SD 2001)

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti November 2007  Chamber Design Controlled Blasting in Chamber Could use Instrumented Cables for Engineering / Geotechnical Study

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti November 2007  Chamber Design Note ! 3 Chambers Drilled in Costing

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti November 2007  Modular Configuration

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti March 2007  Modular Configuration

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti November 2007  Chamber Time Line Estimate General Parameters

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti November 2007  Chamber Time Line Estimate Design (3) 7 Months Site Set up (6) 9 Months Excavate Chamber (1) 61 months 3 Chambers drilled 6 Chambers Accessed 1 Chambers Mined

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti November 2007

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti November 2007

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MEGATON MODULAR MULTI-PURPOSE NEUTRINO DETECTOR Mark A. Laurenti November 2007