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LBNF Long-Baseline Neutrino Facility Current Distribution of Steel Shielding for LBNF Near Site Matthew A. Sawtell Beamline Integration Meeting 23OCT19 Background LBNF Near Site will need steel shielding in key locations for the LBNF


  1. LBNF Long-Baseline Neutrino Facility Current Distribution of Steel Shielding for LBNF Near Site Matthew A. Sawtell Beamline Integration Meeting 23OCT19

  2. Background • LBNF Near Site will need steel shielding in key locations for the LBNF Primary and Neutrino Beamlines - LBNF-20 Target Hall Complex - LBNF-30 Absorber Hall Complex - Muon Kern • Sources for the shielding varies - Recycled Steel from past experiments - Blue Blocks - 9.11” CCSS (Continuous Cast Scrap Steel) from Gary, Indiana - Stock Steel - ‘Filler’ 2 23OCT19 Matthew A. Sawtell | Current Distribution of Steel Shielding for LBNF Near Site LBNF/DUNE

  3. Quick Overview of Locations of Steel Shielding for LBNF Near Site Muon Kern LBNF-30 Absorber Hall Complex LBNF-20 Target Hall Complex 3 23OCT19 Matthew A. Sawtell | Current Distribution of Steel Shielding for LBNF Near Site LBNF/DUNE

  4. Steel Shielding for LBNF-20 Target Hall Complex Battlement and Hatch Covers Shield Pile Embedded Steel 4 23OCT19 Matthew A. Sawtell | Current Distribution of Steel Shielding for LBNF Near Site LBNF/DUNE

  5. Steel Breakdown of LBNF Target Shield Pile Blue – 146 Blue Blocks Shield complies with requirements outlined in DUNE DocDB 221 Purple – ‘Filter Steel’ Pink – Chicago Cyclotron Gold – CDF Muon Maroon – 9.11” Steel Yellow – 2” Plate Pile to Fit in Bunker Brown – 10” x 96” x 26” 20.5 Feet Wide Block 112.25 Feet Long 27.375 Feet Deep (Upstream End) Grey – ‘Foot’ Weldments 32.875 Feet Deep (Downstream End) 5 23OCT19 Matthew A. Sawtell | Current Distribution of Steel Shielding for LBNF Near Site LBNF/DUNE

  6. Steel Breakdown of LBNF-30 Absorber Hall Complex Absorber Pile Muon Monitors Muon Kern 6 23OCT19 Matthew A. Sawtell | Current Distribution of Steel Shielding for LBNF Near Site LBNF/DUNE

  7. Steel Breakdown of Muon Monitors 50 Blue Blocks 9.11” Steel Conceptual Design, configuration and quantity subject to change 7 23OCT19 Matthew A. Sawtell | Current Distribution of Steel Shielding for LBNF Near Site LBNF/DUNE

  8. Muon Kern Maroon – 692 Blue Blocks Pink – Chicago Cyclotron Trapezoidal Shape Upstream Side – 24 Square Feet Downstream Side – 10 Square Feet Length – 80 Feet Kern complies with requirements outlined in DUNE DocDB 222 & 324 8 23OCT19 Matthew A. Sawtell | Current Distribution of Steel Shielding for LBNF Near Site LBNF/DUNE

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