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Forwards documentation providing assumptions,methodology, analyses & conclusions which support implementation of EHNP, Unit 1 core shroud,per 940824 response to GL 94-03 for review.W/proprietary drawings.Drawings withheld.

Accession Number: ML17062B110

Date Released: Friday, October 2, 2020

Package Contents

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• ML20073A333 - Forwards documentation providing assumptions,methodology, analyses & conclusions which support implementation of EHNP, Unit 1 core shroud,per 940824 response to GL 94-03 for review.W/proprietary drawings.Drawings withheld. (27 page(s), 9/2/1994)
• ML20073A345 - "Safety Evaluation for Installation of Stabilizers on Hatch Unit 1 Core Shroud." (19 page(s), 8/23/1994)
• ML20073A348 - "Shroud Mechanical Repair Program Hatch Unit 1 Shroud Repair Hardware Stress Analysis." (46 page(s), 8/31/1994)
• ML20073A352 - "Seismic Design Rept of Shroud Repair for Hatch Unit 1 Nuclear Power Plant." (37 page(s), 8/23/1994)
• ML20073A357 - Rev 1 to Design Spec 24A5125, "Shroud Stabilizers." (7 page(s), 8/10/1994)
• ML20073A358 - Rev 0 to Mod & Installation PL107E5447, "Reactor" mod drawing part list. (2 page(s), 8/22/1994)
• ML20073A369 - Rev 1 to Design Spec 25A5572, "Shroud Repair Hardware." (9 page(s), 8/18/1994)
• ML20073A377 - Rev 0 to Fabrication Spec 25A5573, "Fabrication of Shroud Stabilizers." (10 page(s), 8/22/1994)
• ML20073A386 - Rev 0 to Installation Spec 25A5593, "Stabilizer Installation." (8 page(s), 8/23/1994)
• ML20073A391 - Rev 0 to Stress Rept 25A5594, "Shroud Stabilizers." (16 page(s), 8/18/1994)
• ML17062B109 - Rev 1 to Installation Spec 21A2040, "Cleaning & Cleanliness Control for Field Mods of Vessel Components." (14 page(s), 7/22/1980)
• ML20073A406 - Rev 0 to Field Disposition Instruction 0185-12000, documenting design,requirements & matl required to install stabilizers for shroud horizontal welds.W/three proprietary oversize drawings. (74 page(s), 8/23/1994)