ML20236V570

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Forwards Rev 1 to Criticality Safety Assessment for Using Plasma Arc Torch to Cut Lower Core Support Assembly. Rept Submitted in Support of Rev 1 to Core Support Assembly & Lower Head Defueling SER Encl W/Util Ltr 4410-87-L-0138
ML20236V570
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 11/30/1987
From: Standerfer F
GENERAL PUBLIC UTILITIES CORP.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
Shared Package
ML20236V572 List:
References
4410-87-L-0139, 4410-87-L-139, NUDOCS 8712040379
Download: ML20236V570 (1)


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Middletown. Pennsylvania 17057-0191 717 944 7621 TELEX 84-2386 f Writers Direct Dial Number: l (717) 948-8461 l November 30, 1987 4410-87-L-0139/0221P I

US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Dear Sirs:

Three Mile Island Nuclear Station, Unit 2 (TMI-2) ,

Operating License No. DPR '73 '

Occket No. 50-320 Criticality Safety Assessment for use of the Plasma Arc Torch To Cut the Lower Core Support Assembly <

Attached for your information is a copy of the TMI-2 Criticality Safety Assessment for Use of the Plasma Arc Torch To Cut the Lower Core Support Assembly. The purpose of this assessment is to demonstrate that the plasma are torch can be used to dismantle the Lower Core Support Assembly without j creating a criticality safety cor.cern within the Reactor Vessel. J l This report is submitted in support of Revision 1 to the Core Support Assembly and Lower Head Defueling Safety Evaluation Report which has been submitted via GPU Nuclear letter 4410-87-L-0138.

Sincere y, I

F. R. tanderfer Director, TPJ-2 FRS/CJD/eml

, Attachment s cc: Regional Administrator, Region 1 - W. T. Russell Director, THI-2 Cleanup Project Directorate - Dr. W. D. Travers t

8712040379 871130 PDR g ADOCK 05000320 9 P pon 0\

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GPU Nuclear Corporation is a subs; diary of the General Public Utilities Corporation

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