ML20236V445

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Forwards Rev 1 to 4710-3221-86-011, SER for Core Support Assembly & Lower Head Defueling. Rev Permits Use of Unborated Coolant Water in Plasma Arc Torch.Rev Also Updates job-hours & person-rem Expended Through 871031
ML20236V445
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
ML20236V448 List:
References
4410-87-L-0138, 4410-87-L-138, NUDOCS 8712040310
Download: ML20236V445 (1)


Text

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GPU Nuclear Corporation GPU: Nuclear ;aorsadeo B Middletown, Pennsylvania 17057-0191 717 944 7621 TELEX 84-2386 Writer's Direct Dial Number:

(717) 948-8461 November 30, 1987 4410-87-L-0138/0067P 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 Docket No. 50-320 Core Support Assembly and Lower Head De*ueling Attached for your review and approval is Revision 1 to the Core Support Asserr.bly and Lower Head (CSA/LH) Defueling Safety Evaluation Report (SER).

This revision supercedes Revision 0 which was submitted to the NRC on l February 6, 1987. This revision permits the use of untorated coolant water in

the plasma are torch. The torch coolant inventory is '..imited so that no more l than 3 gallens of unborated water is available to inad,/ertently drain into the l Reactor Vessel. This volume of unborated water will n
3t present a criticality l l

safety concern in the Reactor Vessel.

{

j This revision also updates the job-hours and person-rum expended through October 31, 1987, for defueling activities.

Sincerely, b

N

. . Standerfe Director, TMI-2 FRS/CJD/eml Attachment cc: Regional Administrator, Region 1 - W. T. Russell Director, TMI-2 Cleanup Project Directorate - Dr. W. D. Travers

- .00 B7120A0310 B71130 N PDR ADOCK 05000320 P pgp 1

\k GPU Nuclear Corporation is a subsidiary of the Gener al Public Utahties Corporation i

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