ML20210N680

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Approves Util 860816 Proposal Re Storage of Upper End Fittings & 860909 Addl Info on Subj Loading & Storage of 55 Gallon Drums.Safety Evaluation Encl
ML20210N680
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 09/25/1986
From: Travers W
Office of Nuclear Reactor Regulation
To: Standerfer F
GENERAL PUBLIC UTILITIES CORP.
Shared Package
ML20210N685 List:
References
CON-NRC-TMI-86-096, CON-NRC-TMI-86-96 NUDOCS 8610060613
Download: ML20210N680 (2)


Text

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DISTRIBUTION h DN 50-320 Local PDR NRC PDR

$ DCS THI Site r/f TMI HQ r/f September ?_5, 1986 FJMiraglia

. NRC/TMI 86-096 WDTravers HTMasnik Docket No. 50-320 CJCowgill

. TAMoslak Mr. F. R. Standerfer LChandler Vice President / Director, Till-2 ACRS GPU Nuclear Corporation I&E P. 0.^ Box 480 M-Town Office

!!iddletown, PA 17057 Service List

Dear Hr. Standerfer:

Subject:

Storage of Upper End Fittings

References:

1. GPUN letter, 410-86-L-0132, dated August 16, 1986, F. R.

Standerfer to W. D. Travers, " Storage of Upper End Fittings"

~ 2. GPUN letter, 4410-86-L-0160, dated September 9, 1986, F.

R. Standerfer to W. D. Travers, "End Fitting Storage"

3. NRC memorandum, C. R. Harotta, NHSS-TCB, to L. H. Thonus, c NRR-THICPD, dated Septenber 18, 1986, regarding criticality analyses of 55 gallon drums The Nuclear Regulatory Comission (NRC) staff has completed its review of your August 16, 1986 proposal for storage of upper end fittings and the additional information provided in your September 9,1986 letter (references 1 and 2).

The nethodology and assumptions used in your calculational nodels are

. conservative. In addition, the staff has perfermed independent confimatory calculations. Both your results and the staff's results denonstrate that a large shutdown margin exists for both single drums and a large planar array of

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55 gallon drums.

We therefore approve loading and storage of the array of 55 gallon druas as described in your submittal. This approval is contingent upon submittal of related procedures subject to Technical Specification 6.8.2. Since the i shutdown margin is provided by the soluble boron should limit those activities (i.e. hydrolasing) your operational which procedures could introduce non-borated water in the storage area. These procedures should also provide for periodic reverification of the boron concentration if the storage interval is protracted.

c Sincerely, ccGMAI SKMED BY Wi%m D. Trovwes U. D. Travers Director THI-2 Cleanup Project Directorate ames > 8610060613 860925

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