ML20003B672

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Submits Addl Comments on NUREG-0737,Items II.B.2 & II.K.3.30.Design Review Completed Re Plant Shielding for Spaces Outside Containment That May Be Used in post-accident Operations
ML20003B672
Person / Time
Site: Hatch  Southern Nuclear icon.png
Issue date: 02/16/1981
From: Widner W
GEORGIA POWER CO.
To:
Office of Nuclear Reactor Regulation
References
RTR-NUREG-0737, RTR-NUREG-737, TASK-2.B.2, TASK-2.K.3, TASK-2.K.3.30, TASK-TM NUDOCS 8102250148
Download: ML20003B672 (2)


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!.3 W. A. W I[ner February 16, 1981 GeorgiaPower Ye?e",*,9?le'.,[c?n*"*' " ' *"

rne sourrm eac s, stem Director of Nuclear Reactor Regulation U.

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Nuclear Regulatory Commission Washington, D.

C.

20555 NRC 00CKETS 50-321, 50-366 OPERATING LICENSES DPR-57, NPF-5 EDWIN I.

HATCH NUCLEAR PLANTS UNITS 1, 2 ADDITIONAL COMMENTS ON NUREG-0737 ITEMS GENTLEMEN:

Georgia Power Compuny hereby submits additional informational comments concerning the status of compliance with the requirements of Item II.B.2 and Item II.K.3.30 of NUREG-0737.

A design review of plant shielding for spaces outside containment which may be used in post-accident coerations has been completed and a

detailed design for implementation of shielding modifications has been developed and is available for review.

These actions complete all actions for Item II.B.2 required to date.

One technical deviation from the criteria of NUREG-0737 was employed in the review and design of clant shielding.

As noted in our letters of January 25, December 15, and December 31, 1980, the source term used in Containment spray, core spray, HPCI liquid, RCIC liquid, and RHR-LPCI systems took credit for dilution of the reactor coolant system mass with the suppression pool mass.

This dilution reflects the expected condition of reactor coolant and liquids recirculated by the above systems.

In a November 19, 1980, letter to the NRC, Georgia Power Company requested that questions regarding the scope and schedule of Item II.K.3.30 of NUREG-0737 be directed to General Electric directly for resolution.

It is now our understanding, based upon discussion with members of the NRC staff, that this request is denied.

We therefore now endorse the letter from R.

H.

Buchholz to D.

G.

Eisenhut describing the scope and schedule of the BWR program to address this item (GE letter MFN-202-80 dated November 18, 1980).

Future NRC correspondence on this item should be directed to Georgia Power Company with copies to the Manager of BWR Systems Licensing of General Electric, Mr.

R.

H.

Buchholz.

Submittals described in Mr. Buchholz's letter of November 18, 1980, will be reviewed and submitted on the Hatch docket tc meet the requirements of this item.

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Georgia Power d Director of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission February 16, 1981 Page Two Should you have questions with regard to these

comments, please contact this office.

Very truly yours, 7Wi. ?s:Le W.

A. Widner WEB /mb Sworn to and subscribed before me this 16th day of February, 1981.

Notary Pubic Georgia. State at urge

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My Commason Eeres Sept. 20,1983 j

Notary Public xc:

M..Manry R.

F. Rogers, III