ML18018B875

Requests Meeting to Discuss Need for Early NRC Approval of Exemption Request to Allow Removal of Primary Loop Whip Restraints.Documentation & Requested Exemption Provided in 841130 & s,Per Generic Ltr 84-04

ML18018B875
Person / Time
Site:	Harris
Issue date:	02/01/1985
From:	Zimmerman S CAROLINA POWER & LIGHT CO.
To:	Knighton G Office of Nuclear Reactor Regulation
References
GL-84-04, GL-84-4, NLS-85-042, NLS-85-42, NUDOCS 8502050468
Download: ML18018B875 (6)

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INFORMATION DISTRIBUT 0N SYSTEM

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ACCESSION NBR: 8502050468;.

OOC ~ DATE! 85/02/01 NOTARIZED s NQ, FACIL 50~400 Shearon. HarrisNuclear Power Planti Unit 1, Carolina.

AUTH+NAME,,

AUTHOR AFFILIATION ZIMMERMANiS~ R ~

"Car ol isa Power..8.Light Ca.

RECIE' NAME 'ECIPIENT, AFF ILIATIQN KNIGHTONiG ~

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SUBJECT Requests" meeting.ta discuss, need far eqrlyNRC.apProval of exemption peauest"toallow removalof, primary toap,wh'ip restraints;Substantiating

-documeotation L request:ed exemption"provided in 841130 8

850114 ltrsiper Generic Ltr DI'STR/BUTION 'CODE:

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P'r Carolina Power 5 Light Company FEB 04 1985 SERIAL:

NLS-85-042 Mr. George Knighton, Chief Licensing Branch 83 Division of Licensing United States Nuclear Regulatory Commission Washington, DC 20555 SHEARON HARRIS NUCLEAR POWER PLANT UNIT NO., 1.

DOCKET NO. 50-400 ELIMINATIONOF POSTULATED PIPE BREAKS IN THE REACTOR COOLANT SYSTEM PRIMARY LOOP EXEMPTION REQUEST

REFERENCES:

(1)

Letter, A. B. Cutter to H.

R. Denton dated January 14, 1985,

Subject:

"Elimination of Postulated Pipe Breaks in the Reactor Coolant System Primary Loop Exemption" Request."

(2)

Letter, S.

R.

Zimmerman to H. R. Denton dated November 30, 1984,

Subject:

"Elimination of Postulated Pipe Breaks in Primary Main Loop and Arbitrary Intermediate Pipe Breaks in Class 1,

2; and 3 Pipes."

(3)

Letter, D.

G. Eisenhut to PWR Licensees dated February 1,

1984,

Subject:

"Safety Evaluation of Westinghouse Topical Reports Dealing with Elimination of Postulated Pipe Breaks in PWR Primary Main Loop (Generic Letter 84-04)."

SUMMARY

I Per our conversation, CP&L requests a meeting as soon as possible with NRC management to discuss our need for early NRC approval of our exemption request (per Reference

1) which will allow removal of primary loop whip restraints.

.BACKGROUND CPSL provided in References 1 and 2 substantiating documentation and requested an exemption to

10CFR50, Appendix A, criterion 4, with respect to asymmetric blowdown loads resulting from discrete breaks in the RCS primary loop.

This documentation was prepared using the guidance of GenericLetter 84-04 (Reference 3).

Based upon the technical confidence and industry justification for this exemption request and the long-term man-rem savings due to increased

access, CPGL is in the process of simplifying the inefficient design and cumbersome construction imposed by the loop whip restraints.

The simplified design concept starts with removal of the whip restraints located in the primary shield wall.

S502050468 85020l PDR ADOCK 05'000400 A

PDR-4>t s'ajjenewtfe Street

< P. 0. Box 1551 o Raleigh. N. C. 27602

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The Company's design/construction schedule requires that our exemption request be processed as quickly as possible.

To help in this regard, CP&L proposes a

CP&L/NRC management meeting as soon as possible.

Please contact me as soon as such a meeting can be scheduled.

Thank you for your cooperation.

Yours very truly, pz S.

R.

erman, Manager Nuclear Licensing Section SRZ:DCM:wc (1110SRZ)

CC:

Mr. B. C. Buckley (NRC)

Mr. G. F. Maxwell (NRC-SHNPP)

Mr. J.

P. O'Reilly (NRC-RII)

Mr. Travis Payne (KUDZU)

Mr. Daniel F.

Read (CHANGE/ELP)

Chapel Hill Public Library Wake County Public Library Mr. Wells Eddleman Mr. John D. Runkle Dr. Richard D. Wilson Mr. G. 0. Bright (ASLB)

Dr. J.

H. Carpenter (ASLB)

Mr. J. L. Kelley (ASLB)

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