ML20198Q215

Provides 30-day Response to GL 97-04, Assurance of Sufficient Net Positive Suction Head for ECC & Containment Heat Removal Pumps

ML20198Q215
Person / Time
Site:	Peach Bottom, Limerick
Issue date:	11/04/1997
From:	Hunger G PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GL-97-04, GL-97-4, NUDOCS 9711120145
Download: ML20198Q215 (3)

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Statlan Support Department GL 97-04  :

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PLCO NUCLEAR n w ne c-A Unit of PECO Energy a SN)$tI9 ,

November 4,1997 Docket Nos. 50-277 50 278 50-352 50-353 License Nos. DPR-44  :

DPR 56 l NPF-39 NPF-85 U. S. Nuclear Regulatory Commission Attn: Document Control Deck Washington, DC 20555

SUBJECT:

Peach Bottom Atomic Power Station, Units 2 and 3 Limerick Generating Station, Units 1 and 2 30 Day Response to Generic Letter 97-04

REFERENCE:

1) Generic Letter 97-04, " Assurance of Sufficient Net Positive Suction Head for Emergency Core Cooling and Containment Heat Removal Pumps", dated October 7,1997 >

Dear NRC Officials:

On October 7,1997, 'he U. S. Nuclear Regulatory Commission issued the referenced generic letter regarding a safety-significar:t issue which may have generic implications for degrading performance of the Emergency Core Cooling System pumps. The generic letter required within 30 days, a written response indicating (a) whether or not the requested information will be submitted, and (b) whether or not the requested information will be submitted within the requested i time period. By this letter, PECO Energy Company (PECO Energy) is providing g the required 30-day response.

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November 4,1997 GL 97-04 Docket Nos. 50-277,50 278 50 352, 50-353 PECO Energy is participating in a newly-established BWR Owners' Group  !

(BWROG) effort which has the objective of reviewing current BWR industry '

NPSH calculational methodology which will resuh in recommending a consistent approach for utility 90-day responses to the generic letter. The information to be  !

contained in the 90-day response will provide assurance to the Staff that the i NPSH issues are being adequately addressed. The .BWROG had already  ;

established dialog with the Staff prior to the issuance of the generic letter and t p!ans to continue that interaction so that NPSH issues are properly addressed.  :

PECO Energy intends to provide the requested information in a 90-day response to the generic letter based on the recommendations resulting from the BWROG NPSH Committee.

t Very truly yours, ,

b.d.hpu$ . .

G. A Hunger, Jr.,

Director-Licensing  ;

cc: H. J. Miller, Administrator, Region I, USNRC R. S. Barkley, USNRC Senior Resident inspector, PBAPS A. L. Burritt, USNRC Senior Resident inspector, LGS t

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COMMONWEALTH OF PENNSYLVANIA:

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COUNTY OF CHESTER  :

J. B. Cotton, being first duly sworn, deposes and says:

That he is Vice President of PECO Energy Company; that he has read the enclosed 30 day response to Generic Letter 97-04 for Peach Bottom Atomic Power Station Ope ating Licenses DPR-44 and DPR-56 and Limerick Generating Station Operating Licenses NPF-39 and NPF-85, and knows the contents thereof; and that the statements and r?atters set forth therein are true and correct to the best of his knowledge, information and belief.

An-kb M't- -

Vice President Subscribed and sworn to before me this fNday ofAm din 1997, bAL(.IthliUN Notary Public woTAsiAt SEAL CAROL A.WALTON.f40tary Put45 ie s'y u up -

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