ML20082H356

From kanterella
Jump to navigation Jump to search
Second Interim Deficiency Rept Re Failure to Update Design Criteria for DHR & Core Flooding Sys When Revs Issued by B&W.Initially Reported on 830405.Design Criteria Will Be Reviewed & Revised.Next Rept Expected by 850629
ML20082H356
Person / Time
Site: Bellefonte  Tennessee Valley Authority icon.png
Issue date: 11/22/1983
From: Mills L
TENNESSEE VALLEY AUTHORITY
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
10CFR-050.55E, 10CFR-50.55E, NUDOCS 8312010122
Download: ML20082H356 (2)


Text

TENNESSEE. VALLEY AUTHORITY A7 cH ATT A NOOCA* ' TE NESSEE 37401 400 Chestnut Street Tower II aq nn 25 P 2 : $Qember 22, 1953 i..

BLRD-50-438/83-26 BLRD-50-439/83-23 U.S. Nuclear Regulatory Commission Region II Attn Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

BELLEFONTE NGCLEAR PLANT UNITS 1 AND 2 - BELLEFONTE DESIGN CRITERIA NOT UP-TO-DATE - BLRD-50-438/83-28, BLRD-50-439/83 SECOND INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector Linda Watson on April 5, 1983 in accordance with 10 CFR 50.55(e) as NCR BLN NEB 8301. This was followed by our first interim report dated May 2, 1983 Enclosed is our second interim report. We expect to submit our next report by June 29, 1985.

If you have any questions, please get in touch with R. H. Shell at FTS 858-2688.

Very truly yours, TENNESSEE VALLEY AUTHORITY

~

M L. M. Mills, nager Nuclear Licensing Enclosure cc:

Mr. Richard C. DeYoung, Director (Enclosure)

Office of Inspection t,.nd Enforcement U.S. Nuclear Regulatery Commission Washington, D.C.

205.5 Records Center (Enclosure)

Institute of Nuclear Power Operations 1100 Circle 75 Parkway, Suite 1500 Atlanta, Georgia 30339 8312010122 831122 PDR ADOCK 05000438 S

PDR gpL C F 47 1983-TVA 5OTH ANNIVERSARY Il f

An Equal Opportunity Employer j

l

1 ENL 0SURE BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 BELLEFONTE DESIGN CRITERIA NOT UP-TO-DATE BLRD-50-438/83-28, BLRD-50-439/83-23 10 CFR 50.55(e)

NCR BLN NEB 8301 SECOND INTERIM REPORT 4

Description of Deficiency Bellefonte design criteria have not besa kept up-to-date per the require-ments of TVA's Division of Engineering Design's (EN DES) engineering procedure (EP) 3.01, " Design Criteria Documents - Preparation, Review, and Approval." The design criteria for the decay heat removal (DHR) and core flooding (CF) systems were not revised when system descriptions for those systems were revised by Babcock and Wilcox (B&W) and then received and approved by TVA. B&W system descriptions are used as design input by TVA.

This deficiency was discovered during the INP0/TVA self-initiated evaluation and may also be applicable to other Bellefonte design criteria.

Interim Progress TVA will review the latest approved B&W system descriptions for the DHR and CF systems to determine whether or not all requirements are contained, either explicitly or by reference, in the latest TVA design criteria for these systems. TVA will also review all other safety-related TVA design critoria documents to determine whether or not they are up-to-date, and these will be revised, if necessary. Additionally, all nonsafety-related TVA design criteria documents will be reviewed and updated if necessary. We expect to provide the NRC with a final report upon completion of this work.

i l

l e

l l

l l

I i