ML20133B407
| ML20133B407 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 09/19/1985 |
| From: | Hufham J TENNESSEE VALLEY AUTHORITY |
| To: | Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8510030275 | |
| Download: ML20133B407 (2) | |
Text
hI TENNESSEE VALLEY AUTHORITY CH ATTANOOGA. TENNESSEE 37401 400 Chestnut Street TowerTI'I.-
"l ? ?,
4//,3 September 19, 1985 0
BLRD-50-438/85-14 BLRD-50-439/85-14 U.S. Nuclear Regulatory Commission Region II Attn:
Dr. J. Nelson Crace, Regional Administrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgli 30323
Dear Dr. Grace:
BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - CONTAINMENT ISOLATION BARRIER DEFICIENCY - BLRD-50-438/85-14, BLRD-50-439/85 SECOND INTERIM REPORT The subject deficiency was initially reported to NRC-OIE Inspector Al Ignatonis on April 22, 1985 in accordance with 10 CFR 50.55(e) as NCR BLN NEB 8503. This was followed by our first interim report submitted on May 20, 1985.
Enclosed is our second interim report. We expect to submit our next report on or about March 30, 1986.
If you have any questions, please get in touch with R. H. Shell at FTS 858-2688.
Very truly yours, TENNESSEE VALLEY AUTHORITY en1LA
,4. W. Itufham, Manager Licensing and Risk Protection Enclosure cc:
Mr. James Taylor, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commisalon Washington, D.C.
20555 Records Center (Enclosure)
Institute of Nuclear Power Operations 1100 circle 75 Parkway, Suite 1500 Atlanta, Georgia 30339 0510030275 % 919 oo430 PDR ADOCK PDR s
An Equal Opportunity Employer 16 e
4 ENaOSURE BELLEFWTE NUCLEAR PLANT INITS 1 AND 2 CONTAINtENT IS1ATIm B ARRIER IEFICIENCY
.BLRD-50 43 845 -14 AND B LRD-50 -4 3 945-14 l
NG BLN ?EB 8503 4
10 TR 50. 55(e )
SECOND INTERIM IEPORT l
l Dese rip tion of Defic iemy T he Ib11ercnt e Nuc1 ear P lant (BLN) desim criteria for the cnntairment i
is ol ati on and l ea k t esti ng s yst en, IN -NI-IT/40, re g2i res at l east tuo contairment isolation tarriers with the following minimun reg 2irements:
contairment isolation valves, piping between thes e valws, and clmed syat ems
. used as isolation barriers shall be, as a minimtm, A!E Safety Class 2.
}
The drain line and the compressed air line attached to the fm1 trarnf er tube j
(penetrations X-37 and X-78) each have only one mantal isolation valve within the seismic catespry I, saf ety class 2 bomdaries.
i The catne of this deficLency was that the code tomdarim were stown inmerectly on the design criteria diagram which resultei in one valve
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pro vidi ng cont airment is01ati en.
i j
Interim P reg ress l
W A desim documents have been reviewed and revised to comp 1'y wif h the cnde i
and saf et y re g2i rements. Seismic analysis to reg 2alify the'mm;ressed air l
line and drain line to categ ry I mq11renents will be mmplete by De mber 26, 1985.
Recpalifimtien of the comgressed air line and drain 1ine is reg 21 red becaine the piplng areanement was chaned to comp 1y with AN3 Saf et y Class 2 re g21 rements. Ccmpleticn of the seismic analysis will complete design sco pe 'or work on this deficiency.
The achedule for comp 1etion of construction activitie wil1 be determined af ter completion of the seismic analysis.
i The remnt isstanm to and training in OEP-10, "R eview," of all 0 frim of Engtneering (OE) persennel greeltries the need for action reglimd to trevent recurrenm on this deficiency.
W A will grovide the NRC with the next regnrt on thLs deficlency on or atnut March 3), 1986.
8 i
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