ML20072J188
| ML20072J188 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 06/24/1983 |
| 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 8306300008 | |
| Download: ML20072J188 (2) | |
Text
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TENNESSEE VALLEY AUTHgJh0 REMON '.I V
CHATTANOOGA. TENNESSEE 374gtrt AP4TA, y EORGl A 400 Chestnut Street Tower II June 24,1963 JUll27 P l l ll BLRD-50-438/81-65 BLRD-50-439/81-63 U.S. Nuclear Regulatory Commission Region II Attn: Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30303 Dea;* Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - TURBINE DRIVEN AUXILIARY FEEDWATER PUMP ROOM TEMPERATURE - BLRD-50-438/81-65, BLRD-50-439/81 FOURTH INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector R. V. Crlenjak on October 6, 1981 in accordance with 10 CFR 50.55(e) as NCR BLN BLP 8124. This was followed by our interim reports dated November 3,1981, April 28, and September 7,1982. Enclosed is our fourth interim report. We expect to submit our next report by April 30, 1984.
If you have any questions concerning this matter, please get in touch with R. H. Shell at FTS 858-2683.
Very truly yours, TENNESSEE VALLEY AUTHORITY L. M. Mills, Ma' nager Nuclear Licensing Enclosure oc: Mr. Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Comission Washington, D.C.
20555 Records Center (Enclosure)
Institute of Nuclear Power Operations 1100 Circle 75 Parkway, Suite 1500 Atlanta, Georgia 30339 O'cOii ^-
8306300000 830624 PDR ADOCK 05000430 iGV gCL S
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I I An Equal Opportunity Employer
- a ENCLOSURE
. f BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 TURBINE DRIVEN AUXILIARY FEEDWATER PUMP ROOM TEMPERATURE NCR BLN BLP 8124 BLRD-50-438/81-65, BLRD-50-439/81-63 10 CPR 50.55(e)
FOURTH REPORT Description of Deficiency Additional piping was routed through the turbine-driven auxiliary feedwater During extended periods'of' operating the pump, the turbirig-pump room.
driven auxiliary feedwater pump room maximum upset temperature of 120 F, as specified in TVA environmental design criteria N4-50-D749, may be exceeded based on the calculated room cooling load.
Interim Progress TVA has issued the electrical design drawings referenced in the third report on this deficiency. In order to implement the required corrective action, TVA issued an invitation to bid for replacement fan motors. The design criteria for this system requires that emergency (do-powered) ventilation fan motors be procured qualified for class 1E service. Due to excessive cost and nonresponsive bids, fans with class 1E do-motors cannot be procured. Design criteria exception No.
EX-N4-VW-D740-1 was submitted and approved on April 29, 1983 (NEB 830427 288), to allow procurement of nonclass 1E qualified emergency (do-powered) fan motors. TVA will provide a final report on this deficiency upon procurement of replacement fan motors.
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TENNESSEE VALLEY AUTHD[MC REGION lI y
CHATTANCOG A. TENNESSEE 374%fR /MTA, b EO RGI A 400 Chestnut Street Tower II'
. dune 24,1903 JUH 27 P l l l l-BLRD-50-438/81-65 BLRD-50-439/81-63 U.S. Nuclear Regulatory Ccimission Region II'
' Attn: Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30303 t
Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - TURBINE DRIVEN AUXILIARY FEEDWATER PUMP ROOM TEMPERATDRE - PLRD-50-438/81-66, BLRD-50-439/81 FOURTH INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector R. V. Crlenjak on October 6, 1981 in accordance with 10 CFR 50.55(e) as NCR BLN BLP 8124. This was followed by our interim reports dated November 3, 1981, April 28, and September 7, 1982. Enclosed is our fourth interim report. W expect to submit our next report by April 30, 1934.
If you have any questions concerning this matter, please get in touch with R. H. Shell at FTS 858-2688.
t i
Very truly yours, TENNESSEE VALLEY AUTHORITY
\\
4 L. M. Mills, nager Nuclear Licensing 4
I Enclosure oc: Mr. Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission i
Washington, D.C.
20555
~ Records Center (Enclosure)
Institute of Nuclear Power Operations 1100 Circle 75 Parkway, Suite 1500 Atlanta, Georgia 30339
^
B306300008 830624
- c0 A
4 DR ADOCK 05 g
/
frnf I I An Equal Opportunity Employer i
d' ENCLOSURE BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 TURBINE DRIVEN AUXILIARY FEEDWATER PUMP ROOM TEMPERATURE NCR BLN BLP 8124 BLRD-50-438/81-65, BLRD-50-439/81-63 10 CFR 50.55(e)
FOUitTH REPORT De scription of Deficiency Additional piping was routed through the turbine-driven auxiliary feedwater During extended periods of' operating the pump, the turbirig-pump room.
driven auxiliary feedwater pump room maximum upset temperature of 120 F, as specified in TVA environmental design criteria N4-50-D749, may be exceeded based on the calculated room cooling load.
Interim Prcgress TVA has issued the electrical design drawings referenced in the third report on this deficiency. In order to implement the required corrective action, TVA issued an invitation to bid for replacement ran motors. The design criteria for this system requires that emergency (do-powered) ventilation fan motors be procured qualified for class 1E service. Due to excessive cost and noncesponsive bids, fans with class 1E do-motors cannot be procured. Design criteria exception No.
EX-N4-VW-D740-1 was submitted and approved on April 29, 1983 (NEB 830427 288), to allow procurement of nonclass 1E qualified emergency (de-powered) fan motors. TVA will provide a final report on this deficiency upon procurement of replacement fan motors.
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