ML17223A741

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Forwards Application for Amends to Licenses DPR-66 & NPF-73, Adding Requirement That 120-volt Ac Vital Busses Be Energized from Inverters Connected to Associated Dc Busses
ML17223A741
Person / Time
Site: Beaver Valley
Issue date: 02/07/1990
From: Sieber J
DUQUESNE LIGHT CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17223A742 List:
References
NUDOCS 9002150243
Download: ML17223A741 (3)


Text

ACCELERATED DIRIBUTION DEMONST]+TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9002150243 DOC.DATE: 90/02/07 NOTARIZED: YES DOCKET FACIL:50-334 Beaver Valley Power Station, Unit 1, Duquesne Light C 05000334 50-412 Beaver Valley Power Station, Unit 2, Duquesne Light C 05000412 AUTH. NAME AUTHOR AFFILIATION SIEBER,J.D. . Duquesne Light Co.

RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Forwards application for amend to Licenses DPR-66 E NPF-73, consisting of proposed TS,Change Request 178/39.

DISTRIBUTION CODE: A001D COPIES RECEIVED:LTR TITLE: OR Submittal: General Distribution NOTES:LPDR 2cys Transcripts. LPDR 2cys PDR Documents.

P ENCL f SIZE: +

05000412 Application for permit renewal filed.

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD1-4 LA 1 1 PD1-4 PD 1 1 TAM,P 5 5 INTERNAL: ACRS 6 6 NRR/DET/ECMB 9H 1 1 NRR/DOEA/OTSBll 1 1 NRR/DST 8E2 1 1 NRR/DST/SELB 8D 1 1 NRR/DST/SICB 7E 1 1 NRR/DST/SRXB 8E 1 1 NUDOCS-ABSTRACT 1 1 O~C~~ 1 0 OGC/HDS2 1 0

'RES FILE 01 1 1 RES/DSIR/EIB 1 1 EXTERNAL: LPDR 1 1 NRC PDR NSIC 1 1 NOTES 2 2 NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT. 20079) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISIS FOR DOCUMENTS YOU DON'T NEED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 29 ENCL 27

Com~~ Beaver Valley Power Station P.O. Box 4 I

I Shippingport, PA 150774004 JOHN D. BIBBER (412) 393-5255 Vice President - Nuclear Group February 7, 1990 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Reference:

Beaver Valley Power Station, Unit No. 1 and No. 2 BV-1 Docket No. 50-334, License No. DPR-66 BV-2 Docket No. 50-412, License No. NPF-73 Proposed Operating License Change Request No. 178/39 Gentlemen:

Enclosed are:

l. An Application for Amendment to the above operating licenses to revise the A.C. Distribution Operating specification to more closely conform with the wording contained in the Standard Technical Specifications. This proposed change adds the requirement that, the 120 volt A.C. Vital Busses be energized from the inverters connected to their associated D.C. Busses. The present. 8-hour Action Statement for an inoperable Vital Bus would be changed to a 2-hour Action Statement for a de-energized A.C.

Vital Bus and a 24-hour Action Statement for an inoperable inverter. This proposed Amendment is consistent with the final resolution on A.C. Vital Bus operability requirements discussed during a conference call conducted on January 25, 1990 between Duquesne Light Company and the Nuclear Regulatory Commission.

2. Documents designated Attachments A, B and C which set forth the change in the Technical Specifications, the safety analysis and the no significant hazards evaluation.

This proposed change was reviewed by the OSC and ORC and determined to be safe and does not involve an unreviewed safety question.

Very truly yours, D. Sieber Vice President Nuclear Group 9002150243 900207 05000334

.PDR. AGOCK PDC

Beaver Valley Power Station, Unit Nos. 1 & 2 Docket No. 50-334, License No. DPR-66 Docket No. 50-412, License No. NPF-73 Page 2 Attachment CC. Mr. J. Beall, Sr. Resident Inspector Mr. W. T. Russell, NRC Region I Administrator Mr. P. Tam, Sr. Project Manager Mr. T. M. Gerusky, Director BRP/DER Mr. R. Janati, BRP/DER Mr. R. Saunders (VEPCO)