ML17297B819
| ML17297B819 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 11/24/1982 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Novak T Office of Nuclear Reactor Regulation |
| References | |
| RTR-NUREG-0857, RTR-NUREG-857 ANPP-22383-WFQ, NUDOCS 8211300260 | |
| Download: ML17297B819 (4) | |
Text
REGULATORY INFORMATION DISTRIBUTION SYSTEM (BIDS)
ACCESSION NBR:8211300260 DOC,DATE: 82/11/24 NOTAR ED:
NO
'OCKET FACIL:STN~50<<528 Palo Verde Nuclear Station< Unit ii Arizona Publi 05000528 STN 50 529 Palo Verde Nuclear Station~
Uni:t 2~ Arizona Publi 05000529 STN 50"530 'palo Verde Nuclear Station~
Unit 3g Arizona Publi 05000530 AUTH BYNAME AUTHOR AFF lLIATION, VAN BRUNT~E,E, Arizona Public Service Co ~
RECIP ~ NAME RECIPIENT AFFILIATION NOVAKgT ~ HE Assistant Director for Licensing S UBJECT:
Responds to Confirmatory Item 12 of NUREG-0857iSER for facilities verifying that low flow alarms on low power inJection pumps ipowered from emergency power sources.
'ISTRIBUTION CODE:
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TITLE: Licensing Submi t ta1:
PSAR/FSAR Amdts L Related Cor r espondence NOTES:Standardized plant ~
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05000528 05000529 05000530 RECIPIENT ID CODE/NAME NRR/OL/ADL NRR LB3 LA INTERNAL: ELD/HDS3 IE/DEP EPDS 35 NRR/DE/AEAB NRR/DE/EQB 13 NRR/DE/HGEB 30 NRR/DE/MTEB 17 NRR/DE/SAB 24 NRR/DHFS/HFEB40 NRR/DHFS/OLB 34 NRR/DSI/AEB 26 NRR/DSI/CSB 09 NRR/DSI/METB 12 AB 22 G
04 RM/DDAMI/MI8 EXTERNAL: ACRS 41 DMB/DSS (AMDTS)
LPOR 03 NSIC 05 k
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Arizona Public Service Company P.o. BOX 21666
~
PHOENIX. ARIZONA 65036 November 24, 1982 ANPP-22383 - ÃF(</JYM Mr. T. H. Novak Assistant Director for Licensing Division of Licensing Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission lItashington, D. C.
20555
Subject:
Palo Verde Nuclear Generating Station (PVNGS) Units 1, 2 and 3
Docket Nos. STN-50-528/529/530 File:
82-056-026; G.1.01.10
Reference:
NUREG-0857, "Safety Evaluation Report" related to the Operation of Palo Verde Nuclear Generating Station (PVNGS) Units 1, 2 and 3 dated
- November, 1981.
Dear Mr. Novak:
x Section 5.4.3 of the Referenced SER (pg. 5-14,
- 15) discussed the necessity for confirmation that low flow alarms on the LPI pumps are powered from emergency power sources.
The following information responds to the SER concern:
LPSI pump low flow alarms are provided by the Plant Monitoring System (PMS).
The PMS monitors the analog inputs from the flow transmitter and generates an alarm when a programmed setpoint value is reached.
The
-flow transmitters are powered by emergency power.
The PMS is powered by a reliable, but not an emergency power source.
An Uninterruptable Power Supply (UPS) provides power to the PMS from the 125V dc station battery or, optionally, from a 120V ac instrument bus.
The station battery is rated for two hours of fully loaded operation.
The above discussion responds to the request made by confirmatory item No.
12 of the subject SER. If you have any questions concerning this matter, please contact me.
Very truly yours 82i< o S0005
sa,ca+
@gal gDOCW 0 pDR-K E. E. Van Brunt, Jr.
APS Vice President, Nuclear Projects ANPP Project Director EEVBJr/JYM/sp cc:
E; Licitra L, Bernabei P. Hourihan A. C.
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