ML17297B501
| ML17297B501 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 05/06/1982 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Tedesco R Office of Nuclear Reactor Regulation |
| References | |
| ANPP-20891-WFQ, NUDOCS 8205120089 | |
| Download: ML17297B501 (10) | |
Text
V4 44 NOTES:Standardized plant ~
Standardized plant.
REGULAT INFORMATION DISTRIBUTION STEM (RIDS)
ACCESSION NBR:8205120089, DOC ~ DATE: 82/0$ /06 NOTARIZED'ES FACIL;STN 50 528 Palo Verde Nuclear Stations Uni,t ii Arizona Publi
. STN-50-530 Pal o Ver de Nucl ear Stations Uni t 3P Ar izona Publ i AUTH BYNAME AUTHOR AFFILIATION VAN BRUNTPE.E ~
Arizona Public Service Co ~
RECIP ~ NAME RECIPIENT AFFILIATION, TEDESCOgR ~ LE Assistant Director for Licensing E
SUBJECT:
Responds to NRC 810617 request for addi info re maint R,
testing to, be performed on breakers associated w/525 V.
seitchyard.Outline of anticipated maint L testing encl'ISTRIBUTION CODE:
BOO IS COPIES RECEIVED:LTR J ENCL /'IZE:
TITLE: PSAR/FSAR AMDTS and Related Correspondence DOCKET 05000528 05000530 05000528 05000530 RECIPIENT IO CODE/NAME A/O LICENSNG LIC BR 43 LA INTERNALS FLO IE/OEP EPOS 35 MPA NRR/DE/EQB 13 NRR/OE/HGEB 30 NRR/DE/MITEB 17 NRR/DE/SAB 2Q NRR/OHFS/HFEBRO NRR/DHFS/OLB 3Q NRR/OS I/AEB 26 NRR/DSI/CPB 10 NRR/DSI/ETSB 12 NRR/OS I/PSB 19 Nfl 23 LE 04 EXTERNAl; ACRS FEMA-REP OIV 39 NRC POR 02 NTIS COPIES LTTR ENCL 1
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fF!la!IIIIXI IZIRIPZPIlt5tla QXSHIPIKBW P.O. BOX 21666 PHOENIX, ARIZONA65036 May 6, 1982 ANPP-20891
=- WFQ/KWG Mr. R. L. Tedesco Assistant Director for Licensing Division of Licensing Office of Nuclear Reactor U.S. Nuclear Regulatory Commission Washington, D. C.
20555
Subject:
Palo Verde Nuclear Generating Station (PVNGS) Units 1, 2 and 3
Docket Nos. 50-,528/529/530, File:
82-"056-026'.1.10 Q7 5
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Reference:
Letter from R. L. Tedesco to E.
E. Van Brunt, Jr. dated June 17, 1981, subject; Request for additional informa-tion regarding Electrical Power Systems
Dear Mr. Tedesco:
In an April 14th telecon with a representative of your Power Systems branch, your staff requested information regarding the maintenance and testing to be performed on the breakers associated with the 525 KV switchyard at Palo Verde.
The ski'tchyardwill be maintained by the Salt River Project, one of the parti-cipants in PVNGS.
Attached is an outline of the anticipated maintenance and testing to be performed on the breakers.
This program is subject to modifica-tion depending on revised or unique manufacturers guidance and/or results of the maintenance program indicating areas of concern to be monitored.
This information will be"included in a future FSAR amendment as a clarifica-tion of our response to Question 8A.5 in the PVNGS FSAR.
If you have any questions regarding these matters, please contact me.
EEVBJr/KWG/sp Attachment cc:
P,. L. Hourihan E. Licitra 8205120089 820506
PDR,. ADOCK 05000528 i,'"', ~'",'.,)
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. '"PDR A. C. Gehr
- 0. Chopra Very truly your cd E. E. Van Brunt, Jr.
APS Vice President, Nuclear Projects ANPP Projec t Direc tor gnu(
R. L. Greenfield R. Gonzales NRC
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STATE OF ARIZONA
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COUNTY OF MARICOPA)
I, Edwin E. Van Brunt, Jr., represent that I am Vice President Nuclear Projects of Arizona Public Service Company, that the foregoing document has been signed by me on behalf of Arizona Public Service Company with full authority so to do, that I have read such document and know its contents, and that to the best of my knowledge and belief, the statements made therein are true.
I F.
Edwin E. Van Brunt, Jr.
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SwoxL':0,o before me this 4'day of 1982
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Page 1
Attachment to ANPP-WFQ/KVG The following tests are performed as a normal installation procedure for the PVNGS Switchyard breakers:
1.
Power Factor Doble test on live part insulation, capacitors and Current Transformers.
2.
Micro ohm contacts.
3.
Moisture test of gas or air 4
~
Timing verification of the'reakei'or:
a.
Simultaneous making and breaking of'the'.contacts between the three poles.
b.
Correct contact parting time c.
Correct contact movement distance 5.
Verify capacitance:value on voltage grading capacitors.
6.
Calibrate and set any adjustable devices such as pressure
- switches, timers, thermostats, etc.
as required by the particular type and manufacture of breaker.
7.
Perform any, additional tests that axe unique to a type of breaker identified in the manufacturers'nstruction book.
The following maintenance will be performed as normal procedure for the PVNGS Switchyaxd breakers:
1.
Monthly Check Read and record high and low SF gas pressure and air pressure.
Read and record compressor hour meters.
Drain condensate from air tank.
Any abnormalities identified during the monthly check or any alarms received for a breaker will result in a maintenance cxew"being dis-patched to the site to correct the specific problem.
I
Page 2
Attachment to ANPP-WFQ/IQ<G 2.
Yearly Minor Maintance (closed",head)
Check high and low gas system for leaks.
Check for proper gas pressure in the high and low pressure systems and proper volume of gas contained in the breaker.
Change oil in the gas and air compressors.
Check and calibrate pressure
- switches, gauges and.compressor governors.
Check compressor belt tension and alignment.
Check high pressure gas dryer and low pressure gas filter.
Replace air compressor intake filter.
Repack suction valves and unloader.
Test gas for moisture content'.
Check heaters and heater thermostats.-
Inspect shock absorbers for leaks.
Doble breaker live parts and micro ohm breaker contacts.
The above represents a list of routine maintance items.
In addition, any checks recommended by the'anufacturer'hat are unique to the'ype of breaker being maintained will be performed per the breaker instruction book.
Any worn or defective part identified during the maintance willbe'epaired'r replaced.
The breaker will be brought up to factory performance specifications before 'being returned 'to service.
3.
Five Year Major Maintance (open head)
In addition to the one year maintance described
- above, the following will be done:
Change "0" 'ring pressure, seals.
Visual inspection of, the main contacts.
Check contact wear and alignment.
Check head resistors and capacitors.
The above represents Salt River Project's plan for breaker maintance at Palo Verde.'he number of breaker operations, operating experience and different'ypes and brands of breakers that might be installed in the future could re-sult in changes in maintenance"requirements.
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