ML20127A063
| ML20127A063 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 07/31/1985 |
| From: | Joiner J GEORGIA POWER CO., TROUTMANSANDERS (FORMERLY TROUTMAN, SANDERS, LOCKERMA |
| To: | Atomic Safety and Licensing Board Panel |
| Shared Package | |
| ML20127A014 | List: |
| References | |
| NUDOCS 8508050387 | |
| Download: ML20127A063 (10) | |
Text
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.4 July 31, 1985 DOCKETED UNITED STATES OF AMERICA USN3C NUCLEAR REGULATORY COMMISSION 15 AW -2 N1 :09 BEFORE THE ATOMIC SAFETY AND LICENSING BOARD 0FFICE OF SECRETAh '
In the Matter of
)
00CKETmG A SEPN l
)
BRANCH GEORGIA POWER COMPANY, et al.)
Docket Nos. 50-424 j
)
50-425 (Vogtle Electric Generating
)
Plant, Units 1 and 2)
)
APPLICANTS' STATEMENT OF MATERIAL FACTS AS TO WHICH NO GENUINE ISSUE EXISTS TO BE HEARD REGARDING CONTENTION 10.5 (ASCO SOLENOID VALVES) l l
Pursuant to 10 C.F.R.
S 2.749(a), Applicants submit in I
support of Applicants' Motion for Summary Disposition of Joint Intervenors' Contention 10.5 that no genuine issue exists to be heard with respect to the following material facts:
1 1.
Joint Intervenors' Contention 10.7 questions the environmental qualification of solenoid valves utilized in safety-related functions at the Vogtle Electric Generating Plant ("VEGP") that were manufactured by the Automatic Switch'Co. ("ASCO").
I -
2.
Four models of ASCO solenoid valves, model numbers t
NP8316, NP8320, NP8321, and 206-381-6F, are used in safety-related applications at VEGP.
Affidavit of Richard B. Miller dated July 26, 1985
(" Miller Affidavit")
at 13; Affidavit of Victor L.
Gonzales dated July 29, 1985
("Gonzales Affidavit") at T3.
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. '4 3.
Valves representative of those four models of ASCO solenoid valves were tested as part of an environ-mental qualification testing program jointly conducted by ASCO and Westinghouse in 1980 and 1981.
That testing pro-gram consisted of performance tests; thermal, mechanical, and pressure aging; normal environment radiation testing; vibration aging, operating basis earthquake simulation, and resonance testing; safe shutdown earthquake simula-tion; design basis event environmental radiation testing; and high energy line break ("HELB") environmental testing (composite of the loss-of-coolant accident ("LOCA") and main stream line break ("MSLB") environmental condi-tions).
Gonzales Affidavit at 117,9; Miller Affidavit at 1'T8,10.
4.
The joint Westinghouse /ASCO testing program was conducted pursuant to the standards set by IEEE Standard 323-1974, IEEE Standard 344-1975, and IEEE Standsrd 382-1974.
That testing program qualified the ASCO model NP8316, NP8320, and 206-381-6F solenoid valves to the fol-lowing environmental extremes:
(a) a peak temperature of 420*F, (b) pressure of 57 psig, and (c) a chemical spray of 2500 ppm boron buffered with sodium hydroxide to a pH of 10.5.
Gonzales at 118-9; Miller Affidavit at 119,17.
5.
The test valve representative of the model NP8321 valve failed to function properly on the twelfth day of '
.4 the HELB environmental testing.
As a result of that fail-ure, ASCO does not consider that model valve to be quali-fled for use under the extreme conditions utilized in the joint ASCO/ Westinghouse test program.
Instead, it bases the environmental qualification of that model valve upon a testing program conducted earlier by Isomedix, Inc. on behalf of ASCO.
Gonzales Affidavit at T10-ll.
In that qualification program the model NP8321 valves were quali-fied to the following environmental extremes:
(a) a peak temperature of 346*F, to which the test valves were expos-ed for three hours; (b) a peak pressure of 110 psig; and (c) a chemical spray of 3000 ppm boron buffered with sodi-um hydroxide to a pH valve of 10.
Id. at 113.
6.
In 1983, the Franklin Research Center released the results of tests that it had performed on various ASCO solenoid valves pursuant to a contract with the Nuclear
~
Regulatory Commission ("NRC") staff.
Included among the valves that Franklin Research Center tested were two model NP8316 valves, a model NP8320 valve, a model NP8321 valve, and a model 206-381-6F valve.
Gonzales Affidavit at TT14,20; Miller Affidavit at TT19,23.
7.
With the exception of one of the NP8316 valves, all the valves tested by Franklin Research that were representative of valves used at VEGP were artificially aged to simulate a four year life at 140*F.
After being irradiated to a total integrated dose of 50 megarads,
-3_
. 'd those valves were exposed to 268*F for fifteen days.
The valves were cycled 2000 times while at that temperature.
Gonzales Affidavit at T14; Miller Affidavit at T19.
8.
The artificial aging process utilized by Franklin Research Center was more severe than that used in the joint Westinghouse /ASCO qualification program, in which the valves were cycled 200 times at elevated temperatures and 1800 times at room temperature.
Gonzales Affidavit at T14; Miller Affidavit at T19.
9.
Following the artificial aging, the model NP8321 valve was removed from the test program because of what Franklin Research Center characterized as " excessive" seat leakage.
The leakage rate reported by Franklin Research Center for that valve, however, was significantly below any leakage rate that might affect the ability of that model valve to function adequately.
Gonzales Affidavit at 115,29.
10.
One of the model NP8316 valves tested by Franklin Research Center was naturally aged by exposure to 140*F for three years.
That valve was not irradiated in the aging process but was cycled 2000 times at room tempera-ture.
Gonzales Affidavit at 16; Miller Affidavit at T19.
11.
One of the tests performed on the valves by Franklin Research Center was a simulated composite LOCA and MSLB.
In that composite LOCA/MSLB simulation, the L.
. 4:
valves were exposed to two temperature and pressure tran-sients.
While the targeted peak temperature in the test was 420*F, thermocouple data from the test chamber indi-cated that certain areas in the chamber experienced higher temperatures than the intended test conditions.
The tem-perature of the naturally aged model NP8316 valve (which lags behind the temperature in the test chamber) increased to 410*F, which was significantly above the 350*F to 360 F temperatures reached by the other valves in the test cham-ber.
Miller Affidavit at T20.
12.
The ASCO model NP8320 and 206-381-6F valves per-formed satisfactorily through all of the tests.
Gonzales Affidavit at 119; Miller Affidavit at T21.
Although the model NP8320 experienced what Franklin Research Center described as " severe" seat leakage following the LOCA/MSLB simulation, that seat leakage did not prevent the valve from being operated to perform its intended safety func-tion.
Gonzales Affidavit-at T19.
The rate of seat leak-age encountered by Franklin Research Center with the model NP8320 valve was well below any leakage rate that might
-affect the ability of the valve to perform its safety function.
Id. at 1125-26.
13.
Neither of the model NP8316 valves tested by Franklin Research Center could be cycled properly'during the composite LOCA/MSLB test.
Miller Affidavit at T21. >
i 1
14.
In IE Information Notice No. 84023, the NRC staff assessed the results of the testing performed by the Franklin Research Center.
Because of the severity of the aging process adopted by Franklin Research Center, the NRC
- staff discounted the failure of the artificially aged valves, deciding that those test results were inclusive.
Addressing the' failure of the naturally aged model NP8316 valve, the NRC staff. concluded that that model valve might not be suitable for use in the environmental conditions to which it was tested in'the joint Westinghouse /ASCO quali-fication program and should be used only in applications where it would not be exposed to adverse conditions more severe than the conditions to which that model valve had been' tested in earlier qualification testing conducted by Isomedix, Inc. on behalf'of ASCO.
As part of that test-ing, the model NP8316 valve was exposed to a temperature of 346*F for t'hree hours Miller Affidavit at T24; C
Gonzales Affidavit at T21.
15.
In January 1985, the NRC staff. reiterated those conclusions concerning the Franklin Research Center test results in IE Information Notice 85-08.
Miller Affidavit
. at 125; Gonzales Affidavit-at T21.
16.
The joint Westinghouse /ASCO testing program established the environmental qualification of the ASCO model NP8320 and 206-381-6F solenoid valves for use at VEGP.
As described above, the adverse conditions to which -T v
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44 these valves were exposed in the joint Westinghouse /ASCO program envelope the most extreme conditions to which those model valves might be exposed at VEGp.
Gonzales Affidavit at 147-9,33; Miller Affidavit at 4H17,38.
17.
The joint Westinghouse /ASCO qualification pro-gram, as supplemented by a thermal lag analysis performed by Westinghouse, has also demonstrated the environmental qualification of the model NP8316 solenoid valve for use at VEGP.
That analysis determined'the temperature that the model Np8316 valve would itself reach upon exposure to the composite LOCA/MSLB condit' ions.
The thermal lag anal-ysis showed that when exposed to environmental extremes as adverse as those reflected in the composite LOCA and MSLB profile for VEGP, which profile has a temperature peak of 400*F lasting for approximately three minutes, the temperature of the model NP8316 solenoid valve would not exceed the temperature of 346*F reached by the valves in the Isomedix test program, because of the short duration of that peak temperature.
Miller Affidavit at HT26-34; Gonzales Affidavit at 1122-23.
As the NRC staff concluded in IE Information Notice Nos. 84-23 and 85-08, the results of that testing program by Isomedix have not been called into question by the valve failures experienced in the Franklin Research Center qualification testing under i
significantly more severe environmental conditions.
Miller Affidavit at 1424-26.
l
~
.e
. ~4 Therefore, the model NP8316 solenoid valve is environmen-tally qualified for use at VEGP.
18.
The model NP8321 valves used at VEGP have been shown to be environmentally qualified by the testing pro-gram conducted by Isomedix, Inc.
The conditions to which that valve was exposed'in the testing performed by Isomedix envelope the most adverse conditions to which that valve might be subjected at VEGP.
Gonzales Affidavit at 1127-29,35.
Respectfully submitted,
- b. W
- M Ja%es E.
Joiner," P.C.
Charles W. Whitney Kevin C. Greene Hugh M. Davenport TROUTMAN, SANDERS, LOCKERMAN
& ASHMORE George F. Trowbridge, P.C.
Bruce W.
Churchill, P.C.
David R. Lewis SHAW, PITTMAN, POTTS
& TROWBRIDGE Counsel for Applicants Dated:
July 31, 1985 00CMETED USMC UNITED STATES OF AMERICA y$ gg3_2 g{ fg NUCLEAR REGULATORY COMMISSION GFFfGr F SEC::EI.v BEFORE THE ATOMIC SAFETY AND LICENSING $[,,Rd h Y
- In the Matter of
)
)
GEORGIA POWER COMPANY, et al.)
Docket clos. 50-424
)
50-425 (Vogtle Electric Generating
)
Plant, Units 1 and 2)
)
CERTIFICATE OF SERVICE I hereby certify that copies of Applicants' Statement of Material Facts as to Which No Genuine Issue Exists to Be Hea'rd Regarding Contention 10.5 (ASCO Solenoid Valves),
dated July 31, 1985, were served upon those persons on the attached Servi-ce List by deposit in the United States mail, postage-prepaid, or where indicated by an asterisk
(*) by hand delivery, this 31st day of July, 1985.
ba E. h JFmes E. Joinef Attorney for Applicants Dated:
July 31, 1985
UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION Before the Atomic Safety and Licensing Board In the Matter of
)
)
GEORGIA POWER COMPANY, et al.
)
Docket Nos. 50-424
)
50-425 (Vogtle Electric Generating Plant, )
Units 1 and 2)
)
SERVICE LIST Morton B. Margulies, Chairman
- Douglas C. Teper Atomic Safety and Licensing Board 1253 Lenox Circle U. S. Nuclear Regulatory Commission Atlanta, Georgia 30306 Washington, D. C. 20555
- Laurie Fowler Mr. Gustave A. Linenberger Legal Environmental Assistance Atomic Safety and Licensing Board Foundation U. S. Nuclear Regulatory Commission 218 Flora Avenue, N. E.
Washington, D. C. 20555 Atlanta, Georgia 30307 Dr. Oscar H. Paris
- Tim Johnson Atomic Safety and Licensing Board Campaign for a Prosperous Georgia U. S. Nuclear Regulatory Commission 175 Trinity Avenue, S. W.
Washington, D. C. 20555 Atlanta, Georgia 30303 Bernard M. Bordenick, Esquire Docketing and Service Section Office of Executive Legal Director Office of,the Secretary U. S. Nuclear Regulatory Commission U. S. Nuclear Regulatory Washington, D.
C.
20555 Commission Washington, D. C.
20555 Atomic Safety and Licensing Board Panel Bradley Jones, Esquire U. S. Nuclear Regulatory Commission Regional Counsel Washington, D. C. 20555 U. S. Nuclear Regulatory Commission Atomic Safety and Licensing Suite 3100 Appeal Board Panel 101 Marietta Street U. S. Nuclear Regulatory Commission Atlanta, Georgia 30303 Washington, D. C. 20555